Linux_SDK_V1.3.3

Signed-off-by: thead_admin <occ_thead@service.alibaba.com>

Documentation/devicetree/bindings/arm/msm/qcom,idle-state.txt

@@ -81,4 +81,4 @@ Example:
 		};
 	};
 
-[1]. Documentation/devicetree/bindings/arm/idle-states.yaml
+[1]. Documentation/devicetree/bindings/cpu/idle-states.yaml

Documentation/devicetree/bindings/arm/psci.yaml

@@ -101,7 +101,7 @@ properties:
       bindings in [1]) must specify this property.
 
       [1] Kernel documentation - ARM idle states bindings
-        Documentation/devicetree/bindings/arm/idle-states.yaml
+        Documentation/devicetree/bindings/cpu/idle-states.yaml
 
 patternProperties:
   "^power-domain-":

Documentation/devicetree/bindings/cpu/idle-states.yaml

@@ -1,25 +1,30 @@
 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/arm/idle-states.yaml#
+$id: http://devicetree.org/schemas/cpu/idle-states.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: ARM idle states binding description
+title: Idle states binding description
 
 maintainers:
   - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
+  - Anup Patel <anup@brainfault.org>
 
 description: |+
   ==========================================
   1 - Introduction
   ==========================================
 
-  ARM systems contain HW capable of managing power consumption dynamically,
+  ARM and RISC-V systems contain HW capable of managing power consumption
-  where cores can be put in different low-power states (ranging from simple wfi
+  dynamically, where cores can be put in different low-power states (ranging
-  to power gating) according to OS PM policies. The CPU states representing the
+  from simple wfi to power gating) according to OS PM policies. The CPU states
-  range of dynamic idle states that a processor can enter at run-time, can be
+  representing the range of dynamic idle states that a processor can enter at
-  specified through device tree bindings representing the parameters required to
+  run-time, can be specified through device tree bindings representing the
-  enter/exit specific idle states on a given processor.
+  parameters required to enter/exit specific idle states on a given processor.
+
+  ==========================================
+  2 - ARM idle states
+  ==========================================
 
   According to the Server Base System Architecture document (SBSA, [3]), the
   power states an ARM CPU can be put into are identified by the following list:
@@ -43,8 +48,23 @@ description: |+
   The device tree binding definition for ARM idle states is the subject of this
   document.
 
+  ==========================================
+  3 - RISC-V idle states
+  ==========================================
+
+  On RISC-V systems, the HARTs (or CPUs) [6] can be put in platform specific
+  suspend (or idle) states (ranging from simple WFI, power gating, etc). The
+  RISC-V SBI v0.3 (or higher) [7] hart state management extension provides a
+  standard mechanism for OS to request HART state transitions.
+
+  The platform specific suspend (or idle) states of a hart can be either
+  retentive or non-rententive in nature. A retentive suspend state will
+  preserve HART registers and CSR values for all privilege modes whereas
+  a non-retentive suspend state will not preserve HART registers and CSR
+  values.
+
   ===========================================
-  2 - idle-states definitions
+  4 - idle-states definitions
   ===========================================
 
   Idle states are characterized for a specific system through a set of
@@ -211,10 +231,10 @@ description: |+
   properties specification that is the subject of the following sections.
 
   ===========================================
-  3 - idle-states node
+  5 - idle-states node
   ===========================================
 
-  ARM processor idle states are defined within the idle-states node, which is
+  The processor idle states are defined within the idle-states node, which is
   a direct child of the cpus node [1] and provides a container where the
   processor idle states, defined as device tree nodes, are listed.
 
@@ -223,7 +243,7 @@ description: |+
   just supports idle_standby, an idle-states node is not required.
 
   ===========================================
-  4 - References
+  6 - References
   ===========================================
 
   [1] ARM Linux Kernel documentation - CPUs bindings
@@ -238,9 +258,15 @@ description: |+
   [4] ARM Architecture Reference Manuals
       http://infocenter.arm.com/help/index.jsp
 
-  [6] ARM Linux Kernel documentation - Booting AArch64 Linux
+  [5] ARM Linux Kernel documentation - Booting AArch64 Linux
       Documentation/arm64/booting.rst
 
+  [6] RISC-V Linux Kernel documentation - CPUs bindings
+      Documentation/devicetree/bindings/riscv/cpus.yaml
+
+  [7] RISC-V Supervisor Binary Interface (SBI)
+      http://github.com/riscv/riscv-sbi-doc/riscv-sbi.adoc
+
 properties:
   $nodename:
     const: idle-states
@@ -253,7 +279,7 @@ properties:
       On ARM 32-bit systems this property is optional
 
       This assumes that the "enable-method" property is set to "psci" in the cpu
-      node[6] that is responsible for setting up CPU idle management in the OS
+      node[5] that is responsible for setting up CPU idle management in the OS
       implementation.
     const: psci
 
@@ -265,8 +291,8 @@ patternProperties:
       as follows.
 
       The idle state entered by executing the wfi instruction (idle_standby
-      SBSA,[3][4]) is considered standard on all ARM platforms and therefore
+      SBSA,[3][4]) is considered standard on all ARM and RISC-V platforms and
-      must not be listed.
+      therefore must not be listed.
 
       In addition to the properties listed above, a state node may require
       additional properties specific to the entry-method defined in the
@@ -275,7 +301,27 @@ patternProperties:
 
     properties:
       compatible:
-        const: arm,idle-state
+        enum:
+          - arm,idle-state
+          - riscv,idle-state
+
+      arm,psci-suspend-param:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: |
+          power_state parameter to pass to the ARM PSCI suspend call.
+
+          Device tree nodes that require usage of PSCI CPU_SUSPEND function
+          (i.e. idle states node with entry-method property is set to "psci")
+          must specify this property.
+
+      riscv,sbi-suspend-param:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: |
+          suspend_type parameter to pass to the RISC-V SBI HSM suspend call.
+
+          This property is required in idle state nodes of device tree meant
+          for RISC-V systems. For more details on the suspend_type parameter
+          refer the SBI specifiation v0.3 (or higher) [7].
 
       local-timer-stop:
         description:
@@ -317,6 +363,8 @@ patternProperties:
         description:
           A string used as a descriptive name for the idle state.
 
+    additionalProperties: false
+
     required:
       - compatible
       - entry-latency-us
@@ -658,4 +706,150 @@ examples:
         };
     };
 
+  - |
+    // Example 3 (RISC-V 64-bit, 4-cpu systems, two clusters):
+
+    cpus {
+        #size-cells = <0>;
+        #address-cells = <1>;
+
+        cpu@0 {
+            device_type = "cpu";
+            compatible = "riscv";
+            reg = <0x0>;
+            riscv,isa = "rv64imafdc";
+            mmu-type = "riscv,sv48";
+            cpu-idle-states = <&CPU_RET_0_0 &CPU_NONRET_0_0
+                            &CLUSTER_RET_0 &CLUSTER_NONRET_0>;
+
+            cpu_intc0: interrupt-controller {
+                #interrupt-cells = <1>;
+                compatible = "riscv,cpu-intc";
+                interrupt-controller;
+            };
+        };
+
+        cpu@1 {
+            device_type = "cpu";
+            compatible = "riscv";
+            reg = <0x1>;
+            riscv,isa = "rv64imafdc";
+            mmu-type = "riscv,sv48";
+            cpu-idle-states = <&CPU_RET_0_0 &CPU_NONRET_0_0
+                            &CLUSTER_RET_0 &CLUSTER_NONRET_0>;
+
+            cpu_intc1: interrupt-controller {
+                #interrupt-cells = <1>;
+                compatible = "riscv,cpu-intc";
+                interrupt-controller;
+            };
+        };
+
+        cpu@10 {
+            device_type = "cpu";
+            compatible = "riscv";
+            reg = <0x10>;
+            riscv,isa = "rv64imafdc";
+            mmu-type = "riscv,sv48";
+            cpu-idle-states = <&CPU_RET_1_0 &CPU_NONRET_1_0
+                            &CLUSTER_RET_1 &CLUSTER_NONRET_1>;
+
+            cpu_intc10: interrupt-controller {
+                #interrupt-cells = <1>;
+                compatible = "riscv,cpu-intc";
+                interrupt-controller;
+            };
+        };
+
+        cpu@11 {
+            device_type = "cpu";
+            compatible = "riscv";
+            reg = <0x11>;
+            riscv,isa = "rv64imafdc";
+            mmu-type = "riscv,sv48";
+            cpu-idle-states = <&CPU_RET_1_0 &CPU_NONRET_1_0
+                            &CLUSTER_RET_1 &CLUSTER_NONRET_1>;
+
+            cpu_intc11: interrupt-controller {
+                #interrupt-cells = <1>;
+                compatible = "riscv,cpu-intc";
+                interrupt-controller;
+            };
+        };
+
+        idle-states {
+            CPU_RET_0_0: cpu-retentive-0-0 {
+                compatible = "riscv,idle-state";
+                riscv,sbi-suspend-param = <0x10000000>;
+                entry-latency-us = <20>;
+                exit-latency-us = <40>;
+                min-residency-us = <80>;
+            };
+
+            CPU_NONRET_0_0: cpu-nonretentive-0-0 {
+                compatible = "riscv,idle-state";
+                riscv,sbi-suspend-param = <0x90000000>;
+                entry-latency-us = <250>;
+                exit-latency-us = <500>;
+                min-residency-us = <950>;
+            };
+
+            CLUSTER_RET_0: cluster-retentive-0 {
+                compatible = "riscv,idle-state";
+                riscv,sbi-suspend-param = <0x11000000>;
+                local-timer-stop;
+                entry-latency-us = <50>;
+                exit-latency-us = <100>;
+                min-residency-us = <250>;
+                wakeup-latency-us = <130>;
+            };
+
+            CLUSTER_NONRET_0: cluster-nonretentive-0 {
+                compatible = "riscv,idle-state";
+                riscv,sbi-suspend-param = <0x91000000>;
+                local-timer-stop;
+                entry-latency-us = <600>;
+                exit-latency-us = <1100>;
+                min-residency-us = <2700>;
+                wakeup-latency-us = <1500>;
+            };
+
+            CPU_RET_1_0: cpu-retentive-1-0 {
+                compatible = "riscv,idle-state";
+                riscv,sbi-suspend-param = <0x10000010>;
+                entry-latency-us = <20>;
+                exit-latency-us = <40>;
+                min-residency-us = <80>;
+            };
+
+            CPU_NONRET_1_0: cpu-nonretentive-1-0 {
+                compatible = "riscv,idle-state";
+                riscv,sbi-suspend-param = <0x90000010>;
+                entry-latency-us = <250>;
+                exit-latency-us = <500>;
+                min-residency-us = <950>;
+            };
+
+            CLUSTER_RET_1: cluster-retentive-1 {
+                compatible = "riscv,idle-state";
+                riscv,sbi-suspend-param = <0x11000010>;
+                local-timer-stop;
+                entry-latency-us = <50>;
+                exit-latency-us = <100>;
+                min-residency-us = <250>;
+                wakeup-latency-us = <130>;
+            };
+
+            CLUSTER_NONRET_1: cluster-nonretentive-1 {
+                compatible = "riscv,idle-state";
+                riscv,sbi-suspend-param = <0x91000010>;
+                local-timer-stop;
+                entry-latency-us = <600>;
+                exit-latency-us = <1100>;
+                min-residency-us = <2700>;
+                wakeup-latency-us = <1500>;
+            };
+        };
+    };
+
 ...

Documentation/devicetree/bindings/riscv/cpus.yaml

@@ -87,6 +87,12 @@ properties:
       - compatible
       - interrupt-controller
 
+  cpu-idle-states:
+    $ref: '/schemas/types.yaml#/definitions/phandle-array'
+    description: |
+      List of phandles to idle state nodes supported
+      by this hart (see ./idle-states.yaml).
+
 required:
   - riscv,isa
   - interrupt-controller

MAINTAINERS

@@ -4614,6 +4614,20 @@ S:	Supported
 F:	drivers/cpuidle/cpuidle-psci.h
 F:	drivers/cpuidle/cpuidle-psci-domain.c
 
+CPUIDLE DRIVER - DT IDLE PM DOMAIN
+M:	Ulf Hansson <ulf.hansson@linaro.org>
+L:	linux-pm@vger.kernel.org
+S:	Supported
+F:	drivers/cpuidle/dt_idle_genpd.c
+F:	drivers/cpuidle/dt_idle_genpd.h
+
+CPUIDLE DRIVER - RISC-V SBI
+M:	Anup Patel <anup@brainfault.org>
+L:	linux-pm@vger.kernel.org
+L:	linux-riscv@lists.infradead.org
+S:	Maintained
+F:	drivers/cpuidle/cpuidle-riscv-sbi.c
+
 CRAMFS FILESYSTEM
 M:	Nicolas Pitre <nico@fluxnic.net>
 S:	Maintained

arch/riscv/Kconfig

@@ -21,7 +21,6 @@ config RISCV
 	select ARCH_HAS_GCOV_PROFILE_ALL
 	select ARCH_HAS_GIGANTIC_PAGE
 	select ARCH_HAS_KCOV
-	select ARCH_HAS_MMIOWB
 	select ARCH_HAS_PTE_SPECIAL
 	select ARCH_HAS_SET_DIRECT_MAP
 	select ARCH_HAS_SET_MEMORY
@@ -35,6 +34,7 @@ config RISCV
 	select ARCH_KEEP_MEMBLOCK
 	select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
 	select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
+	select ARCH_USE_QUEUED_SPINLOCKS
 	select ARCH_USE_QUEUED_RWLOCKS
 	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
 	select ARCH_WANT_FRAME_POINTERS
@@ -42,7 +42,7 @@ config RISCV
 	select CLONE_BACKWARDS
 	select CLINT_TIMER if !MMU
 	select COMMON_CLK
-	select CPU_PM if (SUSPEND || CPU_IDLE)
+	select CPU_PM if CPU_IDLE
 	select COMPAT_BINFMT_ELF if BINFMT_ELF && COMPAT
 	select EDAC_SUPPORT
 	select DMA_DIRECT_REMAP
@@ -575,5 +575,11 @@ config ARCH_SUSPEND_POSSIBLE
 
 endmenu
 
+menu "CPU Power Management"
+
+source "drivers/cpuidle/Kconfig"
+
+endmenu
+
 source "arch/riscv/kvm/Kconfig"
 source "drivers/firmware/Kconfig"

arch/riscv/Kconfig.socs

@@ -19,6 +19,9 @@ config SOC_VIRT
 	select GOLDFISH
 	select RTC_DRV_GOLDFISH if RTC_CLASS
 	select SIFIVE_PLIC
+	select PM_GENERIC_DOMAINS if PM
+	select PM_GENERIC_DOMAINS_OF if PM && OF
+	select RISCV_SBI_CPUIDLE if CPU_IDLE
 	help
 	  This enables support for QEMU Virt Machine.
 

arch/riscv/boot/dts/thead/Makefile

@@ -12,15 +12,17 @@ dtb-$(CONFIG_SOC_THEAD) += light-a-val-ddr2G.dtb light-a-val-ddr1G.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-npu-fce.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-iso7816.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-nand.dtb
-dtb-$(CONFIG_SOC_THEAD) += light-a-val-audio.dtb
+dtb-$(CONFIG_SOC_THEAD) += light-a-val-audio.dtb light-a-val-audio-i2s-8ch.dtb
-dtb-$(CONFIG_SOC_THEAD) += light-a-val-dsi0.dtb light-a-val-dsi1.dtb light-a-val-hdmi.dtb light-a-val-dsi0-dsi1.dtb light-a-val-dsi0-hdmi.dtb light-a-val-dpi0.dtb light-a-val-dpi0-dpi1.dtb
+dtb-$(CONFIG_SOC_THEAD) += light-a-val-audio-tdm.dtb
+dtb-$(CONFIG_SOC_THEAD) += light-a-val-audio-spdif.dtb
+dtb-$(CONFIG_SOC_THEAD) += light-a-val-dsi0.dtb light-a-val-dsi1.dtb light-a-val-hdmi.dtb light-a-val-dsi0-dsi1.dtb light-a-val-dsi0-hdmi.dtb light-a-val-dsi0-hdmi-audio.dtb light-a-val-dpi0.dtb light-a-val-dpi0-dpi1.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-wcn.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-gpio-keys.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-khv.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-sec.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-miniapp-hdmi.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-product.dtb
-dtb-$(CONFIG_SOC_THEAD) += light-b-product.dtb
+dtb-$(CONFIG_SOC_THEAD) += light-b-product.dtb light-b-product-sec.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-b-product-ddr1G.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-b-product-miniapp-hdmi.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-full.dtb
@@ -30,10 +32,11 @@ dtb-$(CONFIG_SOC_THEAD) += light-beagle.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-lpi4a.dtb light-lpi4a-ddr2G.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-a-ref.dtb light-a-ref-dsi0.dtb light-a-ref-dsi0-hdmi.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-b-ref.dtb
-dtb-$(CONFIG_SOC_THEAD) += light-a-val-crash.dtb light-b-product-crash.dtb light-ant-ref-crash.dtb light-ant-discrete-crash.dtb
+dtb-$(CONFIG_SOC_THEAD) += light-a-val-crash.dtb light-b-product-crash.dtb light-ant-ref-crash.dtb light-ant-discrete-crash.dtb light-lpi4a-crash.dtb light-lpi4a-camera-tuning.dtb light-lpi4a-hdmi.dtb
 dtb-$(CONFIG_SOC_THEAD) += light-b-power.dtb
 
 dtb-$(CONFIG_SOC_THEAD) += light-a-val-android.dtb
 
 dtb-$(CONFIG_SOC_THEAD) += fire-emu.dtb fire-emu-crash.dtb
 dtb-$(CONFIG_SOC_THEAD) += fire-emu-soc-base.dtb fire-emu-soc-c910x4.dtb fire-emu-gpu-dpu-dsi0.dtb fire-emu-vi-dsp-vo.dtb fire-emu-vi-vp-vo.dtb
+dtb-$(CONFIG_SOC_THEAD) += fire-emu-soc-base-sec.dtb

arch/riscv/boot/dts/thead/fire-crash.dts

@@ -306,15 +306,6 @@
 		pagesize = <32>;
 	};
 
-	codec: wm8960@1a {
-		#sound-dai-cells = <0>;
-		compatible = "wlf,wm8960";
-		reg = <0x1a>;
-		wlf,shared-lrclk;
-		wlf,hp-cfg = <3 2 3>;
-		wlf,gpio-cfg = <1 3>;
-	};
-
        touch@5d {
                #gpio-cells = <2>;
                compatible = "goodix,gt911";
@@ -523,7 +514,7 @@
 				>;
 			};
 
-			pinctrl_audio_i2s0: i2s0grp {
+			pinctrl_light_i2s0: i2s0grp {
 				thead,pins = <
 					FM_QSPI0_SCLK    0x2    0x208
 					FM_QSPI0_CSN0    0x2    0x238

arch/riscv/boot/dts/thead/fire-emu-soc-base-sec.dts

@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+
+/dts-v1/;
+
+/* #include "fire-emu.dts" */
+#include "fire-emu-soc-base.dts"
+
+&light_iopmp {
+        status = "disabled";
+};

arch/riscv/boot/dts/thead/fire-emu.dts

@@ -311,15 +311,6 @@
 		pagesize = <32>;
 	};
 
-	codec: wm8960@1a {
-		#sound-dai-cells = <0>;
-		compatible = "wlf,wm8960";
-		reg = <0x1a>;
-		wlf,shared-lrclk;
-		wlf,hp-cfg = <3 2 3>;
-		wlf,gpio-cfg = <1 3>;
-	};
-
        touch@5d {
                #gpio-cells = <2>;
                compatible = "goodix,gt911";
@@ -338,16 +329,18 @@
         clock-frequency = <100000>;
         status = "disabled";
 
-       es8156_audio_codec: es8156@8 {
+        es8156_audio_codec: es8156@8 {
                #sound-dai-cells = <0>;
                compatible = "everest,es8156";
                reg = <0x08>;
-       };
+               status = "disabled";
+        };
 
         es7210_audio_codec: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                status = "disabled";
         };
 };
 
@@ -488,7 +481,7 @@
 				>;
 			};
 
-			pinctrl_audio_i2s0: i2s0grp {
+			pinctrl_light_i2s0: i2s0grp {
 				thead,pins = <
 					FM_QSPI0_SCLK    0x2    0x208
 					FM_QSPI0_CSN0    0x2    0x238

arch/riscv/boot/dts/thead/fire.dtsi

@@ -373,7 +373,7 @@
 			entry-cnt = <4>;
 			control-reg = <0xff 0xff015004>;
 			control-val = <0x1c>;
-			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc>;
+			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc 0x7ce>;
 		};
 
 		clint0: clint@ffdc000000 {
@@ -1335,8 +1335,7 @@
 
 		emmc: sdhci@ffe7080000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7080000 0x0 0x10000
+			reg = <0xff 0xe7080000 0x0 0x10000>;
-			       0xff 0xef014060 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <62>;
 			interrupt-names = "sdhciirq";
@@ -1346,8 +1345,7 @@
 
 		sdhci0: sd@ffe7090000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7090000 0x0 0x10000
+			reg = <0xff 0xe7090000 0x0 0x10000>;
-			       0xff 0xef014064 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <64>;
 			interrupt-names = "sdhci0irq";
@@ -1357,8 +1355,7 @@
 
 		sdhci1: sd@ffe70a0000 {
 		        compatible = "snps,dwcmshc-sdhci";
-		        reg = <0xff 0xe70a0000 0x0 0x10000
+		        reg = <0xff 0xe70a0000 0x0 0x10000>;
-		               0xff 0xef014064 0x0 0x4>;
 		        interrupt-parent = <&intc>;
 		        interrupts = <71>;
 		        interrupt-names = "sdhci1irq";
@@ -1433,7 +1430,7 @@
 			compatible = "light,light-i2s";
 			reg = <0xff 0xe7034000 0x0 0x4000>;
 			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_audio_i2s0>;
+			pinctrl-0 = <&pinctrl_light_i2s0>;
 			light,mode = "i2s-master";
 			light,sel = "ap_i2s";
 			interrupt-parent = <&intc>;

arch/riscv/boot/dts/thead/light-a-product.dts

@@ -162,6 +162,14 @@
 		iopmp_dsp1: IOPMP_DSP1 {
 			is_default_region;
 		};
+
+		iopmp_audio0: IOPMP_AUDIO0 {
+			is_default_region;
+		};
+
+		iopmp_audio1: IOPMP_AUDIO1 {
+			is_default_region;
+		};
 	};
 
 	mbox_910t_client1: mbox_910t_client1 {
@@ -517,15 +525,6 @@
 		pagesize = <32>;
 	};
 
-	codec: wm8960@1a {
-		#sound-dai-cells = <0>;
-		compatible = "wlf,wm8960";
-		reg = <0x1a>;
-		wlf,shared-lrclk;
-		wlf,hp-cfg = <3 2 3>;
-		wlf,gpio-cfg = <1 3>;
-	};
-
        touch@5d {
                #gpio-cells = <2>;
                compatible = "goodix,gt911";
@@ -687,6 +686,7 @@
 	no-mmc;
 	non-removable;
 	io_fixed_1v8;
+	rxclk-sample-delay = <80>;
 	post-power-on-delay-ms = <50>;
 	wprtn_ignore;
 	cap-sd-highspeed;
@@ -729,7 +729,7 @@
 				>;
 			};
 
-			pinctrl_audio_i2s0: i2s0grp {
+			pinctrl_light_i2s0: i2s0grp {
 				thead,pins = <
 					FM_QSPI0_SCLK    0x2    0x208
 					FM_QSPI0_CSN0    0x2    0x238

arch/riscv/boot/dts/thead/light-a-val-android.dts

@@ -30,45 +30,54 @@
 
 &lightsound {
 	status = "okay";
-	
-	simple-audio-card,widgets =
-		"Microphone", "Mic Jack",
-		"Speaker", "Speaker",
-		"Headphone", "Headphone Jack";
-	simple-audio-card,routing =
-		"Headphone Jack", "HP_L",
-		"Headphone Jack", "HP_R",
-		"Speaker", "SPK_LP",
-		"Speaker", "SPK_LN",
-		"Speaker", "SPK_RP",
-		"Speaker", "SPK_RN",
-		"Mic Jack","MICB",
-		"LINPUT1", "Mic Jack",
-		"LINPUT3", "Mic Jack";
 
-	simple-audio-card,dai-link@0 {          /* I2S - CODEC */
+        simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
-		reg = <0>;
+                reg = <0>;
-		format = "i2s";
+                format = "i2s";
-		cpu {
+                cpu {
-			sound-dai = <&light_i2s 0>;
+                        sound-dai = <&i2s0 0>;
-		};
+                };
-		codec {
+                codec {
-			sound-dai = <&codec>;
+                        sound-dai = <&es8156_audio_codec>;
-		};
+                };
-	};
+        };
-	simple-audio-card,dai-link@1 {          /* I2S - HDMI */
+
+        simple-audio-card,dai-link@1 {          /* I2S - AUDIO SYS CODEC 7210*/
                 reg = <1>;
                 format = "i2s";
                 cpu {
-                        sound-dai = <&light_i2s 1>;
+                        sound-dai = <&i2s_8ch_sd2 2>;
                 };
                 codec {
-                        sound-dai = <&dummy_codec 2>;
+                        sound-dai = <&es7210_audio_codec_adc0>;
                 };
-    };
+        };
+
+	simple-audio-card,dai-link@2 {          /* I2S - HDMI */
+		reg = <2>;
+		format = "i2s";
+		cpu {
+			sound-dai = <&light_i2s 1>;
+		};
+		codec {
+			sound-dai = <&dummy_codec>;
+		};
+	};
 };
 
 &light_i2s {
+	status = "okay";
+};
+
+&i2s0 {
+        status = "okay";
+};
+
+&i2s_8ch_sd2 {
+        status = "okay";
+};
+
+&es7210_audio_codec_adc0 {
         status = "okay";
 };
 

arch/riscv/boot/dts/thead/light-a-val-audio-hdmi.dts

@@ -5,7 +5,7 @@
 
 /dts-v1/;
 
-#include "light-a-val.dts"
+#include "light-a-val-audio.dts"
 
 / {
 	display-subsystem {
@@ -40,28 +40,6 @@
 
 &lightsound {
 	status = "okay";
-
-        simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
-                reg = <0>;
-                format = "i2s";
-                cpu {
-                        sound-dai = <&i2s0 0>;
-                };
-                codec {
-                        sound-dai = <&es8156_audio_codec>;
-                };
-        };
-
-        simple-audio-card,dai-link@1 {          /* I2S - AUDIO SYS CODEC 7210*/
-                reg = <1>;
-                format = "i2s";
-                cpu {
-                        sound-dai = <&i2s3 0>;
-                };
-                codec {
-                        sound-dai = <&es7210_audio_codec>;
-                };
-        };
 	
 	simple-audio-card,dai-link@2 {          /* I2S - HDMI */
 		reg = <2>;
@@ -70,7 +48,7 @@
 			sound-dai = <&light_i2s 1>;
 		};
 		codec {
-			sound-dai = <&dummy_codec 2>;
+			sound-dai = <&dummy_codec>;
 		};
 	};
 };
@@ -78,12 +56,3 @@
 &light_i2s {
         status = "okay";
 };
-
-&i2s0 {
-        status = "okay";
-};
-
-&i2s3 {
-        status = "okay";
-};
-

arch/riscv/boot/dts/thead/light-a-val-audio-i2s-8ch.dts

@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+
+#include "light-a-val-audio.dts"
+
+/ {
+	model = "T-HEAD Light FM Audio VAL board";
+	compatible = "thead,light-val-audio-i2s-8ch", "thead,light";
+};
+
+
+&lightsound {
+        status = "okay";
+
+	simple-audio-card,dai-link@1 {          /* I2S - AUDIO SYS CODEC 7210*/
+                reg = <1>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s_8ch_sd2 2>;
+                };
+                codec {
+                        mclk-fs = <512>;
+                        sound-dai = <&es7210_audio_codec_adc0>;
+                };
+        };
+
+	simple-audio-card,dai-link@2 {          /* I2S - AUDIO SYS CODEC 7210*/
+                reg = <2>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s_8ch_sd3 3>;
+                };
+                codec {
+                        mclk-fs = <512>;
+                        sound-dai = <&es7210_audio_codec_adc0>;
+                };
+        };
+
+        simple-audio-card,dai-link@3 {          /* I2S - AUDIO SYS CODEC 7210_1*/
+                reg = <3>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s_8ch_sd0 0>;
+                };
+                codec {
+                        mclk-fs = <512>;
+                        sound-dai = <&es7210_audio_codec_adc1>;
+                };
+        };
+
+        simple-audio-card,dai-link@4 {          /* I2S - AUDIO SYS CODEC 7210_1*/
+                reg = <4>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s_8ch_sd1 1>;
+                };
+                codec {
+                        mclk-fs = <512>;
+                        sound-dai = <&es7210_audio_codec_adc1>;
+                };
+        };
+};
+
+&i2s_8ch_sd0 {
+        status = "okay";
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audiopa4>,
+                    <&pinctrl_audio_i2s_8ch_sd0>,
+                    <&pinctrl_audiopa2>,
+                    <&pinctrl_audiopa3>,
+                    <&pinctrl_audiopa8>,
+                    <&pinctrl_audio_i2s_8ch_bus>;
+};
+
+&i2s_8ch_sd1 {
+        status = "okay";
+};
+
+&i2s_8ch_sd2 {
+        status = "okay";
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audiopa0>,
+                    <&pinctrl_audio_i2s_8ch_sd2>;
+};
+
+&i2s_8ch_sd3 {
+        status = "okay";
+};
+
+&es7210_audio_codec_adc0 {
+        status = "okay";
+        channels-max = <8>;
+};
+
+&es7210_audio_codec_adc1 {
+        status = "okay";
+        channels-max = <8>;
+};

arch/riscv/boot/dts/thead/light-a-val-audio-spdif.dts

@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+
+#include "light-a-val.dts"
+
+&spdif0 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audio_spdif0>;
+	status = "okay";
+};
+
+&spdif1 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audio_spdif1>;
+	status = "okay";
+};
+
+&lightsound {
+        status = "okay";
+        simple-audio-card,dai-link@0 {          /* SPDIF0 */
+                reg = <1>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&spdif0>;
+                };
+                codec {
+                        sound-dai = <&dummy_codec>;
+                };
+        };
+        simple-audio-card,dai-link@1 {          /* SPDIF1 */
+                reg = <1>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&spdif1>;
+                };
+                codec {
+                        sound-dai = <&dummy_codec>;
+                };
+        };
+};

arch/riscv/boot/dts/thead/light-a-val-audio-tdm.dts

@@ -0,0 +1,182 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+
+#include "light-a-val.dts"
+
+&tdm_slot1 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audio_tdm>;
+	status = "okay";
+};
+
+&tdm_slot2 {
+	status = "okay";
+};
+
+&tdm_slot3 {
+	status = "okay";
+};
+
+&tdm_slot4 {
+	status = "okay";
+};
+
+&tdm_slot5 {
+	status = "okay";
+};
+
+&tdm_slot6 {
+	status = "okay";
+};
+
+&tdm_slot7 {
+	status = "okay";
+};
+
+&tdm_slot8 {
+	status = "okay";
+};
+
+&audio_i2c0 {
+        clock-frequency = <100000>;
+        status = "okay";
+
+        es7210_adc2: es7210@42 {
+                #sound-dai-cells = <0>;
+                compatible = "MicArray_0";
+                reg = <0x42>;
+                work-mode = "ES7210_TDM_1LRCK_DSPB";
+                channels-max = <8>;
+                sound-name-prefix = "ES7210_ADC2";
+                MVDD-supply = <&soc_aud_adc_3v3_en_reg>;
+                AVDD-supply = <&soc_aud_adc_3v3_en_reg>;
+                DVDD-supply = <&soc_dvdd18_aon_reg>;
+                PVDD-supply = <&soc_dvdd18_aon_reg>;
+        };
+
+        es7210_adc3: es7210@43 {
+                #sound-dai-cells = <0>;
+                compatible = "MicArray_1";
+                reg = <0x43>;
+                work-mode = "ES7210_TDM_1LRCK_DSPB";
+                channels-max = <8>;
+                sound-name-prefix = "ES7210_ADC3";
+                MVDD-supply = <&soc_aud_adc_3v3_en_reg>;
+                AVDD-supply = <&soc_aud_adc_3v3_en_reg>;
+                DVDD-supply = <&soc_dvdd18_aon_reg>;
+                PVDD-supply = <&soc_dvdd18_aon_reg>;
+        };
+};
+
+&lightsound {
+        status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"AW87519 IN", "ES8156 ROUT",
+        	"Speaker", "AW87519 VO";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
+        simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
+                reg = <0>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s0 0>;
+                };
+                codec {
+                        sound-dai = <&es8156_audio_codec>;
+                };
+        };
+
+        simple-audio-card,dai-link@1 {          /* TDM - AUDIO SYS CODEC 7210*/
+                reg = <1>;
+                format = "dsp_b";
+                cpu {
+                        sound-dai = <&tdm_slot1>;
+                };
+                codec {
+                        sound-dai = <&es7210_adc2>;
+                };
+        };
+
+        simple-audio-card,dai-link@2 {
+                reg = <1>;
+                format = "dsp_b";
+                cpu {
+                        sound-dai = <&tdm_slot2>;
+                };
+                codec {
+                        sound-dai = <&es7210_adc2>;
+                };
+        };
+
+        simple-audio-card,dai-link@3 {
+                reg = <1>;
+                format = "dsp_b";
+                cpu {
+                        sound-dai = <&tdm_slot3>;
+                };
+                codec {
+                        sound-dai = <&es7210_adc2>;
+                };
+        };
+
+        simple-audio-card,dai-link@4 {
+                reg = <1>;
+                format = "dsp_b";
+                cpu {
+                        sound-dai = <&tdm_slot4>;
+                };
+                codec {
+                        sound-dai = <&es7210_adc2>;
+                };
+        };
+
+        simple-audio-card,dai-link@5 {
+                reg = <1>;
+                format = "dsp_b";
+                cpu {
+                        sound-dai = <&tdm_slot5>;
+                };
+                codec {
+                        sound-dai = <&es7210_adc2>;
+                };
+        };
+
+        simple-audio-card,dai-link@6 {
+                reg = <1>;
+                format = "dsp_b";
+                cpu {
+                        sound-dai = <&tdm_slot6>;
+                };
+                codec {
+                        sound-dai = <&es7210_adc2>;
+                };
+        };
+
+        simple-audio-card,dai-link@7 {
+                reg = <1>;
+                format = "dsp_b";
+                cpu {
+                        sound-dai = <&tdm_slot7>;
+                };
+                codec {
+                        sound-dai = <&es7210_adc2>;
+                };
+        };
+
+        simple-audio-card,dai-link@8 {
+                reg = <1>;
+                format = "dsp_b";
+                cpu {
+                        sound-dai = <&tdm_slot8>;
+                };
+                codec {
+                        sound-dai = <&es7210_adc2>;
+                };
+        };
+};
+
+&i2s0 {
+        status = "okay";
+};

arch/riscv/boot/dts/thead/light-a-val-audio.dts

@@ -11,8 +11,12 @@
 };
 
 &lightsound {
-	status = "okay";
+        status = "okay";
-
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -28,22 +32,24 @@
                 reg = <1>;
                 format = "i2s";
                 cpu {
-                        sound-dai = <&i2s3 0>;
+                        sound-dai = <&i2s_8ch_sd2 2>;
                 };
                 codec {
-                        sound-dai = <&es7210_audio_codec>;
+                        sound-dai = <&es7210_audio_codec_adc0>;
                 };
         };
 };
 
-&light_i2s {
-	status = "okay";
-};
-
 &i2s0 {
         status = "okay";
 };
 
-&i2s3 {
+&i2s_8ch_sd2 {
         status = "okay";
 };
+
+&es7210_audio_codec_adc0 {
+        status = "okay";
+};
+
+

arch/riscv/boot/dts/thead/light-a-val-ddr1G.dts

@@ -11,7 +11,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x40000000>;
+		reg = <0x0 0x200000 0x0 0x3fe00000>;
 	};
 };
 

arch/riscv/boot/dts/thead/light-a-val-ddr2G.dts

@@ -11,7 +11,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 };
 

arch/riscv/boot/dts/thead/light-a-val-dsi0-hdmi-audio.dts

@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+
+/dts-v1/;
+
+#include "light-a-val-dsi0-hdmi.dts"
+
+&lightsound {
+        status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
+        simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
+                reg = <0>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s0 0>;
+                };
+                codec {
+                        sound-dai = <&es8156_audio_codec>;
+                };
+        };
+
+        simple-audio-card,dai-link@1 {          /* I2S - AUDIO SYS CODEC 7210*/
+                reg = <1>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s_8ch_sd2 2>;
+                };
+                codec {
+                        sound-dai = <&es7210_audio_codec_adc0>;
+                };
+        };
+        simple-audio-card,dai-link@2 {          /* I2S - HDMI */
+                reg = <2>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&light_i2s 1>;
+                };
+                codec {
+                        sound-dai = <&dummy_codec>;
+                };
+        };
+};
+
+&light_i2s {
+	status = "okay";
+};
+
+&i2s0 {
+        status = "okay";
+};
+
+&i2s_8ch_sd2 {
+        status = "okay";
+};
+
+&es7210_audio_codec_adc0 {
+        status = "okay";
+};

arch/riscv/boot/dts/thead/light-a-val-full.dts

@@ -95,7 +95,11 @@
 
 &lightsound {
         status = "okay";
-
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -111,23 +115,27 @@
                 reg = <1>;
                 format = "i2s";
                 cpu {
-                        sound-dai = <&i2s3 0>;
+                        sound-dai = <&i2s_8ch_sd2 2>;
                 };
                 codec {
-                        sound-dai = <&es7210_audio_codec>;
+                        sound-dai = <&es7210_audio_codec_adc0>;
                 };
         };
 };
 
 &light_i2s {
-        status = "okay";
+	status = "okay";
 };
 
 &i2s0 {
         status = "okay";
 };
 
-&i2s3 {
+&i2s_8ch_sd2 {
+        status = "okay";
+};
+ 
+&es7210_audio_codec_adc0 {
         status = "okay";
 };
 

arch/riscv/boot/dts/thead/light-a-val-hdmi.dts

@@ -48,7 +48,7 @@
 			sound-dai = <&light_i2s 1>;
 		};
 		codec {
-			sound-dai = <&dummy_codec 2>;
+			sound-dai = <&dummy_codec>;
 		};
 	};
 };

arch/riscv/boot/dts/thead/light-a-val-miniapp-dsi0.dts

@@ -74,6 +74,26 @@
 	};
 };
 
+&padctrl_audiosys {
+	status = "okay";
+
+	light-audio-padctrl {
+			/*
+			 * Pin Configuration Node:
+			 * Format: <pin_id mux_node config>
+			 */
+
+			pinctrl_audio_i2s_8ch: audio_i2s_8ch_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA0	  0x2 0x008
+					FM_AUDIO_IO_PA2	  0x2 0x008
+					FM_AUDIO_IO_PA3   0x2 0x008
+					FM_AUDIO_IO_PA8   0x2 0x008
+				>;
+			};
+	};
+};
+
 &lightsound {
 	status = "okay";
 
@@ -92,15 +112,14 @@
                 reg = <1>;
                 format = "i2s";
                 cpu {
-                        sound-dai = <&i2s3 0>;
+                        sound-dai = <&i2s_8ch_sd2 2>;
                 };
                 codec {
-                        sound-dai = <&es7210_audio_codec>;
+                        sound-dai = <&es7210_audio_codec_adc0>;
                 };
         };
 };
 
-
 &light_i2s {
 	status = "okay";
 };
@@ -109,7 +128,11 @@
         status = "okay";
 };
 
-&i2s3 {
+&i2s_8ch_sd2 {
+        status = "okay";
+};
+
+&es7210_audio_codec_adc0 {
         status = "okay";
 };
 

arch/riscv/boot/dts/thead/light-a-val-miniapp-hdmi.dts

@@ -56,10 +56,10 @@
                 reg = <1>;
                 format = "i2s";
                 cpu {
-                        sound-dai = <&i2s3 0>;
+                        sound-dai = <&i2s_8ch_sd2 2>;
                 };
                 codec {
-                        sound-dai = <&es7210_audio_codec>;
+                        sound-dai = <&es7210_audio_codec_adc0>;
                 };
         };
 };
@@ -73,7 +73,11 @@
         status = "okay";
 };
 
-&i2s3 {
+&i2s_8ch_sd2 {
+        status = "okay";
+};
+
+&es7210_audio_codec_adc0 {
         status = "okay";
 };
 

arch/riscv/boot/dts/thead/light-a-val-sec.dts

@@ -5,9 +5,16 @@
 
 /dts-v1/;
 
-#include "light-a-val-dsi0-hdmi.dts"
+#include "light-a-val-audio-hdmi.dts"
 
 
 &light_iopmp {
         status = "disabled";
 };
+&qspi1 {
+        status = "disabled";
+};
+
+&eip_28 {
+        status = "disabled";
+};

arch/riscv/boot/dts/thead/light-a-val.dts

@@ -16,7 +16,7 @@
 
 	chosen {
 		bootargs = "console=ttyS0,115200 crashkernel=256M-:128M earlycon clk_ignore_unused sram=0xffe0000000,0x180000";
-		stdout-path = "serial0:115200n8";
+		stdout-path = "serial0";
 	};
 
 	leds {
@@ -165,6 +165,14 @@
 		iopmp_dsp1: IOPMP_DSP1 {
 			is_default_region;
 		};
+
+		iopmp_audio0: IOPMP_AUDIO0 {
+			is_default_region;
+		};
+
+		iopmp_audio1: IOPMP_AUDIO1 {
+			is_default_region;
+		};
 	};
 
 	mbox_910t_client1: mbox_910t_client1 {
@@ -179,7 +187,8 @@
 		compatible = "thead,light-mbox-client";
 		mbox-names = "906";
 		mboxes = <&mbox_910t 2 0>;
-		status = "disabled";
+		audio-mbox-regmap = <&audio_mbox>;
+		status = "okay";
 	};
 
 	lightsound: lightsound@1 {
@@ -192,9 +201,24 @@
 		status = "disabled";
 	};
 
+	light_rpmsg: light_rpmsg {
+		compatible = "light,rpmsg-bus", "simple-bus";
+		memory-region = <&rpmsgmem>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		rpmsg: rpmsg{
+			vdev-nums = <1>;
+            reg = <0x0 0x1E000000 0 0x10000>;
+			compatible = "light,light-rpmsg";
+			status = "okay";
+		};
+	};
+
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
+		sound-name-prefix = "DUMMY";
 		status = "okay";
 	};
 
@@ -262,6 +286,24 @@
 		enable-active-high;
 	};
 
+	soc_aud_adc_3v3_en_reg: soc-aud-adc-3v3-en {
+		compatible = "regulator-fixed";
+		regulator-name = "soc_aud_adc_3v3_en";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&pcal6408ahk_b 1 1>;
+		enable-active-high;
+	};
+
+	soc_aud_dac_3v3_en_reg: soc-aud-dac-3v3-en {
+		compatible = "regulator-fixed";
+		regulator-name = "soc_aud_dac_3v3_en";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&pcal6408ahk_b 2 1>;
+		enable-active-high;
+	};
+
 	wcn_wifi: wireless-wlan {
 		compatible = "wlan-platdata";
 		clock-names = "clk_wifi";
@@ -288,12 +330,14 @@
 		status = "disabled";
 		key-volumedown {
 			label = "Volume Down Key";
+			wakeup-source;
 			linux,code = <KEY_1>;
 			debounce-interval = <2>;
 			gpios = <&ao_gpio_porta 4 GPIO_ACTIVE_LOW>;
 		};
 		key-volumeup {
 			label = "Volume Up Key";
+			wakeup-source;
 			linux,code = <KEY_2>;
 			debounce-interval = <2>;
 			gpios = <&ao_gpio_porta 5 GPIO_ACTIVE_LOW>;
@@ -512,7 +556,14 @@
 		reg = <0x0 0x22000000 0x0 0x10000000>;
 		no-map;
 	};
-
+    audio_mem: memory@32000000 {
+		reg = <0x0 0x32000000 0x0 0x6400000>;
+		no-map;
+    };
+	rpmsgmem: memory@1E000000 {
+		reg = <0x0 0x1E000000 0x0 0x10000>;
+		no-map;
+	};
 };
 
 &adc {
@@ -523,22 +574,14 @@
 &i2c0 {
 	clock-frequency = <400000>;
 	status = "okay";
-
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c0>;
 	eeprom@50 {
 		compatible = "atmel,24c32";
 		reg = <0x50>;
 		pagesize = <32>;
 	};
 
-	codec: wm8960@1a {
-		#sound-dai-cells = <0>;
-		compatible = "wlf,wm8960";
-		reg = <0x1a>;
-		wlf,shared-lrclk;
-		wlf,hp-cfg = <3 2 3>;
-		wlf,gpio-cfg = <1 3>;
-	};
-
        touch@5d {
                #gpio-cells = <2>;
                compatible = "goodix,gt911";
@@ -556,23 +599,82 @@
 &audio_i2c0 {
         clock-frequency = <100000>;
         status = "okay";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_audiopa6>,
+					<&pinctrl_audiopa7>,
+					<&pinctrl_audio_i2c0>;
 
-       es8156_audio_codec: es8156@8 {
+        es8156_audio_codec: es8156@8 {
-               #sound-dai-cells = <0>;
+                #sound-dai-cells = <0>;
-               compatible = "everest,es8156";
+                compatible = "everest,es8156";
-               reg = <0x08>;
+                reg = <0x08>;
-       };
+                sound-name-prefix = "ES8156";
+                AVDD-supply = <&soc_aud_dac_3v3_en_reg>;
+                DVDD-supply = <&soc_dvdd18_aon_reg>;
+                PVDD-supply = <&soc_dvdd18_aon_reg>;
+				mclk-sclk-ratio = <4>;
+        };
 
-        es7210_audio_codec: es7210@40 {
+        es7210_audio_codec_adc0: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                status = "disabled";
+                work-mode = "ES7210_NORMAL_I2S";
+                channels-max = <2>;
+                mclk-sclk-ratio = <4>;
+                sound-name-prefix = "ES7210_ADC0";
+                MVDD-supply = <&soc_aud_adc_3v3_en_reg>;
+                AVDD-supply = <&soc_aud_adc_3v3_en_reg>;
+                DVDD-supply = <&soc_dvdd18_aon_reg>;
+                PVDD-supply = <&soc_dvdd18_aon_reg>;
+        };
+
+        es7210_audio_codec_adc1: es7210@41 {
+                #sound-dai-cells = <0>;
+                compatible = "MicArray_1";
+                reg = <0x41>;
+                status = "disabled";
+                work-mode = "ES7210_NORMAL_I2S";
+                channels-max = <2>;
+                mclk-sclk-ratio = <4>;
+                sound-name-prefix = "ES7210_ADC1";
+                MVDD-supply = <&soc_aud_adc_3v3_en_reg>;
+                AVDD-supply = <&soc_aud_adc_3v3_en_reg>;
+                DVDD-supply = <&soc_dvdd18_aon_reg>;
+                PVDD-supply = <&soc_dvdd18_aon_reg>;
+        };
+
+        audio_aw87519_pa: amp@58 {
+                compatible = "awinic,aw87519_pa";
+                reg = <0x58>;
+                reset-gpio = <&pcal6408ahk_b 3 0x1>;
+                sound-name-prefix = "AW87519";
+                status = "okay";
+        };
+};
+
+&audio_i2c1 {
+        clock-frequency = <100000>;
+        status = "okay";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_audiopa13>,
+					<&pinctrl_audiopa16>,
+					<&pinctrl_audio_i2c1>;
+
+        pcal6408ahk_b: gpio@20 {
+                compatible = "nxp,pcal9554b";
+                reg = <0x20>;
+                gpio-controller;
+                #gpio-cells = <2>;
         };
 };
 
 &i2c1 {
         clock-frequency = <400000>;
         status = "okay";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2c1>;
         touch1@5d {
                 #gpio-cells = <2>;
                 compatible = "goodix,gt911";
@@ -591,9 +693,9 @@
 	num-cs = <1>;
 	cs-gpios = <&gpio2_porta 15 0>; // GPIO_ACTIVE_HIGH: 0
 	rx-sample-delay-ns = <10>;
-	status = "okay";
 
 	spi_norflash@0 {
+		status = "okay";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		compatible = "winbond,w25q64jwm", "jedec,spi-nor";
@@ -603,6 +705,7 @@
 	};
 
 	spidev@1 {
+		status = "disable";
 		compatible = "spidev";
 		#address-cells = <0x1>;
 		#size-cells = <0x1>;
@@ -613,13 +716,30 @@
 
 &uart0 {
 	clock-frequency = <100000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart0>;
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart3>;
+};
+
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart4>;
 };
 
 &qspi0 {
 	num-cs = <1>;
 	cs-gpios = <&gpio2_porta 3 0>;
-	rx-sample-dly = <4>;
+	rx-sample-dly = <5>;
-	status = "disabled";
+	status = "okay";
 
 	spi-flash@0 {
 		#address-cells = <1>;
@@ -640,7 +760,8 @@
 &qspi1 {
 	num-cs = <1>;
 	cs-gpios = <&gpio0_porta 1 0>;
-	status = "disabled";
+	rx-sample-dly = <5>;
+	status = "okay";
 
 	spi-flash@0 {
 		#address-cells = <1>;
@@ -663,6 +784,8 @@
 	rx-clk-delay = <0x00>; /* for RGMII */
 	tx-clk-delay = <0x00>; /* for RGMII */
 	phy-handle = <&phy_88E1111_0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gmac0>;
 	status = "okay";
 
 	mdio0 {
@@ -685,6 +808,8 @@
 	rx-clk-delay = <0x00>; /* for RGMII */
 	tx-clk-delay = <0x00>; /* for RGMII */
 	phy-handle = <&phy_88E1111_1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gmac1>;
 	status = "okay";
 };
 
@@ -706,6 +831,8 @@
 	bus-width = <4>;
 	pull_up;
 	wprtn_ignore;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sdio0>;
 	status = "okay";
 };
 
@@ -717,6 +844,7 @@
 	no-mmc;
 	non-removable;
 	io_fixed_1v8;
+	rxclk-sample-delay = <80>;
 	post-power-on-delay-ms = <50>;
 	wprtn_ignore;
 	cap-sd-highspeed;
@@ -733,17 +861,8 @@
 			 */
 			pinctrl_uart0: uart0grp {
 				thead,pins = <
-					FM_UART0_TXD	0x0	0x72
+					FM_UART0_TXD	0x0	0x234
-					FM_UART0_RXD	0x0	0x72
+					FM_UART0_RXD	0x0	0x234
-				>;
-			};
-
-			pinctrl_spi0: spi0grp {
-				thead,pins = <
-					FM_SPI_CSN	0x3	0x20a
-					FM_SPI_SCLK	0x0	0x20a
-					FM_SPI_MISO	0x0	0x23a
-					FM_SPI_MOSI	0x0	0x23a
 				>;
 			};
 
@@ -759,7 +878,7 @@
 				>;
 			};
 
-			pinctrl_audio_i2s0: i2s0grp {
+			pinctrl_light_i2s0: i2s0grp {
 				thead,pins = <
 					FM_QSPI0_SCLK    0x2    0x208
 					FM_QSPI0_CSN0    0x2    0x238
@@ -771,12 +890,87 @@
 				>;
 			};
 
+			pinctrl_i2c2: i2c2grp {
+				thead,pins = <
+					FM_I2C2_SCL	0x0	0x204
+					FM_I2C2_SDA	0x0	0x204
+				>;
+			};
+
+			pinctrl_i2c3: i2c3grp {
+				thead,pins = <
+					FM_I2C3_SCL	0x0	0x204
+					FM_I2C3_SDA	0x0	0x204
+				>;
+			};
+
+			pinctrl_spi0: spi0grp {
+				thead,pins = <
+					FM_SPI_CSN	0x3	0x20a
+					FM_SPI_SCLK	0x0	0x20a
+					FM_SPI_MISO	0x0	0x23a
+					FM_SPI_MOSI	0x0	0x23a
+				>;
+			};
+
+			pinctrl_gmac1: gmac1grp {
+				thead,pins = <
+					FM_GPIO2_18	0x1	0x20f	/*	GMAC1_TX_CLK  */
+					FM_GPIO2_19	0x1	0x20f	/*	GMAC1_RX_CLK  */
+					FM_GPIO2_20	0x1	0x20f	/*	GMAC1_TXEN  */
+					FM_GPIO2_21	0x1	0x20f	/*	GMAC1_TXD0  */
+					FM_GPIO2_22	0x1	0x20f	/*	GMAC1_TXD1  */
+					FM_GPIO2_23	0x1	0x20f	/*	GMAC1_TXD2  */
+					FM_GPIO2_24	0x1	0x20f	/*	GMAC1_TXD3  */
+					FM_GPIO2_25	0x1	0x20f	/*	GMAC1_RXDV  */
+					FM_GPIO2_30	0x1	0x20f	/*	GMAC1_RXD0  */
+					FM_GPIO2_31	0x1	0x20f	/*	GMAC1_RXD1  */
+					FM_GPIO3_0	0x1	0x20f	/*	GMAC1_RXD2  */
+					FM_GPIO3_1	0x1	0x20f	/*	GMAC1_RXD3  */
+				>;
+			};
+
+			pinctrl_sdio0: sdio0grp {
+				thead,pins = <
+					FM_SDIO0_DETN	0x0	0x208	
+				>;
+			};
+
 			pinctrl_pwm: pwmgrp {
 				thead,pins = <
 					FM_GPIO3_2	0x1	0x208	/* pwm0 */
 					FM_GPIO3_3	0x1	0x208	/* pwm1 */
 				>;
 			};
+
+			pinctrl_hdmi: hdmigrp {
+				thead,pins = <
+					FM_HDMI_SCL	0x0	0x208	
+					FM_HDMI_SDA	0x0	0x208	
+					FM_HDMI_CEC	0x0	0x208
+				>;
+			};
+
+			pinctrl_gmac0: gmac0grp {
+				thead,pins = <
+					FM_GMAC0_TX_CLK	0x0	0x20f	/*	GMAC0_TX_CLK  */
+					FM_GMAC0_RX_CLK	0x0	0x20f	/*	GMAC0_RX_CLK  */
+					FM_GMAC0_TXEN	0x0	0x20f	/*	GMAC0_TXEN  */
+					FM_GMAC0_TXD0	0x0	0x20f	/*	GMAC0_TXD0  */
+					FM_GMAC0_TXD1	0x0	0x20f	/*	GMAC0_TXD1  */
+					FM_GMAC0_TXD2	0x0	0x20f	/*	GMAC0_TXD2  */
+					FM_GMAC0_TXD3	0x0	0x20f	/*	GMAC0_TXD3  */
+					FM_GMAC0_RXDV	0x0	0x20f	/*	GMAC0_RXDV  */
+					FM_GMAC0_RXD0	0x0	0x20f	/*	GMAC0_RXD0  */
+					FM_GMAC0_RXD1	0x0	0x20f	/*	GMAC0_RXD1  */
+					FM_GMAC0_RXD2	0x0	0x20f	/*	GMAC0_RXD2  */
+					FM_GMAC0_RXD3	0x0	0x20f	/*	GMAC0_RXD3  */
+					FM_GMAC0_MDC	0x0 0x208	/*	GMAC0_MDC  */
+					FM_GMAC0_MDIO	0x0 0x208	/*	GMAC0_MDIO  */
+					FM_GMAC0_COL	0x3	0x232	/*	PHY0_nRST  */
+					FM_GMAC0_CRS	0x3	0x232	/*	PHY0_nINT  */
+				>;
+			};
 		};
 };
 
@@ -786,22 +980,6 @@
 			 * Pin Configuration Node:
 			 * Format: <pin_id mux_node config>
 			 */
-			pinctrl_uart3: uart3grp {
-				thead,pins = <
-					FM_UART3_TXD	0x0	0x72
-					FM_UART3_RXD	0x0	0x72
-				>;
-			};
-
-			pinctrl_uart4: uart4grp {
-				thead,pins = <
-					FM_UART4_TXD	0x0	0x72
-					FM_UART4_RXD	0x0	0x72
-					FM_UART4_CTSN	0x0	0x72
-					FM_UART4_RTSN	0x0	0x72
-				>;
-			};
-
 			pinctrl_qspi1: qspi1grp {
 				thead,pins = <
 					FM_QSPI1_SCLK    0x0    0x20a
@@ -813,7 +991,6 @@
 				>;
 			};
 
-
 			pinctrl_iso7816: iso7816grp {
 				thead,pins = <
 					FM_QSPI1_SCLK		0x1	0x208
@@ -824,6 +1001,51 @@
 				>;
 			};
 
+			pinctrl_i2c0: i2c0grp {
+				thead,pins = <
+					FM_I2C0_SCL	0x0	0x204
+					FM_I2C0_SDA	0x0	0x204
+				>;
+			};
+
+			pinctrl_i2c1: i2c1grp {
+				thead,pins = <
+					FM_I2C1_SCL	0x0	0x204
+					FM_I2C1_SDA	0x0	0x204
+				>;
+			};
+
+			pinctrl_uart1: uart1grp {
+ 				thead,pins = <
+					FM_UART1_TXD	0x0	0x234
+					FM_UART1_RXD	0x0	0x234
+				>;
+			};
+
+			pinctrl_uart4: uart4grp {
+				thead,pins = <
+					FM_UART4_TXD	0x0	0x208
+					FM_UART4_RXD	0x0	0x208
+					FM_UART4_CTSN	0x0	0x208
+					FM_UART4_RTSN	0x0	0x208
+				>;
+			};
+
+			pinctrl_uart3: uart3grp {
+				thead,pins = <
+					FM_UART3_TXD	0x1	0x202
+					FM_UART3_RXD	0x1	0x202
+					FM_GPIO0_20		0x2	0x202	/*	UART3_IR_OUT  */
+					FM_GPIO0_21		0x2	0x202	/*	UART3_IR_IN  */
+				>;
+			};
+
+			pinctrl_i2c4: i2c4grp {
+				thead,pins = <
+					FM_GPIO0_18	0x1	0x204	/*	I2C4_SCL  */
+					FM_GPIO0_19	0x1	0x204	/*	I2C4_SDA  */
+				>;
+			};
 		};
 };
 
@@ -834,22 +1056,151 @@
 			 * Format: <pin_id mux_node config>
 			 */
 
-			pinctrl_audiopa1: audiopa1_grp {
+			pinctrl_audiopa0: audiopa0 {
-				thead,pins = <
+				thead,pins = < FM_AUDIO_PA0 LIGHT_PIN_FUNC_0 0x000 >;
-					FM_AUDIO_PA1	0x3	0x72
-				>;
 			};
-
+			pinctrl_audiopa1: audiopa1 {
-			pinctrl_audiopa2: audiopa2_grp {
+				thead,pins = < FM_AUDIO_PA1 LIGHT_PIN_FUNC_0 0x000 >;
-				thead,pins = <
+			};
-					FM_AUDIO_PA2	0x0	0x72
+			pinctrl_audiopa2: audiopa2 {
-				>;
+				thead,pins = < FM_AUDIO_PA2 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa3: audiopa3 {
+				thead,pins = < FM_AUDIO_PA3 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa4: audiopa4 {
+				thead,pins = < FM_AUDIO_PA4 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa5: audiopa5 {
+				thead,pins = < FM_AUDIO_PA5 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa6: audiopa6 {
+				thead,pins = < FM_AUDIO_PA6 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa7: audiopa7 {
+				thead,pins = < FM_AUDIO_PA7 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa8: audiopa8 {
+				thead,pins = < FM_AUDIO_PA8 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa9: audiopa9 {
+				thead,pins = < FM_AUDIO_PA9 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa10: audiopa10 {
+				thead,pins = < FM_AUDIO_PA10 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa11: audiopa11 {
+				thead,pins = < FM_AUDIO_PA11 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa12: audiopa12 {
+				thead,pins = < FM_AUDIO_PA12 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa13: audiopa13 {
+				thead,pins = < FM_AUDIO_PA13 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa14: audiopa14 {
+				thead,pins = < FM_AUDIO_PA14 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa15: audiopa15 {
+				thead,pins = < FM_AUDIO_PA15 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa16: audiopa16 {
+				thead,pins = < FM_AUDIO_PA16 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa17: audiopa17 {
+				thead,pins = < FM_AUDIO_PA17 LIGHT_PIN_FUNC_0 0x000 >;
 			};
 
 			pinctrl_volume: volume_grp {
 				thead,pins = <
-					FM_CPU_JTG_TDI  0x3     0x208
+					FM_CPU_JTG_TDI  0x3     0x238
-					FM_CPU_JTG_TDO  0x3     0x208
+					FM_CPU_JTG_TDO  0x3     0x238
+				>;
+			};
+	};
+};
+
+&padctrl_audiosys {
+
+	status = "okay";
+
+	light-audio-padctrl {
+			/*
+			 * Pin Configuration Node:
+			 * Format: <pin_id mux_node config>
+			 */
+
+			pinctrl_audio_i2c0: audio_i2c0_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA6		LIGHT_PIN_FUNC_0 0x004
+					FM_AUDIO_IO_PA7		LIGHT_PIN_FUNC_0 0x004
+				>;
+			};
+			pinctrl_audio_i2c1: audio_i2c1_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA13	LIGHT_PIN_FUNC_1 0x004
+					FM_AUDIO_IO_PA16	LIGHT_PIN_FUNC_3 0x004
+				>;
+			};
+			pinctrl_audio_i2s0: audio_i2s0_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA9	  LIGHT_PIN_FUNC_0 0x008
+					FM_AUDIO_IO_PA10   LIGHT_PIN_FUNC_0 0x008
+					FM_AUDIO_IO_PA11   LIGHT_PIN_FUNC_0 0x008
+					FM_AUDIO_IO_PA12   LIGHT_PIN_FUNC_0 0x008
+				>;
+			};
+			pinctrl_audio_i2s1: audio_i2s1_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA14   LIGHT_PIN_FUNC_0 0x008
+					FM_AUDIO_IO_PA15   LIGHT_PIN_FUNC_0 0x008
+					FM_AUDIO_IO_PA17   LIGHT_PIN_FUNC_0 0x008
+				>;
+			};
+			pinctrl_audio_i2s_8ch_bus: audio_i2s_8ch_bus_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA2	  LIGHT_PIN_FUNC_3 0x008
+					FM_AUDIO_IO_PA3   LIGHT_PIN_FUNC_3 0x008
+					FM_AUDIO_IO_PA8   LIGHT_PIN_FUNC_3 0x008
+				>;
+			};
+			pinctrl_audio_i2s_8ch_sd0: audio_i2s_8ch_sd0_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA4	  LIGHT_PIN_FUNC_3 0x008
+				>;
+			};
+			pinctrl_audio_i2s_8ch_sd1: audio_i2s_8ch_sd1_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA5   LIGHT_PIN_FUNC_3 0x008
+				>;
+			};
+			pinctrl_audio_i2s_8ch_sd2: audio_i2s_8ch_sd2_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA0	  LIGHT_PIN_FUNC_3 0x008
+				>;
+			};
+			pinctrl_audio_i2s_8ch_sd3: audio_i2s_8ch_sd3_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA1   LIGHT_PIN_FUNC_3 0x008
+				>;
+			};
+			pinctrl_audio_tdm: audio_tdm_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA27   LIGHT_PIN_FUNC_1 0x007
+					FM_AUDIO_IO_PA28   LIGHT_PIN_FUNC_1 0x007
+					FM_AUDIO_IO_PA29   LIGHT_PIN_FUNC_1 0x000
+				>;
+			};
+			pinctrl_audio_spdif0: audio_spdif0_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA21   LIGHT_PIN_FUNC_1 0x000
+					FM_AUDIO_IO_PA22   LIGHT_PIN_FUNC_1 0x007
+				>;
+			};
+			pinctrl_audio_spdif1: audio_spdif1_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA23   LIGHT_PIN_FUNC_1 0x007
+					FM_AUDIO_IO_PA24   LIGHT_PIN_FUNC_1 0x000
 				>;
 			};
 	};
@@ -858,6 +1209,8 @@
 &i2c2 {
     clock-frequency = <400000>;
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2>;
 	eeprom@50 {
 		compatible = "atmel,24c32";
 		reg = <0x50>;
@@ -868,6 +1221,8 @@
 &i2c3 {
     clock-frequency = <400000>;
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3>;
 	eeprom@50 {
 		compatible = "atmel,24c32";
 		reg = <0x50>;
@@ -878,6 +1233,8 @@
 &i2c4 {
     clock-frequency = <400000>;
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c4>;
 	eeprom@50 {
 		compatible = "atmel,24c32";
 		reg = <0x50>;
@@ -989,6 +1346,24 @@
 	status = "disabled";
 };
 
+
+&vvcam_sensor1 {
+	sensor_name = "OV5693";
+	sensor_regulators = "DOVDD18_RGB", "DVDD12_RGB", "AVDD28_RGB";
+	sensor_regulator_voltage_uV = <1800000 1200000 2800000>;
+	sensor_regulator_timing_us = <70 50 20>;
+	sensor_rst = <&gpio1_porta 16 0>;
+	sensor_pdn_delay_us = <4000>; //powerdown pin / shutdown pin actived till I2C ready
+	DOVDD18_RGB-supply = <&soc_dovdd18_rgb_reg>;
+	DVDD12_RGB-supply = <&soc_dvdd12_rgb_reg>;
+	AVDD28_RGB-supply = <&soc_avdd28_rgb_reg>;
+    i2c_reg_width = /bits/ 8 <2>;
+    i2c_data_width = /bits/ 8 <1>;
+    i2c_addr = /bits/ 8 <0x36>;
+	i2c_bus = /bits/ 8 <3>;
+	status = "okay";
+};
+
 &vvcam_sensor2 {
 	sensor_name = "GC5035";
 	sensor_regulators = "DOVDD18_SCAN", "DVDD12_SCAN", "AVDD28_SCAN";
@@ -1073,7 +1448,24 @@
 	status = "okay";
 };
 
+&vvcam_sensor7 {
+    sensor_name = "IMX334";
+    sensor_regulators = "DOVDD18_RGB", "DVDD12_RGB", "AVDD28_RGB";
+    sensor_regulator_timing_us = <70 50 20>;
+    sensor_rst = <&gpio1_porta 16 0>;
+    sensor_pdn_delay_us = <1000>; //powerdown pin / shutdown pin actived till I2C ready
+    DOVDD18_RGB-supply = <&soc_dovdd18_rgb_reg>;
+    DVDD12_RGB-supply = <&soc_dvdd12_rgb_reg>;
+    AVDD28_RGB-supply = <&soc_avdd28_rgb_reg>;
+    i2c_reg_width = /bits/ 8 <2>;
+    i2c_data_width = /bits/ 8 <1>;
+    i2c_addr = /bits/ 8 <0x1a>;
+    i2c_bus = /bits/ 8 <3>;
+    status = "okay";
+};
+
 &video0{
+	status = "okay";
 	vi_mem_pool_region = <2>;	// vi_mem: framebuffer, region[2]
 	channel0 {
 		sensor0 {
@@ -1160,6 +1552,7 @@
 
 
 &video1{
+	status = "okay";
 	vi_mem_pool_region = <2>;	// vi_mem: framebuffer, region[2]
 	channel0 {
 		sensor0 {
@@ -1263,6 +1656,7 @@
 };
 
 &video2{
+	status = "okay";
     vi_mem_pool_region = <0>;	// vi_mem: framebuffer, region[0]
 	channel0 {
 		sensor0 {
@@ -1279,13 +1673,20 @@
 			mode_idx = <0>;
 			path_type = "SENSOR_1600x1200_RAW10_LINER";
 		};
+		sensor2 {
+			subdev_name = "vivcam";
+			idx = <7>; //imx334
+			csi_idx = <0>; //<0>=CSI2
+			mode_idx = <0>;
+			path_type = "SENSOR_3840x2180_RAW12_LINER";
+		};
 		isp {
 			subdev_name = "isp";
 			idx = <1>;
 			path_type = "ISP_MI_PATH_MP";
 			output {
-				max_width = <1920>;
+				max_width = <3840>;
-				max_height = <1088>;
+				max_height = <2180>;
 				bit_per_pixel = <16>;
 				frame_count = <3>;
 			};
@@ -1348,6 +1749,7 @@
 };
 
 &video3{
+	status = "okay";
     vi_mem_pool_region = <0>;	// vi_mem: framebuffer, region[0]
 	channel0 {
 		sensor0 {
@@ -1451,6 +1853,7 @@
 };
 
 &video4{
+	status = "okay";
     vi_mem_pool_region = <0>;	// vi_mem: framebuffer, region[0]
 	channel0 {
 		sensor0 {
@@ -1602,6 +2005,7 @@
 };
 
 &video5{
+	status = "okay";
 	vi_mem_pool_region = <0>;	// vi_mem: framebuffer, region[0]
 	channel0 {
 		sensor0 {
@@ -1771,6 +2175,7 @@
 };
 
 &video6{
+	status = "okay";
 	vi_mem_pool_region = <1>;	// vi_mem: framebuffer, region[1]
 	channel0 {
 		sensor0 {
@@ -1811,6 +2216,7 @@
 };
 
 &video7{
+	status = "okay";
 	channel0 {
 		sensor0 {
 			subdev_name = "vivcam";
@@ -1980,6 +2386,7 @@
 
 
 &video8{
+	status = "okay";
     vi_mem_pool_region = <1>;	// vi_mem: framebuffer, region[1]
 	channel0 {
 		sensor0 {
@@ -2011,6 +2418,7 @@
 };
 
 &video9{
+	status = "okay";
 	channel0 {
 		sensor0 {
 			subdev_name = "vivcam";
@@ -2032,6 +2440,7 @@
 
 
 &video10{
+	status = "okay";
 	channel0 {
 		sensor0 {
 			subdev_name = "vivcam";
@@ -2053,6 +2462,7 @@
 };
 
 &video11{
+	status = "okay";
 	channel0 {
 		channel_id = <0>;
 		status = "okay";
@@ -2079,6 +2489,7 @@
 };
 
 &video12{ // TUNINGTOOL
+	status = "okay";
 	channel0 { // CSI2
 		sensor0 {
 			subdev_name = "vivcam";
@@ -2099,6 +2510,35 @@
 	};
 };
 
+&video15{
+	status = "okay";
+	vi_mem_pool_region = <0>;
+	channel0 {
+		channel_id = <0>;
+		status = "okay";
+        sensor0 {
+			subdev_name = "vivcam";
+			idx = <0>; //<0>=vivcam0 :2310 
+			csi_idx = <0>; //<0>=CSI2
+			flash_led_idx = <0>;
+			mode_idx = <1>;
+			path_type = "SENSOR_1920X1088_26FPS_RAW12_LINER";
+		};
+		sensor1 {
+            subdev_name = "vivcam";
+            idx = <7>; //imx334
+            csi_idx = <0>; //<0>=CSI2
+            mode_idx = <0>;
+            path_type = "SENSOR_3840x2180_RAW12_LINER";
+        };
+		dma {
+			subdev_name = "vipre";
+			idx = <0>;
+			path_type = "VIPRE_CSI0_DDR";
+		};
+	};
+};
+
 &trng {
 	status = "disabled";
 };
@@ -2138,6 +2578,44 @@
 	status = "okay";
 };
 
+&i2s0 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audiopa9>,
+                    <&pinctrl_audiopa10>,
+                    <&pinctrl_audiopa11>,
+                    <&pinctrl_audiopa12>,
+                    <&pinctrl_audio_i2s0>;
+};
+
+&i2s_8ch_sd0 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audiopa4>,
+                    <&pinctrl_audio_i2s_8ch_sd0>;
+};
+
+&i2s_8ch_sd1 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audiopa5>,
+                    <&pinctrl_audio_i2s_8ch_sd1>;
+};
+
+&i2s_8ch_sd2 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audiopa0>,
+                    <&pinctrl_audio_i2s_8ch_sd2>,
+                    <&pinctrl_audiopa2>,
+                    <&pinctrl_audiopa3>,
+                    <&pinctrl_audiopa8>,
+                    <&pinctrl_audio_i2s_8ch_bus>;
+};
+
+&i2s_8ch_sd3 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audiopa1>,
+                    <&pinctrl_audio_i2s_8ch_sd3>;
+};
+
+
 &cpus {
 	c910_0: cpu@0 {
 		operating-points = <
@@ -2206,3 +2684,8 @@
 		>;
 	};
 };
+
+&hdmi_tx {
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_hdmi>;
+};

arch/riscv/boot/dts/thead/light-ant-discrete.dts

@@ -15,7 +15,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 
 	chosen {
@@ -194,9 +194,10 @@
 	};
 
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
 		status = "okay";
+		sound-name-prefix = "DUMMY";
 	};
 
 	reg_vref_1v8: regulator-adc-verf {
@@ -581,24 +582,31 @@
         clock-frequency = <100000>;
         status = "okay";
 
-       es8156_audio_codec: es8156@8 {
+        es8156_audio_codec: es8156@8 {
-               #sound-dai-cells = <0>;
+                #sound-dai-cells = <0>;
-               compatible = "everest,es8156";
+                compatible = "everest,es8156";
-               reg = <0x08>;
+                reg = <0x08>;
-       };
+                sound-name-prefix = "ES8156";
+                AVDD-supply = <&soc_aud_3v3_en_reg>;
+                DVDD-supply = <&soc_aud_1v8_en_reg>;
+                PVDD-supply = <&soc_aud_1v8_en_reg>;
+        };
 
         es7210_audio_codec: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                sound-name-prefix = "ES7210";
+                status = "disabled";
         };
 
-	audio_aw87519_pa@58 {
+        audio_aw87519_pa: amp@58 {
-		compatible = "awinic,aw87519_pa";
+                compatible = "awinic,aw87519_pa";
-		reg = <0x58>;
+                reg = <0x58>;
-		reset-gpio = <&ao_gpio4_porta 9 0x1>;
+                reset-gpio = <&ao_gpio4_porta 9 0x1>;
-		status = "okay";
+                sound-name-prefix = "AW87519";
-	};
+                status = "okay";
+        };
 };
 
 &i2c1 {
@@ -731,6 +739,7 @@
 	no-mmc;
 	non-removable;
 	io_fixed_1v8;
+	rxclk-sample-delay = <80>;
 	post-power-on-delay-ms = <50>;
 	wprtn_ignore;
 	cap-sd-highspeed;
@@ -773,7 +782,7 @@
 				>;
 			};
 
-			pinctrl_audio_i2s0: i2s0grp {
+			pinctrl_light_i2s0: i2s0grp {
 				thead,pins = <
 					FM_QSPI0_SCLK    0x2    0x208
 					FM_QSPI0_CSN0    0x2    0x238
@@ -2091,6 +2100,11 @@
 
 &lightsound {
         status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -2105,7 +2119,7 @@
                 reg = <1>;
                 format = "i2s";
                 cpu {
-                        sound-dai = <&i2s3 0>;
+                        sound-dai = <&i2s_8ch_sd2 2>;
                 };
                 codec {
                         sound-dai = <&es7210_audio_codec>;
@@ -2118,7 +2132,7 @@
                         sound-dai = <&light_i2s 1>;
                 };
                 codec {
-                        sound-dai = <&dummy_codec 2>;
+                        sound-dai = <&dummy_codec>;
                 };
         };
 };
@@ -2135,7 +2149,7 @@
         status = "okay";
 };
 
-&i2s3 {
+&i2s_8ch_sd2 {
         status = "okay";
 };
 

arch/riscv/boot/dts/thead/light-ant-ref.dts

@@ -15,7 +15,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 
 	chosen {
@@ -166,6 +166,14 @@
 		iopmp_dsp1: IOPMP_DSP1 {
 			is_default_region;
 		};
+
+		iopmp_audio0: IOPMP_AUDIO0 {
+			is_default_region;
+		};
+
+		iopmp_audio1: IOPMP_AUDIO1 {
+			is_default_region;
+		};
 	};
 
 	mbox_910t_client1: mbox_910t_client1 {
@@ -194,9 +202,10 @@
 	};
 
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
 		status = "okay";
+		sound-name-prefix = "DUMMY";
 	};
 
 	reg_vref_1v8: regulator-adc-verf {
@@ -238,7 +247,8 @@
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		pinctrl-0 = <&pinctrl_volume>;
+		pinctrl-0 = <&pinctrl_volume_up
+				&pinctrl_volume_down>;
 		pinctrl-names = "default";
 		key-volumedown {
 			label = "Volume Down Key";
@@ -588,24 +598,31 @@
         clock-frequency = <100000>;
         status = "okay";
 
-       es8156_audio_codec: es8156@8 {
+        es8156_audio_codec: es8156@8 {
-               #sound-dai-cells = <0>;
+                #sound-dai-cells = <0>;
-               compatible = "everest,es8156";
+                compatible = "everest,es8156";
-               reg = <0x08>;
+                reg = <0x08>;
-       };
+                sound-name-prefix = "ES8156";
+                AVDD-supply = <&soc_aud_3v3_en_reg>;
+                DVDD-supply = <&soc_aud_1v8_en_reg>;
+                PVDD-supply = <&soc_aud_1v8_en_reg>;
+        };
 
         es7210_audio_codec: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                sound-name-prefix = "ES7210";
+                status = "disabled";
         };
 
-	audio_aw87519_pa@58 {
+        audio_aw87519_pa: amp@58 {
-		compatible = "awinic,aw87519_pa";
+                compatible = "awinic,aw87519_pa";
-		reg = <0x58>;
+                reg = <0x58>;
-		reset-gpio = <&ao_gpio4_porta 9 0x1>;
+                reset-gpio = <&ao_gpio4_porta 9 0x1>;
-		status = "okay";
+                sound-name-prefix = "AW87519";
-	};
+                status = "okay";
+        };
 };
 
 &i2c1 {
@@ -738,6 +755,7 @@
 	no-mmc;
 	non-removable;
 	io_fixed_1v8;
+	rxclk-sample-delay = <80>;
 	post-power-on-delay-ms = <50>;
 	wprtn_ignore;
 	cap-sd-highspeed;
@@ -780,7 +798,7 @@
 				>;
 			};
 
-			pinctrl_audio_i2s0: i2s0grp {
+			pinctrl_light_i2s0: i2s0grp {
 				thead,pins = <
 					FM_QSPI0_SCLK    0x2    0x208
 					FM_QSPI0_CSN0    0x2    0x238
@@ -797,6 +815,12 @@
 					FM_GPIO3_2	0x1	0x208	/* pwm0 */
 				>;
 			};
+
+			pinctrl_volume_up: volume_up_grp {
+				thead,pins = <
+					FM_GPIO2_25   0x0     0x238
+				>;
+			};
 		};
 };
 
@@ -842,9 +866,9 @@
 				>;
 			};
 
-			pinctrl_volume: volume_grp {
+			pinctrl_volume_down: volume_down_grp {
 				thead,pins = <
-					FM_CLK_OUT_2  0x3     0x208
+					FM_CLK_OUT_2  0x3     0x238
 				>;
 			};
 		};
@@ -2255,6 +2279,9 @@
 &hdmi_tx {
 	status = "okay";
 
+	max_width = /bits/ 16 <1280>;
+	max_height = /bits/ 16 <720>;
+
 	port@0 {
 		/* input */
 		hdmi_tx_in: endpoint {
@@ -2265,6 +2292,11 @@
 
 &lightsound {
         status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -2279,7 +2311,7 @@
                 reg = <1>;
                 format = "i2s";
                 cpu {
-                        sound-dai = <&i2s3 0>;
+                        sound-dai = <&i2s_8ch_sd2 2>;
                 };
                 codec {
                         sound-dai = <&es7210_audio_codec>;
@@ -2292,7 +2324,7 @@
                         sound-dai = <&light_i2s 1>;
                 };
                 codec {
-                        sound-dai = <&dummy_codec 2>;
+                        sound-dai = <&dummy_codec>;
                 };
         };
 };
@@ -2309,7 +2341,7 @@
         status = "okay";
 };
 
-&i2s3 {
+&i2s_8ch_sd2 {
         status = "okay";
 };
 

arch/riscv/boot/dts/thead/light-b-product-ddr1G.dts

@@ -11,7 +11,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x40000000>;
+		reg = <0x0 0x200000 0x0 0x3fe00000>;
 	};
 };
 

arch/riscv/boot/dts/thead/light-b-product-sec.dts

@@ -5,7 +5,7 @@
 
 /dts-v1/;
 
-#include "light-b-product.dts"
+#include "light-b-audio-hdmi.dts"
 
 
 

arch/riscv/boot/dts/thead/light-b-product.dts

@@ -15,7 +15,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 
 	chosen {
@@ -166,6 +166,14 @@
 		iopmp_dsp1: IOPMP_DSP1 {
 			is_default_region;
 		};
+
+		iopmp_audio0: IOPMP_AUDIO0 {
+			is_default_region;
+		};
+
+		iopmp_audio1: IOPMP_AUDIO1 {
+			is_default_region;
+		};
 	};
 
 	mbox_910t_client1: mbox_910t_client1 {
@@ -180,7 +188,8 @@
 		compatible = "thead,light-mbox-client";
 		mbox-names = "906";
 		mboxes = <&mbox_910t 2 0>;
-		status = "disabled";
+		audio-mbox-regmap = <&audio_mbox>;
+        status = "okay";
 	};
 
 	lightsound: lightsound@1 {
@@ -193,10 +202,25 @@
 		status = "disabled";
 	};
 
+	light_rpmsg: light_rpmsg {
+		compatible = "light,rpmsg-bus", "simple-bus";
+		memory-region = <&rpmsgmem>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		rpmsg: rpmsg{
+			vdev-nums = <1>;
+            reg = <0x0 0x1E000000 0 0x10000>;
+			compatible = "light,light-rpmsg";
+			status = "okay";
+		};
+	};
+
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
 		status = "okay";
+		sound-name-prefix = "DUMMY";
 	};
 
 	reg_vref_1v8: regulator-adc-verf {
@@ -223,6 +247,7 @@
 		ref-clock-frequency = <24000000>;
 		keep_wifi_power_on;
 		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_wifi>;
 		wifi_chip_type = "rtl8723ds";
 		WIFI,poweren_gpio = <&gpio2_porta 29 0>;
 		WIFI,reset_n = <&gpio2_porta 24 0>;
@@ -231,7 +256,8 @@
 
 	wcn_bt: wireless-bluetooth {
 		compatible = "bluetooth-platdata";
-		pinctrl-names = "default", "rts_gpio";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_bt>;
 		BT,power_gpio    = <&gpio2_porta 25 0>;
 		status = "okay";
 	};
@@ -242,12 +268,14 @@
 		pinctrl-names = "default";
 		key-volumedown {
 			label = "Volume Down Key";
+			wakeup-source;
 			linux,code = <KEY_VOLUMEDOWN>;
 			debounce-interval = <1>;
 			gpios = <&ao_gpio_porta 11 0x1>;
 		};
 		key-volumeup {
 			label = "Volume Up Key";
+			wakeup-source;
 			linux,code = <KEY_VOLUMEUP>;
 			debounce-interval = <1>;
 			gpios = <&ao_gpio_porta 10 0x1>;
@@ -270,6 +298,8 @@
 			regulator-name = "soc_aud_3v3_en";
 			regulator-min-microvolt = <3300000>;
 			regulator-max-microvolt = <3300000>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_audio_3v3_en>;
 			gpio = <&ao_gpio_porta 7 1>;
 			enable-active-high;
 			regulator-always-on;
@@ -280,6 +310,8 @@
 			regulator-name = "soc_aud_1v8_en";
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_audio_1v8_en>;
 			gpio = <&ao_gpio_porta 8 1>;
 			enable-active-high;
 			regulator-always-on;
@@ -569,7 +601,14 @@
 		reg = <0x0 0x17000000 0 0x02000000>;
 		no-map;
 	};
-
+	audio_mem: memory@32000000 {
+		reg = <0x0 0x32000000 0x0 0x6400000>;
+		no-map;
+    };
+	rpmsgmem: memory@1E000000 {
+		reg = <0x0 0x1E000000 0x0 0x10000>;
+		no-map;
+	};
 
 };
 
@@ -600,23 +639,43 @@
 &audio_i2c0 {
         clock-frequency = <100000>;
         status = "okay";
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audiopa6>,
+                    <&pinctrl_audiopa7>,
+                    <&pinctrl_audio_i2c0>;
 
-       es8156_audio_codec: es8156@8 {
+        es8156_audio_codec: es8156@8 {
-               #sound-dai-cells = <0>;
+                #sound-dai-cells = <0>;
-               compatible = "everest,es8156";
+                compatible = "everest,es8156";
-               reg = <0x08>;
+                reg = <0x08>;
-       };
+                sound-name-prefix = "ES8156";
+                AVDD-supply = <&soc_aud_3v3_en_reg>;
+                DVDD-supply = <&soc_aud_1v8_en_reg>;
+                PVDD-supply = <&soc_aud_1v8_en_reg>;
+                mclk-sclk-ratio = <4>;
+        };
 
         es7210_audio_codec: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                work-mode = "ES7210_NORMAL_I2S";
+                channels-max = <2>;
+				mclk-sclk-ratio = <4>;
+                sound-name-prefix = "ES7210_ADC0";
+                MVDD-supply = <&soc_aud_3v3_en_reg>;
+                AVDD-supply = <&soc_aud_3v3_en_reg>;
+                DVDD-supply = <&soc_aud_1v8_en_reg>;
+                PVDD-supply = <&soc_aud_1v8_en_reg>;
         };
 
-	audio_aw87519_pa@58 {
+	audio_aw87519_pa: amp@58 {
 		compatible = "awinic,aw87519_pa";
 		reg = <0x58>;
+		pingctrl-names = "default";
+		pinctrl-0 = <&pinctrl_audio_pa_rst0>;
 		reset-gpio = <&ao_gpio4_porta 9 0x1>;
+		sound-name-prefix = "AW87519";
 		status = "okay";
 	};
 };
@@ -652,6 +711,23 @@
 
 &uart0 {
 	clock-frequency = <100000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart0>;
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart3>;
+};
+
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart4>;
 };
 
 &qspi0 {
@@ -697,6 +773,8 @@
 	tx-clk-delay = <0x00>; /* for RGMII */
 	phy-handle = <&phy_88E1111_0>;
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gmac0>;
 
 	mdio0 {
 		#address-cells = <1>;
@@ -740,6 +818,8 @@
 	pull_up;
 	wprtn_ignore;
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sdio0>;
 };
 
 &sdhci1 {
@@ -750,6 +830,7 @@
 	no-mmc;
 	non-removable;
 	io_fixed_1v8;
+	rxclk-sample-delay = <80>;
 	post-power-on-delay-ms = <50>;
 	wprtn_ignore;
 	cap-sd-highspeed;
@@ -766,17 +847,8 @@
 			 */
 			pinctrl_uart0: uart0grp {
 				thead,pins = <
-					FM_UART0_TXD	0x0	0x72
+					FM_UART0_TXD	0x0	0x234
-					FM_UART0_RXD	0x0	0x72
+					FM_UART0_RXD	0x0	0x234
-				>;
-			};
-
-			pinctrl_spi0: spi0grp {
-				thead,pins = <
-					FM_SPI_CSN	0x3	0x20a
-					FM_SPI_SCLK	0x0	0x20a
-					FM_SPI_MISO	0x0	0x23a
-					FM_SPI_MOSI	0x0	0x23a
 				>;
 			};
 
@@ -792,7 +864,7 @@
 				>;
 			};
 
-			pinctrl_audio_i2s0: i2s0grp {
+			pinctrl_light_i2s0: i2s0grp {
 				thead,pins = <
 					FM_QSPI0_SCLK    0x2    0x208
 					FM_QSPI0_CSN0    0x2    0x238
@@ -804,9 +876,81 @@
 				>;
 			};
 
+			pinctrl_i2c2: i2c2grp {
+				thead,pins = <
+					FM_I2C2_SCL	0x0	0x204
+					FM_I2C2_SDA	0x0	0x204
+				>;
+			};
+
+			pinctrl_i2c3: i2c3grp {
+				thead,pins = <
+					FM_I2C3_SCL	0x0	0x204
+					FM_I2C3_SDA	0x0	0x204
+				>;
+			};	
+
+			pinctrl_spi0: spi0grp {
+				thead,pins = <
+					FM_SPI_CSN	0x3	0x20a
+					FM_SPI_SCLK	0x0	0x20a
+					FM_SPI_MISO	0x0	0x23a
+					FM_SPI_MOSI	0x0	0x23a
+				>;
+			};
+
+			pinctrl_wifi: wifi_grp {
+				thead,pins = <
+					FM_GPIO2_22	0x0	0x202
+					FM_GPIO2_24	0x0	0x202
+				>;
+			};
+
+			pinctrl_bt: bt_grp {
+				thead,pins = <
+					FM_GPIO2_23	0x0	0x202
+					FM_GPIO2_25	0x0	0x202
+				>;
+			};
+
+			pinctrl_sdio0: sdio0grp {
+				thead,pins = <
+					FM_SDIO0_DETN	0x0	0x208
+				>;
+			};
+
 			pinctrl_pwm: pwmgrp {
 				thead,pins = <
-					FM_GPIO3_2	0x1	0x208	/* pwm0 */
+					FM_GPIO3_2	0x1	0x20f	/* pwm0 */
+				>;
+			};
+
+			pinctrl_hdmi: hdmigrp {
+				thead,pins = <
+					FM_HDMI_SCL	0x0	0x208
+					FM_HDMI_SDA	0x0	0x208
+					FM_HDMI_CEC	0x0	0x208
+				>;
+			};
+
+			pinctrl_gmac0: gmac0grp {
+				thead,pins = <
+					FM_GMAC0_TX_CLK	0x0	0x20f	/*	GMAC0_TX_CLK  */
+					FM_GMAC0_RX_CLK	0x0	0x20f	/*	GMAC0_RX_CLK  */
+					FM_GMAC0_TXEN	0x0	0x20f	/*	GMAC0_TXEN  */
+					FM_GMAC0_TXD0	0x0	0x20f	/*	GMAC0_TXD0  */
+					FM_GMAC0_TXD1	0x0	0x20f	/*	GMAC0_TXD1  */
+					FM_GMAC0_TXD2	0x0	0x20f	/*	GMAC0_TXD2  */
+					FM_GMAC0_TXD3	0x0	0x20f	/*	GMAC0_TXD3  */
+					FM_GMAC0_RXDV	0x0	0x20f	/*	GMAC0_RXDV  */
+					FM_GMAC0_RXD0	0x0	0x20f	/*	GMAC0_RXD0  */
+					FM_GMAC0_RXD1	0x0	0x20f	/*	GMAC0_RXD1  */
+					FM_GMAC0_RXD2	0x0	0x20f	/*	GMAC0_RXD2  */
+					FM_GMAC0_RXD3	0x0	0x20f	/*	GMAC0_RXD3  */
+					FM_GMAC0_MDC	0x0 0x208	/*	GMAC0_MDC  */
+					FM_GMAC0_MDIO	0x0 0x208	/*	GMAC0_MDIO  */
+					FM_GMAC0_COL	0x3	0x232	/*	PHY0_nRST  */
+					FM_GMAC0_CRS	0x3	0x232	/*	PHY0_nINT  */
 				>;
 			};
 		};
@@ -818,22 +962,6 @@
 			 * Pin Configuration Node:
 			 * Format: <pin_id mux_node config>
 			 */
-			pinctrl_uart3: uart3grp {
-				thead,pins = <
-					FM_UART3_TXD	0x0	0x72
-					FM_UART3_RXD	0x0	0x72
-				>;
-			};
-
-			pinctrl_uart4: uart4grp {
-				thead,pins = <
-					FM_UART4_TXD	0x0	0x72
-					FM_UART4_RXD	0x0	0x72
-					FM_UART4_CTSN	0x0	0x72
-					FM_UART4_RTSN	0x0	0x72
-				>;
-			};
-
 			pinctrl_qspi1: qspi1grp {
 				thead,pins = <
 					FM_QSPI1_SCLK    0x0    0x20a
@@ -845,7 +973,6 @@
 				>;
 			};
 
-
 			pinctrl_iso7816: iso7816grp {
 				thead,pins = <
 					FM_QSPI1_SCLK		0x1	0x208
@@ -856,6 +983,49 @@
 				>;
 			};
 
+			pinctrl_i2c0: i2c0grp {
+				thead,pins = <
+					FM_I2C0_SCL	0x0	0x204
+					FM_I2C0_SDA	0x0	0x204
+				>;
+			};
+
+			pinctrl_i2c1: i2c1grp {
+				thead,pins = <
+					FM_I2C1_SCL	0x0	0x204
+					FM_I2C1_SDA	0x0	0x204
+				>;
+			};
+
+			pinctrl_uart1: uart1grp {
+ 				thead,pins = <
+					FM_UART1_TXD	0x0	0x234
+					FM_UART1_RXD	0x0	0x234
+				>;
+			};
+
+			pinctrl_uart4: uart4grp {
+				thead,pins = <
+					FM_UART4_TXD	0x0	0x208
+					FM_UART4_RXD	0x0	0x208
+					FM_UART4_CTSN	0x0	0x208
+					FM_UART4_RTSN	0x0	0x208
+				>;
+			};
+
+			pinctrl_uart3: uart3grp {
+				thead,pins = <
+					FM_UART3_TXD	0x1	0x202
+					FM_UART3_RXD	0x1	0x202
+				>;
+			};
+
+			pinctrl_i2c4: i2c4grp {
+				thead,pins = <
+					FM_GPIO0_18	0x1	0x204	/*	I2C4_SCL  */
+					FM_GPIO0_19	0x1	0x204	/*	I2C4_SDA  */
+				>;
+			};
 		};
 };
 
@@ -866,50 +1036,136 @@
 			 * Format: <pin_id mux_node config>
 			 */
 
-			pinctrl_audiopa1: audiopa1_grp {
+			pinctrl_audiopa0: audiopa0 {
-				thead,pins = <
+				thead,pins = < FM_AUDIO_PA0 LIGHT_PIN_FUNC_0 0x000 >;
-					FM_AUDIO_PA1	0x3	0x72
-				>;
 			};
-
+			pinctrl_audiopa1: audiopa1 {
-			pinctrl_audiopa2: audiopa2_grp {
+				thead,pins = < FM_AUDIO_PA1 LIGHT_PIN_FUNC_0 0x000 >;
-				thead,pins = <
+			};
-					FM_AUDIO_PA2	0x0	0x72
+			pinctrl_audiopa2: audiopa2 {
-				>;
+				thead,pins = < FM_AUDIO_PA2 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa3: audiopa3 {
+				thead,pins = < FM_AUDIO_PA3 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa6: audiopa6 {
+				thead,pins = < FM_AUDIO_PA6 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa7: audiopa7 {
+				thead,pins = < FM_AUDIO_PA7 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa8: audiopa8 {
+				thead,pins = < FM_AUDIO_PA8 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audio_pa_rst0: audio_pa_rst0 {
+				thead,pins = < FM_AUDIO_PA9 LIGHT_PIN_FUNC_3 0x000 >;
+			};
+			pinctrl_audiopa13: audiopa13 {
+				thead,pins = < FM_AUDIO_PA13 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa14: audiopa14 {
+				thead,pins = < FM_AUDIO_PA14 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa15: audiopa15 {
+				thead,pins = < FM_AUDIO_PA15 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audiopa17: audiopa17 {
+				thead,pins = < FM_AUDIO_PA17 LIGHT_PIN_FUNC_0 0x000 >;
+			};
+			pinctrl_audio_3v3_en: audio_3v3_en {
+				thead,pins = < FM_AOGPIO_7 LIGHT_PIN_FUNC_3 0x008 >;
+			};
+			pinctrl_audio_1v8_en: audio_1v8_en {
+				thead,pins = < FM_AOGPIO_8 LIGHT_PIN_FUNC_3 0x008 >;
 			};
 
 			pinctrl_volume: volume_grp {
 				thead,pins = <
-					FM_AOGPIO_11  0x0     0x208
+					FM_AOGPIO_11  0x0     0x238
-					FM_AOGPIO_10  0x3     0x208
+					FM_AOGPIO_10  0x3     0x238
 				>;
 			};
 	};
 };
 
+&padctrl_audiosys {
+
+	status = "okay";
+
+	light-audio-padctrl {
+			/*
+			 * Pin Configuration Node:
+			 * Format: <pin_id mux_node config>
+			 */
+
+			pinctrl_audio_i2c0: audio_i2c0_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA6		LIGHT_PIN_FUNC_0 0x004
+					FM_AUDIO_IO_PA7		LIGHT_PIN_FUNC_0 0x004
+				>;
+			};
+			pinctrl_audio_i2s1: audio_i2s1_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA13   LIGHT_PIN_FUNC_0 0x008
+					FM_AUDIO_IO_PA14   LIGHT_PIN_FUNC_0 0x008
+					FM_AUDIO_IO_PA15   LIGHT_PIN_FUNC_0 0x008
+					FM_AUDIO_IO_PA17   LIGHT_PIN_FUNC_0 0x008
+				>;
+			};
+			pinctrl_audio_i2s_8ch_bus: audio_i2s_8ch_bus_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA2	  LIGHT_PIN_FUNC_3 0x008
+					FM_AUDIO_IO_PA3   LIGHT_PIN_FUNC_3 0x008
+					FM_AUDIO_IO_PA8   LIGHT_PIN_FUNC_3 0x008
+				>;
+			};
+			pinctrl_audio_i2s_8ch_sd2: audio_i2s_8ch_sd2_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA0	  LIGHT_PIN_FUNC_3 0x008
+				>;
+			};
+			pinctrl_audio_i2s_8ch_sd3: audio_i2s_8ch_sd3_grp {
+				thead,pins = <
+					FM_AUDIO_IO_PA1   LIGHT_PIN_FUNC_3 0x008
+				>;
+			};
+	};
+};
+
+
 &i2c0 {
 	clock-frequency = <400000>;
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c0>;
 };
 
 &i2c1 {
 	clock-frequency = <400000>;
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c1>;
 };
 
 &i2c2 {
 	clock-frequency = <400000>;
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2>;
 };
 
 &i2c3 {
 	clock-frequency = <400000>;
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3>;
 };
 
 &i2c4 {
 	clock-frequency = <400000>;
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c4>;
 };
 
 &isp0 {
@@ -1000,30 +1256,21 @@
 	status = "okay";
 };
 
-/*
+&vvcam_sensor1 {
-&vvcam_sensor0 {
+       sensor_name = "OV5693";
-	sensor_name = "IMX334";
+       sensor_regulators = "DOVDD18_RGB", "DVDD12_RGB", "AVDD28_RGB";
-	sensor_regulators = "DOVDD18_RGB", "DVDD12_RGB", "AVDD28_RGB";
+       sensor_regulator_voltage_uV = <1800000 1200000 2800000>;
-	sensor_regulator_timing_us = <70 50 20>;
+       sensor_regulator_timing_us = <70 50 20>;
-	sensor_rst = <&gpio1_porta 16 0>;
+       sensor_rst = <&gpio1_porta 16 0>;
-	sensor_pdn_delay_us = <1000>; //powerdown pin / shutdown pin actived till I2C ready
+       sensor_pdn_delay_us = <4000>; //powerdown pin / shutdown pin actived till I2C ready
-	DOVDD18_RGB-supply = <&soc_dovdd18_rgb_reg>;
+       DOVDD18_RGB-supply = <&soc_dovdd18_rgb_reg>;
-	DVDD12_RGB-supply = <&soc_dvdd12_rgb_reg>;
+       DVDD12_RGB-supply = <&soc_dvdd12_rgb_reg>;
-	AVDD28_RGB-supply = <&soc_avdd28_rgb_reg>;
+       AVDD28_RGB-supply = <&soc_avdd28_rgb_reg>;
     i2c_reg_width = /bits/ 8 <2>;
     i2c_data_width = /bits/ 8 <1>;
-    i2c_addr = /bits/ 8 <0x1a>;
+    i2c_addr = /bits/ 8 <0x36>;
-	i2c_bus = /bits/ 8 <3>;
+       i2c_bus = /bits/ 8 <3>;
-	status = "okay";
+       status = "okay";
-};
-*/
-
-&vvcam_sensor1 {
-	sensor_name = "OV5693";
-	i2c_bus = /bits/ 8 <3>;
-	i2c_reg_width = /bits/ 8 <1>;
-	i2c_data_width = /bits/ 8 <1>;
-	status = "disabled";
 };
 
 &vvcam_sensor2 {
@@ -1108,7 +1355,24 @@
 	status = "okay";
 };
 
+&vvcam_sensor7 {
+    sensor_name = "IMX334";
+    sensor_regulators = "DOVDD18_RGB", "DVDD12_RGB", "AVDD28_RGB";
+    sensor_regulator_timing_us = <70 50 20>;
+    sensor_rst = <&gpio1_porta 16 0>;
+    sensor_pdn_delay_us = <1000>; //powerdown pin / shutdown pin actived till I2C ready
+    DOVDD18_RGB-supply = <&soc_dovdd18_rgb_reg>;
+    DVDD12_RGB-supply = <&soc_dvdd12_rgb_reg>;
+    AVDD28_RGB-supply = <&soc_avdd28_rgb_reg>;
+	i2c_reg_width = /bits/ 8 <2>;
+    i2c_data_width = /bits/ 8 <1>;
+    i2c_addr = /bits/ 8 <0x1a>;
+    i2c_bus = /bits/ 8 <3>;
+    status = "okay";
+};
+
 &video0{
+	status = "okay";
 	vi_mem_pool_region = <2>;	// vi_mem: framebuffer, region[2]
 	channel0 {
 		sensor0 {
@@ -1195,6 +1459,7 @@
 
 
 &video1{
+	status = "okay";
 	vi_mem_pool_region = <2>;	// vi_mem: framebuffer, region[2]
 	channel0 {
 		sensor0 {
@@ -1298,6 +1563,7 @@
 };
 
 &video2{
+	status = "okay";
     vi_mem_pool_region = <0>;	// vi_mem: framebuffer, region[0]
 	channel0 {
 		sensor0 {
@@ -1383,6 +1649,7 @@
 };
 
 &video3{
+	status = "okay";
     vi_mem_pool_region = <0>;	// vi_mem: framebuffer, region[0]
 	channel0 {
 		sensor0 {
@@ -1486,6 +1753,7 @@
 };
 
 &video4{
+	status = "okay";
     vi_mem_pool_region = <0>;	// vi_mem: framebuffer, region[0]
 	channel0 {
 		sensor0 {
@@ -1637,6 +1905,7 @@
 };
 
 &video5{
+	status = "okay";
 	vi_mem_pool_region = <0>;	// vi_mem: framebuffer, region[0]
 	channel0 {
 		sensor0 {
@@ -1806,6 +2075,7 @@
 };
 
 &video6{
+	status = "okay";
 	vi_mem_pool_region = <1>;	// vi_mem: framebuffer, region[1]
 	channel0 {
 		sensor0 {
@@ -1847,6 +2117,7 @@
 };
 
 &video7{
+	status = "okay";
 	channel0 {
 		sensor0 {
 			subdev_name = "vivcam";
@@ -2016,6 +2287,7 @@
 
 
 &video8{
+	status = "okay";
 	vi_mem_pool_region = <1>;	// vi_mem: framebuffer, region[1]
     channel0 {
 		sensor0 {
@@ -2047,6 +2319,7 @@
 };
 
 &video9{
+	status = "okay";
 	channel0 {
 		sensor0 {
 			subdev_name = "vivcam";
@@ -2068,6 +2341,7 @@
 
 
 &video10{ // TUNINGTOOL
+	status = "okay";
 	channel0 {
 		sensor0 {
 			subdev_name = "vivcam";
@@ -2089,6 +2363,7 @@
 };
 
 &video11{
+	status = "okay";
 	channel0 { 
 		channel_id = <0>;
 		status = "okay";
@@ -2115,6 +2390,7 @@
 };
 
 &video12{ // TUNINGTOOL
+	status = "okay";
 	channel0 { // CSI2
 		sensor0 {
 			subdev_name = "vivcam";
@@ -2136,6 +2412,7 @@
 };
 
 &video14{
+	status = "okay";
     vi_mem_pool_region = <2>;	// vi_mem: framebuffer, region[0]
 	status = "okay";
 	channel0 {
@@ -2302,6 +2579,8 @@
 
 &hdmi_tx {
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hdmi>;
 
 	port@0 {
 		/* input */
@@ -2313,6 +2592,11 @@
 
 &lightsound {
         status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -2327,7 +2611,7 @@
                 reg = <1>;
                 format = "i2s";
                 cpu {
-                        sound-dai = <&i2s3 0>;
+                        sound-dai = <&i2s_8ch_sd2 2>;
                 };
                 codec {
                         sound-dai = <&es7210_audio_codec>;
@@ -2340,7 +2624,7 @@
                         sound-dai = <&light_i2s 1>;
                 };
                 codec {
-                        sound-dai = <&dummy_codec 2>;
+                        sound-dai = <&dummy_codec>;
                 };
         };
 };
@@ -2355,10 +2639,29 @@
 
 &i2s1 {
         status = "okay";
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audiopa13>,
+                    <&pinctrl_audiopa14>,
+                    <&pinctrl_audiopa15>,
+                    <&pinctrl_audiopa17>,
+                    <&pinctrl_audio_i2s1>;
 };
 
-&i2s3 {
+&i2s_8ch_sd2 {
         status = "okay";
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audiopa0>,
+                    <&pinctrl_audio_i2s_8ch_sd2>,
+                    <&pinctrl_audiopa2>,
+                    <&pinctrl_audiopa3>,
+                    <&pinctrl_audiopa8>,
+                    <&pinctrl_audio_i2s_8ch_bus>;
+};
+
+&i2s_8ch_sd3 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_audiopa1>,
+                    <&pinctrl_audio_i2s_8ch_sd3>;
 };
 
 &cpus {

arch/riscv/boot/dts/thead/light-beagle-ref.dts

@@ -15,7 +15,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 
 	chosen {
@@ -166,6 +166,14 @@
 		iopmp_dsp1: IOPMP_DSP1 {
 			is_default_region;
 		};
+
+		iopmp_audio0: IOPMP_AUDIO0 {
+			is_default_region;
+		};
+
+		iopmp_audio1: IOPMP_AUDIO1 {
+			is_default_region;
+		};
 	};
 
 	mbox_910t_client1: mbox_910t_client1 {
@@ -194,9 +202,10 @@
 	};
 
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
 		status = "okay";
+		sound-name-prefix = "DUMMY";
 	};
 
 	reg_vref_1v8: regulator-adc-verf {
@@ -569,24 +578,34 @@
         clock-frequency = <100000>;
         status = "okay";
 
-       es8156_audio_codec: es8156@8 {
+        es8156_audio_codec: es8156@8 {
-               #sound-dai-cells = <0>;
+                #sound-dai-cells = <0>;
-               compatible = "everest,es8156";
+                compatible = "everest,es8156";
-               reg = <0x08>;
+                reg = <0x08>;
-       };
+                sound-name-prefix = "ES8156";
+                AVDD-supply = <&soc_aud_3v3_en_reg>;
+                DVDD-supply = <&soc_aud_1v8_en_reg>;
+                PVDD-supply = <&soc_aud_1v8_en_reg>;
+        };
 
         es7210_audio_codec: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                sound-name-prefix = "ES7210";
+                MVDD-supply = <&soc_aud_3v3_en_reg>;
+                AVDD-supply = <&soc_aud_3v3_en_reg>;
+                DVDD-supply = <&soc_aud_1v8_en_reg>;
+                PVDD-supply = <&soc_aud_1v8_en_reg>;
         };
 
-	audio_aw87519_pa@58 {
+        audio_aw87519_pa: amp@58 {
-		compatible = "awinic,aw87519_pa";
+                compatible = "awinic,aw87519_pa";
-		reg = <0x58>;
+                reg = <0x58>;
-		reset-gpio = <&ao_gpio4_porta 9 0x1>;
+                reset-gpio = <&ao_gpio4_porta 9 0x1>;
-		status = "okay";
+                sound-name-prefix = "AW87519";
-	};
+                status = "okay";
+        };
 };
 
 &i2c1 {
@@ -719,6 +738,7 @@
 	no-mmc;
 	non-removable;
 	io_fixed_1v8;
+	rxclk-sample-delay = <80>;
 	post-power-on-delay-ms = <50>;
 	wprtn_ignore;
 	cap-sd-highspeed;
@@ -761,7 +781,7 @@
 				>;
 			};
 
-			pinctrl_audio_i2s0: i2s0grp {
+			pinctrl_light_i2s0: i2s0grp {
 				thead,pins = <
 					FM_QSPI0_SCLK    0x2    0x208
 					FM_QSPI0_CSN0    0x2    0x238
@@ -2249,6 +2269,11 @@
 
 &lightsound {
         status = "okay";
+        simple-audio-card,widgets = "Speaker", "Speaker";
+        simple-audio-card,routing = 
+        	"Speaker", "AW87519 VO",
+        	"AW87519 IN", "ES8156 ROUT";
+        simple-audio-card,aux-devs = <&audio_aw87519_pa>;
         simple-audio-card,dai-link@0 {          /* I2S - AUDIO SYS CODEC 8156*/
                 reg = <0>;
                 format = "i2s";
@@ -2263,7 +2288,7 @@
                 reg = <1>;
                 format = "i2s";
                 cpu {
-                        sound-dai = <&i2s3 0>;
+                        sound-dai = <&i2s_8ch_sd2 2>;
                 };
                 codec {
                         sound-dai = <&es7210_audio_codec>;
@@ -2276,7 +2301,7 @@
                         sound-dai = <&light_i2s 1>;
                 };
                 codec {
-                        sound-dai = <&dummy_codec 2>;
+                        sound-dai = <&dummy_codec>;
                 };
         };
 };
@@ -2293,7 +2318,7 @@
         status = "okay";
 };
 
-&i2s3 {
+&i2s_8ch_sd2 {
         status = "okay";
 };
 

arch/riscv/boot/dts/thead/light-crash.dts

@@ -163,6 +163,14 @@
 		iopmp_dsp1: IOPMP_DSP1 {
 			is_default_region;
 		};
+
+		iopmp_audio0: IOPMP_AUDIO0 {
+			is_default_region;
+		};
+
+		iopmp_audio1: IOPMP_AUDIO1 {
+			is_default_region;
+		};
 	};
 
 	mbox_910t_client1: mbox_910t_client1 {
@@ -191,8 +199,9 @@
 	};
 
 	dummy_codec: dummy_codec {
-		#sound-dai-cells = <1>;
+		#sound-dai-cells = <0>;
-		compatible = "linux,bt-sco";
+		compatible = "thead,light-dummy-pcm";
+		sound-name-prefix = "DUMMY";
 		status = "okay";
 	};
 
@@ -341,18 +350,23 @@
                #sound-dai-cells = <0>;
                compatible = "everest,es8156";
                reg = <0x08>;
+               sound-name-prefix = "ES8156";
+               status = "disabled";
        };
 
         es7210_audio_codec: es7210@40 {
                 #sound-dai-cells = <0>;
                 compatible = "MicArray_0";
                 reg = <0x40>;
+                sound-name-prefix = "ES7210";
+                status = "disabled";
         };
 
-	audio_aw87519_pa@58 {
+	audio_aw87519_pa: amp@58 {
 		compatible = "awinic,aw87519_pa";
 		reg = <0x58>;
 		reset-gpio = <&ao_gpio4_porta 9 0x1>;
+		sound-name-prefix = "AW87519";
 		status = "okay";
 	};
 };
@@ -488,6 +502,7 @@
 	no-mmc;
 	non-removable;
 	io_fixed_1v8;
+	rxclk-sample-delay = <80>;
 	post-power-on-delay-ms = <50>;
 	wprtn_ignore;
 	cap-sd-highspeed;
@@ -530,7 +545,7 @@
 				>;
 			};
 
-			pinctrl_audio_i2s0: i2s0grp {
+			pinctrl_light_i2s0: i2s0grp {
 				thead,pins = <
 					FM_QSPI0_SCLK    0x2    0x208
 					FM_QSPI0_CSN0    0x2    0x238
@@ -862,22 +877,6 @@
         status = "disabled";
 };
 
-&light_i2s {
-        status = "okay";
-};
-
-&i2s0 {
-        status = "okay";
-};
-
-&i2s1 {
-        status = "okay";
-};
-
-&i2s3 {
-        status = "okay";
-};
-
 &khvhost {
 	status = "disabled";
 };

arch/riscv/boot/dts/thead/light-emu.dtsi

@@ -309,7 +309,7 @@
 			entry-cnt = <4>;
 			control-reg = <0xff 0xff015004>;
 			control-val = <0x1c>;
-			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc>;
+			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc 0x7ce>;
 		};
 
 		clint0: clint@ffdc000000 {

arch/riscv/boot/dts/thead/light-evb.dtsi

@@ -318,7 +318,7 @@
 			entry-cnt = <4>;
 			control-reg = <0xff 0xff015004>;
 			control-val = <0x1c>;
-			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc>;
+			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc 0x7ce>;
 		};
 
 		clint0: clint@ffdc000000 {
@@ -1193,8 +1193,7 @@
 
 		emmc: sdhci@ffe7080000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7080000 0x0 0x10000
+			reg = <0xff 0xe7080000 0x0 0x10000>;
-			       0xff 0xef014060 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <62>;
 			interrupt-names = "sdhciirq";
@@ -1204,8 +1203,7 @@
 
 		sdhci0: sd@ffe7090000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7090000 0x0 0x10000
+			reg = <0xff 0xe7090000 0x0 0x10000>;
-			       0xff 0xef014064 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <64>;
 			interrupt-names = "sdhci0irq";
@@ -1215,8 +1213,7 @@
 
 		sdhci1: sd@ffe70a0000 {
 		        compatible = "snps,dwcmshc-sdhci";
-		        reg = <0xff 0xe70a0000 0x0 0x10000
+		        reg = <0xff 0xe70a0000 0x0 0x10000>;
-		               0xff 0xef014064 0x0 0x4>;
 		        interrupt-parent = <&intc>;
 		        interrupts = <71>;
 		        interrupt-names = "sdhci1irq";
@@ -1302,7 +1299,7 @@
 			compatible = "light,light-i2s";
 			reg = <0xff 0xe7034000 0x0 0x4000>;
 			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_audio_i2s0>;
+			pinctrl-0 = <&pinctrl_light_i2s0>;
 			light,mode = "i2s-master";
 			interrupt-parent = <&intc>;
 			interrupts = <70>;

arch/riscv/boot/dts/thead/light-fm-emu.dts

@@ -185,7 +185,7 @@
 				sound-dai = <&light_i2s 0>;
 			};
 			codec {
-				sound-dai = <&dummy_codec 2>;
+				sound-dai = <&dummy_codec>;
 			};
 		};
 
@@ -196,7 +196,7 @@
 				sound-dai = <&light_i2s 1>;
 			};
 			codec {
-				sound-dai = <&dummy_codec 2>;
+				sound-dai = <&dummy_codec>;
 			};
 		};
 	};

arch/riscv/boot/dts/thead/light-lpi4a-camera-tuning.dts

@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */	
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+
+/dts-v1/;
+
+#include "light-lpi4a.dts"
+
+
+
+&video10{ // TUNINGTOOL
+	status = "okay";
+	channel0 {
+		sensor1 {
+			subdev_name = "vivcam";
+			idx = <3>;
+			csi_idx = <0>;
+			mode_idx = <1>; // 0=640 480 1=2592x1944
+			path_type = "SENSOR_2592x1944_LINER";
+		};
+        dma {
+			path_type = "VIPRE_CSI0_ISP0";
+		};
+	};
+};
+
+&video15{
+    status = "okay";
+    vi_mem_pool_region = <0>;	// vi_mem: framebuffer, region[0]
+    channel0 {
+        status = "okay";
+		sensor0 {
+			subdev_name = "vivcam";
+			idx = <0>;
+			csi_idx = <0>;
+			mode_idx = <0>;
+			path_type = "SENSOR_VGA_RAW12_LINER";
+		};
+		sensor1 {
+			subdev_name = "vivcam";
+			idx = <3>;
+			csi_idx = <0>;
+			mode_idx = <1>;
+			path_type = "SENSOR_2592x1944_LINER";
+		};
+		dma {
+			subdev_name = "vipre";
+			idx = <0>;
+			path_type = "VIPRE_CSI0_DDR";
+		};
+    };
+};

arch/riscv/boot/dts/thead/light-lpi4a-crash.dts

@@ -0,0 +1,98 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2023 Alibaba Group Holding Limited.
+ */
+
+#include "light-crash.dts"
+
+&aon {
+	aon_reg_dialog: light-dialog-reg {
+		compatible = "thead,light-dialog-pmic-ant";
+		status = "okay";
+
+		dvdd_cpu_reg: appcpu_dvdd {
+			regulator-name = "appcpu_dvdd";
+			regulator-min-microvolt = <300000>;
+			regulator-max-microvolt = <1570000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		dvddm_cpu_reg: appcpu_dvddm {
+			regulator-name = "appcpu_dvddm";
+			regulator-min-microvolt = <300000>;
+			regulator-max-microvolt = <1570000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+	};
+};
+
+&cpus {
+	c910_0: cpu@0 {
+		operating-points = <
+			/* kHz    uV */
+			300000	600000
+			800000	700000
+			1500000	800000
+			1848000 1000000
+		>;
+		light,dvddm-operating-points = <
+			/* kHz   uV */
+			300000	800000
+			800000	800000
+			1500000	800000
+			1848000 1000000
+		>;
+	};
+	c910_1: cpu@1 {
+		operating-points = <
+			/* kHz    uV */
+			300000	600000
+			800000	700000
+			1500000	800000
+			1848000 1000000
+		>;
+		light,dvddm-operating-points = <
+			/* kHz   uV */
+			300000	800000
+			800000	800000
+			1500000	800000
+			1848000 1000000
+		>;
+	};
+	c910_2: cpu@2 {
+
+		operating-points = <
+			/* kHz    uV */
+			300000	600000
+			800000	700000
+			1500000	800000
+			1848000 1000000
+		>;
+		light,dvddm-operating-points = <
+			/* kHz   uV */
+			300000	800000
+			800000	800000
+			1500000	800000
+			1848000 1000000
+		>;
+	};
+	c910_3: cpu@3 {
+
+		operating-points = <
+			/* kHz    uV */
+			300000	600000
+			800000	700000
+			1500000	800000
+			1848000 1000000
+		>;
+		light,dvddm-operating-points = <
+			/* kHz   uV */
+			300000	800000
+			800000	800000
+			1500000	800000
+			1848000 1000000
+		>;
+	};
+};

arch/riscv/boot/dts/thead/light-lpi4a-ddr2G.dts

@@ -11,7 +11,7 @@
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x0 0x80000000>;
+		reg = <0x0 0x200000 0x0 0x7fe00000>;
 	};
 };
 

arch/riscv/boot/dts/thead/light-lpi4a-hdmi.dts

@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0 */	
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+
+/dts-v1/;
+
+#include "light-lpi4a.dts"
+
+&lightsound {
+        status = "okay";
+        simple-audio-card,dai-link@0 {          /* I2S - HDMI*/
+                reg = <0>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&light_i2s 1>;
+                };
+                codec {
+                        sound-dai = <&dummy_codec>;
+                };
+        };
+        simple-audio-card,dai-link@1 {          /* I2S - AUDIO SYS CODEC 7210*/
+                reg = <1>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s1 0>;
+                };
+                codec {
+                        sound-dai = <&es7210_audio_codec>;
+                };
+        };
+        simple-audio-card,dai-link@2 {          /* I2S - AUDIO SYS CODEC 8156*/
+                reg = <2>;
+                format = "i2s";
+                cpu {
+                        sound-dai = <&i2s1 0>;
+                };
+                codec {
+                        sound-dai = <&es8156_audio_codec>;
+                };
+        };
+};
+
+&dpu_enc0 {
+        status = "disabled";
+};
+
+&dsi0 {
+        status = "disabled";
+};

arch/riscv/boot/dts/thead/light-lpi4a-hx8279.dts

@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2022-2023 Alibaba Group Holding Limited.
+ */
+
+#include "light-lpi4a-ref.dts"
+
+/ {
+	model = "T-HEAD Light Lichee Pi 4A configuration for 8GB DDR board";
+	compatible = "thead,light-val", "thead,light-lpi4a", "thead,light";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x200000 0x1 0xffe00000>;
+	};
+};
+
+&cmamem {
+	size = <0 0x20000000>; // 512MB on lpi4a (SOM)
+	alloc-ranges = <0 0xd8000000 0 0x20000000>; // [0x0D800_0000 ~ 0x0F800_0000]
+};
+
+&i2c3 {
+	touch@14 {
+                #gpio-cells = <2>;
+                compatible = "goodix,gt9271";
+                reg = <0x14>;
+                interrupt-parent = <&ao_gpio_porta>;
+                interrupts = <3 0>;
+                irq-gpios = <&ao_gpio_porta 3 0>;
+                reset-gpios = <&pcal6408ahk_d 0 0>;
+                AVDD28-supply = <&reg_tp_pwr_en>;
+                touchscreen-size-x = <1200>;
+                touchscreen-size-y = <1920>;
+                tp-size = <9271>;
+                status = "okay";
+        };
+};
+
+&dsi0 {
+        status = "okay";
+};
+
+
+&dhost_0 {
+	panel0@0 {
+                compatible = "himax,hx8279";
+                reg = <0>;
+                backlight = <&lcd0_backlight>;
+                reset-gpio = <&pcal6408ahk_d 7 0>; /* active low */
+                hsvcc-supply = <&soc_vdd18_lcd0_en_reg>;
+                vspn3v3-supply = <&soc_vdd33_lcd0_en_reg>;
+
+                port {
+                        panel0_in: endpoint {
+                                remote-endpoint = <&dsi0_out>;
+                        };
+                };
+        };
+};

arch/riscv/boot/dts/thead/light-lpi4a-sec.dts

@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021 Alibaba Group Holding Limited.
+ */
+
+/dts-v1/;
+
+#include "light-lpi4a-hdmi.dts"
+
+
+&light_iopmp {
+        status = "disabled";
+};
+
+&qspi1 {
+        status = "disabled";
+};
+

arch/riscv/boot/dts/thead/light-lpi4a.dts

@@ -1,27 +1,59 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /*
- * Copyright (C) 2022 Alibaba Group Holding Limited.
+ * Copyright (C) 2022-2023 Alibaba Group Holding Limited.
  */
 
 #include "light-lpi4a-ref.dts"
 
 / {
-	model = "T-HEAD Light Lichee Pi 4A configuration for 4GB DDR board";
+	model = "T-HEAD Light Lichee Pi 4A configuration for 8GB DDR board";
 	compatible = "thead,light-val", "thead,light-lpi4a", "thead,light";
 
 	memory@0 {
 		device_type = "memory";
-		reg = <0x0 0x00000000 0x1 0x00000000>;
+		reg = <0x0 0x200000 0x1 0xffe00000>;
 	};
 };
 
 &cmamem {
-	alloc-ranges = <0 0xe4000000 0 0x14000000>; // [0xE400_0000 ~ 0xF800_0000]
+	size = <0 0x20000000>; // 512MB on lpi4a (SOM)
+	alloc-ranges = <0 0xd8000000 0 0x20000000>; // [0x0D800_0000 ~ 0x0F800_0000]
 };
 
-&usb_1 {
+&i2c3 {
-	hubswitch-gpio = <&ao_gpio_porta 4 0>;
+        touch@14 {
-	vbus-supply = <&soc_vbus_en_reg>;
+                #gpio-cells = <2>;
-	hub1v2-supply = <&reg_usb_hub_vdd1v2>;
+                compatible = "goodix,gt9271";
-	hub5v-supply = <&reg_usb_hub_vcc5v>;
+                reg = <0x14>;
+                interrupt-parent = <&ao_gpio_porta>;
+                interrupts = <3 0>;
+                irq-gpios = <&ao_gpio_porta 3 0>;
+                reset-gpios = <&pcal6408ahk_d 0 0>;
+                AVDD28-supply = <&reg_tp_pwr_en>;
+                touchscreen-size-x = <800>;
+                touchscreen-size-y = <1200>;
+                tp-size = <9271>;
+                status = "okay";
+        };
+};
+
+&dsi0 {
+        status = "okay";
+};
+
+&dhost_0 {
+        panel0@0 {
+		compatible = "chongzhou,cz101b4001", "jadard,jd9365da-h3";
+                reg = <0>;
+                backlight = <&lcd0_backlight>;
+                reset-gpio = <&pcal6408ahk_d 7 0>; /* active low */
+                hsvcc-supply = <&soc_vdd18_lcd0_en_reg>;
+                vspn3v3-supply = <&soc_vdd33_lcd0_en_reg>;
+
+                port {
+                        panel0_in: endpoint {
+                                remote-endpoint = <&dsi0_out>;
+                        };
+                };
+        };
 };

arch/riscv/boot/dts/thead/light-vi-devices.dtsi

@@ -4,7 +4,7 @@
  */
 
 &video0{
-	status = "okay";
+	status = "disabled";
 	channel0 {
 		channel_id = <0>;
 		status = "okay";
@@ -86,7 +86,7 @@
 };
 
 &video1{
-	status = "okay";
+	status = "disabled";
 	channel0 { // VSE0
 		channel_id = <0>;
 		status = "okay";
@@ -183,7 +183,7 @@
 };
 
 &video2 {
-	status = "okay";
+	status = "disabled";
 	channel0 {
 		channel_id = <0>;
 		status = "okay";
@@ -199,6 +199,12 @@
 			csi_idx = <0xff>;
 			path_type = "SENSOR_VGA_RAW10_LINER";
 		};
+		sensor2 {
+			subdev_name = "vivcam";
+			idx = <0xff>; // invalid
+			csi_idx = <0xff>;
+			path_type = "SENSOR_VGA_RAW10_LINER";
+		};
 		dma {
 			subdev_name = "vipre";
 			idx = <0>;
@@ -266,7 +272,7 @@
 };
 
 &video3 {
-	status = "okay";
+	status = "disabled";
 		channel0 {
 		channel_id = <0>;
 		status = "okay";
@@ -364,7 +370,7 @@
 };
 
 &video4 {
-	status = "okay";
+	status = "disabled";
 	channel0 {
 		channel_id = <0>;
 		status = "okay";
@@ -477,7 +483,7 @@
 };
 
 &video5 {
-	status = "okay";
+	status = "disabled";
 	channel0 {
 		channel_id = <0>;
 		status = "okay";
@@ -606,7 +612,7 @@
 
 
 &video6 {
-	status = "okay";
+	status = "disabled";
 	channel0 {
 		channel_id = <0>;
 		status = "okay";
@@ -663,7 +669,7 @@
 
 
 &video7{
-	status = "okay";
+	status = "disabled";
 	channel0 {
 		channel_id = <0>;
 		status = "okay";
@@ -792,7 +798,7 @@
 
 
 &video8{
-	status = "okay";
+	status = "disabled";
 	channel0 {
 		channel_id = <0>;
 		status = "okay";
@@ -823,7 +829,7 @@
 
 
 &video9 { //IR debug
-	status = "okay";
+	status = "disabled";
 	channel0 {
 		channel_id = <0>;
 		status = "okay";
@@ -856,7 +862,7 @@
 
 
 &video10{ // TUNING TOOL
-	status = "okay";
+	status = "disabled";
 	channel0 { // CSI2X2_B
 		status = "okay";
 		sensor0 {
@@ -883,7 +889,7 @@
 
 
 &video11{
-	status = "okay";
+	status = "disabled";
 	channel0 {
 		channel_id = <0>;
 		status = "okay";
@@ -914,7 +920,7 @@
 
 
 &video12{ // TUNING TOOL
-	status = "okay";
+	status = "disabled";
 	channel0 { // CSI2
 		status = "okay";
 		sensor0 {

arch/riscv/boot/dts/thead/light.dtsi

@@ -6,12 +6,16 @@
 #include <dt-bindings/pinctrl/light-fm-left-pinctrl.h>
 #include <dt-bindings/pinctrl/light-fm-right-pinctrl.h>
 #include <dt-bindings/pinctrl/light-fm-aon-pinctrl.h>
+#include <dt-bindings/pinctrl/light-fm-audio-pinctrl.h>
+#include <dt-bindings/pinctrl/light-fm-pinctrl-def.h>
 #include <dt-bindings/clock/light-fm-ap-clock.h>
 #include <dt-bindings/clock/light-vpsys.h>
 #include <dt-bindings/clock/light-vosys.h>
 #include <dt-bindings/clock/light-visys.h>
 #include <dt-bindings/clock/light-dspsys.h>
+#include <dt-bindings/clock/light-audiosys.h>
 #include <dt-bindings/firmware/thead/rsrc.h>
+#include <dt-bindings/clock/light-miscsys.h>
 #include <dt-bindings/soc/thead,light-iopmp.h>
 #include <dt-bindings/thermal/thermal.h>
 #include <dt-bindings/reset/light-reset.h>
@@ -34,7 +38,7 @@
 		i2c3 = &i2c3;
 		i2c4 = &i2c4;
 		audio_i2c0 = &audio_i2c0;
-		audio_i2c1 = &audio_i2c1;
+        audio_i2c1 = &audio_i2c1;
 		mmc0 = &emmc;
 		mmc1 = &sdhci0;
 		serial0 = &uart0;
@@ -55,6 +59,7 @@
 		vivcam4 = &vvcam_sensor4;
 		vivcam5 = &vvcam_sensor5;
         vivcam6 = &vvcam_sensor6;
+        vivcam7 = &vvcam_sensor7;
 
         viv_video0 =  &video0;
         viv_video1 =  &video1;
@@ -94,6 +99,11 @@
 		};
 	};
 
+    aon_iram: aon-iram@ffffef8000 {
+            compatible = "syscon";
+            reg = <0xff 0xffef8000 0x0 0x10000>;
+    };
+
 	thermal-zones {
 		cpu-thermal-zone {
 			polling-delay-passive = <250>;
@@ -176,6 +186,7 @@
 				interrupt-controller;
 			};
 		};
+
 		c910_1: cpu@1 {
 			device_type = "cpu";
 			reg = <1>;
@@ -314,6 +325,44 @@
 				interrupt-controller;
 			};
 		};
+
+		idle_states: idle-states {
+		    CPU_RET_0_0: cpu-retentive-0-0 {
+			compatible = "riscv,idle-state";
+			riscv,sbi-suspend-param = <0x10000000>;
+			entry-latency-us = <20>;
+			exit-latency-us = <40>;
+			min-residency-us = <80>;
+		    };
+
+		    CPU_NONRET_0_0: cpu-nonretentive-0-0 {
+			compatible = "riscv,idle-state";
+			riscv,sbi-suspend-param = <0x90000000>;
+			entry-latency-us = <250>;
+			exit-latency-us = <500>;
+			min-residency-us = <950>;
+		    };
+
+		    CLUSTER_RET_0: cluster-retentive-0 {
+			compatible = "riscv,idle-state";
+			riscv,sbi-suspend-param = <0x11000000>;
+			local-timer-stop;
+			entry-latency-us = <50>;
+			exit-latency-us = <100>;
+			min-residency-us = <250>;
+			wakeup-latency-us = <130>;
+		    };
+
+		    CLUSTER_NONRET_0: cluster-nonretentive-0 {
+			compatible = "riscv,idle-state";
+			riscv,sbi-suspend-param = <0x91000000>;
+			local-timer-stop;
+			entry-latency-us = <600>;
+			exit-latency-us = <1100>;
+			min-residency-us = <2700>;
+			wakeup-latency-us = <1500>;
+		    };
+		};
 	};
 
 	display-subsystem {
@@ -383,7 +432,7 @@
 			entry-cnt = <4>;
 			control-reg = <0xff 0xff015004>;
 			control-val = <0x1c>;
-			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc>;
+			csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc 0x7ce>;
 		};
 
 		clint0: clint@ffdc000000 {
@@ -622,6 +671,18 @@
 			status = "okay";
 		};
 
+		miscsys_reg: miscsys-reg@ffec02c000 {
+			compatible = "thead,light-miscsys-reg", "syscon";
+			reg = <0xff 0xec02c000 0x0 0x1000>;
+			status = "okay";
+		};
+ 
+		tee_miscsys_reg: tee_miscsys-reg@fffc02d000 {
+			compatible = "thead,light-miscsys-reg", "syscon";
+			reg = <0xff 0xfc02d000 0x0 0x1000>;
+			status = "okay";
+		};
+ 
 		audio_ioctrl: audio_ioctrl@ffcb01d000 {
 			compatible = "thead,light-audio-ioctrl-reg", "syscon";
 			reg = <0xff 0xcb01d000 0x0 0x1000>;
@@ -634,12 +695,20 @@
 			status = "okay";
 		};
 
+		audio_mbox: audio_mbox@0xffefc48000 {
+			compatible = "thead,light-audio-mbox-reg", "syscon";
+			reg = <0xff 0xefc48000 0x0 0x1000>;
+			status = "okay";
+		};
+
 		nvmem_controller: efuse@ffff210000 {
 			compatible = "thead,light-fm-efuse", "syscon";
 			reg = <0xff 0xff210000 0x0 0x10000>;
 			thead,teesys = <&teesys_syscon>;
 			#address-cells = <1>;
 			#size-cells = <1>;
+			clocks = <&miscsys_clk_gate CLKGEN_MISCSYS_EFUSE_PCLK>;
+			clock-names = "pclk";
 
 			gmac0_mac_address: mac-address@176 {
 				reg = <0xb0 6>;
@@ -667,7 +736,9 @@
 			reg = <0xff 0xec005000 0x0 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <0>;
-
+            clocks = <&clk CLKGEN_GPIO0_PCLK>,
+            <&clk CLKGEN_GPIO0_DBCLK>;
+			clock-names = "bus", "db";
 			gpio0_porta: gpio0-controller@0 {
 				compatible = "snps,dw-apb-gpio-port";
 				gpio-controller;
@@ -687,7 +758,9 @@
 			reg = <0xff 0xec006000 0x0 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <0>;
-
+			clocks = <&clk CLKGEN_GPIO1_PCLK>,
+			         <&clk CLKGEN_GPIO1_DBCLK>;
+			clock-names = "bus", "db";
 			gpio1_porta: gpio1-controller@0 {
 				compatible = "snps,dw-apb-gpio-port";
 				gpio-controller;
@@ -707,7 +780,9 @@
 			reg = <0xff 0xe7f34000 0x0 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <0>;
-
+			clocks = <&clk CLKGEN_GPIO2_PCLK>,
+			         <&clk CLKGEN_GPIO2_DBCLK>;
+			clock-names = "bus", "db";
 			gpio2_porta: gpio2-controller@0 {
 				compatible = "snps,dw-apb-gpio-port";
 				gpio-controller;
@@ -727,7 +802,9 @@
 			reg = <0xff 0xe7f38000 0x0 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <0>;
-
+			clocks = <&clk CLKGEN_GPIO3_PCLK>,
+			         <&clk CLKGEN_GPIO3_DBCLK>;
+			clock-names = "bus", "db";
 			gpio3_porta: gpio3-controller@0 {
 				compatible = "snps,dw-apb-gpio-port";
 				gpio-controller;
@@ -782,15 +859,19 @@
 			};
 		};
 
-		padctrl1_apsys: pinctrl1-apsys@ffe7f3c000 {
+		padctrl1_apsys: padctrl1-apsys@ffe7f3c000 {
 			compatible = "thead,light-fm-left-pinctrl";
 			reg = <0xff 0xe7f3c000 0x0 0x1000>;
+			clocks = <&clk CLKGEN_PADCTRL1_APSYS_PCLK>;
+			clock-names = "pclk";
 			status = "okay";
 		};
 
 		padctrl0_apsys: padctrl0-apsys@ffec007000 {
 			compatible = "thead,light-fm-right-pinctrl";
 			reg = <0xff 0xec007000 0x0 0x1000>;
+			clocks = <&clk CLKGEN_PADCTRL0_APSYS_PCLK>;
+			clock-names = "pclk";
 			status = "okay";
 		};
 
@@ -855,6 +936,12 @@
 			status = "okay";
 		};
 
+		padctrl_audiosys: padctrl-audiosys@ffcb01d000 {
+			compatible = "thead,light-fm-audio-pinctrl";
+			reg = <0xff 0xcb01d000 0x0 0x1000>;
+			status = "disabled";
+		};
+
 		timer4: timer@ffffc33000 {
 			compatible = "snps,dw-apb-timer";
 			reg = <0xff 0xffc33000 0x0 0x14>;
@@ -900,7 +987,7 @@
 		};
 
 		uart0: serial@ffe7014000 { /* Normal serial, for C910 log */
-			compatible = "snps,dw-apb-uart";
+                        compatible = "snps,dw-apb-uart", "light,uart0";
 			reg = <0xff 0xe7014000 0x0 0x4000>;
 			interrupt-parent = <&intc>;
 			interrupts = <36>;
@@ -995,7 +1082,9 @@
 			pinctrl-0 = <&pinctrl_spi0>;
 			interrupt-parent = <&intc>;
 			interrupts = <54>;
-			clocks = <&dummy_clock_spi>;
+            clocks = <&clk CLKGEN_SPI_SSI_CLK>,
+                     <&clk CLKGEN_SPI_PCLK>;
+            clock-names = "sclk", "pclk";
 			num-cs = <2>;
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -1008,7 +1097,9 @@
 			pinctrl-0 = <&pinctrl_qspi0>;
 			interrupt-parent = <&intc>;
 			interrupts = <52>;
-			clocks = <&dummy_clock_qspi>;
+            clocks = <&clk CLKGEN_QSPI0_SSI_CLK>,
+                     <&clk CLKGEN_QSPI0_PCLK>;
+            clock-names = "sclk", "pclk";
 			#address-cells = <1>;
 			#size-cells = <0>;
 		};
@@ -1020,7 +1111,9 @@
 			pinctrl-0 = <&pinctrl_qspi1>;
 			interrupt-parent = <&intc>;
 			interrupts = <53>;
-			clocks = <&dummy_clock_spi>;
+            clocks = <&clk CLKGEN_QSPI1_SSI_CLK>,
+                     <&clk CLKGEN_QSPI1_PCLK>;
+            clock-names = "sclk", "pclk";
 			#address-cells = <1>;
 			#size-cells = <0>;
 		};
@@ -1118,9 +1211,8 @@
 			clocks = <&vosys_clk_gate LIGHT_CLKGEN_HDMI_PCLK>,
 				 <&vosys_clk_gate LIGHT_CLKGEN_HDMI_SFR_CLK>,
 				 <&vosys_clk_gate LIGHT_CLKGEN_HDMI_CEC_CLK>,
-				 <&vosys_clk_gate LIGHT_CLKGEN_HDMI_PIXCLK>,
+				 <&vosys_clk_gate LIGHT_CLKGEN_HDMI_PIXCLK>;
-				 <&vosys_clk_gate LIGHT_CLKGEN_HDMI_I2S_CLK>;
+			clock-names = "iahb", "isfr", "cec", "pixclk";
-			clock-names = "iahb", "isfr", "cec", "pixclk", "i2s";
 			reg-io-width = <4>;
 			phy_version = <301>;
 			/* TODO: add phy property */
@@ -1136,6 +1228,7 @@
 			      <0xff 0xef630010 0x0 0x60>;
 			interrupt-parent = <&intc>;
 			interrupts = <93>;
+			vosys-regmap = <&vosys_reg>;
 			clocks = <&vosys_clk_gate LIGHT_CLKGEN_DPU_CCLK>,
 				 <&vosys_clk_gate LIGHT_CLKGEN_DPU_PIXCLK0>,
 				 <&vosys_clk_gate LIGHT_CLKGEN_DPU_PIXCLK1>,
@@ -1197,6 +1290,7 @@
 			interrupts = <74>;
 			clocks = <&dummy_clock_rtc>;
 			clock-names = "rtc";
+			wakeup-source;
 			status = "okay";
 		};
 
@@ -1204,6 +1298,11 @@
 			compatible = "thead,dwc3";
 			usb3-misc-regmap = <&misc_sysreg>;
 			usb3-drd-regmap = <&usb3_drd>;
+			clocks = <&miscsys_clk_gate CLKGEN_MISCSYS_USB3_DRD_CLK>,
+					<&miscsys_clk_gate CLKGEN_MISCSYS_USB3_DRD_CTRL_REF_CLK>,
+					<&miscsys_clk_gate CLKGEN_MISCSYS_USB3_DRD_PHY_REF_CLK>,
+					<&miscsys_clk_gate CLKGEN_MISCSYS_USB3_DRD_SUSPEND_CLK>;
+			clock-names = "drd", "ctrl", "phy", "suspend";
 			#address-cells = <2>;
 			#size-cells = <2>;
 			ranges;
@@ -1213,8 +1312,6 @@
 				reg = <0xff 0xe7040000 0x0 0x10000>;
 				interrupt-parent = <&intc>;
 				interrupts = <68>;
-				clocks = <&dummy_clock_ref>, <&dummy_clock_apb>, <&dummy_clock_suspend>;
-				clock-names = "ref", "bus_early", "suspend";
 				reg-shift = <2>;
 				reg-io-width = <4>;
 				maximum-speed = "super-speed";
@@ -1248,6 +1345,13 @@
 			status = "okay";
 		};
 
+		vpsys_rst: vpsys-reset-controller@ffecc30000 {
+			compatible = "thead,light-vpsys-reset-src","syscon";
+			reg = <0xff 0xecc30000 0x0 0x1000>;
+			#reset-cells = <1>;
+			status = "okay";
+		};
+
 		sys_reg: sys_reg@ffef010100 {
 			compatible = "thead,light_sys_reg";
 			reg = <0xff 0xef010100 0x0 0x100>;
@@ -1259,7 +1363,7 @@
 			reg = <0xff 0xefc00000 0x0 0x1000>;
 			interrupt-parent = <&intc>;
 			interrupts = <27>;
-			clocks = <&dummy_clock_apb>, <&dummy_clock_apb>;
+			clocks = <&clk CLKGEN_DMAC_CPUSYS_ACLK>, <&clk CLKGEN_DMAC_CPUSYS_HCLK>;
 			clock-names = "core-clk", "cfgr-clk";
 			#dma-cells = <1>;
 			dma-channels = <4>;
@@ -1276,7 +1380,7 @@
 			reg = <0xff 0xff340000 0x0 0x1000>;
 			interrupt-parent = <&intc>;
 			interrupts = <150>;
-			clocks = <&dummy_clock_apb>, <&dummy_clock_apb>;
+			clocks = <&clk CLKGEN_DMAC_CPUSYS_ACLK>, <&clk CLKGEN_DMAC_CPUSYS_HCLK>;
 			clock-names = "core-clk", "cfgr-clk";
 			#dma-cells = <1>;
 			dma-channels = <4>;
@@ -1293,7 +1397,7 @@
                         reg = <0xff 0xc8000000 0x0 0x2000>;
                         interrupt-parent = <&intc>;
                         interrupts = <167>;
-                        clocks = <&dummy_clock_apb>, <&dummy_clock_apb>;
+						clocks = <&clk CLKGEN_DMAC_CPUSYS_ACLK>, <&clk CLKGEN_DMAC_CPUSYS_HCLK>;
                         clock-names = "core-clk", "cfgr-clk";
                         #dma-cells = <1>;
                         dma-channels = <16>;
@@ -1301,7 +1405,7 @@
                                           65536 65536 65536 65536
                                           65536 65536 65536 65536
                                           65536 65536 65536 65536>;
-                        snps,priority = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15>;
+                        snps,priority = <0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0>; // <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15>;
                         snps,dma-masters = <1>;
                         snps,data-width = <4>;
                         snps,axi-max-burst-len = <16>;
@@ -1324,8 +1428,11 @@
 			interrupt-parent = <&intc>;
 			interrupts = <66>;
 			interrupt-names = "macirq";
-			clocks = <&clk CLKGEN_GMAC0_CCLK>;
+			clocks = <&clk CLKGEN_GMAC0_CCLK>,
-			clock-names = "gmac_pll_clk";
+					 <&clk CLKGEN_GMAC0_PCLK>,
+					 <&clk CLKGEN_GMAC_AXI_ACLK>,
+					 <&clk CLKGEN_GMAC_AXI_PCLK>;
+			clock-names = "gmac_pll_clk","pclk","axi_aclk","axi_pclk";
 			snps,pbl = <32>;
 			snps,fixed-burst;
 			snps,axi-config = <&stmmac_axi_setup>;
@@ -1343,8 +1450,11 @@
 			interrupt-parent = <&intc>;
 			interrupts = <67>;
 			interrupt-names = "macirq";
-			clocks = <&clk CLKGEN_GMAC1_CCLK>;
+			clocks = <&clk CLKGEN_GMAC1_CCLK>,
-			clock-names = "gmac_pll_clk";
+					 <&clk CLKGEN_GMAC1_PCLK>,
+					 <&clk CLKGEN_GMAC_AXI_ACLK>,
+					 <&clk CLKGEN_GMAC_AXI_PCLK>;
+			clock-names = "gmac_pll_clk","pclk","axi_aclk","axi_pclk";
 			snps,pbl = <32>;
 			snps,fixed-burst;
 			snps,axi-config = <&stmmac_axi_setup>;
@@ -1354,35 +1464,35 @@
 
 		emmc: sdhci@ffe7080000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7080000 0x0 0x10000
+			reg = <0xff 0xe7080000 0x0 0x10000>;
-			       0xff 0xef014060 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <62>;
 			interrupt-names = "sdhciirq";
-			clocks = <&dummy_clock_sdhci>;
+			clocks = <&clk CLKGEN_EMMC_SDIO_REF_CLK>,
-			clock-names = "core";
+					 <&miscsys_clk_gate CLKGEN_MISCSYS_EMMC_CLK>;
+			clock-names = "core", "bus";
 		};
 
 		sdhci0: sd@ffe7090000 {
 			compatible = "snps,dwcmshc-sdhci";
-			reg = <0xff 0xe7090000 0x0 0x10000
+			reg = <0xff 0xe7090000 0x0 0x10000>;
-			       0xff 0xef014064 0x0 0x4>;
 			interrupt-parent = <&intc>;
 			interrupts = <64>;
 			interrupt-names = "sdhci0irq";
-			clocks = <&dummy_clock_sdhci>;
+			clocks = <&clk CLKGEN_EMMC_SDIO_REF_CLK>,
-			clock-names = "core";
+					 <&miscsys_clk_gate CLKGEN_MISCSYS_EMMC_CLK>;
+			clock-names = "core", "bus";
 		};
 
 		sdhci1: sd@ffe70a0000 {
-		        compatible = "snps,dwcmshc-sdhci";
+			compatible = "snps,dwcmshc-sdhci";
-		        reg = <0xff 0xe70a0000 0x0 0x10000
+			reg = <0xff 0xe70a0000 0x0 0x10000>;
-		               0xff 0xef014064 0x0 0x4>;
+			interrupt-parent = <&intc>;
-		        interrupt-parent = <&intc>;
+			interrupts = <71>;
-		        interrupts = <71>;
+			interrupt-names = "sdhci1irq";
-		        interrupt-names = "sdhci1irq";
+			clocks = <&clk CLKGEN_EMMC_SDIO_REF_CLK>,
-		        clocks = <&dummy_clock_sdhci>;
+					 <&miscsys_clk_gate CLKGEN_MISCSYS_EMMC_CLK>;
-		        clock-names = "core";
+			clock-names = "core", "bus";
 		};
 
 		hwspinlock: hwspinlock@ffefc10000 {
@@ -1403,7 +1513,8 @@
 			clock-names = "pclk", "aclk";
 			vha_clk_rate = <1000000000>;
 			ldo_vha-supply = <&npu>;
-			dma-mask = <0xf 0xffffffff>;
+			dma-mask = <0xff 0xffffffff>;
+			resets = <&rst LIGHT_RESET_NPU>;
 			status = "disabled";
 		};
 
@@ -1432,6 +1543,7 @@
 			clocks = <&vpsys_clk_gate LIGHT_VPSYS_FCE_ACLK>,
 				<&vpsys_clk_gate LIGHT_VPSYS_FCE_PCLK>;
 			clock-names = "aclk", "pclk";
+			resets = <&vpsys_rst LIGHT_RESET_FCE>;
 			dma-mask = <0xf 0xffffffff>;
 			status = "disabled";
 		};
@@ -1480,8 +1592,6 @@
 			#sound-dai-cells = <1>;
 			compatible = "light,light-i2s";
 			reg = <0xff 0xe7034000 0x0 0x4000>;
-			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_audio_i2s0>;
 			light,mode = "i2s-master";
 			light,sel = "ap_i2s";
 			interrupt-parent = <&intc>;
@@ -1490,7 +1600,7 @@
 			dma-names = "tx", "rx";
 			light,dma_maxburst = <4>;
 			#dma-cells = <1>;
-			clocks = <&dummy_clock_apb>;
+			clocks = <&vosys_clk_gate LIGHT_CLKGEN_HDMI_I2S_CLK>;
 			clock-names = "pclk";
 			status = "disabled";
 		};
@@ -1506,11 +1616,11 @@
 			light,sel = "i2s0";
 			interrupt-parent = <&intc>;
 			interrupts = <174>;
-			dmas = <&dmac2 9>, <&dmac2 16>;
+			dmas = <&dmac2 9>, <&dmac2 8>;
 			dma-names = "tx", "rx";
 			light,dma_maxburst = <4>;
 			#dma-cells = <1>;
-			clocks = <&dummy_clock_apb>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_I2S0>;
 			clock-names = "pclk";
 			status = "disabled";
 		};
@@ -1526,11 +1636,11 @@
 			light,sel = "i2s1";
 			interrupt-parent = <&intc>;
 			interrupts = <175>;
-			dmas = <&dmac2 11>, <&dmac2 17>;
+			dmas = <&dmac2 11>, <&dmac2 10>;
 			dma-names = "tx", "rx";
 			light,dma_maxburst = <4>;
 			#dma-cells = <1>;
-			clocks = <&dummy_clock_apb>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_I2S1>;
 			clock-names = "pclk";
 			status = "disabled";
 		};
@@ -1550,29 +1660,293 @@
 			dma-names = "tx", "rx";
 			light,dma_maxburst = <4>;
 			#dma-cells = <1>;
-			clocks = <&dummy_clock_apb>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_I2S2>;
 			clock-names = "pclk";
 			status = "disabled";
 		};
 
-		i2s3: audio_i2s3@0xffcb017000 {
+		i2s_8ch_sd0: audio_i2s_8ch_sd0@0xffcb017000 {
 			#sound-dai-cells = <1>;
-			compatible = "light,light-i2s";
+			compatible = "light,light-i2s-8ch";
 			reg = <0xff 0xcb017000 0x0 0x1000>;
+			audio-cpr-regmap = <&audio_cpr>;
 			pinctrl-names = "default";
 			light,mode = "i2s-master";
-			light,sel = "i2s3";
+			light,sel = "i2s_8ch_sd0";
 			interrupt-parent = <&intc>;
 			interrupts = <177>;
-			dmas = <&dmac2 14>, <&dmac2 16>;
+			dmas = <&dmac2 36>, <&dmac2 14>;
 			dma-names = "tx", "rx";
 			light,dma_maxburst = <4>;
 			#dma-cells = <1>;
-			clocks = <&dummy_clock_apb>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_I2S8CH>;
 			clock-names = "pclk";
 			status = "disabled";
 		};
 
+		i2s_8ch_sd1: audio_i2s_8ch_sd1@0xffcb017000 {
+			#sound-dai-cells = <1>;
+			compatible = "light,light-i2s-8ch";
+			reg = <0xff 0xcb017000 0x0 0x1000>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,sel = "i2s_8ch_sd1";
+			interrupt-parent = <&intc>;
+			interrupts = <177>;
+			dmas = <&dmac2 37>, <&dmac2 15>;
+			dma-names = "tx", "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_I2S8CH>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		i2s_8ch_sd2: audio_i2s_8ch_sd2@0xffcb017000 {
+			#sound-dai-cells = <1>;
+			compatible = "light,light-i2s-8ch";
+			reg = <0xff 0xcb017000 0x0 0x1000>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,sel = "i2s_8ch_sd2";
+			interrupt-parent = <&intc>;
+			interrupts = <177>;
+			dmas = <&dmac2 38>, <&dmac2 16>;
+			dma-names = "tx", "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_I2S8CH>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		i2s_8ch_sd3: audio_i2s_8ch_sd3@0xffcb017000 {
+			#sound-dai-cells = <1>;
+			compatible = "light,light-i2s-8ch";
+			reg = <0xff 0xcb017000 0x0 0x1000>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,sel = "i2s_8ch_sd3";
+			interrupt-parent = <&intc>;
+			interrupts = <177>;
+			dmas = <&dmac2 39>, <&dmac2 17>;
+			dma-names = "tx", "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_I2S8CH>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot1: audio_tdm_slot1@0xffcb012000 {
+			#sound-dai-cells = <0>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <1>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 28>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_TDM>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot2: audio_tdm_slot2@0xffcb012000 {
+			#sound-dai-cells = <0>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <2>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 29>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_TDM>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot3: audio_tdm_slot3@0xffcb012000 {
+			#sound-dai-cells = <0>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <3>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 30>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_TDM>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot4: audio_tdm_slot4@0xffcb012000 {
+			#sound-dai-cells = <0>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <4>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 31>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_TDM>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot5: audio_tdm_slot5@0xffcb012000 {
+			#sound-dai-cells = <0>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <5>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 32>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_TDM>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot6: audio_tdm_slot6@0xffcb012000 {
+			#sound-dai-cells = <0>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <6>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 33>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_TDM>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot7: audio_tdm_slot7@0xffcb012000 {
+			#sound-dai-cells = <0>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <7>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 34>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_TDM>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		tdm_slot8: audio_tdm_slot8@0xffcb012000 {
+			#sound-dai-cells = <0>;
+			compatible = "light,light-tdm";
+			reg = <0xff 0xcb012000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			light,mode = "i2s-master";
+			light,tdm_slots = <8>;
+			light,tdm_slot_num = <8>;
+			interrupt-parent = <&intc>;
+			interrupts = <178>;
+			dmas = <&dmac2 35>;
+			dma-names = "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_TDM>;
+			clock-names = "pclk";
+			status = "disabled";
+		};
+
+		spdif0: audio_spdif0@0xffcb018000 {
+			#sound-dai-cells = <0>;
+			compatible = "light,light-spdif";
+			reg = <0xff 0xcb018000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			interrupt-parent = <&intc>;
+			interrupts = <179>;
+			dmas = <&dmac2 25>, <&dmac2 24>;
+			dma-names = "tx", "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_SPDIF0>;
+			clock-names = "pclk";
+			id = <0>;
+			status = "disabled";
+		};
+
+		spdif1: audio_spdif1@0xffcb019000 {
+			#sound-dai-cells = <0>;
+			compatible = "light,light-spdif";
+			reg = <0xff 0xcb019000 0x0 0x1000>;
+			audio-pin-regmap = <&audio_ioctrl>;
+			audio-cpr-regmap = <&audio_cpr>;
+			pinctrl-names = "default";
+			interrupt-parent = <&intc>;
+			interrupts = <180>;
+			dmas = <&dmac2 27>, <&dmac2 26>;
+			dma-names = "tx", "rx";
+			light,dma_maxburst = <4>;
+			#dma-cells = <1>;
+			clocks = <&audiosys_clk_gate LIGHT_CLKGEN_AUDIO_SPDIF1>;
+			clock-names = "pclk";
+			id = <1>;
+			status = "disabled";
+		};
+
 		pvt: pvt@fffff4e000 {
 		    compatible = "moortec,mr75203";
 		    reg = <0xff 0xfff4e000 0x0 0x80>,
@@ -1590,8 +1964,13 @@
 			reg = <0xff 0xe7f20000 0x0 0x4000>;
 			interrupt-parent = <&intc>;
 			interrupts = <44>;
-			clocks = <&dummy_clock_apb>;
+			clocks = <&clk CLKGEN_I2C0_PCLK>;
+			clock-names = "pclk";
 			clock-frequency = <100000>;
+            i2c_mode = "dma";
+			dmas = <&dmac0 12>, <&dmac0 13>;
+			dma-names = "tx", "rx";
+			#dma-cells = <1>;
 			ss_hcnt = /bits/ 16 <0x104>;
 			ss_lcnt = /bits/ 16 <0xec>;
 			fs_hcnt = /bits/ 16 <0x37>;
@@ -1609,8 +1988,13 @@
 			reg = <0xff 0xe7f24000 0x0 0x4000>;
 			interrupt-parent = <&intc>;
 			interrupts = <45>;
-			clocks = <&dummy_clock_apb>;
+			clocks = <&clk CLKGEN_I2C1_PCLK>;
+			clock-names = "pclk";
 			clock-frequency = <100000>;
+            i2c_mode = "dma";
+			dmas = <&dmac0 14>, <&dmac0 15>;
+			dma-names = "tx", "rx";
+			#dma-cells = <1>;
 			ss_hcnt = /bits/ 16 <0x104>;
 			ss_lcnt = /bits/ 16 <0xec>;
 			fs_hcnt = /bits/ 16 <0x37>;
@@ -1628,8 +2012,13 @@
 			reg = <0xff 0xec00c000 0x0 0x4000>;
 			interrupt-parent = <&intc>;
 			interrupts = <46>;
-			clocks = <&dummy_clock_apb>;
+			clocks = <&clk CLKGEN_I2C2_PCLK>;
+			clock-names = "pclk";
 			clock-frequency = <100000>;
+            i2c_mode = "dma";
+			dmas = <&dmac0 16>, <&dmac0 17>;
+			dma-names = "tx", "rx";
+			#dma-cells = <1>;
 			ss_hcnt = /bits/ 16 <0x104>;
 			ss_lcnt = /bits/ 16 <0xec>;
 			fs_hcnt = /bits/ 16 <0x37>;
@@ -1649,8 +2038,13 @@
 			reg = <0xff 0xec014000 0x0 0x4000>;
 			interrupt-parent = <&intc>;
 			interrupts = <47>;
-			clocks = <&dummy_clock_apb>;
+			clocks = <&clk CLKGEN_I2C3_PCLK>;
+			clock-names = "pclk";
 			clock-frequency = <100000>;
+            i2c_mode = "dma";
+			dmas = <&dmac0 18>, <&dmac0 19>;
+			dma-names = "tx", "rx";
+			#dma-cells = <1>;
 			ss_hcnt = /bits/ 16 <0x104>;
 			ss_lcnt = /bits/ 16 <0xec>;
 			fs_hcnt = /bits/ 16 <0x37>;
@@ -1670,8 +2064,13 @@
 			reg = <0xff 0xe7f28000 0x0 0x4000>;
 			interrupt-parent = <&intc>;
 			interrupts = <48>;
-			clocks = <&dummy_clock_apb>;
+			clocks = <&clk CLKGEN_I2C4_PCLK>;
+			clock-names = "pclk";
 			clock-frequency = <100000>;
+            i2c_mode = "dma";
+			dmas = <&dmac0 20>, <&dmac0 21>;
+			dma-names = "tx", "rx";
+			#dma-cells = <1>;
 			ss_hcnt = /bits/ 16 <0x104>;
 			ss_lcnt = /bits/ 16 <0xec>;
 			fs_hcnt = /bits/ 16 <0x37>;
@@ -1693,6 +2092,10 @@
 			interrupts = <182>;
 			clocks = <&dummy_clock_apb>;
 			clock-frequency = <100000>;
+            i2c_mode = "dma";
+			dmas = <&dmac2 21>, <&dmac2 20>;
+			dma-names = "tx", "rx";
+			#dma-cells = <1>;
 			ss_hcnt = /bits/ 16 <0x82>;
 			ss_lcnt = /bits/ 16 <0x78>;
 			fs_hcnt = /bits/ 16 <0x37>;
@@ -1705,26 +2108,30 @@
 			#size-cells = <0>;
 		};
 
-		audio_i2c1: i2c@0xffcb01b000 {
+        audio_i2c1: i2c@0xffcb01b000 {
-			compatible = "snps,designware-i2c";
+                compatible = "snps,designware-i2c";
-			reg = <0xff 0xcb01b000 0x0 0x1000>;
+                reg = <0xff 0xcb01b000 0x0 0x1000>;
-			interrupt-parent = <&intc>;
+                interrupt-parent = <&intc>;
-			interrupts = <183>;
+                interrupts = <183>;
-			clocks = <&dummy_clock_apb>;
+                clocks = <&dummy_clock_apb>;
-			clock-frequency = <100000>;
+                clock-frequency = <100000>;
-			ss_hcnt = /bits/ 16 <0x82>;
+                i2c_mode = "dma";
-			ss_lcnt = /bits/ 16 <0x78>;
+			    dmas = <&dmac2 23>, <&dmac2 22>;
-			fs_hcnt = /bits/ 16 <0x37>;
+			    dma-names = "tx", "rx";
-			fs_lcnt = /bits/ 16 <0x42>;
+			    #dma-cells = <1>;
-			fp_hcnt = /bits/ 16 <0x14>;
+                ss_hcnt = /bits/ 16 <0x82>;
-			fp_lcnt = /bits/ 16 <0x1a>;
+                ss_lcnt = /bits/ 16 <0x78>;
-			hs_hcnt = /bits/ 16 <0x5>;
+                fs_hcnt = /bits/ 16 <0x37>;
-			hs_lcnt = /bits/ 16 <0x15>;
+                fs_lcnt = /bits/ 16 <0x42>;
-			status = "disabled";
+                fp_hcnt = /bits/ 16 <0x14>;
+                fp_lcnt = /bits/ 16 <0x1a>;
+                hs_hcnt = /bits/ 16 <0x5>;
+                hs_lcnt = /bits/ 16 <0x15>;
+                status = "disabled";
 
-			#address-cells = <1>;
+                #address-cells = <1>;
-			#size-cells = <0>;
+                #size-cells = <0>;
-		};
+        };
 
 		isp0: isp@ffe4100000 {
 			compatible = "thead,light-isp";
@@ -2005,6 +2412,11 @@
 			status = "disabled";
 		};
 
+		vvcam_sensor7: vvcam_sensor@7 {
+			compatible = "thead,light-vvcam-sensor";
+			status = "disabled";
+		};
+
 		xtensa_dsp: dsp@01{
 			compatible = "thead,dsp-hw-common";
 			reg = <0xff 0xef040000 0x0 0x001000 >;   /*DSP_SYSREG(0x0000-0xFFF) */
@@ -2144,7 +2556,11 @@
 			reg = <0xff 0xff300000 0x0 0x40000>;
 			interrupt-parent = <&intc>;
 			interrupts = <144>,<145>,<146>,<147>;
-			clocks = <&dummy_clock_eip>;
+			clocks = <&miscsys_clk_gate CLKGEN_MISCSYS_EIP120SI_CLK>,
+					<&miscsys_clk_gate CLKGEN_MISCSYS_EIP120SII_CLK>,
+					<&miscsys_clk_gate CLKGEN_MISCSYS_EIP120SIII_CLK>,
+					<&miscsys_clk_gate CLKGEN_MISCSYS_EIP150B_HCLK>;
+			clock-names = "120si_clk","120sii_clk","120siii_clk","hclk";
 			status = "disabled";
 		};
 
@@ -2154,6 +2570,17 @@
 			interrupts = <215>; /* TEE INT SRC_7 */
 		};
 
+        light_event: light-event {
+                compatible = "thead,light-event";
+                aon-iram-regmap = <&aon_iram>;
+                status = "okay";
+        };
+
+		aon_suspend_ctrl: aon_suspend_ctrl {
+		        compatible = "thead,light-aon-suspend-ctrl";
+		        status = "okay";
+		};
+
 		visys_clk_gate: visys-clk-gate { /* VI_SYSREG_R */
 			compatible = "thead,visys-gate-controller";
 			visys-regmap = <&visys_reg>;
@@ -2181,6 +2608,22 @@
 			#clock-cells = <1>;
 			status = "okay";
 		};
+
+		audiosys_clk_gate: audiosys-clk-gate {
+			compatible = "thead,audiosys-gate-controller";
+			audiosys-regmap = <&audio_cpr>;
+			#clock-cells = <1>;
+			status = "okay";
+		};
+
+		miscsys_clk_gate: miscsys-clk-gate {
+			compatible = "thead,miscsys-gate-controller";
+			miscsys-regmap = <&miscsys_reg>;
+			tee-miscsys-regmap = <&tee_miscsys_reg>;
+			#clock-cells = <1>;
+			status = "okay";
+		};
+
 	};
 
 };

arch/riscv/configs/defconfig

@@ -17,6 +17,12 @@ CONFIG_PERF_EVENTS=y
 CONFIG_SOC_THEAD=y
 CONFIG_SMP=y
 CONFIG_VECTOR=y
+CONFIG_HOTPLUG_CPU=y
+CONFIG_PM=y
+CONFIG_CPU_IDLE=y
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=m
+CONFIG_JUMP_LABEL=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_PARTITION_ADVANCED=y

arch/riscv/configs/fire_defconfig

@@ -251,6 +251,7 @@ CONFIG_HWSPINLOCK=y
 CONFIG_HWSPINLOCK_LIGHT=y
 CONFIG_HWSPINLOCK_LIGHT_TEST=m
 CONFIG_MAILBOX=y
+CONFIG_EXTCON=y
 CONFIG_IIO=y
 CONFIG_IIO_SW_DEVICE=y
 CONFIG_PWM=y

arch/riscv/configs/fire_emu_defconfig

@@ -252,6 +252,7 @@ CONFIG_HWSPINLOCK=y
 CONFIG_HWSPINLOCK_LIGHT=y
 CONFIG_HWSPINLOCK_LIGHT_TEST=m
 CONFIG_MAILBOX=y
+CONFIG_EXTCON=y
 CONFIG_IIO=y
 CONFIG_IIO_SW_DEVICE=y
 CONFIG_PWM=y

arch/riscv/configs/light_defconfig

@@ -3,6 +3,10 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_PREEMPT=y
+CONFIG_TASKSTATS=y
+CONFIG_TASK_DELAY_ACCT=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_CGROUPS=y
@@ -91,6 +95,7 @@ CONFIG_TUN=y
 CONFIG_VIRTIO_NET=y
 CONFIG_MACB=y
 CONFIG_STMMAC_ETH=y
+CONFIG_STMMAC_RX_ZERO_COPY=y
 CONFIG_DWMAC_LIGHT=y
 CONFIG_MICROSEMI_PHY=y
 CONFIG_REALTEK_PHY=y
@@ -105,6 +110,7 @@ CONFIG_KEYBOARD_GPIO=y
 # CONFIG_INPUT_MOUSE is not set
 CONFIG_INPUT_TOUCHSCREEN=y
 CONFIG_TOUCHSCREEN_GOODIX=y
+CONFIG_TOUCHSCREEN_GT9XX=y
 CONFIG_INPUT_MISC=y
 CONFIG_INPUT_UINPUT=y
 CONFIG_SERIAL_8250=y
@@ -199,6 +205,8 @@ CONFIG_DRM_PANEL_SIMPLE=y
 CONFIG_DRM_PANEL_ILITEK_ILI9881C=y
 CONFIG_DRM_PANEL_ILI9881D=y
 CONFIG_DRM_PANEL_HX8394=y
+CONFIG_DRM_PANEL_JADARD_JD9365DA_H3=y
+CONFIG_DRM_PANEL_HX8279=y
 CONFIG_DRM_VERISILICON=y
 CONFIG_BACKLIGHT_CLASS_DEVICE=y
 CONFIG_BACKLIGHT_PWM=y
@@ -265,6 +273,11 @@ CONFIG_HWSPINLOCK=y
 CONFIG_HWSPINLOCK_LIGHT=y
 CONFIG_HWSPINLOCK_LIGHT_TEST=m
 CONFIG_MAILBOX=y
+CONFIG_RPMSG=y
+CONFIG_RPMSG_CHAR=y
+CONFIG_RPMSG_VIRTIO=y
+CONFIG_RPMSG_THEAD_LIGHT=y
+CONFIG_EXTCON=y
 CONFIG_IIO=y
 CONFIG_IIO_SW_DEVICE=y
 CONFIG_PWM=y
@@ -298,13 +311,21 @@ CONFIG_CRYPTO_AUTHENC=y
 CONFIG_CRYPTO_DH=y
 CONFIG_CRYPTO_CURVE25519=y
 CONFIG_CRYPTO_CHACHA20POLY1305=y
+CONFIG_CRYPTO_CBC=y
+CONFIG_CRYPTO_CTR=y
 CONFIG_CRYPTO_OFB=y
 CONFIG_CRYPTO_MD5=y
 CONFIG_CRYPTO_SHA512=y
 CONFIG_CRYPTO_SHA3=y
 CONFIG_CRYPTO_SM3=y
 CONFIG_CRYPTO_DES=y
+CONFIG_CRYPTO_SM4=y
+CONFIG_CRYPTO_USER=y
 CONFIG_CRYPTO_USER_API_HASH=y
+CONFIG_CRYPTO_USER_API_SKCIPHER=y
+CONFIG_CRYPTO_USER_API_RNG=y
+# CONFIG_CRYPTO_USER_API_RNG_CAVP is not set
+CONFIG_CRYPTO_USER_API_AEAD=y
 CONFIG_DMA_CMA=y
 CONFIG_DMA_PERNUMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=32
@@ -320,6 +341,15 @@ CONFIG_OVERLAY_FS=y
 CONFIG_LOCKUP_DETECTOR=y
 CONFIG_SOFTLOCKUP_DETECTOR=y
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_SCHED_INFO=y
 CONFIG_PM=y
 # CONFIG_SUSPEND is not set
 # CONFIG_PM_SLEEP is not set
+CONFIG_PM_DEVFREQ=y
+CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y
+CONFIG_DEVFREQ_GOV_PERFORMANCE=y
+CONFIG_DEVFREQ_GOV_POWERSAVE=y
+CONFIG_DEVFREQ_GOV_USERSPACE=y
+CONFIG_DEVFREQ_GOV_PASSIVE=y
+CONFIG_PM_DEVFREQ_EVENT=y
+

arch/riscv/configs/rv32_defconfig

@@ -18,6 +18,11 @@ CONFIG_SOC_SIFIVE=y
 CONFIG_SOC_VIRT=y
 CONFIG_ARCH_RV32I=y
 CONFIG_SMP=y
+CONFIG_HOTPLUG_CPU=y
+CONFIG_PM=y
+CONFIG_CPU_IDLE=y
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=m
 CONFIG_JUMP_LABEL=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y

arch/riscv/include/asm/Kbuild

@@ -3,7 +3,8 @@ generic-y += early_ioremap.h
 generic-y += extable.h
 generic-y += flat.h
 generic-y += kvm_para.h
+generic-y += mcs_spinlock.h
+generic-y += qspinlock.h
 generic-y += qrwlock.h
-generic-y += qrwlock_types.h
 generic-y += user.h
 generic-y += vmlinux.lds.h

arch/riscv/include/asm/asm.h

@@ -66,4 +66,31 @@
 #error "Unexpected __SIZEOF_SHORT__"
 #endif
 
+#ifdef __ASSEMBLY__
+
+/* Common assembly source macros */
+
+#ifdef CONFIG_XIP_KERNEL
+.macro XIP_FIXUP_OFFSET reg
+	REG_L t0, _xip_fixup
+	add \reg, \reg, t0
+.endm
+.macro XIP_FIXUP_FLASH_OFFSET reg
+	la t1, __data_loc
+	li t0, XIP_OFFSET_MASK
+	and t1, t1, t0
+	li t1, XIP_OFFSET
+	sub t0, t0, t1
+	sub \reg, \reg, t0
+.endm
+_xip_fixup: .dword CONFIG_PHYS_RAM_BASE - CONFIG_XIP_PHYS_ADDR - XIP_OFFSET
+#else
+.macro XIP_FIXUP_OFFSET reg
+.endm
+.macro XIP_FIXUP_FLASH_OFFSET reg
+.endm
+#endif /* CONFIG_XIP_KERNEL */
+
+#endif /* __ASSEMBLY__ */
+
 #endif /* _ASM_RISCV_ASM_H */

arch/riscv/include/asm/cmpxchg.h

@@ -11,12 +11,36 @@
 #include <asm/barrier.h>
 #include <asm/fence.h>
 
+static inline ulong __xchg16_relaxed(ulong new, void *ptr)
+{
+       ulong ret, tmp;
+       ulong shif = ((ulong)ptr & 2) ? 16 : 0;
+       ulong mask = 0xffff << shif;
+       ulong *__ptr = (ulong *)((ulong)ptr & ~2);
+
+       __asm__ __volatile__ (
+               "0:     lr.w %0, %2\n"
+               "       and  %1, %0, %z3\n"
+               "       or   %1, %1, %z4\n"
+               "       sc.w %1, %1, %2\n"
+               "       bnez %1, 0b\n"
+               : "=&r" (ret), "=&r" (tmp), "+A" (*__ptr)
+               : "rJ" (~mask), "rJ" (new << shif)
+               : "memory");
+
+       return (ulong)((ret & mask) >> shif);
+}
+
 #define __xchg_relaxed(ptr, new, size)					\
 ({									\
 	__typeof__(ptr) __ptr = (ptr);					\
 	__typeof__(new) __new = (new);					\
 	__typeof__(*(ptr)) __ret;					\
 	switch (size) {							\
+        case 2: {                                                       \
+                __ret = (__typeof__(*(ptr)))                            \
+                         __xchg16_relaxed((ulong)__new, __ptr);         \
+                break;}                                                 \
 	case 4:								\
 		__asm__ __volatile__ (					\
 			"	amoswap.w %0, %2, %1\n"			\

arch/riscv/include/asm/cpu_ops_sbi.h

@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2021 by Rivos Inc.
+ */
+#ifndef __ASM_CPU_OPS_SBI_H
+#define __ASM_CPU_OPS_SBI_H
+
+#ifndef __ASSEMBLY__
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/threads.h>
+
+/**
+ * struct sbi_hart_boot_data - Hart specific boot used during booting and
+ *			       cpu hotplug.
+ * @task_ptr: A pointer to the hart specific tp
+ * @stack_ptr: A pointer to the hart specific sp
+ */
+struct sbi_hart_boot_data {
+	void *task_ptr;
+	void *stack_ptr;
+};
+#endif
+
+#endif /* ifndef __ASM_CPU_OPS_SBI_H */

arch/riscv/include/asm/io.h

@@ -13,7 +13,6 @@
 
 #include <linux/types.h>
 #include <linux/pgtable.h>
-#include <asm/mmiowb.h>
 #include <asm/early_ioremap.h>
 
 /*

arch/riscv/include/asm/mmio.h

@@ -133,7 +133,7 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
 #define __io_br()	do {} while (0)
 #define __io_ar(v)	__asm__ __volatile__ ("fence i,r" : : : "memory")
 #define __io_bw()	__asm__ __volatile__ ("fence w,o" : : : "memory")
-#define __io_aw()	mmiowb_set_pending()
+#define __io_aw()	__asm__ __volatile__ ("fence o,w" : : : "memory")
 
 #define readb(c)	({ u8  __v; __io_br(); __v = readb_cpu(c); __io_ar(__v); __v; })
 #define readw(c)	({ u16 __v; __io_br(); __v = readw_cpu(c); __io_ar(__v); __v; })

arch/riscv/include/asm/mmiowb.h

@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-
-#ifndef _ASM_RISCV_MMIOWB_H
-#define _ASM_RISCV_MMIOWB_H
-
-/*
- * "o,w" is sufficient to ensure that all writes to the device have completed
- * before the write to the spinlock is allowed to commit.
- */
-#define mmiowb()	__asm__ __volatile__ ("fence o,w" : : : "memory");
-
-#include <linux/smp.h>
-#include <asm-generic/mmiowb.h>
-
-#endif	/* _ASM_RISCV_MMIOWB_H */

arch/riscv/include/asm/pgtable.h

@@ -446,7 +446,7 @@ static inline pgprot_t pgprot_writecombine(pgprot_t _prot)
 
 	return __pgprot(prot);
 }
-
+#define pgprot_dmacoherent   pgprot_writecombine
 /*
  * Encode and decode a swap entry
  *

arch/riscv/include/asm/sbi.h

@@ -61,13 +61,45 @@ enum sbi_ext_hsm_fid {
 	SBI_EXT_HSM_HART_START = 0,
 	SBI_EXT_HSM_HART_STOP,
 	SBI_EXT_HSM_HART_STATUS,
+	SBI_EXT_HSM_HART_SUSPEND,
 };
 
-enum sbi_hsm_hart_status {
+enum sbi_hsm_hart_state {
-	SBI_HSM_HART_STATUS_STARTED = 0,
+	SBI_HSM_STATE_STARTED = 0,
-	SBI_HSM_HART_STATUS_STOPPED,
+	SBI_HSM_STATE_STOPPED,
-	SBI_HSM_HART_STATUS_START_PENDING,
+	SBI_HSM_STATE_START_PENDING,
-	SBI_HSM_HART_STATUS_STOP_PENDING,
+	SBI_HSM_STATE_STOP_PENDING,
+	SBI_HSM_STATE_SUSPENDED,
+	SBI_HSM_STATE_SUSPEND_PENDING,
+	SBI_HSM_STATE_RESUME_PENDING,
+};
+
+#define SBI_HSM_SUSP_BASE_MASK			0x7fffffff
+#define SBI_HSM_SUSP_NON_RET_BIT		0x80000000
+#define SBI_HSM_SUSP_PLAT_BASE			0x10000000
+
+#define SBI_HSM_SUSPEND_RET_DEFAULT		0x00000000
+#define SBI_HSM_SUSPEND_RET_PLATFORM		SBI_HSM_SUSP_PLAT_BASE
+#define SBI_HSM_SUSPEND_RET_LAST		SBI_HSM_SUSP_BASE_MASK
+#define SBI_HSM_SUSPEND_NON_RET_DEFAULT		SBI_HSM_SUSP_NON_RET_BIT
+#define SBI_HSM_SUSPEND_NON_RET_PLATFORM	(SBI_HSM_SUSP_NON_RET_BIT | \
+						 SBI_HSM_SUSP_PLAT_BASE)
+#define SBI_HSM_SUSPEND_NON_RET_LAST		(SBI_HSM_SUSP_NON_RET_BIT | \
+						 SBI_HSM_SUSP_BASE_MASK)
+
+enum sbi_ext_srst_fid {
+	SBI_EXT_SRST_RESET = 0,
+};
+
+enum sbi_srst_reset_type {
+	SBI_SRST_RESET_TYPE_SHUTDOWN = 0,
+	SBI_SRST_RESET_TYPE_COLD_REBOOT,
+	SBI_SRST_RESET_TYPE_WARM_REBOOT,
+};
+
+enum sbi_srst_reset_reason {
+	SBI_SRST_RESET_REASON_NONE = 0,
+	SBI_SRST_RESET_REASON_SYS_FAILURE,
 };
 
 #define SBI_SPEC_VERSION_DEFAULT	0x1

arch/riscv/include/asm/spinlock.h

@@ -1,92 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 
-/*
- * 'Generic' ticket-lock implementation.
- *
- * It relies on atomic_fetch_add() having well defined forward progress
- * guarantees under contention. If your architecture cannot provide this, stick
- * to a test-and-set lock.
- *
- * It also relies on atomic_fetch_add() being safe vs smp_store_release() on a
- * sub-word of the value. This is generally true for anything LL/SC although
- * you'd be hard pressed to find anything useful in architecture specifications
- * about this. If your architecture cannot do this you might be better off with
- * a test-and-set.
- *
- * It further assumes atomic_*_release() + atomic_*_acquire() is RCpc and hence
- * uses atomic_fetch_add() which is RCsc to create an RCsc hot path, along with
- * a full fence after the spin to upgrade the otherwise-RCpc
- * atomic_cond_read_acquire().
- *
- * The implementation uses smp_cond_load_acquire() to spin, so if the
- * architecture has WFE like instructions to sleep instead of poll for word
- * modifications be sure to implement that (see ARM64 for example).
- *
- */
-
 #ifndef __ASM_GENERIC_SPINLOCK_H
 #define __ASM_GENERIC_SPINLOCK_H
 
-#include <linux/atomic.h>
+#include <asm-generic/qspinlock.h>
-#include <asm/spinlock_types.h>
-
-static __always_inline void arch_spin_lock(arch_spinlock_t *lock)
-{
-	u32 val = atomic_fetch_add(1<<16, lock);
-	u16 ticket = val >> 16;
-
-	if (ticket == (u16)val)
-		return;
-
-	/*
-	 * atomic_cond_read_acquire() is RCpc, but rather than defining a
-	 * custom cond_read_rcsc() here we just emit a full fence.  We only
-	 * need the prior reads before subsequent writes ordering from
-	 * smb_mb(), but as atomic_cond_read_acquire() just emits reads and we
-	 * have no outstanding writes due to the atomic_fetch_add() the extra
-	 * orderings are free.
-	 */
-	atomic_cond_read_acquire(lock, ticket == (u16)VAL);
-	smp_mb();
-}
-
-static __always_inline bool arch_spin_trylock(arch_spinlock_t *lock)
-{
-	u32 old = atomic_read(lock);
-
-	if ((old >> 16) != (old & 0xffff))
-		return false;
-
-	return atomic_try_cmpxchg(lock, &old, old + (1<<16)); /* SC, for RCsc */
-}
-
-static __always_inline void arch_spin_unlock(arch_spinlock_t *lock)
-{
-	u16 *ptr = (u16 *)lock + IS_ENABLED(CONFIG_CPU_BIG_ENDIAN);
-	u32 val = atomic_read(lock);
-
-	smp_store_release(ptr, (u16)val + 1);
-}
-
-static __always_inline int arch_spin_is_locked(arch_spinlock_t *lock)
-{
-	u32 val = atomic_read(lock);
-
-	return ((val >> 16) != (val & 0xffff));
-}
-
-static __always_inline int arch_spin_is_contended(arch_spinlock_t *lock)
-{
-	u32 val = atomic_read(lock);
-
-	return (s16)((val >> 16) - (val & 0xffff)) > 1;
-}
-
-static __always_inline int arch_spin_value_unlocked(arch_spinlock_t lock)
-{
-	return !arch_spin_is_locked(&lock);
-}
-
 #include <asm/qrwlock.h>
 
 #endif /* __ASM_GENERIC_SPINLOCK_H */

arch/riscv/include/asm/spinlock_types.h

@@ -3,15 +3,7 @@
 #ifndef __ASM_GENERIC_SPINLOCK_TYPES_H
 #define __ASM_GENERIC_SPINLOCK_TYPES_H
 
-#include <linux/types.h>
+#include <asm-generic/qspinlock_types.h>
-typedef atomic_t arch_spinlock_t;
+#include <asm-generic/qrwlock_types.h>
-
-/*
- * qrwlock_types depends on arch_spinlock_t, so we must typedef that before the
- * include.
- */
-#include <asm/qrwlock_types.h>
-
-#define __ARCH_SPIN_LOCK_UNLOCKED	ATOMIC_INIT(0)
 
 #endif /* __ASM_GENERIC_SPINLOCK_TYPES_H */

arch/riscv/include/asm/suspend.h

@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2021 Western Digital Corporation or its affiliates.
+ * Copyright (c) 2022 Ventana Micro Systems Inc.
+ */
+
+#ifndef _ASM_RISCV_SUSPEND_H
+#define _ASM_RISCV_SUSPEND_H
+
+#include <asm/ptrace.h>
+
+struct suspend_context {
+	/* Saved and restored by low-level functions */
+	struct pt_regs regs;
+	/* Saved and restored by high-level functions */
+	unsigned long scratch;
+	unsigned long tvec;
+	unsigned long ie;
+#ifdef CONFIG_MMU
+	unsigned long satp;
+#endif
+};
+
+/* Low-level CPU suspend entry function */
+int __cpu_suspend_enter(struct suspend_context *context);
+
+/* High-level CPU suspend which will save context and call finish() */
+int cpu_suspend(unsigned long arg,
+		int (*finish)(unsigned long arg,
+			      unsigned long entry,
+			      unsigned long context));
+
+/* Low-level CPU resume entry function */
+int __cpu_resume_enter(unsigned long hartid, unsigned long context);
+
+#endif

arch/riscv/kernel/Makefile

@@ -48,6 +48,8 @@ obj-$(CONFIG_SMP)		+= cpu_ops_spinwait.o
 obj-$(CONFIG_MODULES)		+= module.o
 obj-$(CONFIG_MODULE_SECTIONS)	+= module-sections.o
 
+obj-$(CONFIG_CPU_PM)		+= suspend_entry.o suspend.o
+
 obj-$(CONFIG_FUNCTION_TRACER)	+= mcount.o ftrace.o
 obj-$(CONFIG_DYNAMIC_FTRACE)	+= mcount-dyn.o
 

arch/riscv/kernel/asm-offsets.c

@@ -10,6 +10,10 @@
 #include <linux/sched.h>
 #include <asm/thread_info.h>
 #include <asm/ptrace.h>
+#include <asm/cpu_ops_sbi.h>
+#include <asm/suspend.h>
+
+void asm_offsets(void);
 
 void asm_offsets(void)
 {
@@ -149,6 +153,162 @@ void asm_offsets(void)
 	OFFSET(PT_BADADDR, pt_regs, badaddr);
 	OFFSET(PT_CAUSE, pt_regs, cause);
 
+	OFFSET(SUSPEND_CONTEXT_REGS, suspend_context, regs);
+#if 0
+	OFFSET(KVM_ARCH_GUEST_ZERO, kvm_vcpu_arch, guest_context.zero);
+	OFFSET(KVM_ARCH_GUEST_RA, kvm_vcpu_arch, guest_context.ra);
+	OFFSET(KVM_ARCH_GUEST_SP, kvm_vcpu_arch, guest_context.sp);
+	OFFSET(KVM_ARCH_GUEST_GP, kvm_vcpu_arch, guest_context.gp);
+	OFFSET(KVM_ARCH_GUEST_TP, kvm_vcpu_arch, guest_context.tp);
+	OFFSET(KVM_ARCH_GUEST_T0, kvm_vcpu_arch, guest_context.t0);
+	OFFSET(KVM_ARCH_GUEST_T1, kvm_vcpu_arch, guest_context.t1);
+	OFFSET(KVM_ARCH_GUEST_T2, kvm_vcpu_arch, guest_context.t2);
+	OFFSET(KVM_ARCH_GUEST_S0, kvm_vcpu_arch, guest_context.s0);
+	OFFSET(KVM_ARCH_GUEST_S1, kvm_vcpu_arch, guest_context.s1);
+	OFFSET(KVM_ARCH_GUEST_A0, kvm_vcpu_arch, guest_context.a0);
+	OFFSET(KVM_ARCH_GUEST_A1, kvm_vcpu_arch, guest_context.a1);
+	OFFSET(KVM_ARCH_GUEST_A2, kvm_vcpu_arch, guest_context.a2);
+	OFFSET(KVM_ARCH_GUEST_A3, kvm_vcpu_arch, guest_context.a3);
+	OFFSET(KVM_ARCH_GUEST_A4, kvm_vcpu_arch, guest_context.a4);
+	OFFSET(KVM_ARCH_GUEST_A5, kvm_vcpu_arch, guest_context.a5);
+	OFFSET(KVM_ARCH_GUEST_A6, kvm_vcpu_arch, guest_context.a6);
+	OFFSET(KVM_ARCH_GUEST_A7, kvm_vcpu_arch, guest_context.a7);
+	OFFSET(KVM_ARCH_GUEST_S2, kvm_vcpu_arch, guest_context.s2);
+	OFFSET(KVM_ARCH_GUEST_S3, kvm_vcpu_arch, guest_context.s3);
+	OFFSET(KVM_ARCH_GUEST_S4, kvm_vcpu_arch, guest_context.s4);
+	OFFSET(KVM_ARCH_GUEST_S5, kvm_vcpu_arch, guest_context.s5);
+	OFFSET(KVM_ARCH_GUEST_S6, kvm_vcpu_arch, guest_context.s6);
+	OFFSET(KVM_ARCH_GUEST_S7, kvm_vcpu_arch, guest_context.s7);
+	OFFSET(KVM_ARCH_GUEST_S8, kvm_vcpu_arch, guest_context.s8);
+	OFFSET(KVM_ARCH_GUEST_S9, kvm_vcpu_arch, guest_context.s9);
+	OFFSET(KVM_ARCH_GUEST_S10, kvm_vcpu_arch, guest_context.s10);
+	OFFSET(KVM_ARCH_GUEST_S11, kvm_vcpu_arch, guest_context.s11);
+	OFFSET(KVM_ARCH_GUEST_T3, kvm_vcpu_arch, guest_context.t3);
+	OFFSET(KVM_ARCH_GUEST_T4, kvm_vcpu_arch, guest_context.t4);
+	OFFSET(KVM_ARCH_GUEST_T5, kvm_vcpu_arch, guest_context.t5);
+	OFFSET(KVM_ARCH_GUEST_T6, kvm_vcpu_arch, guest_context.t6);
+	OFFSET(KVM_ARCH_GUEST_SEPC, kvm_vcpu_arch, guest_context.sepc);
+	OFFSET(KVM_ARCH_GUEST_SSTATUS, kvm_vcpu_arch, guest_context.sstatus);
+	OFFSET(KVM_ARCH_GUEST_HSTATUS, kvm_vcpu_arch, guest_context.hstatus);
+	OFFSET(KVM_ARCH_GUEST_SCOUNTEREN, kvm_vcpu_arch, guest_csr.scounteren);
+
+	OFFSET(KVM_ARCH_HOST_ZERO, kvm_vcpu_arch, host_context.zero);
+	OFFSET(KVM_ARCH_HOST_RA, kvm_vcpu_arch, host_context.ra);
+	OFFSET(KVM_ARCH_HOST_SP, kvm_vcpu_arch, host_context.sp);
+	OFFSET(KVM_ARCH_HOST_GP, kvm_vcpu_arch, host_context.gp);
+	OFFSET(KVM_ARCH_HOST_TP, kvm_vcpu_arch, host_context.tp);
+	OFFSET(KVM_ARCH_HOST_T0, kvm_vcpu_arch, host_context.t0);
+	OFFSET(KVM_ARCH_HOST_T1, kvm_vcpu_arch, host_context.t1);
+	OFFSET(KVM_ARCH_HOST_T2, kvm_vcpu_arch, host_context.t2);
+	OFFSET(KVM_ARCH_HOST_S0, kvm_vcpu_arch, host_context.s0);
+	OFFSET(KVM_ARCH_HOST_S1, kvm_vcpu_arch, host_context.s1);
+	OFFSET(KVM_ARCH_HOST_A0, kvm_vcpu_arch, host_context.a0);
+	OFFSET(KVM_ARCH_HOST_A1, kvm_vcpu_arch, host_context.a1);
+	OFFSET(KVM_ARCH_HOST_A2, kvm_vcpu_arch, host_context.a2);
+	OFFSET(KVM_ARCH_HOST_A3, kvm_vcpu_arch, host_context.a3);
+	OFFSET(KVM_ARCH_HOST_A4, kvm_vcpu_arch, host_context.a4);
+	OFFSET(KVM_ARCH_HOST_A5, kvm_vcpu_arch, host_context.a5);
+	OFFSET(KVM_ARCH_HOST_A6, kvm_vcpu_arch, host_context.a6);
+	OFFSET(KVM_ARCH_HOST_A7, kvm_vcpu_arch, host_context.a7);
+	OFFSET(KVM_ARCH_HOST_S2, kvm_vcpu_arch, host_context.s2);
+	OFFSET(KVM_ARCH_HOST_S3, kvm_vcpu_arch, host_context.s3);
+	OFFSET(KVM_ARCH_HOST_S4, kvm_vcpu_arch, host_context.s4);
+	OFFSET(KVM_ARCH_HOST_S5, kvm_vcpu_arch, host_context.s5);
+	OFFSET(KVM_ARCH_HOST_S6, kvm_vcpu_arch, host_context.s6);
+	OFFSET(KVM_ARCH_HOST_S7, kvm_vcpu_arch, host_context.s7);
+	OFFSET(KVM_ARCH_HOST_S8, kvm_vcpu_arch, host_context.s8);
+	OFFSET(KVM_ARCH_HOST_S9, kvm_vcpu_arch, host_context.s9);
+	OFFSET(KVM_ARCH_HOST_S10, kvm_vcpu_arch, host_context.s10);
+	OFFSET(KVM_ARCH_HOST_S11, kvm_vcpu_arch, host_context.s11);
+	OFFSET(KVM_ARCH_HOST_T3, kvm_vcpu_arch, host_context.t3);
+	OFFSET(KVM_ARCH_HOST_T4, kvm_vcpu_arch, host_context.t4);
+	OFFSET(KVM_ARCH_HOST_T5, kvm_vcpu_arch, host_context.t5);
+	OFFSET(KVM_ARCH_HOST_T6, kvm_vcpu_arch, host_context.t6);
+	OFFSET(KVM_ARCH_HOST_SEPC, kvm_vcpu_arch, host_context.sepc);
+	OFFSET(KVM_ARCH_HOST_SSTATUS, kvm_vcpu_arch, host_context.sstatus);
+	OFFSET(KVM_ARCH_HOST_HSTATUS, kvm_vcpu_arch, host_context.hstatus);
+	OFFSET(KVM_ARCH_HOST_SSCRATCH, kvm_vcpu_arch, host_sscratch);
+	OFFSET(KVM_ARCH_HOST_STVEC, kvm_vcpu_arch, host_stvec);
+	OFFSET(KVM_ARCH_HOST_SCOUNTEREN, kvm_vcpu_arch, host_scounteren);
+
+	OFFSET(KVM_ARCH_TRAP_SEPC, kvm_cpu_trap, sepc);
+	OFFSET(KVM_ARCH_TRAP_SCAUSE, kvm_cpu_trap, scause);
+	OFFSET(KVM_ARCH_TRAP_STVAL, kvm_cpu_trap, stval);
+	OFFSET(KVM_ARCH_TRAP_HTVAL, kvm_cpu_trap, htval);
+	OFFSET(KVM_ARCH_TRAP_HTINST, kvm_cpu_trap, htinst);
+
+	/* F extension */
+
+	OFFSET(KVM_ARCH_FP_F_F0, kvm_cpu_context, fp.f.f[0]);
+	OFFSET(KVM_ARCH_FP_F_F1, kvm_cpu_context, fp.f.f[1]);
+	OFFSET(KVM_ARCH_FP_F_F2, kvm_cpu_context, fp.f.f[2]);
+	OFFSET(KVM_ARCH_FP_F_F3, kvm_cpu_context, fp.f.f[3]);
+	OFFSET(KVM_ARCH_FP_F_F4, kvm_cpu_context, fp.f.f[4]);
+	OFFSET(KVM_ARCH_FP_F_F5, kvm_cpu_context, fp.f.f[5]);
+	OFFSET(KVM_ARCH_FP_F_F6, kvm_cpu_context, fp.f.f[6]);
+	OFFSET(KVM_ARCH_FP_F_F7, kvm_cpu_context, fp.f.f[7]);
+	OFFSET(KVM_ARCH_FP_F_F8, kvm_cpu_context, fp.f.f[8]);
+	OFFSET(KVM_ARCH_FP_F_F9, kvm_cpu_context, fp.f.f[9]);
+	OFFSET(KVM_ARCH_FP_F_F10, kvm_cpu_context, fp.f.f[10]);
+	OFFSET(KVM_ARCH_FP_F_F11, kvm_cpu_context, fp.f.f[11]);
+	OFFSET(KVM_ARCH_FP_F_F12, kvm_cpu_context, fp.f.f[12]);
+	OFFSET(KVM_ARCH_FP_F_F13, kvm_cpu_context, fp.f.f[13]);
+	OFFSET(KVM_ARCH_FP_F_F14, kvm_cpu_context, fp.f.f[14]);
+	OFFSET(KVM_ARCH_FP_F_F15, kvm_cpu_context, fp.f.f[15]);
+	OFFSET(KVM_ARCH_FP_F_F16, kvm_cpu_context, fp.f.f[16]);
+	OFFSET(KVM_ARCH_FP_F_F17, kvm_cpu_context, fp.f.f[17]);
+	OFFSET(KVM_ARCH_FP_F_F18, kvm_cpu_context, fp.f.f[18]);
+	OFFSET(KVM_ARCH_FP_F_F19, kvm_cpu_context, fp.f.f[19]);
+	OFFSET(KVM_ARCH_FP_F_F20, kvm_cpu_context, fp.f.f[20]);
+	OFFSET(KVM_ARCH_FP_F_F21, kvm_cpu_context, fp.f.f[21]);
+	OFFSET(KVM_ARCH_FP_F_F22, kvm_cpu_context, fp.f.f[22]);
+	OFFSET(KVM_ARCH_FP_F_F23, kvm_cpu_context, fp.f.f[23]);
+	OFFSET(KVM_ARCH_FP_F_F24, kvm_cpu_context, fp.f.f[24]);
+	OFFSET(KVM_ARCH_FP_F_F25, kvm_cpu_context, fp.f.f[25]);
+	OFFSET(KVM_ARCH_FP_F_F26, kvm_cpu_context, fp.f.f[26]);
+	OFFSET(KVM_ARCH_FP_F_F27, kvm_cpu_context, fp.f.f[27]);
+	OFFSET(KVM_ARCH_FP_F_F28, kvm_cpu_context, fp.f.f[28]);
+	OFFSET(KVM_ARCH_FP_F_F29, kvm_cpu_context, fp.f.f[29]);
+	OFFSET(KVM_ARCH_FP_F_F30, kvm_cpu_context, fp.f.f[30]);
+	OFFSET(KVM_ARCH_FP_F_F31, kvm_cpu_context, fp.f.f[31]);
+	OFFSET(KVM_ARCH_FP_F_FCSR, kvm_cpu_context, fp.f.fcsr);
+
+	/* D extension */
+
+	OFFSET(KVM_ARCH_FP_D_F0, kvm_cpu_context, fp.d.f[0]);
+	OFFSET(KVM_ARCH_FP_D_F1, kvm_cpu_context, fp.d.f[1]);
+	OFFSET(KVM_ARCH_FP_D_F2, kvm_cpu_context, fp.d.f[2]);
+	OFFSET(KVM_ARCH_FP_D_F3, kvm_cpu_context, fp.d.f[3]);
+	OFFSET(KVM_ARCH_FP_D_F4, kvm_cpu_context, fp.d.f[4]);
+	OFFSET(KVM_ARCH_FP_D_F5, kvm_cpu_context, fp.d.f[5]);
+	OFFSET(KVM_ARCH_FP_D_F6, kvm_cpu_context, fp.d.f[6]);
+	OFFSET(KVM_ARCH_FP_D_F7, kvm_cpu_context, fp.d.f[7]);
+	OFFSET(KVM_ARCH_FP_D_F8, kvm_cpu_context, fp.d.f[8]);
+	OFFSET(KVM_ARCH_FP_D_F9, kvm_cpu_context, fp.d.f[9]);
+	OFFSET(KVM_ARCH_FP_D_F10, kvm_cpu_context, fp.d.f[10]);
+	OFFSET(KVM_ARCH_FP_D_F11, kvm_cpu_context, fp.d.f[11]);
+	OFFSET(KVM_ARCH_FP_D_F12, kvm_cpu_context, fp.d.f[12]);
+	OFFSET(KVM_ARCH_FP_D_F13, kvm_cpu_context, fp.d.f[13]);
+	OFFSET(KVM_ARCH_FP_D_F14, kvm_cpu_context, fp.d.f[14]);
+	OFFSET(KVM_ARCH_FP_D_F15, kvm_cpu_context, fp.d.f[15]);
+	OFFSET(KVM_ARCH_FP_D_F16, kvm_cpu_context, fp.d.f[16]);
+	OFFSET(KVM_ARCH_FP_D_F17, kvm_cpu_context, fp.d.f[17]);
+	OFFSET(KVM_ARCH_FP_D_F18, kvm_cpu_context, fp.d.f[18]);
+	OFFSET(KVM_ARCH_FP_D_F19, kvm_cpu_context, fp.d.f[19]);
+	OFFSET(KVM_ARCH_FP_D_F20, kvm_cpu_context, fp.d.f[20]);
+	OFFSET(KVM_ARCH_FP_D_F21, kvm_cpu_context, fp.d.f[21]);
+	OFFSET(KVM_ARCH_FP_D_F22, kvm_cpu_context, fp.d.f[22]);
+	OFFSET(KVM_ARCH_FP_D_F23, kvm_cpu_context, fp.d.f[23]);
+	OFFSET(KVM_ARCH_FP_D_F24, kvm_cpu_context, fp.d.f[24]);
+	OFFSET(KVM_ARCH_FP_D_F25, kvm_cpu_context, fp.d.f[25]);
+	OFFSET(KVM_ARCH_FP_D_F26, kvm_cpu_context, fp.d.f[26]);
+	OFFSET(KVM_ARCH_FP_D_F27, kvm_cpu_context, fp.d.f[27]);
+	OFFSET(KVM_ARCH_FP_D_F28, kvm_cpu_context, fp.d.f[28]);
+	OFFSET(KVM_ARCH_FP_D_F29, kvm_cpu_context, fp.d.f[29]);
+	OFFSET(KVM_ARCH_FP_D_F30, kvm_cpu_context, fp.d.f[30]);
+	OFFSET(KVM_ARCH_FP_D_F31, kvm_cpu_context, fp.d.f[31]);
+	OFFSET(KVM_ARCH_FP_D_FCSR, kvm_cpu_context, fp.d.fcsr);
+#endif
 	/*
 	 * THREAD_{F,X}* might be larger than a S-type offset can handle, but
 	 * these are used in performance-sensitive assembly so we can't resort
@@ -500,4 +660,9 @@ void asm_offsets(void)
 	 * ensures the alignment is sane.
 	 */
 	DEFINE(PT_SIZE_ON_STACK, ALIGN(sizeof(struct pt_regs), STACK_ALIGN));
+#if 0
+	OFFSET(KERNEL_MAP_VIRT_ADDR, kernel_mapping, virt_addr);
+#endif
+	OFFSET(SBI_HART_BOOT_TASK_PTR_OFFSET, sbi_hart_boot_data, task_ptr);
+	OFFSET(SBI_HART_BOOT_STACK_PTR_OFFSET, sbi_hart_boot_data, stack_ptr);
 }

arch/riscv/kernel/cpu_ops_sbi.c

@@ -7,13 +7,22 @@
 
 #include <linux/init.h>
 #include <linux/mm.h>
+#include <linux/sched/task_stack.h>
 #include <asm/cpu_ops.h>
+#include <asm/cpu_ops_sbi.h>
 #include <asm/sbi.h>
 #include <asm/smp.h>
 
 extern char secondary_start_sbi[];
 const struct cpu_operations cpu_ops_sbi;
 
+/*
+ * Ordered booting via HSM brings one cpu at a time. However, cpu hotplug can
+ * be invoked from multiple threads in parallel. Define a per cpu data
+ * to handle that.
+ */
+DEFINE_PER_CPU(struct sbi_hart_boot_data, boot_data);
+
 static int sbi_hsm_hart_start(unsigned long hartid, unsigned long saddr,
 			      unsigned long priv)
 {
@@ -55,14 +64,19 @@ static int sbi_hsm_hart_get_status(unsigned long hartid)
 
 static int sbi_cpu_start(unsigned int cpuid, struct task_struct *tidle)
 {
-	int rc;
 	unsigned long boot_addr = __pa_symbol(secondary_start_sbi);
 	int hartid = cpuid_to_hartid_map(cpuid);
+	unsigned long hsm_data;
+	struct sbi_hart_boot_data *bdata = &per_cpu(boot_data, cpuid);
 
-	cpu_update_secondary_bootdata(cpuid, tidle);
+	/* Make sure tidle is updated */
-	rc = sbi_hsm_hart_start(hartid, boot_addr, 0);
+	smp_mb();
-
+	bdata->task_ptr = tidle;
-	return rc;
+	bdata->stack_ptr = task_stack_page(tidle) + THREAD_SIZE;
+	/* Make sure boot data is updated */
+	smp_mb();
+	hsm_data = __pa(bdata);
+	return sbi_hsm_hart_start(hartid, boot_addr, hsm_data);
 }
 
 static int sbi_cpu_prepare(unsigned int cpuid)
@@ -97,7 +111,7 @@ static int sbi_cpu_is_stopped(unsigned int cpuid)
 
 	rc = sbi_hsm_hart_get_status(hartid);
 
-	if (rc == SBI_HSM_HART_STATUS_STOPPED)
+	if (rc == SBI_HSM_STATE_STOPPED)
 		return 0;
 	return rc;
 }

arch/riscv/kernel/head.S

@@ -10,6 +10,7 @@
 #include <asm/thread_info.h>
 #include <asm/page.h>
 #include <asm/csr.h>
+#include <asm/cpu_ops_sbi.h>
 #include <asm/hwcap.h>
 #include <asm/image.h>
 #include "efi-header.S"
@@ -67,7 +68,8 @@ pe_head_start:
 
 .align 2
 #ifdef CONFIG_MMU
-relocate:
+	.global relocate_enable_mmu
+relocate_enable_mmu:
 	/* Relocate return address */
 	li a1, PAGE_OFFSET
 	la a2, _start
@@ -142,13 +144,15 @@ secondary_start_sbi:
 	la a3, .Lsecondary_park
 	csrw CSR_TVEC, a3
 
-	slli a3, a0, LGREG
+	/* a0 contains the hartid & a1 contains boot data */
-	la a4, __cpu_up_stack_pointer
+	li a2, SBI_HART_BOOT_TASK_PTR_OFFSET
-	la a5, __cpu_up_task_pointer
+	XIP_FIXUP_OFFSET a2
-	add a4, a3, a4
+	add a2, a2, a1
-	add a5, a3, a5
+	REG_L tp, (a2)
-	REG_L sp, (a4)
+	li a3, SBI_HART_BOOT_STACK_PTR_OFFSET
-	REG_L tp, (a5)
+	XIP_FIXUP_OFFSET a3
+	add a3, a3, a1
+	REG_L sp, (a3)
 
 	.global secondary_start_common
 secondary_start_common:
@@ -156,7 +160,8 @@ secondary_start_common:
 #ifdef CONFIG_MMU
 	/* Enable virtual memory and relocate to virtual address */
 	la a0, swapper_pg_dir
-	call relocate
+	XIP_FIXUP_OFFSET a0
+	call relocate_enable_mmu
 #endif
 	call setup_trap_vector
 	tail smp_callin
@@ -266,7 +271,8 @@ clear_bss_done:
 	call setup_vm
 #ifdef CONFIG_MMU
 	la a0, early_pg_dir
-	call relocate
+	XIP_FIXUP_OFFSET a0
+	call relocate_enable_mmu
 #endif /* CONFIG_MMU */
 
 	call setup_trap_vector

arch/riscv/kernel/perf_callchain.c

@@ -77,7 +77,7 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry,
 
 bool fill_callchain(unsigned long pc, unsigned long regs, void *entry)
 {
-	return perf_callchain_store(entry, pc) == 0;
+	return perf_callchain_store(entry, pc);
 }
 
 void notrace walk_stackframe(struct task_struct *task,

arch/riscv/kernel/probes/decode-insn.c

@@ -38,11 +38,10 @@ riscv_probe_decode_insn(probe_opcode_t *addr, struct arch_probe_insn *api)
 	RISCV_INSN_REJECTED(c_ebreak,		insn);
 #endif
 
-	RISCV_INSN_REJECTED(auipc,		insn);
-	RISCV_INSN_REJECTED(branch,		insn);
-
 	RISCV_INSN_SET_SIMULATE(jal,		insn);
 	RISCV_INSN_SET_SIMULATE(jalr,		insn);
+	RISCV_INSN_SET_SIMULATE(auipc,		insn);
+	RISCV_INSN_SET_SIMULATE(branch,		insn);
 
 	return INSN_GOOD;
 }

arch/riscv/kernel/probes/simulate-insn.c

@@ -83,3 +83,115 @@ bool __kprobes simulate_jalr(u32 opcode, unsigned long addr, struct pt_regs *reg
 
 	return ret;
 }
+
+#define auipc_rd_idx(opcode) \
+	((opcode >> 7) & 0x1f)
+
+#define auipc_imm(opcode) \
+	((((opcode) >> 12) & 0xfffff) << 12)
+
+#if __riscv_xlen == 64
+#define auipc_offset(opcode)	sign_extend64(auipc_imm(opcode), 31)
+#elif __riscv_xlen == 32
+#define auipc_offset(opcode)	auipc_imm(opcode)
+#else
+#error "Unexpected __riscv_xlen"
+#endif
+
+bool __kprobes simulate_auipc(u32 opcode, unsigned long addr, struct pt_regs *regs)
+{
+	/*
+	 * auipc instruction:
+	 *  31        12 11 7 6      0
+	 * | imm[31:12] | rd | opcode |
+	 *        20       5     7
+	 */
+
+	u32 rd_idx = auipc_rd_idx(opcode);
+	unsigned long rd_val = addr + auipc_offset(opcode);
+
+	if (!rv_insn_reg_set_val(regs, rd_idx, rd_val))
+		return false;
+
+	instruction_pointer_set(regs, addr + 4);
+
+	return true;
+}
+
+#define branch_rs1_idx(opcode) \
+	(((opcode) >> 15) & 0x1f)
+
+#define branch_rs2_idx(opcode) \
+	(((opcode) >> 20) & 0x1f)
+
+#define branch_funct3(opcode) \
+	(((opcode) >> 12) & 0x7)
+
+#define branch_imm(opcode) \
+	(((((opcode) >>  8) & 0xf ) <<  1) | \
+	 ((((opcode) >> 25) & 0x3f) <<  5) | \
+	 ((((opcode) >>  7) & 0x1 ) << 11) | \
+	 ((((opcode) >> 31) & 0x1 ) << 12))
+
+#define branch_offset(opcode) \
+	sign_extend32((branch_imm(opcode)), 12)
+
+#define BRANCH_BEQ	0x0
+#define BRANCH_BNE	0x1
+#define BRANCH_BLT	0x4
+#define BRANCH_BGE	0x5
+#define BRANCH_BLTU	0x6
+#define BRANCH_BGEU	0x7
+
+bool __kprobes simulate_branch(u32 opcode, unsigned long addr, struct pt_regs *regs)
+{
+	/*
+	 * branch instructions:
+	 *      31    30       25 24 20 19 15 14    12 11       8    7      6      0
+	 * | imm[12] | imm[10:5] | rs2 | rs1 | funct3 | imm[4:1] | imm[11] | opcode |
+	 *     1           6        5     5      3         4         1         7
+	 *     imm[12|10:5]        rs2   rs1    000       imm[4:1|11]       1100011  BEQ
+	 *     imm[12|10:5]        rs2   rs1    001       imm[4:1|11]       1100011  BNE
+	 *     imm[12|10:5]        rs2   rs1    100       imm[4:1|11]       1100011  BLT
+	 *     imm[12|10:5]        rs2   rs1    101       imm[4:1|11]       1100011  BGE
+	 *     imm[12|10:5]        rs2   rs1    110       imm[4:1|11]       1100011  BLTU
+	 *     imm[12|10:5]        rs2   rs1    111       imm[4:1|11]       1100011  BGEU
+	 */
+
+	s32 offset;
+	s32 offset_tmp;
+	unsigned long rs1_val;
+	unsigned long rs2_val;
+
+	if (!rv_insn_reg_get_val(regs, branch_rs1_idx(opcode), &rs1_val) ||
+	    !rv_insn_reg_get_val(regs, branch_rs2_idx(opcode), &rs2_val))
+		return false;
+
+	offset_tmp = branch_offset(opcode);
+	switch (branch_funct3(opcode)) {
+	case BRANCH_BEQ:
+		offset = (rs1_val == rs2_val) ? offset_tmp : 4;
+		break;
+	case BRANCH_BNE:
+		offset = (rs1_val != rs2_val) ? offset_tmp : 4;
+		break;
+	case BRANCH_BLT:
+		offset = ((long)rs1_val < (long)rs2_val) ? offset_tmp : 4;
+		break;
+	case BRANCH_BGE:
+		offset = ((long)rs1_val >= (long)rs2_val) ? offset_tmp : 4;
+		break;
+	case BRANCH_BLTU:
+		offset = (rs1_val < rs2_val) ? offset_tmp : 4;
+		break;
+	case BRANCH_BGEU:
+		offset = (rs1_val >= rs2_val) ? offset_tmp : 4;
+		break;
+	default:
+		return false;
+	}
+
+	instruction_pointer_set(regs, addr + offset);
+
+	return true;
+}

arch/riscv/kernel/process.c

@@ -23,6 +23,7 @@
 #include <asm/string.h>
 #include <asm/switch_to.h>
 #include <asm/thread_info.h>
+#include <asm/cpuidle.h>
 
 register unsigned long gp_in_global __asm__("gp");
 
@@ -37,7 +38,7 @@ extern asmlinkage void ret_from_kernel_thread(void);
 
 void arch_cpu_idle(void)
 {
-	wait_for_interrupt();
+	cpu_do_idle();
 	raw_local_irq_enable();
 }
 

arch/riscv/kernel/ptrace.c

@@ -97,6 +97,7 @@ static int riscv_vr_get(struct task_struct *target,
 	struct __riscv_v_state *vstate = &target->thread.vstate;
 
 	membuf_write(&to, vstate, offsetof(struct __riscv_v_state, vtype));
+	membuf_store(&to, vstate->vtype);
 	return membuf_zero(&to, 4);	// explicitly pad
 }
 

arch/riscv/kernel/suspend.c

@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2021 Western Digital Corporation or its affiliates.
+ * Copyright (c) 2022 Ventana Micro Systems Inc.
+ */
+
+#include <linux/ftrace.h>
+#include <asm/csr.h>
+#include <asm/suspend.h>
+
+static void suspend_save_csrs(struct suspend_context *context)
+{
+	context->scratch = csr_read(CSR_SCRATCH);
+	context->tvec = csr_read(CSR_TVEC);
+	context->ie = csr_read(CSR_IE);
+
+	/*
+	 * No need to save/restore IP CSR (i.e. MIP or SIP) because:
+	 *
+	 * 1. For no-MMU (M-mode) kernel, the bits in MIP are set by
+	 *    external devices (such as interrupt controller, timer, etc).
+	 * 2. For MMU (S-mode) kernel, the bits in SIP are set by
+	 *    M-mode firmware and external devices (such as interrupt
+	 *    controller, etc).
+	 */
+
+#ifdef CONFIG_MMU
+	context->satp = csr_read(CSR_SATP);
+#endif
+}
+
+static void suspend_restore_csrs(struct suspend_context *context)
+{
+	csr_write(CSR_SCRATCH, context->scratch);
+	csr_write(CSR_TVEC, context->tvec);
+	csr_write(CSR_IE, context->ie);
+
+#ifdef CONFIG_MMU
+	csr_write(CSR_SATP, context->satp);
+#endif
+}
+
+int cpu_suspend(unsigned long arg,
+		int (*finish)(unsigned long arg,
+			      unsigned long entry,
+			      unsigned long context))
+{
+	int rc = 0;
+	struct suspend_context context = { 0 };
+
+	/* Finisher should be non-NULL */
+	if (!finish)
+		return -EINVAL;
+
+	/* Save additional CSRs*/
+	suspend_save_csrs(&context);
+
+	/*
+	 * Function graph tracer state gets incosistent when the kernel
+	 * calls functions that never return (aka finishers) hence disable
+	 * graph tracing during their execution.
+	 */
+	pause_graph_tracing();
+
+	/* Save context on stack */
+	if (__cpu_suspend_enter(&context)) {
+		/* Call the finisher */
+		rc = finish(arg, __pa_symbol(__cpu_resume_enter),
+			    (ulong)&context);
+
+		/*
+		 * Should never reach here, unless the suspend finisher
+		 * fails. Successful cpu_suspend() should return from
+		 * __cpu_resume_entry()
+		 */
+		if (!rc)
+			rc = -EOPNOTSUPP;
+	}
+
+	/* Enable function graph tracer */
+	unpause_graph_tracing();
+
+	/* Restore additional CSRs */
+	suspend_restore_csrs(&context);
+
+	return rc;
+}

arch/riscv/kernel/suspend_entry.S

@@ -0,0 +1,124 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2021 Western Digital Corporation or its affiliates.
+ * Copyright (c) 2022 Ventana Micro Systems Inc.
+ */
+
+#include <linux/linkage.h>
+#include <asm/asm.h>
+#include <asm/asm-offsets.h>
+#include <asm/csr.h>
+
+	.text
+	.altmacro
+	.option norelax
+
+ENTRY(__cpu_suspend_enter)
+	/* Save registers (except A0 and T0-T6) */
+	REG_S	ra, (SUSPEND_CONTEXT_REGS + PT_RA)(a0)
+	REG_S	sp, (SUSPEND_CONTEXT_REGS + PT_SP)(a0)
+	REG_S	gp, (SUSPEND_CONTEXT_REGS + PT_GP)(a0)
+	REG_S	tp, (SUSPEND_CONTEXT_REGS + PT_TP)(a0)
+	REG_S	s0, (SUSPEND_CONTEXT_REGS + PT_S0)(a0)
+	REG_S	s1, (SUSPEND_CONTEXT_REGS + PT_S1)(a0)
+	REG_S	a1, (SUSPEND_CONTEXT_REGS + PT_A1)(a0)
+	REG_S	a2, (SUSPEND_CONTEXT_REGS + PT_A2)(a0)
+	REG_S	a3, (SUSPEND_CONTEXT_REGS + PT_A3)(a0)
+	REG_S	a4, (SUSPEND_CONTEXT_REGS + PT_A4)(a0)
+	REG_S	a5, (SUSPEND_CONTEXT_REGS + PT_A5)(a0)
+	REG_S	a6, (SUSPEND_CONTEXT_REGS + PT_A6)(a0)
+	REG_S	a7, (SUSPEND_CONTEXT_REGS + PT_A7)(a0)
+	REG_S	s2, (SUSPEND_CONTEXT_REGS + PT_S2)(a0)
+	REG_S	s3, (SUSPEND_CONTEXT_REGS + PT_S3)(a0)
+	REG_S	s4, (SUSPEND_CONTEXT_REGS + PT_S4)(a0)
+	REG_S	s5, (SUSPEND_CONTEXT_REGS + PT_S5)(a0)
+	REG_S	s6, (SUSPEND_CONTEXT_REGS + PT_S6)(a0)
+	REG_S	s7, (SUSPEND_CONTEXT_REGS + PT_S7)(a0)
+	REG_S	s8, (SUSPEND_CONTEXT_REGS + PT_S8)(a0)
+	REG_S	s9, (SUSPEND_CONTEXT_REGS + PT_S9)(a0)
+	REG_S	s10, (SUSPEND_CONTEXT_REGS + PT_S10)(a0)
+	REG_S	s11, (SUSPEND_CONTEXT_REGS + PT_S11)(a0)
+
+	/* Save CSRs */
+	csrr	t0, CSR_EPC
+	REG_S	t0, (SUSPEND_CONTEXT_REGS + PT_EPC)(a0)
+	csrr	t0, CSR_STATUS
+	REG_S	t0, (SUSPEND_CONTEXT_REGS + PT_STATUS)(a0)
+	csrr	t0, CSR_TVAL
+	REG_S	t0, (SUSPEND_CONTEXT_REGS + PT_BADADDR)(a0)
+	csrr	t0, CSR_CAUSE
+	REG_S	t0, (SUSPEND_CONTEXT_REGS + PT_CAUSE)(a0)
+
+	/* Return non-zero value */
+	li	a0, 1
+
+	/* Return to C code */
+	ret
+END(__cpu_suspend_enter)
+
+ENTRY(__cpu_resume_enter)
+	/* Load the global pointer */
+	.option push
+	.option norelax
+		la gp, __global_pointer$
+	.option pop
+
+#ifdef CONFIG_MMU
+	/* Save A0 and A1 */
+	add	t0, a0, zero
+	add	t1, a1, zero
+
+	/* Enable MMU */
+	la	a0, swapper_pg_dir
+	XIP_FIXUP_OFFSET a0
+	call	relocate_enable_mmu
+
+	/* Restore A0 and A1 */
+	add	a0, t0, zero
+	add	a1, t1, zero
+#endif
+
+	/* Make A0 point to suspend context */
+	add	a0, a1, zero
+
+	/* Restore CSRs */
+	REG_L	t0, (SUSPEND_CONTEXT_REGS + PT_EPC)(a0)
+	csrw	CSR_EPC, t0
+	REG_L	t0, (SUSPEND_CONTEXT_REGS + PT_STATUS)(a0)
+	csrw	CSR_STATUS, t0
+	REG_L	t0, (SUSPEND_CONTEXT_REGS + PT_BADADDR)(a0)
+	csrw	CSR_TVAL, t0
+	REG_L	t0, (SUSPEND_CONTEXT_REGS + PT_CAUSE)(a0)
+	csrw	CSR_CAUSE, t0
+
+	/* Restore registers (except A0 and T0-T6) */
+	REG_L	ra, (SUSPEND_CONTEXT_REGS + PT_RA)(a0)
+	REG_L	sp, (SUSPEND_CONTEXT_REGS + PT_SP)(a0)
+	REG_L	gp, (SUSPEND_CONTEXT_REGS + PT_GP)(a0)
+	REG_L	tp, (SUSPEND_CONTEXT_REGS + PT_TP)(a0)
+	REG_L	s0, (SUSPEND_CONTEXT_REGS + PT_S0)(a0)
+	REG_L	s1, (SUSPEND_CONTEXT_REGS + PT_S1)(a0)
+	REG_L	a1, (SUSPEND_CONTEXT_REGS + PT_A1)(a0)
+	REG_L	a2, (SUSPEND_CONTEXT_REGS + PT_A2)(a0)
+	REG_L	a3, (SUSPEND_CONTEXT_REGS + PT_A3)(a0)
+	REG_L	a4, (SUSPEND_CONTEXT_REGS + PT_A4)(a0)
+	REG_L	a5, (SUSPEND_CONTEXT_REGS + PT_A5)(a0)
+	REG_L	a6, (SUSPEND_CONTEXT_REGS + PT_A6)(a0)
+	REG_L	a7, (SUSPEND_CONTEXT_REGS + PT_A7)(a0)
+	REG_L	s2, (SUSPEND_CONTEXT_REGS + PT_S2)(a0)
+	REG_L	s3, (SUSPEND_CONTEXT_REGS + PT_S3)(a0)
+	REG_L	s4, (SUSPEND_CONTEXT_REGS + PT_S4)(a0)
+	REG_L	s5, (SUSPEND_CONTEXT_REGS + PT_S5)(a0)
+	REG_L	s6, (SUSPEND_CONTEXT_REGS + PT_S6)(a0)
+	REG_L	s7, (SUSPEND_CONTEXT_REGS + PT_S7)(a0)
+	REG_L	s8, (SUSPEND_CONTEXT_REGS + PT_S8)(a0)
+	REG_L	s9, (SUSPEND_CONTEXT_REGS + PT_S9)(a0)
+	REG_L	s10, (SUSPEND_CONTEXT_REGS + PT_S10)(a0)
+	REG_L	s11, (SUSPEND_CONTEXT_REGS + PT_S11)(a0)
+
+	/* Return zero value */
+	add	a0, zero, zero
+
+	/* Return to C code */
+	ret
+END(__cpu_resume_enter)

arch/riscv/kvm/vcpu_sbi_hsm.c

@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021 Western Digital Corporation or its affiliates.
+ *
+ * Authors:
+ *     Atish Patra <atish.patra@wdc.com>
+ */
+
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/kvm_host.h>
+#include <asm/csr.h>
+#include <asm/sbi.h>
+#include <asm/kvm_vcpu_sbi.h>
+
+static int kvm_sbi_hsm_vcpu_start(struct kvm_vcpu *vcpu)
+{
+	struct kvm_cpu_context *reset_cntx;
+	struct kvm_cpu_context *cp = &vcpu->arch.guest_context;
+	struct kvm_vcpu *target_vcpu;
+	unsigned long target_vcpuid = cp->a0;
+
+	target_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, target_vcpuid);
+	if (!target_vcpu)
+		return -EINVAL;
+	if (!target_vcpu->arch.power_off)
+		return -EALREADY;
+
+	reset_cntx = &target_vcpu->arch.guest_reset_context;
+	/* start address */
+	reset_cntx->sepc = cp->a1;
+	/* target vcpu id to start */
+	reset_cntx->a0 = target_vcpuid;
+	/* private data passed from kernel */
+	reset_cntx->a1 = cp->a2;
+	kvm_make_request(KVM_REQ_VCPU_RESET, target_vcpu);
+
+	kvm_riscv_vcpu_power_on(target_vcpu);
+
+	return 0;
+}
+
+static int kvm_sbi_hsm_vcpu_stop(struct kvm_vcpu *vcpu)
+{
+	if (vcpu->arch.power_off)
+		return -EINVAL;
+
+	kvm_riscv_vcpu_power_off(vcpu);
+
+	return 0;
+}
+
+static int kvm_sbi_hsm_vcpu_get_status(struct kvm_vcpu *vcpu)
+{
+	struct kvm_cpu_context *cp = &vcpu->arch.guest_context;
+	unsigned long target_vcpuid = cp->a0;
+	struct kvm_vcpu *target_vcpu;
+
+	target_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, target_vcpuid);
+	if (!target_vcpu)
+		return -EINVAL;
+	if (!target_vcpu->arch.power_off)
+		return SBI_HSM_STATE_STARTED;
+	else
+		return SBI_HSM_STATE_STOPPED;
+}
+
+static int kvm_sbi_ext_hsm_handler(struct kvm_vcpu *vcpu, struct kvm_run *run,
+				   unsigned long *out_val,
+				   struct kvm_cpu_trap *utrap,
+				   bool *exit)
+{
+	int ret = 0;
+	struct kvm_cpu_context *cp = &vcpu->arch.guest_context;
+	struct kvm *kvm = vcpu->kvm;
+	unsigned long funcid = cp->a6;
+
+	switch (funcid) {
+	case SBI_EXT_HSM_HART_START:
+		mutex_lock(&kvm->lock);
+		ret = kvm_sbi_hsm_vcpu_start(vcpu);
+		mutex_unlock(&kvm->lock);
+		break;
+	case SBI_EXT_HSM_HART_STOP:
+		ret = kvm_sbi_hsm_vcpu_stop(vcpu);
+		break;
+	case SBI_EXT_HSM_HART_STATUS:
+		ret = kvm_sbi_hsm_vcpu_get_status(vcpu);
+		if (ret >= 0) {
+			*out_val = ret;
+			ret = 0;
+		}
+		break;
+	default:
+		ret = -EOPNOTSUPP;
+	}
+
+	return ret;
+}
+
+const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_hsm = {
+	.extid_start = SBI_EXT_HSM,
+	.extid_end = SBI_EXT_HSM,
+	.handler = kvm_sbi_ext_hsm_handler,
+};

drivers/block/zram/zram_drv.c

@@ -1385,14 +1385,13 @@ compress_again:
 				__GFP_KSWAPD_RECLAIM |
 				__GFP_NOWARN |
 				__GFP_HIGHMEM |
-				__GFP_MOVABLE |
+				__GFP_MOVABLE);
-				__GFP_CMA);
 	if (!handle) {
 		zcomp_stream_put(zram->comp);
 		atomic64_inc(&zram->stats.writestall);
 		handle = zs_malloc(zram->mem_pool, comp_len,
 				GFP_NOIO | __GFP_HIGHMEM |
-				__GFP_MOVABLE | __GFP_CMA);
+				__GFP_MOVABLE);
 		if (handle)
 			goto compress_again;
 		return -ENOMEM;

drivers/clk/thead/clk-light-fm.c

@@ -50,6 +50,7 @@ static u32 share_cnt_spi_clk_en;
 static u32 share_cnt_uart0_clk_en;
 static u32 share_cnt_uart2_clk_en;
 static u32 share_cnt_i2c2_clk_en;
+static u32 share_cnt_i2c3_clk_en;
 static u32 share_cnt_peri_i2s_clk_en;
 static u32 share_cnt_qspi1_clk_en;
 static u32 share_cnt_uart1_clk_en;
@@ -378,31 +379,31 @@ static int light_clocks_probe(struct platform_device *pdev)
 	clks[AONSYS_BUS_CLK] = thead_clk_fixed("aonsys_hclk", 101606400);	//from sys_pll, maybe change ?
 
 	/* Light Fullmask AP MUX */
-	clks[CPU_PLL0_BYPASS] = thead_light_clk_mux_flags("cpu_pll0_bypass", ap_base + 0x4, 30, 1, cpu_pll0_bypass_sels, ARRAY_SIZE(cpu_pll0_bypass_sels), CLK_SET_RATE_PARENT);
+	clks[CPU_PLL0_BYPASS] = thead_light_clk_mux_flags("cpu_pll0_bypass", ap_base + 0x4, 30, 1, cpu_pll0_bypass_sels, ARRAY_SIZE(cpu_pll0_bypass_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[CPU_PLL1_BYPASS] = thead_light_clk_mux_flags("cpu_pll1_bypass", ap_base + 0x14, 30, 1, cpu_pll1_bypass_sels, ARRAY_SIZE(cpu_pll1_bypass_sels), CLK_SET_RATE_PARENT);
+	clks[CPU_PLL1_BYPASS] = thead_light_clk_mux_flags("cpu_pll1_bypass", ap_base + 0x14, 30, 1, cpu_pll1_bypass_sels, ARRAY_SIZE(cpu_pll1_bypass_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[GMAC_PLL_BYPASS] = thead_light_clk_mux_flags("gmac_pll_bypass", ap_base + 0x24, 30, 1, gmac_pll_bypass_sels, ARRAY_SIZE(gmac_pll_bypass_sels), CLK_SET_RATE_PARENT);
+	clks[GMAC_PLL_BYPASS] = thead_light_clk_mux_flags("gmac_pll_bypass", ap_base + 0x24, 30, 1, gmac_pll_bypass_sels, ARRAY_SIZE(gmac_pll_bypass_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[VIDEO_PLL_BYPASS] = thead_light_clk_mux_flags("video_pll_bypass", ap_base + 0x34, 30, 1, video_pll_bypass_sels, ARRAY_SIZE(video_pll_bypass_sels), CLK_SET_RATE_PARENT);
+	clks[VIDEO_PLL_BYPASS] = thead_light_clk_mux_flags("video_pll_bypass", ap_base + 0x34, 30, 1, video_pll_bypass_sels, ARRAY_SIZE(video_pll_bypass_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[TEE_PLL_BYPASS] = thead_light_clk_mux_flags("tee_pll_bypass", ap_base + 0x64, 30, 1, tee_pll_bypass_sels, ARRAY_SIZE(tee_pll_bypass_sels), CLK_SET_RATE_PARENT);
+	clks[TEE_PLL_BYPASS] = thead_light_clk_mux_flags("tee_pll_bypass", ap_base + 0x64, 30, 1, tee_pll_bypass_sels, ARRAY_SIZE(tee_pll_bypass_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[DPU0_PLL_BYPASS] = thead_light_clk_mux_flags("dpu0_pll_bypass", ap_base + 0x44, 30, 1, dpu0_pll_bypass_sels, ARRAY_SIZE(dpu0_pll_bypass_sels), CLK_SET_RATE_PARENT);
+	clks[DPU0_PLL_BYPASS] = thead_light_clk_mux_flags("dpu0_pll_bypass", ap_base + 0x44, 30, 1, dpu0_pll_bypass_sels, ARRAY_SIZE(dpu0_pll_bypass_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[DPU1_PLL_BYPASS] = thead_light_clk_mux_flags("dpu1_pll_bypass", ap_base + 0x54, 30, 1, dpu1_pll_bypass_sels, ARRAY_SIZE(dpu1_pll_bypass_sels), CLK_SET_RATE_PARENT);
+	clks[DPU1_PLL_BYPASS] = thead_light_clk_mux_flags("dpu1_pll_bypass", ap_base + 0x54, 30, 1, dpu1_pll_bypass_sels, ARRAY_SIZE(dpu1_pll_bypass_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
 
-	clks[AHB2_CPUSYS_HCLK] = thead_light_clk_mux_flags("ahb2_cpusys_hclk", ap_base + 0x120, 5, 1, ahb2_cpusys_hclk_sels, ARRAY_SIZE(ahb2_cpusys_hclk_sels), CLK_SET_RATE_PARENT);
+	clks[AHB2_CPUSYS_HCLK] = thead_light_clk_mux_flags("ahb2_cpusys_hclk", ap_base + 0x120, 5, 1, ahb2_cpusys_hclk_sels, ARRAY_SIZE(ahb2_cpusys_hclk_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[C910_CCLK_I0] = thead_light_clk_mux_flags("c910_cclk_i0", ap_base + 0x100, 1, 1, c910_cclk_i0_sels, ARRAY_SIZE(c910_cclk_i0_sels), CLK_SET_RATE_PARENT);
+	clks[C910_CCLK_I0] = thead_light_clk_mux_flags("c910_cclk_i0", ap_base + 0x100, 1, 1, c910_cclk_i0_sels, ARRAY_SIZE(c910_cclk_i0_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[C910_CCLK] = thead_light_clk_mux_flags("c910_cclk", ap_base + 0x100, 0, 1, c910_cclk_sels, ARRAY_SIZE(c910_cclk_sels), CLK_SET_RATE_PARENT);
+	clks[C910_CCLK] = thead_light_clk_mux_flags("c910_cclk", ap_base + 0x100, 0, 1, c910_cclk_sels, ARRAY_SIZE(c910_cclk_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[CFG_AXI_ACLK] = thead_light_clk_mux_flags("cfg_axi_aclk", ap_base + 0x138, 5, 1, cfg_axi_aclk_sels, ARRAY_SIZE(cfg_axi_aclk_sels), CLK_SET_RATE_PARENT);
+	clks[CFG_AXI_ACLK] = thead_light_clk_mux_flags("cfg_axi_aclk", ap_base + 0x138, 5, 1, cfg_axi_aclk_sels, ARRAY_SIZE(cfg_axi_aclk_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
 
 	if (teesys)
-		clks[TEESYS_HCLK] = thead_light_clk_mux_flags("teesys_hclk", ap_base + 0x1cc, 13, 1, teesys_hclk_sels, ARRAY_SIZE(teesys_hclk_sels), CLK_SET_RATE_PARENT); //just for teesys!!!
+		clks[TEESYS_HCLK] = thead_light_clk_mux_flags("teesys_hclk", ap_base + 0x1cc, 13, 1, teesys_hclk_sels, ARRAY_SIZE(teesys_hclk_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT); //just for teesys!!!
 
-	clks[PERISYS_AHB_HCLK] = thead_light_clk_mux_flags("perisys_ahb_hclk", ap_base + 0x140, 5, 1, perisys_ahb_hclk_sels, ARRAY_SIZE(perisys_ahb_hclk_sels), CLK_SET_RATE_PARENT);
+	clks[PERISYS_AHB_HCLK] = thead_light_clk_mux_flags("perisys_ahb_hclk", ap_base + 0x140, 5, 1, perisys_ahb_hclk_sels, ARRAY_SIZE(perisys_ahb_hclk_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[CLK_OUT_1] = thead_light_clk_mux_flags("clk_out_1", ap_base + 0x1b4, 4, 1, clk_out_1_sels, ARRAY_SIZE(clk_out_1_sels), CLK_SET_RATE_PARENT);
+	clks[CLK_OUT_1] = thead_light_clk_mux_flags("clk_out_1", ap_base + 0x1b4, 4, 1, clk_out_1_sels, ARRAY_SIZE(clk_out_1_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[CLK_OUT_2] = thead_light_clk_mux_flags("clk_out_2", ap_base + 0x1b8, 4, 1, clk_out_2_sels, ARRAY_SIZE(clk_out_2_sels), CLK_SET_RATE_PARENT);
+	clks[CLK_OUT_2] = thead_light_clk_mux_flags("clk_out_2", ap_base + 0x1b8, 4, 1, clk_out_2_sels, ARRAY_SIZE(clk_out_2_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[CLK_OUT_3] = thead_light_clk_mux_flags("clk_out_3", ap_base + 0x1bc, 4, 1, clk_out_3_sels, ARRAY_SIZE(clk_out_3_sels), CLK_SET_RATE_PARENT);
+	clks[CLK_OUT_3] = thead_light_clk_mux_flags("clk_out_3", ap_base + 0x1bc, 4, 1, clk_out_3_sels, ARRAY_SIZE(clk_out_3_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[CLK_OUT_4] = thead_light_clk_mux_flags("clk_out_4", ap_base + 0x1c0, 4, 1, clk_out_4_sels, ARRAY_SIZE(clk_out_4_sels), CLK_SET_RATE_PARENT);
+	clks[CLK_OUT_4] = thead_light_clk_mux_flags("clk_out_4", ap_base + 0x1c0, 4, 1, clk_out_4_sels, ARRAY_SIZE(clk_out_4_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[PERI_I2S_SRC_CLK] = thead_light_clk_mux_flags("peri_i2s_src_clk", ap_base + 0x1f0, 0, 1, peri_i2s_src_clk_sels, ARRAY_SIZE(peri_i2s_src_clk_sels), CLK_SET_RATE_PARENT);
+	clks[PERI_I2S_SRC_CLK] = thead_light_clk_mux_flags("peri_i2s_src_clk", ap_base + 0x1f0, 0, 1, peri_i2s_src_clk_sels, ARRAY_SIZE(peri_i2s_src_clk_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
 	clks[NPU_CCLK] = thead_light_clk_mux_flags("npu_cclk", ap_base + 0x1c8, 6, 1, npu_cclk_sels, ARRAY_SIZE(npu_cclk_sels), CLK_SET_RATE_PARENT);
-	clks[CFG_APB_PCLK] = thead_light_clk_mux_flags("cfg_apb_pclk", ap_base + 0x1c4, 7, 1, cfg_apb_pclk_sels, ARRAY_SIZE(cfg_apb_pclk_sels), CLK_SET_RATE_PARENT);
+	clks[CFG_APB_PCLK] = thead_light_clk_mux_flags("cfg_apb_pclk", ap_base + 0x1c4, 7, 1, cfg_apb_pclk_sels, ARRAY_SIZE(cfg_apb_pclk_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
-	clks[UART_SCLK] = thead_light_clk_mux_flags("uart_sclk", ap_base + 0x210, 0, 1, uart_sclk_sels, ARRAY_SIZE(uart_sclk_sels), CLK_SET_RATE_PARENT);
+	clks[UART_SCLK] = thead_light_clk_mux_flags("uart_sclk", ap_base + 0x210, 0, 1, uart_sclk_sels, ARRAY_SIZE(uart_sclk_sels), CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT);
 
 	/* Light Fullmask AP Divider */
 	clks[AHB2_CPUSYS_HCLK_OUT_DIV] = thead_clk_light_divider("ahb2_cpusys_hclk_out_div", "gmac_pll_fout1ph0", ap_base + 0x120, 0, 3, 4, MUX_TYPE_DIV, 2, 7);
@@ -436,7 +437,7 @@ static int light_clocks_probe(struct platform_device *pdev)
 	/* Light Fullmask PLL FOUT */
 	clks[GMAC_PLL_FOUT1PH0] = thead_light_clk_fixed_factor("gmac_pll_fout1ph0", "gmac_pll_bypass", 1, 2);
 	clks[GMAC_PLL_FOUT4] = thead_light_clk_fixed_factor("gmac_pll_fout4", "gmac_pll_bypass", 1, 8);
-	clks[VIDEO_PLL_FOUT1PH0] = thead_light_clk_fixed_factor("video_pll_fout1ph0", "video_pll_bybass", 1, 2);
+	clks[VIDEO_PLL_FOUT1PH0] = thead_light_clk_fixed_factor("video_pll_fout1ph0", "video_pll_bypass", 1, 2);
 	clks[VIDEO_PLL_FOUT4] = thead_light_clk_fixed_factor("video_pll_fout4", "video_pll_bypass", 1, 8);
 	clks[TEE_PLL_FOUT4] = thead_light_clk_fixed_factor("tee_pll_fout4", "tee_pll_bypass", 1, 8);
 	clks[CPU_PLL0_FOUT4] = thead_light_clk_fixed_factor("cpu_pll0_fout4", "cpu_pll0_bypass", 1, 8);
@@ -450,7 +451,7 @@ static int light_clocks_probe(struct platform_device *pdev)
 	clks[QSPI0_SSI_CLK] = thead_light_clk_fixed_factor("qspi0_ssi_clk", "qspi_ssi_clk", 1, 1);
 	clks[QSPI1_SSI_CLK] = thead_light_clk_fixed_factor("qspi1_ssi_clk", "video_pll_fout1ph0", 1, 1);
 	clks[SPI_SSI_CLK] = thead_light_clk_fixed_factor("spi_ssi_clk", "video_pll_fout1ph0", 1, 1);
-	clks[EMMC_SDIO_REF_CLK] = thead_light_clk_fixed_factor("emmc_sdio_ref_clk", "video_pll_foutpostdiv", 1, 1);	/* Note: no mux to select, use default value */
+	clks[EMMC_SDIO_REF_CLK] = thead_light_clk_fixed_factor("emmc_sdio_ref_clk", "video_pll_foutpostdiv", 1, 4);	/* Note: base clk is div 4 to 198M*/
 	clks[PWM_CCLK] = thead_light_clk_fixed_factor("pwm_cclk", "osc_24m", 1, 1);
 	clks[CHIP_DBG_CCLK] = thead_light_clk_fixed_factor("chip_dbg_cclk", "osc_24m", 1, 1);
 	clks[GMAC_CCLK] = thead_light_clk_fixed_factor("gmac_cclk", "gmac_pll_fout1ph0", 1, 1);
@@ -568,8 +569,8 @@ static int light_clocks_probe(struct platform_device *pdev)
 	clks[CLKGEN_UART2_SCLK] = thead_clk_light_gate_shared("clkgen_uart2_sclk", "uart_sclk", ap_base + 0x204, 12, &share_cnt_uart2_clk_en);
 	clks[CLKGEN_I2C2_PCLK] = thead_clk_light_gate_shared("clkgen_i2c2_pclk", "perisys_apb_pclk", ap_base + 0x204, 3, &share_cnt_i2c2_clk_en);
 	clks[CLKGEN_I2C2_IC_CLK] = thead_clk_light_gate_shared("clkgen_i2c2_ic_clk", "i2c_ic_clk", ap_base + 0x204, 3, &share_cnt_i2c2_clk_en);
-	clks[CLKGEN_I2C3_PCLK] = thead_clk_light_gate_shared("clkgen_i2c3_pclk", "perisys_apb_pclk", ap_base + 0x204, 2, &share_cnt_i2c2_clk_en);
+	clks[CLKGEN_I2C3_PCLK] = thead_clk_light_gate_shared("clkgen_i2c3_pclk", "perisys_apb_pclk", ap_base + 0x204, 2, &share_cnt_i2c3_clk_en);
-	clks[CLKGEN_I2C3_IC_CLK] = thead_clk_light_gate_shared("clkgen_i2c3_ic_clk", "i2c_ic_clk", ap_base + 0x204, 2, &share_cnt_i2c2_clk_en);
+	clks[CLKGEN_I2C3_IC_CLK] = thead_clk_light_gate_shared("clkgen_i2c3_ic_clk", "i2c_ic_clk", ap_base + 0x204, 2, &share_cnt_i2c3_clk_en);
 	clks[CLKGEN_I2S_PCLK] = thead_clk_light_gate_shared("clkgen_i2s_pclk", "perisys_apb_pclk", ap_base + 0x1f0, 1, &share_cnt_peri_i2s_clk_en);
 	clks[CLKGEN_I2S_SRC_CLK] = thead_clk_light_gate_shared("clkgen_i2s_src_clk", "peri_i2s_src_clk", ap_base + 0x1f0, 1, &share_cnt_peri_i2s_clk_en);
 	clks[CLKGEN_QSPI1_PCLK] = thead_clk_light_gate_shared("clkgen_qspi1_pclk", "peri2sys_apb_pclk", ap_base + 0x204, 16, &share_cnt_qspi1_clk_en);

drivers/clk/thead/clk.h

@@ -111,7 +111,7 @@ static inline struct clk *thead_light_clk_mux_flags(const char *name,
 			unsigned long flags)
 {
 	return clk_register_mux(NULL, name, parents, num_parents,
-			flags | CLK_SET_RATE_NO_REPARENT, reg, shift, width, 0,
+			flags , reg, shift, width, 0,
 			&thead_light_clk_lock);
 }
 #endif

drivers/clk/thead/gate/Makefile

@@ -1,3 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0
 
-obj-$(CONFIG_CLK_LIGHT_FM) += thead-gate.o visys-gate.o vpsys-gate.o vosys-gate.o dspsys-gate.o
+obj-$(CONFIG_CLK_LIGHT_FM) += thead-gate.o visys-gate.o vpsys-gate.o vosys-gate.o dspsys-gate.o audiosys-gate.o miscsys-gate.o

drivers/clk/thead/gate/audiosys-gate.c

@@ -0,0 +1,124 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2022 Alibaba Group Holding Limited.
+ */
+
+#include <dt-bindings/clock/light-fm-ap-clock.h>
+#include <dt-bindings/clock/light-audiosys.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include "clk-gate.h"
+#include "../clk.h"
+
+static struct clk *gates[LIGHT_CLKGEN_AUDIO_CLK_END];
+static struct clk_onecell_data clk_gate_data;
+
+static int light_audiosys_clk_probe(struct platform_device *pdev)
+{
+	struct regmap *audiosys_regmap;
+	struct device *dev = &pdev->dev;
+	struct device_node *np = dev->of_node;
+	int ret;
+
+	audiosys_regmap = syscon_regmap_lookup_by_phandle(np, "audiosys-regmap");
+	if (IS_ERR(audiosys_regmap)) {
+		dev_err(&pdev->dev, "cannot find regmap for vi system register\n");
+		return PTR_ERR(audiosys_regmap);
+	}
+
+	printk("%s audiosys_regmap=0x%px\n", __func__, audiosys_regmap);
+
+	/* we assume that the gate clock is a root clock  */
+	gates[LIGHT_CLKGEN_AUDIO_CPU] = thead_gate_clk_register("clkgen_audiosys_cpu_clk", NULL,
+									audiosys_regmap, 0x10, 0, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_SRAM0] = thead_gate_clk_register("clkgen_audiosys_sram0_clk", NULL,
+									audiosys_regmap, 0x10, 1, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_SRAM1] = thead_gate_clk_register("clkgen_audiosys_sram1_clk", NULL,
+									audiosys_regmap, 0x10, 2, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_DMA] = thead_gate_clk_register("clkgen_audiosys_dma_clk", NULL,
+									audiosys_regmap, 0x10, 3, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_BSM] = thead_gate_clk_register("clkgen_audiosys_bsm_clk", NULL,
+									audiosys_regmap, 0x10, 4, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_TIMER] = thead_gate_clk_register("clkgen_audiosys_timer_clk", NULL,
+									audiosys_regmap, 0x10, 8, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_TIMER_CNT1] = thead_gate_clk_register("clkgen_audiosys_timer_cnt1_clk", NULL,
+									audiosys_regmap, 0x10, 9, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_TIMER_CNT2] = thead_gate_clk_register("clkgen_audiosys_timer_cnt2_clk", NULL,
+									audiosys_regmap, 0x10, 10, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_TIMER_CNT3] = thead_gate_clk_register("clkgen_audiosys_timer_cnt3_clk", NULL,
+									audiosys_regmap, 0x10, 11, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_TIMER_CNT4] = thead_gate_clk_register("clkgen_audiosys_timer_cnt4_clk", NULL,
+									audiosys_regmap, 0x10, 12, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_WDR] = thead_gate_clk_register("clkgen_audiosys_wdr_clk", NULL,
+									audiosys_regmap, 0x10, 13, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_I2C0] = thead_gate_clk_register("clkgen_audiosys_i2c0_clk", NULL,
+									audiosys_regmap, 0x10, 14, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_I2C1] = thead_gate_clk_register("clkgen_audiosys_i2c1_clk", NULL,
+									audiosys_regmap, 0x10, 15, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_UART] = thead_gate_clk_register("clkgen_audiosys_uart_clk", NULL,
+									audiosys_regmap, 0x10, 16, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_I2S0] = thead_gate_clk_register("clkgen_audiosys_i2s0_clk", NULL,
+									audiosys_regmap, 0x10, 17, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_I2S1] = thead_gate_clk_register("clkgen_audiosys_i2s1_clk", NULL,
+									audiosys_regmap, 0x10, 18, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_I2S2] = thead_gate_clk_register("clkgen_audiosys_i2s2_clk", NULL,
+									audiosys_regmap, 0x10, 19, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_I2S8CH] = thead_gate_clk_register("clkgen_audiosys_i2s8ch_clk", NULL,
+									audiosys_regmap, 0x10, 20, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_TDM] = thead_gate_clk_register("clkgen_audiosys_tdm_clk", NULL,
+									audiosys_regmap, 0x10, 21, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_GPIO] = thead_gate_clk_register("clkgen_audiosys_gpio_clk", NULL,
+									audiosys_regmap, 0x10, 22, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_SPDIF0] = thead_gate_clk_register("clkgen_audiosys_spdif0_clk", NULL,
+									audiosys_regmap, 0x10, 23, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_SPDIF1] = thead_gate_clk_register("clkgen_audiosys_spdif1_clk", NULL,
+									audiosys_regmap, 0x10, 24, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_VAD] = thead_gate_clk_register("clkgen_audiosys_vad_clk", NULL,
+									audiosys_regmap, 0x10, 25, GATE_NOT_SHARED, NULL, dev);
+	gates[LIGHT_CLKGEN_AUDIO_IOMUX] = thead_gate_clk_register("clkgen_audiosys_iomux_clk", NULL,
+									audiosys_regmap, 0x10, 26, GATE_NOT_SHARED, NULL, dev);
+
+	clk_gate_data.clks = gates;
+	clk_gate_data.clk_num = ARRAY_SIZE(gates);
+
+	ret = of_clk_add_provider(np, of_clk_src_onecell_get, &clk_gate_data);
+	if (ret < 0) {
+		dev_err(dev, "failed to register gate clks for light audiosys\n");
+		goto unregister_clks;
+	}
+
+	dev_info(dev, "succeed to register audiosys gate clock provider\n");
+
+	return 0;
+
+unregister_clks:
+	thead_unregister_clocks(gates, ARRAY_SIZE(gates));
+	return ret;
+}
+
+static const struct of_device_id audiosys_clk_gate_of_match[] = {
+	{ .compatible = "thead,audiosys-gate-controller" },
+	{ /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, audiosys_clk_gate_of_match);
+
+static struct platform_driver light_audiosys_clk_driver = {
+	.probe = light_audiosys_clk_probe,
+	.driver = {
+		.name = "audiosys-clk-gate-provider",
+		.of_match_table = of_match_ptr(audiosys_clk_gate_of_match),
+	},
+};
+
+module_platform_driver(light_audiosys_clk_driver);
+MODULE_AUTHOR("nanli.yd <nanli.yd@linux.alibaba.com>");
+MODULE_DESCRIPTION("Thead Light Fullmask audiosys clock gate provider");
+MODULE_LICENSE("GPL v2");

drivers/clk/thead/gate/dspsys-gate.c

@@ -20,12 +20,16 @@
 
 static struct clk *gates[LIGHT_CLKGEN_DSPSYS_CLK_END];
 static struct clk_onecell_data clk_gate_data;
+static const char * const dsp0_cclk_sels[] = {"gmac_pll_foutpostdiv", "dspsys_dsp_clk"};
+static const char * const dsp1_cclk_sels[] = {"gmac_pll_foutpostdiv", "dspsys_dsp_clk"};
 
 static int light_dspsys_clk_probe(struct platform_device *pdev)
 {
 	struct regmap *dspsys_regmap, *tee_dspsys_regmap;
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
+	struct device_node *np_reg = of_parse_phandle(np, "dspsys-regmap", 0);
+	void __iomem *gate_base;
 	int ret;
 
 	dspsys_regmap = syscon_regmap_lookup_by_phandle(np, "dspsys-regmap");
@@ -39,14 +43,24 @@ static int light_dspsys_clk_probe(struct platform_device *pdev)
 		dev_warn(&pdev->dev, "cannot find regmap for tee dsp system register\n");
 		tee_dspsys_regmap = NULL;
 	}
+	gate_base = of_iomap(np_reg,0);
+	// MUX 
+	gates[DSPSYS_DSP0_CLK_SWITCH] = thead_light_clk_mux_flags("dspsys_dsp0_clk_switch", gate_base + 0x1c, 0, 1, dsp0_cclk_sels, ARRAY_SIZE(dsp0_cclk_sels), 0);
+	gates[DSPSYS_DSP1_CLK_SWITCH] = thead_light_clk_mux_flags("dspsys_dsp1_clk_switch", gate_base + 0x20, 0, 1, dsp1_cclk_sels, ARRAY_SIZE(dsp1_cclk_sels), 0);
 
+	// DIV & CDE
+	gates[DSPSYS_DSP_CLK] = thead_light_clk_fixed_factor("dspsys_dsp_clk", "video_pll_foutvco", 1, 3);
+	gates[DSPSYS_DSP0_CLK_CDE] = thead_clk_light_divider("dspsys_dsp0_clk_cde", "dspsys_dsp0_clk_switch", gate_base + 0x0, 0, 3, 4, MUX_TYPE_CDE, 0, 7);
+	gates[DSPSYS_DSP1_CLK_CDE] = thead_clk_light_divider("dspsys_dsp1_clk_cde", "dspsys_dsp1_clk_switch", gate_base + 0x4, 0, 3, 4, MUX_TYPE_CDE, 0, 7);
+
+	// gate
 	gates[CLKGEN_DSP0_PCLK] = thead_gate_clk_register("clkgen_dsp0_pclk", NULL, dspsys_regmap,
 							  0x24, 0, GATE_NOT_SHARED, NULL, dev);
 	gates[CLKGEN_DSP1_PCLK] = thead_gate_clk_register("clkgen_dsp1_pclk", NULL, dspsys_regmap,
 							  0x24, 1, GATE_NOT_SHARED, NULL, dev);
-	gates[CLKGEN_DSP1_CCLK] = thead_gate_clk_register("clkgen_dsp1_cclk", NULL, dspsys_regmap,
+	gates[CLKGEN_DSP1_CCLK] = thead_gate_clk_register("clkgen_dsp1_cclk", "dspsys_dsp1_clk_cde", dspsys_regmap,
 							  0x24, 2, GATE_NOT_SHARED, NULL, dev);
-	gates[CLKGEN_DSP0_CCLK] = thead_gate_clk_register("clkgen_dsp0_cclk", NULL, dspsys_regmap,
+	gates[CLKGEN_DSP0_CCLK] = thead_gate_clk_register("clkgen_dsp0_cclk", "dspsys_dsp0_clk_cde", dspsys_regmap,
 							  0x24, 3, GATE_NOT_SHARED, NULL, dev);
 	gates[CLKGEN_X2X_DSP2_ACLK_S] = thead_gate_clk_register("clkgen_x2x_dsp2_aclk_s", NULL, dspsys_regmap,
 							  0x24, 4, GATE_NOT_SHARED, NULL, dev);

drivers/clk/thead/gate/miscsys-gate.c

@@ -0,0 +1,108 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2022 Alibaba Group Holding Limited.
+ */
+#include <dt-bindings/clock/light-miscsys.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include "clk-gate.h"
+#include "../clk.h"
+static struct clk *gates[CLKGEN_MISCSYS_CLK_END];
+static struct clk_onecell_data clk_gate_data;
+static int light_miscsys_clk_probe(struct platform_device *pdev)
+{
+	struct regmap *miscsys_regmap, *tee_miscsys_regmap = NULL;
+	struct device *dev = &pdev->dev;
+	struct device_node *np = dev->of_node;
+	int ret;
+
+	miscsys_regmap = syscon_regmap_lookup_by_phandle(np, "miscsys-regmap");
+	if (IS_ERR(miscsys_regmap)) {
+		dev_err(&pdev->dev, "cannot find regmap for misc system register\n");
+		return PTR_ERR(miscsys_regmap);
+	}
+	tee_miscsys_regmap = syscon_regmap_lookup_by_phandle(np, "tee-miscsys-regmap");
+	if (IS_ERR(tee_miscsys_regmap)) {
+		dev_err(&pdev->dev, "cannot find regmap for tee misc system register\n");
+		return PTR_ERR(tee_miscsys_regmap);
+	}
+	/* we assume that the gate clock is a root clock  */
+	gates[CLKGEN_MISCSYS_MISCSYS_ACLK] = thead_gate_clk_register("clkgen_missys_aclk", NULL,
+								miscsys_regmap, 0x100, 0, GATE_NOT_SHARED, NULL, dev);
+	gates[CLKGEN_MISCSYS_USB3_DRD_CLK] = thead_gate_clk_register("clkgen_usb3_drd_clk", NULL,
+								miscsys_regmap, 0x104, 0, GATE_NOT_SHARED, NULL, dev);
+	gates[CLKGEN_MISCSYS_USB3_DRD_CTRL_REF_CLK] = thead_gate_clk_register("clkgen_usb3_drd_ctrl_ref_clk", "osc_24m",
+								miscsys_regmap, 0x104, 1, GATE_NOT_SHARED, NULL, dev);
+	gates[CLKGEN_MISCSYS_USB3_DRD_PHY_REF_CLK] = thead_gate_clk_register("clkgen_usb3_drd_phy_ref_clk", "osc_24m",
+								miscsys_regmap, 0x104, 2, GATE_NOT_SHARED, NULL, dev);
+	gates[CLKGEN_MISCSYS_USB3_DRD_SUSPEND_CLK] = thead_gate_clk_register("clkgen_usb3_drd_suspend_clk", NULL,
+								miscsys_regmap, 0x104, 3, GATE_NOT_SHARED, NULL, dev);
+	gates[CLKGEN_MISCSYS_EMMC_CLK] = thead_gate_clk_register("clkgen_emmc_clk", "osc_24m",
+								miscsys_regmap, 0x108, 0, GATE_NOT_SHARED, NULL, dev);
+	gates[CLKGEN_MISCSYS_SDIO0_CLK] = thead_gate_clk_register("clkgen_sdio0_clk", "osc_24m",
+								miscsys_regmap, 0x10c, 0, GATE_NOT_SHARED, NULL, dev);
+	gates[CLKGEN_MISCSYS_SDIO1_CLK] = thead_gate_clk_register("clkgen_sdio1_clk", "osc_24m",
+								miscsys_regmap, 0x110, 0, GATE_NOT_SHARED, NULL, dev);
+	if (tee_miscsys_regmap) {
+		gates[CLKGEN_MISCSYS_AHB2_TEESYS_HCLK] = thead_gate_clk_register("clkgen_ahb2_teesys_hclk", NULL,
+								tee_miscsys_regmap, 0x120, 0, GATE_NOT_SHARED, NULL, dev);
+		gates[CLKGEN_MISCSYS_APB3_TEESYS_HCLK] = thead_gate_clk_register("clkgen_apb3_teesys_hclk", NULL,
+								tee_miscsys_regmap, 0x120, 1, GATE_NOT_SHARED, NULL, dev);
+		gates[CLKGEN_MISCSYS_AXI4_TEESYS_ACLK] = thead_gate_clk_register("clkgen_axi4_teesys_aclk", NULL,
+								tee_miscsys_regmap, 0x120, 2, GATE_NOT_SHARED, NULL, dev);
+		gates[CLKGEN_MISCSYS_EIP120SI_CLK] = thead_gate_clk_register("clkgen_eip120si_clk", NULL,
+								tee_miscsys_regmap, 0x120, 3, GATE_NOT_SHARED, NULL, dev);
+		gates[CLKGEN_MISCSYS_EIP120SII_CLK] = thead_gate_clk_register("clkgen_eip120sii_clk", NULL,
+								tee_miscsys_regmap, 0x120, 4, GATE_NOT_SHARED, NULL, dev);
+		gates[CLKGEN_MISCSYS_EIP120SIII_CLK] = thead_gate_clk_register("clkgen_eip120siii_clk", NULL,
+								tee_miscsys_regmap, 0x120, 5, GATE_NOT_SHARED, NULL, dev);
+		gates[CLKGEN_MISCSYS_TEEDMAC_CLK] = thead_gate_clk_register("clkgen_teedmac_clk", NULL,
+								tee_miscsys_regmap, 0x120, 6, GATE_NOT_SHARED, NULL, dev);
+		gates[CLKGEN_MISCSYS_EIP150B_HCLK] = thead_gate_clk_register("clkgen_eip150b_hclk", NULL,
+								tee_miscsys_regmap, 0x120, 7, GATE_NOT_SHARED, NULL, dev);
+		gates[CLKGEN_MISCSYS_OCRAM_HCLK] = thead_gate_clk_register("clkgen_ocram_hclk", NULL,
+								tee_miscsys_regmap, 0x120, 8, GATE_NOT_SHARED, NULL, dev);
+		gates[CLKGEN_MISCSYS_EFUSE_PCLK] = thead_gate_clk_register("clkgen_efuse_pclk", NULL,
+								tee_miscsys_regmap, 0x120, 9, GATE_NOT_SHARED, NULL, dev);
+		gates[CLKGEN_MISCSYS_TEE_SYSREG_PCLK] = thead_gate_clk_register("clkgen_tee_sysreg_pclk", NULL,
+								tee_miscsys_regmap, 0x120, 10, GATE_NOT_SHARED, NULL, dev);
+	}
+	clk_gate_data.clks = gates;
+	clk_gate_data.clk_num = ARRAY_SIZE(gates);
+	ret = of_clk_add_provider(np, of_clk_src_onecell_get, &clk_gate_data);
+	if (ret < 0) {
+		dev_err(dev, "failed to register gate clks for light miscsys\n");
+		goto unregister_clks;
+	}
+	dev_info(dev, "succeed to register miscsys gate clock provider\n");
+	return 0;
+unregister_clks:
+	thead_unregister_clocks(gates, ARRAY_SIZE(gates));
+	return ret;
+}
+static const struct of_device_id miscsys_clk_gate_of_match[] = {
+	{ .compatible = "thead,miscsys-gate-controller" },
+	{ /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, miscsys_clk_gate_of_match);
+static struct platform_driver light_miscsys_clk_driver = {
+	.probe = light_miscsys_clk_probe,
+	.driver = {
+		.name = "miscsys-clk-gate-provider",
+		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(miscsys_clk_gate_of_match),
+	},
+};
+module_platform_driver(light_miscsys_clk_driver);
+MODULE_AUTHOR("wei.liu <lw312886@linux.alibaba.com>");
+MODULE_AUTHOR("Esther.Z <Esther.Z@linux.alibaba.com>");
+MODULE_DESCRIPTION("Thead Light Fullmask miscsys clock gate provider");
+MODULE_LICENSE("GPL v2");

drivers/clk/thead/gate/vpsys-gate.c

@@ -34,15 +34,18 @@ static int light_vpsys_clk_probe(struct platform_device *pdev)
 	if (WARN_ON(IS_ERR(gate_base)))
 		return PTR_ERR(gate_base);
 
-	/* we assume that the gate clock is a root clock  */
+	// DIV & CDE
+	gates[LIGHT_VPSYS_G2D_CCLK_DIV] = thead_clk_light_divider("light_vpsys_g2d_cclk_div", "video_pll_foutvco", gate_base + 0x30, 0, 4, 4, MUX_TYPE_DIV, 3, 9);
+
+	/* G2D clock configuration : Completed the upward configuration of CCLK */
 	gates[LIGHT_VPSYS_G2D_PCLK] = thead_clk_light_gate_shared("clkgen_vpsys_g2d_pclk", NULL,
 								   gate_base + 0x20, 3, &share_cnt_g2d_clk_en);
 	gates[LIGHT_VPSYS_G2D_ACLK] = thead_clk_light_gate_shared("clkgen_vpsys_g2d_aclk", NULL,
 								   gate_base + 0x20, 3, &share_cnt_g2d_clk_en);
-	gates[LIGHT_VPSYS_G2D_CCLK] = thead_clk_light_gate_shared("clkgen_vpsys_g2d_cclk", NULL,
+	gates[LIGHT_VPSYS_G2D_CCLK] = thead_clk_light_gate_shared("clkgen_vpsys_g2d_cclk", "light_vpsys_g2d_cclk_div",
 								   gate_base + 0x20, 3, &share_cnt_g2d_clk_en);
 
-
+	/* we assume that the gate clock is a root clock  */
 	gates[LIGHT_VPSYS_FCE_PCLK] = thead_clk_light_gate_shared("clkgen_vpsys_fce_pclk", NULL,
 								   gate_base + 0x20, 2, &share_cnt_fce_clk_en);
 	gates[LIGHT_VPSYS_FCE_ACLK] = thead_clk_light_gate_shared("clkgen_vpsys_fce_aclk", NULL,

drivers/cpufreq/light-mpw-cpufreq.c

@@ -40,6 +40,9 @@ enum LIGHT_MPW_CPUFREQ_CLKS {
 #define LIGHT_C910_BUS_CLK_DIV_RATIO_2	0x100
 #define LIGHT_C910_BUS_CLK_DIV_RATIO_3	0x200
 
+#define LIGHT_CPU_PLL_IDX(x)	(x)
+#define LIGHT_CPU_PLL_COUNT	2
+
 static int num_clks;
 static struct clk_bulk_data clks[] = {
 	{ .id = "c910_cclk" },
@@ -51,6 +54,7 @@ static struct clk_bulk_data clks[] = {
 static struct device *cpu_dev;
 static struct cpufreq_frequency_table *freq_table;
 static unsigned int max_freq;
+static unsigned int min_freq;
 static unsigned int transition_latency;
 static void __iomem *ap_sys_reg;
 static bool light_dvfs_sv = false;
@@ -58,6 +62,40 @@ static bool light_dvfs_sv = false;
 static u32 *light_dvddm_volt;
 static u32 soc_opp_count = 0;
 
+static int _light_get_pllid(void)
+{
+	int ret;
+
+	if (!strcmp(__clk_get_name(clk_get_parent(clks[LIGHT_C910_CCLK].clk)),
+		__clk_get_name(clks[LIGHT_C910_CCLK_I0].clk))) // pll index 0
+		ret = LIGHT_CPU_PLL_IDX(0);
+	else // pll index 1
+		ret = LIGHT_CPU_PLL_IDX(1);
+
+	return ret;
+}
+
+static int _light_switch_pllid(int pllid, int target_freq)
+{
+	pr_debug("[%s] switchto pll[%d], freq[%u]\n", __func__, pllid, target_freq);
+	if (pllid == LIGHT_CPU_PLL_IDX(1)) {
+		clk_prepare_enable(clks[LIGHT_CPU_PLL1_FOUTPOSTDIV].clk);
+		clk_set_rate(clks[LIGHT_CPU_PLL1_FOUTPOSTDIV].clk, target_freq * 1000);
+		clk_set_parent(clks[LIGHT_C910_CCLK].clk, clks[LIGHT_CPU_PLL1_FOUTPOSTDIV].clk);
+		udelay(1);
+		clk_disable_unprepare(clks[LIGHT_CPU_PLL0_FOUTPOSTDIV].clk);
+	} else {
+		clk_prepare_enable(clks[LIGHT_CPU_PLL0_FOUTPOSTDIV].clk);
+		clk_set_rate(clks[LIGHT_CPU_PLL0_FOUTPOSTDIV].clk, target_freq * 1000);
+		clk_set_parent(clks[LIGHT_C910_CCLK].clk, clks[LIGHT_C910_CCLK_I0].clk);
+		udelay(1);
+		clk_disable_unprepare(clks[LIGHT_CPU_PLL1_FOUTPOSTDIV].clk);
+	}
+
+	return 0;
+}
+
+
 static int light_set_target(struct cpufreq_policy *policy, unsigned int index)
 {
 	struct dev_pm_opp *opp;
@@ -140,20 +178,8 @@ static int light_set_target(struct cpufreq_policy *policy, unsigned int index)
 		}
 	}
 
-	if (!strcmp(__clk_get_name(clk_get_parent(clks[LIGHT_C910_CCLK].clk)),
+	/* switch pll */
-	    __clk_get_name(clks[LIGHT_C910_CCLK_I0].clk))) {
+	_light_switch_pllid((_light_get_pllid()+1)&(LIGHT_CPU_PLL_COUNT-1), new_freq);
-		clk_prepare_enable(clks[LIGHT_CPU_PLL1_FOUTPOSTDIV].clk);
-		clk_set_rate(clks[LIGHT_CPU_PLL1_FOUTPOSTDIV].clk, new_freq * 1000);
-		ret = clk_set_parent(clks[LIGHT_C910_CCLK].clk, clks[LIGHT_CPU_PLL1_FOUTPOSTDIV].clk);
-		udelay(1);
-		clk_disable_unprepare(clks[LIGHT_CPU_PLL0_FOUTPOSTDIV].clk);
-	} else {
-		clk_prepare_enable(clks[LIGHT_CPU_PLL0_FOUTPOSTDIV].clk);
-		clk_set_rate(clks[LIGHT_CPU_PLL0_FOUTPOSTDIV].clk, new_freq * 1000);
-		ret  = clk_set_parent(clks[LIGHT_C910_CCLK].clk, clks[LIGHT_C910_CCLK_I0].clk);
-		udelay(1);
-		clk_disable_unprepare(clks[LIGHT_CPU_PLL1_FOUTPOSTDIV].clk);
-	}
 
 	/*add delay for clk-switch*/
 	udelay(1);
@@ -200,6 +226,35 @@ static int light_set_target(struct cpufreq_policy *policy, unsigned int index)
 	return 0;
 }
 
+static int light_cpufreq_suspend(struct cpufreq_policy *policy)
+{
+	int ret;
+	int index;
+
+	pr_debug("%s: cpu: %d, %u KHz to %u KHz\n",
+			__func__, policy->cpu, policy->cur, policy->suspend_freq);
+
+	ret = cpufreq_generic_suspend(policy);
+	if (ret) {
+		pr_err("%s: failed\n", __func__);
+		return ret;
+	}
+
+	/*
+	 * Only CPU PLL0 would be active after STR resume. We should switch
+	 * CPU PLL to be PLL0 after policy stopped.
+	 */
+	if (_light_get_pllid() == LIGHT_CPU_PLL_IDX(1))
+		_light_switch_pllid(LIGHT_CPU_PLL_IDX(0), policy->suspend_freq);
+
+	return 0;
+}
+
+static int light_cpufreq_resume(struct cpufreq_policy *policy)
+{
+	return 0;
+}
+
 static int light_cpufreq_init(struct cpufreq_policy *policy)
 {
 	policy->clk = clks[LIGHT_C910_CCLK].clk;
@@ -234,7 +289,8 @@ static struct cpufreq_driver light_cpufreq_driver = {
 	.init = light_cpufreq_init,
 	.name = "light-cpufreq",
 	.attr = cpufreq_generic_attr,
-	.suspend = cpufreq_generic_suspend,
+	.suspend = light_cpufreq_suspend,
+	.resume = light_cpufreq_resume,
 };
 
 static int light_cpufreq_pm_notify(struct notifier_block *nb,
@@ -274,15 +330,9 @@ static int panic_cpufreq_notifier_call(struct notifier_block *nb,
 	 * set CPU PLL1's frequency as minimum to compatible voltage
 	 * becarefull if the PLL1 is serving the cpu core, swith to PLL0 first
 	 */
-	if (strcmp(__clk_get_name(clk_get_parent(clks[LIGHT_C910_CCLK].clk)),
+	if (_light_get_pllid() == LIGHT_CPU_PLL_IDX(1)) {
-		__clk_get_name(clks[LIGHT_C910_CCLK_I0].clk))) {
-		pr_debug("[%s,%d]\n", __func__, __LINE__);
-		clk_prepare_enable(clks[LIGHT_CPU_PLL0_FOUTPOSTDIV].clk);
-		clk_set_rate(clks[LIGHT_CPU_PLL0_FOUTPOSTDIV].clk, policy->min * 1000);
-		udelay(1);
-		clk_set_parent(clks[LIGHT_C910_CCLK].clk, clks[LIGHT_C910_CCLK_I0].clk);
-
 		pr_debug("[%s,%d]\n", __func__, __LINE__);
+		_light_switch_pllid(LIGHT_CPU_PLL_IDX(0), policy->min);
 	}
 
 	pr_debug("[%s,%d]\n", __func__, __LINE__);
@@ -292,9 +342,7 @@ static int panic_cpufreq_notifier_call(struct notifier_block *nb,
 	 * set the CPU PLL1's frequency as minimum in advance, otherwise the
 	 * system may crash in crash kernel stage.
 	 */
-	clk_prepare_enable(clks[LIGHT_CPU_PLL1_FOUTPOSTDIV].clk);
+	_light_switch_pllid(LIGHT_CPU_PLL_IDX(1), policy->min);
-	clk_set_rate(clks[LIGHT_CPU_PLL1_FOUTPOSTDIV].clk, policy->min * 1000);
-	udelay(1);
 
 	pr_info("finish to execute cpufreq notifier callback on panic\n");
 
@@ -411,6 +459,7 @@ soc_opp_out:
 		transition_latency = CPUFREQ_ETERNAL;
 
 	max_freq = freq_table[--num].frequency;
+	min_freq = freq_table[0].frequency;
 
 	ret = cpufreq_register_driver(&light_cpufreq_driver);
 	if (ret) {

drivers/cpuidle/Kconfig

@@ -47,6 +47,10 @@ config CPU_IDLE_GOV_HALTPOLL
 config DT_IDLE_STATES
 	bool
 
+config DT_IDLE_GENPD
+	depends on PM_GENERIC_DOMAINS_OF
+	bool
+
 menu "ARM CPU Idle Drivers"
 depends on ARM || ARM64
 source "drivers/cpuidle/Kconfig.arm"

drivers/cpuidle/Kconfig.arm

@@ -27,6 +27,7 @@ config ARM_PSCI_CPUIDLE_DOMAIN
 	bool "PSCI CPU idle Domain"
 	depends on ARM_PSCI_CPUIDLE
 	depends on PM_GENERIC_DOMAINS_OF
+	select DT_IDLE_GENPD
 	default y
 	help
 	  Select this to enable the PSCI based CPUidle driver to use PM domains,

drivers/cpuidle/Kconfig.riscv

@@ -11,3 +11,13 @@ config LIGHT_CPUIDLE
 	  Select this option to enable processor idle state management
 	  through cpuidle subsystem.
 
+config RISCV_SBI_CPUIDLE
+	bool "RISC-V SBI CPU idle Driver"
+	depends on RISCV_SBI
+	select DT_IDLE_STATES
+	select CPU_IDLE_MULTIPLE_DRIVERS
+	select DT_IDLE_GENPD if PM_GENERIC_DOMAINS_OF
+	help
+	  Select this option to enable RISC-V SBI firmware based CPU idle
+	  driver for RISC-V systems. This drivers also supports hierarchical
+	  DT based layout of the idle state.

drivers/cpuidle/Makefile

@@ -6,6 +6,7 @@
 obj-y += cpuidle.o driver.o governor.o sysfs.o governors/
 obj-$(CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED) += coupled.o
 obj-$(CONFIG_DT_IDLE_STATES)		  += dt_idle_states.o
+obj-$(CONFIG_DT_IDLE_GENPD)		  += dt_idle_genpd.o
 obj-$(CONFIG_ARCH_HAS_CPU_RELAX)	  += poll_state.o
 obj-$(CONFIG_HALTPOLL_CPUIDLE)		  += cpuidle-haltpoll.o
 
@@ -34,6 +35,8 @@ obj-$(CONFIG_MIPS_CPS_CPUIDLE)		+= cpuidle-cps.o
 # POWERPC drivers
 obj-$(CONFIG_PSERIES_CPUIDLE)		+= cpuidle-pseries.o
 obj-$(CONFIG_POWERNV_CPUIDLE)		+= cpuidle-powernv.o
+
 ###############################################################################
 # RISC-V drivers
 obj-$(CONFIG_LIGHT_CPUIDLE)          += cpuidle-light.o
+obj-$(CONFIG_RISCV_SBI_CPUIDLE)		+= cpuidle-riscv-sbi.o

drivers/cpuidle/cpuidle-psci-domain.c

@@ -47,73 +47,14 @@ static int psci_pd_power_off(struct generic_pm_domain *pd)
 	return 0;
 }
 
-static int psci_pd_parse_state_nodes(struct genpd_power_state *states,
-				     int state_count)
-{
-	int i, ret;
-	u32 psci_state, *psci_state_buf;
-
-	for (i = 0; i < state_count; i++) {
-		ret = psci_dt_parse_state_node(to_of_node(states[i].fwnode),
-					&psci_state);
-		if (ret)
-			goto free_state;
-
-		psci_state_buf = kmalloc(sizeof(u32), GFP_KERNEL);
-		if (!psci_state_buf) {
-			ret = -ENOMEM;
-			goto free_state;
-		}
-		*psci_state_buf = psci_state;
-		states[i].data = psci_state_buf;
-	}
-
-	return 0;
-
-free_state:
-	i--;
-	for (; i >= 0; i--)
-		kfree(states[i].data);
-	return ret;
-}
-
-static int psci_pd_parse_states(struct device_node *np,
-			struct genpd_power_state **states, int *state_count)
-{
-	int ret;
-
-	/* Parse the domain idle states. */
-	ret = of_genpd_parse_idle_states(np, states, state_count);
-	if (ret)
-		return ret;
-
-	/* Fill out the PSCI specifics for each found state. */
-	ret = psci_pd_parse_state_nodes(*states, *state_count);
-	if (ret)
-		kfree(*states);
-
-	return ret;
-}
-
-static void psci_pd_free_states(struct genpd_power_state *states,
-				unsigned int state_count)
-{
-	int i;
-
-	for (i = 0; i < state_count; i++)
-		kfree(states[i].data);
-	kfree(states);
-}
-
 static int psci_pd_init(struct device_node *np, bool use_osi)
 {
 	struct generic_pm_domain *pd;
 	struct psci_pd_provider *pd_provider;
 	struct dev_power_governor *pd_gov;
-	struct genpd_power_state *states = NULL;
 	int ret = -ENOMEM, state_count = 0;
 
-	pd = kzalloc(sizeof(*pd), GFP_KERNEL);
+	pd = dt_idle_pd_alloc(np, psci_dt_parse_state_node);
 	if (!pd)
 		goto out;
 
@@ -121,22 +62,6 @@ static int psci_pd_init(struct device_node *np, bool use_osi)
 	if (!pd_provider)
 		goto free_pd;
 
-	pd->name = kasprintf(GFP_KERNEL, "%pOF", np);
-	if (!pd->name)
-		goto free_pd_prov;
-
-	/*
-	 * Parse the domain idle states and let genpd manage the state selection
-	 * for those being compatible with "domain-idle-state".
-	 */
-	ret = psci_pd_parse_states(np, &states, &state_count);
-	if (ret)
-		goto free_name;
-
-	pd->free_states = psci_pd_free_states;
-	pd->name = kbasename(pd->name);
-	pd->states = states;
-	pd->state_count = state_count;
 	pd->flags |= GENPD_FLAG_IRQ_SAFE | GENPD_FLAG_CPU_DOMAIN;
 
 	/* Allow power off when OSI has been successfully enabled. */
@@ -149,10 +74,8 @@ static int psci_pd_init(struct device_node *np, bool use_osi)
 	pd_gov = state_count > 0 ? &pm_domain_cpu_gov : NULL;
 
 	ret = pm_genpd_init(pd, pd_gov, false);
-	if (ret) {
+	if (ret)
-		psci_pd_free_states(states, state_count);
+		goto free_pd_prov;
-		goto free_name;
-	}
 
 	ret = of_genpd_add_provider_simple(np, pd);
 	if (ret)
@@ -166,12 +89,10 @@ static int psci_pd_init(struct device_node *np, bool use_osi)
 
 remove_pd:
 	pm_genpd_remove(pd);
-free_name:
-	kfree(pd->name);
 free_pd_prov:
 	kfree(pd_provider);
 free_pd:
-	kfree(pd);
+	dt_idle_pd_free(pd);
 out:
 	pr_err("failed to init PM domain ret=%d %pOF\n", ret, np);
 	return ret;
@@ -195,30 +116,6 @@ static void psci_pd_remove(void)
 	}
 }
 
-static int psci_pd_init_topology(struct device_node *np)
-{
-	struct device_node *node;
-	struct of_phandle_args child, parent;
-	int ret;
-
-	for_each_child_of_node(np, node) {
-		if (of_parse_phandle_with_args(node, "power-domains",
-					"#power-domain-cells", 0, &parent))
-			continue;
-
-		child.np = node;
-		child.args_count = 0;
-		ret = of_genpd_add_subdomain(&parent, &child);
-		of_node_put(parent.np);
-		if (ret) {
-			of_node_put(node);
-			return ret;
-		}
-	}
-
-	return 0;
-}
-
 static bool psci_pd_try_set_osi_mode(void)
 {
 	int ret;
@@ -282,7 +179,7 @@ static int psci_cpuidle_domain_probe(struct platform_device *pdev)
 		goto no_pd;
 
 	/* Link genpd masters/subdomains to model the CPU topology. */
-	ret = psci_pd_init_topology(np);
+	ret = dt_idle_pd_init_topology(np);
 	if (ret)
 		goto remove_pd;
 
@@ -314,28 +211,3 @@ static int __init psci_idle_init_domains(void)
 	return platform_driver_register(&psci_cpuidle_domain_driver);
 }
 subsys_initcall(psci_idle_init_domains);
-
-struct device *psci_dt_attach_cpu(int cpu)
-{
-	struct device *dev;
-
-	dev = dev_pm_domain_attach_by_name(get_cpu_device(cpu), "psci");
-	if (IS_ERR_OR_NULL(dev))
-		return dev;
-
-	pm_runtime_irq_safe(dev);
-	if (cpu_online(cpu))
-		pm_runtime_get_sync(dev);
-
-	dev_pm_syscore_device(dev, true);
-
-	return dev;
-}
-
-void psci_dt_detach_cpu(struct device *dev)
-{
-	if (IS_ERR_OR_NULL(dev))
-		return;
-
-	dev_pm_domain_detach(dev, false);
-}

drivers/cpuidle/cpuidle-psci.h

@@ -10,8 +10,19 @@ void psci_set_domain_state(u32 state);
 int psci_dt_parse_state_node(struct device_node *np, u32 *state);
 
 #ifdef CONFIG_ARM_PSCI_CPUIDLE_DOMAIN
-struct device *psci_dt_attach_cpu(int cpu);
+
-void psci_dt_detach_cpu(struct device *dev);
+#include "dt_idle_genpd.h"
+
+static inline struct device *psci_dt_attach_cpu(int cpu)
+{
+	return dt_idle_attach_cpu(cpu, "psci");
+}
+
+static inline void psci_dt_detach_cpu(struct device *dev)
+{
+	dt_idle_detach_cpu(dev);
+}
+
 #else
 static inline struct device *psci_dt_attach_cpu(int cpu) { return NULL; }
 static inline void psci_dt_detach_cpu(struct device *dev) { }

drivers/cpuidle/cpuidle-riscv-sbi.c

@@ -0,0 +1,639 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * RISC-V SBI CPU idle driver.
+ *
+ * Copyright (c) 2021 Western Digital Corporation or its affiliates.
+ * Copyright (c) 2022 Ventana Micro Systems Inc.
+ */
+
+#define pr_fmt(fmt) "cpuidle-riscv-sbi: " fmt
+
+#include <linux/cpuidle.h>
+#include <linux/cpumask.h>
+#include <linux/cpu_pm.h>
+#include <linux/cpu_cooling.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/pm_runtime.h>
+#include <asm/cpuidle.h>
+#include <asm/sbi.h>
+#include <asm/suspend.h>
+
+#include "dt_idle_states.h"
+#include "dt_idle_genpd.h"
+
+struct sbi_cpuidle_data {
+	u32 *states;
+	struct device *dev;
+};
+
+struct sbi_domain_state {
+	bool available;
+	u32 state;
+};
+
+static DEFINE_PER_CPU_READ_MOSTLY(struct sbi_cpuidle_data, sbi_cpuidle_data);
+static DEFINE_PER_CPU(struct sbi_domain_state, domain_state);
+static bool sbi_cpuidle_use_osi;
+static bool sbi_cpuidle_use_cpuhp;
+static bool sbi_cpuidle_pd_allow_domain_state;
+
+extern void arch_cpu_idle(void);
+
+static inline void sbi_set_domain_state(u32 state)
+{
+	struct sbi_domain_state *data = this_cpu_ptr(&domain_state);
+
+	data->available = true;
+	data->state = state;
+}
+
+static inline u32 sbi_get_domain_state(void)
+{
+	struct sbi_domain_state *data = this_cpu_ptr(&domain_state);
+
+	return data->state;
+}
+
+static inline void sbi_clear_domain_state(void)
+{
+	struct sbi_domain_state *data = this_cpu_ptr(&domain_state);
+
+	data->available = false;
+}
+
+static inline bool sbi_is_domain_state_available(void)
+{
+	struct sbi_domain_state *data = this_cpu_ptr(&domain_state);
+
+	return data->available;
+}
+
+/* Actual code that puts the SoC in different idle states */
+static int light_enter_idle(struct cpuidle_device *dev,
+			struct cpuidle_driver *drv,
+			       int index)
+{
+	arch_cpu_idle();
+	return index;
+}
+
+static int sbi_suspend_finisher(unsigned long suspend_type,
+				unsigned long resume_addr,
+				unsigned long opaque)
+{
+	struct sbiret ret;
+
+	ret = sbi_ecall(SBI_EXT_HSM, SBI_EXT_HSM_HART_SUSPEND,
+			suspend_type, resume_addr, opaque, 0, 0, 0);
+
+	return (ret.error) ? sbi_err_map_linux_errno(ret.error) : 0;
+}
+
+static int sbi_suspend(u32 state)
+{
+	if (state & SBI_HSM_SUSP_NON_RET_BIT)
+		return cpu_suspend(state, sbi_suspend_finisher);
+	else
+		return sbi_suspend_finisher(state, 0, 0);
+}
+
+static int sbi_cpuidle_enter_state(struct cpuidle_device *dev,
+				   struct cpuidle_driver *drv, int idx)
+{
+	u32 *states = __this_cpu_read(sbi_cpuidle_data.states);
+
+	return CPU_PM_CPU_IDLE_ENTER_PARAM(sbi_suspend, idx, states[idx]);
+}
+
+static int __sbi_enter_domain_idle_state(struct cpuidle_device *dev,
+					  struct cpuidle_driver *drv, int idx,
+					  bool s2idle)
+{
+	struct sbi_cpuidle_data *data = this_cpu_ptr(&sbi_cpuidle_data);
+	u32 *states = data->states;
+	struct device *pd_dev = data->dev;
+	u32 state;
+	int ret;
+
+	ret = cpu_pm_enter();
+	if (ret)
+		return -1;
+
+	/* Do runtime PM to manage a hierarchical CPU toplogy. */
+	rcu_irq_enter_irqson();
+	if (s2idle)
+		dev_pm_genpd_suspend(pd_dev);
+	else
+		pm_runtime_put_sync_suspend(pd_dev);
+	rcu_irq_exit_irqson();
+
+	if (sbi_is_domain_state_available())
+		state = sbi_get_domain_state();
+	else
+		state = states[idx];
+
+	ret = sbi_suspend(state) ? -1 : idx;
+
+	rcu_irq_enter_irqson();
+	if (s2idle)
+		dev_pm_genpd_resume(pd_dev);
+	else
+		pm_runtime_get_sync(pd_dev);
+	rcu_irq_exit_irqson();
+
+	cpu_pm_exit();
+
+	/* Clear the domain state to start fresh when back from idle. */
+	sbi_clear_domain_state();
+	return ret;
+}
+
+static int sbi_enter_domain_idle_state(struct cpuidle_device *dev,
+				       struct cpuidle_driver *drv, int idx)
+{
+	return __sbi_enter_domain_idle_state(dev, drv, idx, false);
+}
+
+static int sbi_enter_s2idle_domain_idle_state(struct cpuidle_device *dev,
+					      struct cpuidle_driver *drv,
+					      int idx)
+{
+	return __sbi_enter_domain_idle_state(dev, drv, idx, true);
+}
+
+static int sbi_cpuidle_cpuhp_up(unsigned int cpu)
+{
+	struct device *pd_dev = __this_cpu_read(sbi_cpuidle_data.dev);
+
+	if (pd_dev)
+		pm_runtime_get_sync(pd_dev);
+
+	return 0;
+}
+
+static int sbi_cpuidle_cpuhp_down(unsigned int cpu)
+{
+	struct device *pd_dev = __this_cpu_read(sbi_cpuidle_data.dev);
+
+	if (pd_dev) {
+		pm_runtime_put_sync(pd_dev);
+		/* Clear domain state to start fresh at next online. */
+		sbi_clear_domain_state();
+	}
+
+	return 0;
+}
+
+static void sbi_idle_init_cpuhp(void)
+{
+	int err;
+
+	if (!sbi_cpuidle_use_cpuhp)
+		return;
+
+	err = cpuhp_setup_state_nocalls(CPUHP_AP_CPU_PM_STARTING,
+					"cpuidle/sbi:online",
+					sbi_cpuidle_cpuhp_up,
+					sbi_cpuidle_cpuhp_down);
+	if (err)
+		pr_warn("Failed %d while setup cpuhp state\n", err);
+}
+
+static const struct of_device_id sbi_cpuidle_state_match[] = {
+	{ .compatible = "riscv,idle-state",
+	  .data = sbi_cpuidle_enter_state },
+	{ },
+};
+
+static bool sbi_suspend_state_is_valid(u32 state)
+{
+	if (state > SBI_HSM_SUSPEND_RET_DEFAULT &&
+	    state < SBI_HSM_SUSPEND_RET_PLATFORM)
+		return false;
+	if (state > SBI_HSM_SUSPEND_NON_RET_DEFAULT &&
+	    state < SBI_HSM_SUSPEND_NON_RET_PLATFORM)
+		return false;
+	return true;
+}
+
+static int sbi_dt_parse_state_node(struct device_node *np, u32 *state)
+{
+	int err = of_property_read_u32(np, "riscv,sbi-suspend-param", state);
+
+	if (err) {
+		pr_warn("%pOF missing riscv,sbi-suspend-param property\n", np);
+		return err;
+	}
+
+	if (!sbi_suspend_state_is_valid(*state)) {
+		pr_warn("Invalid SBI suspend state %#x\n", *state);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int sbi_dt_cpu_init_topology(struct cpuidle_driver *drv,
+				     struct sbi_cpuidle_data *data,
+				     unsigned int state_count, int cpu)
+{
+	/* Currently limit the hierarchical topology to be used in OSI mode. */
+	if (!sbi_cpuidle_use_osi)
+		return 0;
+
+	data->dev = dt_idle_attach_cpu(cpu, "sbi");
+	if (IS_ERR_OR_NULL(data->dev))
+		return PTR_ERR_OR_ZERO(data->dev);
+
+	/*
+	 * Using the deepest state for the CPU to trigger a potential selection
+	 * of a shared state for the domain, assumes the domain states are all
+	 * deeper states.
+	 */
+	drv->states[state_count - 1].enter = sbi_enter_domain_idle_state;
+	drv->states[state_count - 1].enter_s2idle =
+					sbi_enter_s2idle_domain_idle_state;
+	sbi_cpuidle_use_cpuhp = true;
+
+	return 0;
+}
+
+static int sbi_cpuidle_dt_init_states(struct device *dev,
+					struct cpuidle_driver *drv,
+					unsigned int cpu,
+					unsigned int state_count)
+{
+	struct sbi_cpuidle_data *data = per_cpu_ptr(&sbi_cpuidle_data, cpu);
+	struct device_node *state_node;
+	struct device_node *cpu_node;
+	u32 *states;
+	int i, ret;
+
+	cpu_node = of_cpu_device_node_get(cpu);
+	if (!cpu_node)
+		return -ENODEV;
+
+	states = devm_kcalloc(dev, state_count, sizeof(*states), GFP_KERNEL);
+	if (!states) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	/* Parse SBI specific details from state DT nodes */
+	for (i = 1; i < state_count; i++) {
+		state_node = of_get_cpu_state_node(cpu_node, i - 1);
+		if (!state_node)
+			break;
+
+		ret = sbi_dt_parse_state_node(state_node, &states[i]);
+		of_node_put(state_node);
+
+		if (ret)
+			return ret;
+
+		pr_debug("sbi-state %#x index %d\n", states[i], i);
+	}
+	if (i != state_count) {
+		ret = -ENODEV;
+		goto fail;
+	}
+
+	/* Initialize optional data, used for the hierarchical topology. */
+	ret = sbi_dt_cpu_init_topology(drv, data, state_count, cpu);
+	if (ret < 0)
+		return ret;
+
+	/* Store states in the per-cpu struct. */
+	data->states = states;
+
+fail:
+	of_node_put(cpu_node);
+
+	return ret;
+}
+
+static void sbi_cpuidle_deinit_cpu(int cpu)
+{
+	struct sbi_cpuidle_data *data = per_cpu_ptr(&sbi_cpuidle_data, cpu);
+
+	dt_idle_detach_cpu(data->dev);
+	sbi_cpuidle_use_cpuhp = false;
+}
+
+static int sbi_cpuidle_init_cpu(struct device *dev, int cpu)
+{
+	struct cpuidle_driver *drv;
+	unsigned int state_count = 0;
+	int ret = 0;
+
+	drv = devm_kzalloc(dev, sizeof(*drv), GFP_KERNEL);
+	if (!drv)
+		return -ENOMEM;
+
+	drv->name = "sbi_cpuidle";
+	drv->owner = THIS_MODULE;
+	drv->cpumask = (struct cpumask *)cpumask_of(cpu);
+
+	/* RISC-V architectural WFI to be represented as state index 0. */
+	drv->states[0].enter = sbi_cpuidle_enter_state;
+	drv->states[0].exit_latency = 1;
+	drv->states[0].target_residency = 1;
+	drv->states[0].power_usage = UINT_MAX;
+	strcpy(drv->states[0].name, "WFI");
+	strcpy(drv->states[0].desc, "RISC-V WFI");
+
+	/*
+	 * If no DT idle states are detected (ret == 0) let the driver
+	 * initialization fail accordingly since there is no reason to
+	 * initialize the idle driver if only wfi is supported, the
+	 * default archictectural back-end already executes wfi
+	 * on idle entry.
+	 */
+	ret = dt_init_idle_driver(drv, sbi_cpuidle_state_match, 1);
+	if (ret <= 0) {
+		pr_debug("HART%ld: failed to parse DT idle states\n",
+			 cpuid_to_hartid_map(cpu));
+		return ret ? : -ENODEV;
+	}
+	state_count = ret + 1; /* Include WFI state as well */
+
+	/* Initialize idle states from DT. */
+	ret = sbi_cpuidle_dt_init_states(dev, drv, cpu, state_count);
+	if (ret) {
+		pr_err("HART%ld: failed to init idle states\n",
+		       cpuid_to_hartid_map(cpu));
+		return ret;
+	}
+
+	ret = cpuidle_register(drv, NULL);
+	if (ret)
+		goto deinit;
+
+	cpuidle_cooling_register(drv);
+
+	return 0;
+deinit:
+	sbi_cpuidle_deinit_cpu(cpu);
+	return ret;
+}
+
+static void sbi_cpuidle_domain_sync_state(struct device *dev)
+{
+	/*
+	 * All devices have now been attached/probed to the PM domain
+	 * topology, hence it's fine to allow domain states to be picked.
+	 */
+	sbi_cpuidle_pd_allow_domain_state = true;
+}
+
+#ifdef CONFIG_DT_IDLE_GENPD
+
+static int sbi_cpuidle_pd_power_off(struct generic_pm_domain *pd)
+{
+	struct genpd_power_state *state = &pd->states[pd->state_idx];
+	u32 *pd_state;
+
+	if (!state->data)
+		return 0;
+
+	if (!sbi_cpuidle_pd_allow_domain_state)
+		return -EBUSY;
+
+	/* OSI mode is enabled, set the corresponding domain state. */
+	pd_state = state->data;
+	sbi_set_domain_state(*pd_state);
+
+	return 0;
+}
+
+struct sbi_pd_provider {
+	struct list_head link;
+	struct device_node *node;
+};
+
+static LIST_HEAD(sbi_pd_providers);
+
+static int sbi_pd_init(struct device_node *np)
+{
+	struct generic_pm_domain *pd;
+	struct sbi_pd_provider *pd_provider;
+	struct dev_power_governor *pd_gov;
+	int ret = -ENOMEM, state_count = 0;
+
+	pd = dt_idle_pd_alloc(np, sbi_dt_parse_state_node);
+	if (!pd)
+		goto out;
+
+	pd_provider = kzalloc(sizeof(*pd_provider), GFP_KERNEL);
+	if (!pd_provider)
+		goto free_pd;
+
+	pd->flags |= GENPD_FLAG_IRQ_SAFE | GENPD_FLAG_CPU_DOMAIN;
+
+	/* Allow power off when OSI is available. */
+	if (sbi_cpuidle_use_osi)
+		pd->power_off = sbi_cpuidle_pd_power_off;
+	else
+		pd->flags |= GENPD_FLAG_ALWAYS_ON;
+
+	/* Use governor for CPU PM domains if it has some states to manage. */
+	pd_gov = state_count > 0 ? &pm_domain_cpu_gov : NULL;
+
+	ret = pm_genpd_init(pd, pd_gov, false);
+	if (ret)
+		goto free_pd_prov;
+
+	ret = of_genpd_add_provider_simple(np, pd);
+	if (ret)
+		goto remove_pd;
+
+	pd_provider->node = of_node_get(np);
+	list_add(&pd_provider->link, &sbi_pd_providers);
+
+	pr_debug("init PM domain %s\n", pd->name);
+	return 0;
+
+remove_pd:
+	pm_genpd_remove(pd);
+free_pd_prov:
+	kfree(pd_provider);
+free_pd:
+	dt_idle_pd_free(pd);
+out:
+	pr_err("failed to init PM domain ret=%d %pOF\n", ret, np);
+	return ret;
+}
+
+static void sbi_pd_remove(void)
+{
+	struct sbi_pd_provider *pd_provider, *it;
+	struct generic_pm_domain *genpd;
+
+	list_for_each_entry_safe(pd_provider, it, &sbi_pd_providers, link) {
+		of_genpd_del_provider(pd_provider->node);
+
+		genpd = of_genpd_remove_last(pd_provider->node);
+		if (!IS_ERR(genpd))
+			kfree(genpd);
+
+		of_node_put(pd_provider->node);
+		list_del(&pd_provider->link);
+		kfree(pd_provider);
+	}
+}
+
+static int sbi_genpd_probe(struct device_node *np)
+{
+	struct device_node *node;
+	int ret = 0, pd_count = 0;
+
+	if (!np)
+		return -ENODEV;
+
+	/*
+	 * Parse child nodes for the "#power-domain-cells" property and
+	 * initialize a genpd/genpd-of-provider pair when it's found.
+	 */
+	for_each_child_of_node(np, node) {
+		if (!of_find_property(node, "#power-domain-cells", NULL))
+			continue;
+
+		ret = sbi_pd_init(node);
+		if (ret)
+			goto put_node;
+
+		pd_count++;
+	}
+
+	/* Bail out if not using the hierarchical CPU topology. */
+	if (!pd_count)
+		goto no_pd;
+
+	/* Link genpd masters/subdomains to model the CPU topology. */
+	ret = dt_idle_pd_init_topology(np);
+	if (ret)
+		goto remove_pd;
+
+	return 0;
+
+put_node:
+	of_node_put(node);
+remove_pd:
+	sbi_pd_remove();
+	pr_err("failed to create CPU PM domains ret=%d\n", ret);
+no_pd:
+	return ret;
+}
+
+#else
+
+static inline int sbi_genpd_probe(struct device_node *np)
+{
+	return 0;
+}
+
+#endif
+
+static int sbi_cpuidle_probe(struct platform_device *pdev)
+{
+	int cpu, ret;
+	struct cpuidle_driver *drv;
+	struct cpuidle_device *dev;
+	struct device_node *np, *pds_node;
+
+	/* Detect OSI support based on CPU DT nodes */
+	sbi_cpuidle_use_osi = true;
+	for_each_possible_cpu(cpu) {
+		np = of_cpu_device_node_get(cpu);
+		if (np &&
+		    of_find_property(np, "power-domains", NULL) &&
+		    of_find_property(np, "power-domain-names", NULL)) {
+			continue;
+		} else {
+			sbi_cpuidle_use_osi = false;
+			break;
+		}
+	}
+
+	/* Populate generic power domains from DT nodes */
+	pds_node = of_find_node_by_path("/cpus/power-domains");
+	if (pds_node) {
+		ret = sbi_genpd_probe(pds_node);
+		of_node_put(pds_node);
+		if (ret)
+			return ret;
+	}
+
+	/* Initialize CPU idle driver for each CPU */
+	for_each_possible_cpu(cpu) {
+		ret = sbi_cpuidle_init_cpu(&pdev->dev, cpu);
+		if (ret) {
+			pr_debug("HART%ld: idle driver init failed\n",
+				 cpuid_to_hartid_map(cpu));
+			goto out_fail;
+		}
+	}
+
+	/* Setup CPU hotplut notifiers */
+	sbi_idle_init_cpuhp();
+
+	pr_info("idle driver registered for all CPUs\n");
+
+	return 0;
+
+out_fail:
+	while (--cpu >= 0) {
+		dev = per_cpu(cpuidle_devices, cpu);
+		drv = cpuidle_get_cpu_driver(dev);
+		cpuidle_unregister(drv);
+		sbi_cpuidle_deinit_cpu(cpu);
+	}
+
+	return ret;
+}
+
+static struct platform_driver sbi_cpuidle_driver = {
+	.probe = sbi_cpuidle_probe,
+	.driver = {
+		.name = "sbi-cpuidle",
+		.sync_state = sbi_cpuidle_domain_sync_state,
+	},
+};
+
+static int __init sbi_cpuidle_init(void)
+{
+	int ret;
+	struct platform_device *pdev;
+
+#if 0
+	/*
+	 * The SBI HSM suspend function is only available when:
+	 * 1) SBI version is 0.3 or higher
+	 * 2) SBI HSM extension is available
+	 */
+	if ((sbi_spec_version < sbi_mk_version(0, 3)) ||
+	    sbi_probe_extension(SBI_EXT_HSM) <= 0) {
+		pr_info("HSM suspend not available\n");
+		return 0;
+	}
+#endif
+	ret = platform_driver_register(&sbi_cpuidle_driver);
+	if (ret)
+		return ret;
+
+	pdev = platform_device_register_simple("sbi-cpuidle",
+						-1, NULL, 0);
+	if (IS_ERR(pdev)) {
+		platform_driver_unregister(&sbi_cpuidle_driver);
+		return PTR_ERR(pdev);
+	}
+
+	return 0;
+}
+device_initcall(sbi_cpuidle_init);

drivers/cpuidle/dt_idle_genpd.c

@@ -0,0 +1,178 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * PM domains for CPUs via genpd.
+ *
+ * Copyright (C) 2019 Linaro Ltd.
+ * Author: Ulf Hansson <ulf.hansson@linaro.org>
+ *
+ * Copyright (c) 2021 Western Digital Corporation or its affiliates.
+ * Copyright (c) 2022 Ventana Micro Systems Inc.
+ */
+
+#define pr_fmt(fmt) "dt-idle-genpd: " fmt
+
+#include <linux/cpu.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/pm_domain.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+
+#include "dt_idle_genpd.h"
+
+static int pd_parse_state_nodes(
+			int (*parse_state)(struct device_node *, u32 *),
+			struct genpd_power_state *states, int state_count)
+{
+	int i, ret;
+	u32 state, *state_buf;
+
+	for (i = 0; i < state_count; i++) {
+		ret = parse_state(to_of_node(states[i].fwnode), &state);
+		if (ret)
+			goto free_state;
+
+		state_buf = kmalloc(sizeof(u32), GFP_KERNEL);
+		if (!state_buf) {
+			ret = -ENOMEM;
+			goto free_state;
+		}
+		*state_buf = state;
+		states[i].data = state_buf;
+	}
+
+	return 0;
+
+free_state:
+	i--;
+	for (; i >= 0; i--)
+		kfree(states[i].data);
+	return ret;
+}
+
+static int pd_parse_states(struct device_node *np,
+			   int (*parse_state)(struct device_node *, u32 *),
+			   struct genpd_power_state **states,
+			   int *state_count)
+{
+	int ret;
+
+	/* Parse the domain idle states. */
+	ret = of_genpd_parse_idle_states(np, states, state_count);
+	if (ret)
+		return ret;
+
+	/* Fill out the dt specifics for each found state. */
+	ret = pd_parse_state_nodes(parse_state, *states, *state_count);
+	if (ret)
+		kfree(*states);
+
+	return ret;
+}
+
+static void pd_free_states(struct genpd_power_state *states,
+			    unsigned int state_count)
+{
+	int i;
+
+	for (i = 0; i < state_count; i++)
+		kfree(states[i].data);
+	kfree(states);
+}
+
+void dt_idle_pd_free(struct generic_pm_domain *pd)
+{
+	pd_free_states(pd->states, pd->state_count);
+	kfree(pd->name);
+	kfree(pd);
+}
+
+struct generic_pm_domain *dt_idle_pd_alloc(struct device_node *np,
+			int (*parse_state)(struct device_node *, u32 *))
+{
+	struct generic_pm_domain *pd;
+	struct genpd_power_state *states = NULL;
+	int ret, state_count = 0;
+
+	pd = kzalloc(sizeof(*pd), GFP_KERNEL);
+	if (!pd)
+		goto out;
+
+	pd->name = kasprintf(GFP_KERNEL, "%pOF", np);
+	if (!pd->name)
+		goto free_pd;
+
+	/*
+	 * Parse the domain idle states and let genpd manage the state selection
+	 * for those being compatible with "domain-idle-state".
+	 */
+	ret = pd_parse_states(np, parse_state, &states, &state_count);
+	if (ret)
+		goto free_name;
+
+	pd->free_states = pd_free_states;
+	pd->name = kbasename(pd->name);
+	pd->states = states;
+	pd->state_count = state_count;
+
+	pr_debug("alloc PM domain %s\n", pd->name);
+	return pd;
+
+free_name:
+	kfree(pd->name);
+free_pd:
+	kfree(pd);
+out:
+	pr_err("failed to alloc PM domain %pOF\n", np);
+	return NULL;
+}
+
+int dt_idle_pd_init_topology(struct device_node *np)
+{
+	struct device_node *node;
+	struct of_phandle_args child, parent;
+	int ret;
+
+	for_each_child_of_node(np, node) {
+		if (of_parse_phandle_with_args(node, "power-domains",
+					"#power-domain-cells", 0, &parent))
+			continue;
+
+		child.np = node;
+		child.args_count = 0;
+		ret = of_genpd_add_subdomain(&parent, &child);
+		of_node_put(parent.np);
+		if (ret) {
+			of_node_put(node);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+struct device *dt_idle_attach_cpu(int cpu, const char *name)
+{
+	struct device *dev;
+
+	dev = dev_pm_domain_attach_by_name(get_cpu_device(cpu), name);
+	if (IS_ERR_OR_NULL(dev))
+		return dev;
+
+	pm_runtime_irq_safe(dev);
+	if (cpu_online(cpu))
+		pm_runtime_get_sync(dev);
+
+	dev_pm_syscore_device(dev, true);
+
+	return dev;
+}
+
+void dt_idle_detach_cpu(struct device *dev)
+{
+	if (IS_ERR_OR_NULL(dev))
+		return;
+
+	dev_pm_domain_detach(dev, false);
+}

drivers/cpuidle/dt_idle_genpd.h

@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __DT_IDLE_GENPD
+#define __DT_IDLE_GENPD
+
+struct device_node;
+struct generic_pm_domain;
+
+#ifdef CONFIG_DT_IDLE_GENPD
+
+void dt_idle_pd_free(struct generic_pm_domain *pd);
+
+struct generic_pm_domain *dt_idle_pd_alloc(struct device_node *np,
+			int (*parse_state)(struct device_node *, u32 *));
+
+int dt_idle_pd_init_topology(struct device_node *np);
+
+struct device *dt_idle_attach_cpu(int cpu, const char *name);
+
+void dt_idle_detach_cpu(struct device *dev);
+
+#else
+
+static inline void dt_idle_pd_free(struct generic_pm_domain *pd)
+{
+}
+
+static inline struct generic_pm_domain *dt_idle_pd_alloc(
+			struct device_node *np,
+			int (*parse_state)(struct device_node *, u32 *))
+{
+	return NULL;
+}
+
+static inline int dt_idle_pd_init_topology(struct device_node *np)
+{
+	return 0;
+}
+
+static inline struct device *dt_idle_attach_cpu(int cpu, const char *name)
+{
+	return NULL;
+}
+
+static inline void dt_idle_detach_cpu(struct device *dev)
+{
+}
+
+#endif
+
+#endif

drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c

@@ -467,7 +467,7 @@ static int dma_chan_alloc_chan_resources(struct dma_chan *dchan)
 	}
 	dev_vdbg(dchan2dev(dchan), "%s: allocating\n", axi_chan_name(chan));
 
-	pm_runtime_get(chan->chip->dev);
+	pm_runtime_get_sync(chan->chip->dev);
 
 	return 0;
 }
@@ -492,7 +492,7 @@ static void dma_chan_free_chan_resources(struct dma_chan *dchan)
 		 "%s: free resources, descriptor still allocated: %u\n",
 		 axi_chan_name(chan), atomic_read(&chan->descs_allocated));
 
-	pm_runtime_put(chan->chip->dev);
+	pm_runtime_put_sync(chan->chip->dev);
 }
 
 static void dw_axi_dma_set_hw_channel(struct axi_dma_chan *chan, bool set)
@@ -1111,7 +1111,8 @@ static int dma_chan_terminate_all(struct dma_chan *dchan)
 	axi_chan_disable(chan);
 
 	ret = readl_poll_timeout_atomic(chan->chip->regs + DMAC_CHEN, val,
-					!(val & chan_active), 1000, 10000);
+					!(val & chan_active), 1000, 100000);
+
 	if (ret == -ETIMEDOUT)
 		dev_warn(dchan2dev(dchan),
 			 "%s failed to stop\n", axi_chan_name(chan));
@@ -1141,6 +1142,8 @@ static int dma_chan_pause(struct dma_chan *dchan)
 	unsigned long flags;
 	unsigned int timeout = 20; /* timeout iterations */
 	u32 val;
+	int ret;
+	u32 chan_active = BIT(chan->id) << DMAC_CHAN_EN_SHIFT;
 
 	spin_lock_irqsave(&chan->vc.lock, flags);
 
@@ -1168,13 +1171,48 @@ static int dma_chan_pause(struct dma_chan *dchan)
 
 	spin_unlock_irqrestore(&chan->vc.lock, flags);
 
+	chan->ch_sar = axi_chan_ioread32(chan, CH_SAR);
+	chan->ch_dar = axi_chan_ioread32(chan, CH_DAR);
+	chan->ch_dar_h = axi_chan_ioread32(chan, CH_DAR_H);
+	chan->ch_block_ts = axi_chan_ioread32(chan, CH_BLOCK_TS);
+	chan->ch_ctl_l = axi_chan_ioread32(chan, CH_CTL_L);
+	chan->ch_ctl_h = axi_chan_ioread32(chan, CH_CTL_H);
+	chan->ch_cfg_l = axi_chan_ioread32(chan, CH_CFG_L);
+	chan->ch_cfg_h = axi_chan_ioread32(chan, CH_CFG_H);
+	chan->ch_llp = axi_chan_ioread32(chan, CH_LLP);
+	//printk("%s for %s ch_sar=0x%x ch_dar=0x%x ch_dar_h=0x%x ch_block_ts=0x%x ch_ctl_l=0x%x ch_ctl_h=0x%x ch_cfg_l=0x%x ch_cfg_h=0x%x ch_llp=0x%x\n", __func__,
+	//	axi_chan_name(chan), chan->ch_sar, chan->ch_dar, chan->ch_dar_h, chan->ch_block_ts, chan->ch_ctl_l, chan->ch_ctl_h, chan->ch_cfg_l, chan->ch_cfg_h, chan->ch_llp);
+
+	axi_chan_disable(chan);
+	ret = readl_poll_timeout_atomic(chan->chip->regs + DMAC_CHEN, val,
+					!(val & chan_active), 1000, 100000);
+	if (ret == -ETIMEDOUT)
+		printk("%s %s failed to stop\n", __func__, axi_chan_name(chan));
+
 	return timeout ? 0 : -EAGAIN;
 }
 
 /* Called in chan locked context */
 static inline void axi_chan_resume(struct axi_dma_chan *chan)
 {
-	u32 val;
+	u32 val, irq_mask;
+	struct axi_dma_desc		*desc = chan->desc;
+	struct axi_dma_hw_desc	*hw_desc = desc->hw_desc;
+
+	axi_chan_iowrite32(chan, CH_SAR, chan->ch_sar);
+	axi_chan_iowrite32(chan, CH_DAR, chan->ch_dar);
+	axi_chan_iowrite32(chan, CH_DAR_H, chan->ch_dar_h);
+	axi_chan_iowrite32(chan, CH_BLOCK_TS, chan->ch_block_ts);
+	axi_chan_iowrite32(chan, CH_CTL_L, chan->ch_ctl_l);
+	axi_chan_iowrite32(chan, CH_CTL_H, chan->ch_ctl_h);
+	axi_chan_iowrite32(chan, CH_CFG_L, chan->ch_cfg_l);
+	axi_chan_iowrite32(chan, CH_CFG_H, chan->ch_cfg_h);
+	axi_chan_iowrite32(chan, CH_LLP, chan->ch_llp);
+	irq_mask = DWAXIDMAC_IRQ_DMA_TRF | DWAXIDMAC_IRQ_ALL_ERR;
+	axi_chan_irq_sig_set(chan, irq_mask);
+	/* Generate 'suspend' status but don't generate interrupt */
+	irq_mask |= DWAXIDMAC_IRQ_SUSPENDED;
+	axi_chan_irq_set(chan, irq_mask);
 
 	val = axi_dma_ioread32(chan->chip, DMAC_CHEN);
 	if (chan->chip->dw->hdata->reg_map_8_channels) {
@@ -1187,7 +1225,11 @@ static inline void axi_chan_resume(struct axi_dma_chan *chan)
 		axi_dma_iowrite32(chan->chip, DMAC_CHSUSPREG, val);
 	}
 
+	axi_chan_enable(chan);
+
 	chan->is_paused = false;
+
+	return;
 }
 
 static int dma_chan_resume(struct dma_chan *dchan)
@@ -1234,6 +1276,21 @@ static int axi_dma_resume(struct axi_dma_chip *chip)
 	return 0;
 }
 
+static void axi_dma_dump(struct axi_dma_chip *chip)
+{
+	struct dw_axi_dma *dw = chip->dw;
+	struct axi_dma_chan *chan;
+	u32 i;
+	struct virt_dma_desc *vd;
+	for (i = 0; i < dw->hdata->nr_channels; i++) {
+		chan = &dw->chan[i];
+		printk("%s chan name %s\n", __func__, axi_chan_name(chan));
+		vd = vchan_next_desc(&chan->vc);
+		axi_chan_list_dump_lli(chan, vd_to_axi_desc(vd));
+	}
+	return;
+}
+
 static int __maybe_unused axi_dma_runtime_suspend(struct device *dev)
 {
 	struct axi_dma_chip *chip = dev_get_drvdata(dev);
@@ -1248,6 +1305,42 @@ static int __maybe_unused axi_dma_runtime_resume(struct device *dev)
 	return axi_dma_resume(chip);
 }
 
+static int __maybe_unused axi_dma_sleep_suspend(struct device *dev)
+{
+
+	//struct axi_dma_chip *chip = dev_get_drvdata(dev);
+	//axi_dma_irq_disable(chip);
+	//axi_dma_disable(chip);
+
+	//clk_disable_unprepare(chip->core_clk);
+	//clk_disable_unprepare(chip->cfgr_clk);
+
+
+	dev_err(dev, "%s, %d\n", __func__, __LINE__);
+
+	return 0;
+}
+
+static int __maybe_unused axi_dma_sleep_resume(struct device *dev)
+{
+	struct axi_dma_chip *chip = dev_get_drvdata(dev);
+	int ret = 0;
+
+	ret = clk_prepare_enable(chip->cfgr_clk);
+	if (ret < 0)
+		return ret;
+
+	ret = clk_prepare_enable(chip->core_clk);
+	if (ret < 0)
+		return ret;
+
+	axi_dma_enable(chip);
+	axi_dma_irq_enable(chip);
+	dev_err(dev, "%s, %d\n", __func__, __LINE__);
+
+	return 0;
+}
+
 static struct dma_chan *dw_axi_dma_of_xlate(struct of_phandle_args *dma_spec,
 					    struct of_dma *ofdma)
 {
@@ -1521,9 +1614,16 @@ static int dw_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM
 static const struct dev_pm_ops dw_axi_dma_pm_ops = {
-	SET_RUNTIME_PM_OPS(axi_dma_runtime_suspend, axi_dma_runtime_resume, NULL)
+       SET_LATE_SYSTEM_SLEEP_PM_OPS(axi_dma_sleep_suspend, axi_dma_sleep_resume)
+       SET_RUNTIME_PM_OPS(axi_dma_runtime_suspend, axi_dma_runtime_resume, NULL)
 };
+#else
+static const struct dev_pm_ops dw_axi_dma_pm_ops = {
+       SET_RUNTIME_PM_OPS(axi_dma_runtime_suspend, axi_dma_runtime_resume, NULL)
+};
+#endif
 
 static const struct of_device_id dw_dma_of_id_table[] = {
 	{ .compatible = "snps,axi-dma-1.01a" },

drivers/dma/dw-axi-dmac/dw-axi-dmac.h

@@ -51,6 +51,15 @@ struct axi_dma_chan {
 	bool				cyclic;
 	/* these other elements are all protected by vc.lock */
 	bool				is_paused;
+	u32		ch_sar;
+	u32		ch_dar;
+	u32		ch_dar_h;
+	u32		ch_block_ts;
+	u32		ch_ctl_l;
+	u32		ch_ctl_h;
+	u32 	ch_cfg_l;
+	u32		ch_cfg_h;
+	u32		ch_llp;
 };
 
 struct dw_axi_dma {
@@ -153,6 +162,7 @@ static inline struct axi_dma_chan *dchan_to_axi_dma_chan(struct dma_chan *dchan)
 /* DMA channel registers offset */
 #define CH_SAR			0x000 /* R/W Chan Source Address */
 #define CH_DAR			0x008 /* R/W Chan Destination Address */
+#define CH_DAR_H	0x00C
 #define CH_BLOCK_TS		0x010 /* R/W Chan Block Transfer Size */
 #define CH_CTL			0x018 /* R/W Chan Control */
 #define CH_CTL_L		0x018 /* R/W Chan Control 00-31 */

drivers/firmware/thead/light_aon.c

@@ -230,10 +230,26 @@ static const struct of_device_id light_aon_match[] = {
 	{ /* Sentinel */ }
 };
 
+static int __maybe_unused light_aon_resume_noirq(struct device *dev)
+{
+	struct light_aon_chan *aon_chan;
+	int ret;
+
+	aon_chan = &light_aon_ipc_handle->chans;
+
+	complete(&aon_chan->tx_done);
+	return 0;
+}
+
+static const struct dev_pm_ops light_aon_pm_ops = {
+	SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(NULL,
+				      light_aon_resume_noirq)
+};
 static struct platform_driver light_aon_driver = {
 	.driver = {
 		.name = "light-aon",
 		.of_match_table = light_aon_match,
+		.pm = &light_aon_pm_ops,
 	},
 	.probe = light_aon_probe,
 };

drivers/gpio/gpio-pca953x.c

@@ -1242,12 +1242,20 @@ static const struct of_device_id pca953x_dt_ids[] = {
 
 MODULE_DEVICE_TABLE(of, pca953x_dt_ids);
 
-static SIMPLE_DEV_PM_OPS(pca953x_pm_ops, pca953x_suspend, pca953x_resume);
+#ifdef CONFIG_PM_SLEEP
+static const struct dev_pm_ops pca953x_pm_ops = {
+    SET_LATE_SYSTEM_SLEEP_PM_OPS(pca953x_suspend,
+				 pca953x_resume)
+};
 
+#define PCA593X_PM_OPS &pca953x_pm_ops
+#else
+#define PCA593X_PM_OPS NULL
+#endif
 static struct i2c_driver pca953x_driver = {
 	.driver = {
 		.name	= "pca953x",
-		.pm	= &pca953x_pm_ops,
+		.pm	= PCA593X_PM_OPS,
 		.of_match_table = pca953x_dt_ids,
 		.acpi_match_table = pca953x_acpi_ids,
 	},