sync: huiwei e92da50a54f00ae044eec58de8ae56cde5bb61dd

merge into 03a9fc66d7ddb7fd4ae80ad121ef1e5abd49aabd

Makefile

@@ -757,6 +757,8 @@ libs-y += drivers/net/phy/
 libs-y += drivers/power/ \
 	drivers/power/domain/ \
 	drivers/power/fuel_gauge/ \
+	drivers/power/charge/ \
+	drivers/mcu/ \
 	drivers/power/mfd/ \
 	drivers/power/pmic/ \
 	drivers/power/battery/ \

arch/riscv/dts/light-huiwei.dts

@@ -8,6 +8,28 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	charge-animation {
+		compatible = "rockchip,uboot-charge";
+		uboot-low-power-voltage = <7300>;
+		status = "okay";
+	};
+
+	leds {
+		status = "okay";
+		compatible = "gpio-leds";
+		red-led {
+			gpios = <&gpio1_porta 14 0>; // GPIO_ACTIVE_HIGH: 0
+			label = "battery_charging";
+			default-state = "off";
+		};
+
+		green-led {
+			gpios = <&gpio1_porta 13 0>; // GPIO_ACTIVE_HIGH: 0
+			label = "battery_full";
+			default-state = "off";
+		};
+	};
+
 	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0xc0000000 0x0 0x40000000>;
@@ -120,6 +142,35 @@
 
 			#address-cells = <1>;
 			#size-cells = <0>;
+
+			cw2015@62 {
+				clock-frequency = <100000>;
+				status = "okay";
+				compatible = "cellwise,cw2015";
+				reg = <0x62>;
+				cellwise,battery-profile = /bits/ 8
+					<0x17 0x67 0x66 0x65 0x64 0x63 0x61 0x5E
+					0x52 0x6D 0x4D 0x58 0x5B 0x51 0x44 0x3B
+					0x33 0x2C 0x26 0x23 0x24 0x29 0x34 0x42
+					0x49 0x16 0x0E 0xB8 0x3D 0x5D 0x68 0x7D
+					0x78 0x75 0x7B 0x7A 0x3F 0x18 0x82 0x48
+					0x09 0x4A 0x1A 0x47 0x86 0x93 0x97 0x15
+					0x49 0x71 0x9A 0xC3 0x80 0x41 0x4F 0xCB
+					0x2F 0x00 0x64 0xA5 0xB5 0x0D 0xB8 0x91>;
+				cellwise,monitor-interval-ms = <5000>;
+				cellwise,dual-cell = <1>;
+				// monitored-battery = <&battery>;
+				// power-supplies = <&bq25703>;
+			};
+
+			bq25703: bq25703@6b {
+				status = "okay";
+				compatible = "ti,bq25703";
+				reg = <0x6b>;
+				ti,charge-current = <2500000>;
+				ti,max-input-voltage = <5000000>;
+				ti,input-current = <2000000>;
+			};
 		};
 
 		i2c1: i2c@ffe7f24000{
@@ -130,6 +181,12 @@
 
 			#address-cells = <1>;
 			#size-cells = <0>;
+
+			mcu_hc32fx:mcu-hc32fx@0x4c {
+				status = "okay";
+				compatible = "mcu_hc32fx";
+				reg = <0x4c>;
+			};
 		};
 
 		i2c2: i2c@ffec00c000{

board/thead/light-c910/light.c

@@ -2504,6 +2504,15 @@ int board_late_init(void)
 	light_usb_boot_check();
 	light_mac_vaild_check();
 	ap_peri_clk_disable();
+
+#ifdef CONFIG_MCU_HC32fX
+	mcu_poweron();
+#endif
+
+#ifdef CONFIG_DM_CHARGE_DISPLAY
+	charge_display();
+#endif
+
 	return 0;
 }
 

configs/light_huiwei_defconfig

@@ -122,3 +122,12 @@ CONFIG_TPM_Z32H330TC_SPI=y
 CONFIG_CMD_TPM=y
 CONFIG_CMD_TPM_V2=y
 CONFIG_CMD_TPM_TEST=y
+CONFIG_DM_CHARGE_DISPLAY=y
+CONFIG_CHARGE_ANIMATION=y
+CONFIG_DM_FUEL_GAUGE=y
+CONFIG_POWER_FG_CW201X=y
+CONFIG_CHARGER_BQ25700=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_DM_MCU=y
+CONFIG_MCU_HC32fX=y

drivers/Kconfig

@@ -130,6 +130,8 @@ source "drivers/w1-eeprom/Kconfig"
 
 source "drivers/watchdog/Kconfig"
 
+source "drivers/mcu/Kconfig"
+
 config PHYS_TO_BUS
 	bool "Custom physical to bus address mapping"
 	help

drivers/mcu/Kconfig

@@ -0,0 +1,15 @@
+menu "MCU Support"
+
+config DM_MCU
+	bool "Enable driver model for mcu device support"
+	depends on DM
+	help
+	  This adds a simple uclass for mcu device.
+	  
+config MCU_HC32fX
+	bool "Enable HC32fX MCU support"
+	depends on DM_MCU
+	help
+	  This adds a driver for the HC32fX MCU support.
+
+endmenu

drivers/mcu/Makefile

@@ -0,0 +1,9 @@
+#
+# Copyright (c) 2015 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-$(CONFIG_DM_MCU)	+= mcu-uclass.o
+obj-$(CONFIG_MCU_HC32fX) += mcu_hc32fx.o

drivers/mcu/mcu-uclass.c

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <mcu/mcu-uclass.h>
+#include <dm/root.h>
+#include <dm/uclass-internal.h>
+
+int _mcu_shutdown(struct udevice *dev)
+{
+	struct mcu_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops->shutdown)
+		return -ENOSYS;
+
+	return ops->shutdown(dev);
+}
+
+int _mcu_poweron(struct udevice *dev)
+{
+	struct mcu_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops->poweron)
+		return -ENOSYS;
+
+	return ops->poweron(dev);
+}
+
+int mcu_poweron(void)
+{
+	struct udevice *mcu;
+	int ret;
+
+	ret = uclass_get_device(UCLASS_MCU, 0, &mcu);
+	if (ret) {
+		printf("Get UCLASS_MCU failed, ret=%d\n", ret);
+		return ret;
+	}
+
+	return _mcu_poweron(mcu);
+}
+
+int mcu_shutdown(void)
+{
+	struct udevice *mcu;
+	int ret;
+
+	ret = uclass_get_device(UCLASS_MCU, 0, &mcu);
+	if (ret) {
+		printf("Get charge display failed, ret=%d\n", ret);
+		return ret;
+	}
+
+	return _mcu_shutdown(mcu);
+}
+
+UCLASS_DRIVER(mcu) = {
+	.id		= UCLASS_MCU,
+	.name		= "mcu",
+};

drivers/mcu/mcu_hc32fx.c

@@ -0,0 +1,97 @@
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <mcu/mcu-uclass.h>
+#include <dm/lists.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define HC32FX_POWEROFF_20    0x20
+#define HC32FX_POWERON_30    0x30
+#define POWER_OFF   0x55
+#define POWER_ON   0x01
+
+struct hc32fx_info {
+	struct udevice *dev;
+};
+
+static u8 hc32fx_read(struct hc32fx_info *hc32fx, u8 reg)
+{
+	u8 val;
+	int ret;
+
+	ret = dm_i2c_read(hc32fx->dev, reg, &val, 1);
+	if (ret) {
+		printf("write error to device: %p register: %#x!",
+		      hc32fx->dev, reg);
+		return ret;
+	}
+
+	return val;
+}
+
+static int hc32fx_write(struct hc32fx_info *hc32fx, u8 reg, u8 val)
+{
+	int ret;
+
+	ret = dm_i2c_write(hc32fx->dev, reg, &val, 1);
+	if (ret) {
+		printf("write error to device: %p register: %#x!",
+		      hc32fx->dev, reg);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int mcu_hc32fx_poweron(struct udevice *dev)
+{
+	struct hc32fx_info *hc32fx = dev_get_priv(dev);
+	int ret;
+
+	ret = hc32fx_write(hc32fx, HC32FX_POWERON_30, POWER_ON);
+	if(ret)
+		printf("set mcu POWERON fail\n");
+
+	return ret;
+}
+
+static int mcu_hc32fx_shutdown(struct udevice *dev)
+{
+	struct hc32fx_info *hc32fx = dev_get_priv(dev);
+	int ret;
+
+	ret = hc32fx_write(hc32fx, HC32FX_POWEROFF_20, POWER_OFF);
+	if(ret)
+		printf("set mcu POWEROFF fail\n");
+
+	return ret;
+}
+
+static int mcu_gpio_probe(struct udevice *dev)
+{
+	struct hc32fx_info *priv = dev_get_priv(dev);
+	priv->dev = dev;
+
+	return 0;
+}
+
+static const struct mcu_ops mcu_hc32fx_ops = {
+	.poweron	= mcu_hc32fx_poweron,
+	.shutdown	= mcu_hc32fx_shutdown,
+};
+
+static const struct udevice_id hc32fx_ops_ids[] = {
+	{ .compatible = "mcu_hc32fx" },
+	{ }
+};
+
+U_BOOT_DRIVER(mcu_gpio) = {
+	.name	= "hc32fx-mcu",
+	.id	= UCLASS_MCU,
+	.of_match = hc32fx_ops_ids,
+	.ops	= &mcu_hc32fx_ops,
+	.priv_auto_alloc_size = sizeof(struct hc32fx_info),
+	.probe	= mcu_gpio_probe,
+};

drivers/power/Kconfig

@@ -2,10 +2,20 @@ menu "Power"
 
 source "drivers/power/domain/Kconfig"
 
+source "drivers/power/fuel_gauge/Kconfig"
+
 source "drivers/power/pmic/Kconfig"
 
 source "drivers/power/regulator/Kconfig"
 
+source "drivers/power/charge/Kconfig"
+
+config DM_CHARGE_DISPLAY
+	bool "Enable driver model for charge display support"
+	depends on DM
+	help
+	  This adds a simple uclass for charge display.
+	  
 choice
 	prompt "Select Sunxi PMIC Variant"
 	depends on ARCH_SUNXI
@@ -72,6 +82,13 @@ config SY8106A_POWER
 
 endchoice
 
+config CHARGE_ANIMATION
+	bool "Enable charge animation"
+	depends on DM_CHARGE_DISPLAY && DM_FUEL_GAUGE
+	select ARM_CPU_SUSPEND
+	help
+	  This adds a simple function for charge animation display.
+
 config AXP_DCDC1_VOLT
 	int "axp pmic dcdc1 voltage"
 	depends on AXP221_POWER || AXP809_POWER || AXP818_POWER

drivers/power/Makefile

@@ -3,11 +3,14 @@
 # Copyright (c) 2009 Wind River Systems, Inc.
 # Tom Rix <Tom.Rix at windriver.com>
 
+obj-$(CONFIG_DM_CHARGE_DISPLAY)	+= charge-display-uclass.o
+
 obj-$(CONFIG_AXP152_POWER)	+= axp152.o
 obj-$(CONFIG_AXP209_POWER)	+= axp209.o
 obj-$(CONFIG_AXP221_POWER)	+= axp221.o
 obj-$(CONFIG_AXP809_POWER)	+= axp809.o
 obj-$(CONFIG_AXP818_POWER)	+= axp818.o
+obj-$(CONFIG_CHARGE_ANIMATION)	+= charge_animation.o
 obj-$(CONFIG_EXYNOS_TMU)	+= exynos-tmu.o
 obj-$(CONFIG_FTPMU010_POWER)	+= ftpmu010.o
 obj-$(CONFIG_SY8106A_POWER)	+= sy8106a.o
@@ -20,3 +23,4 @@ obj-$(CONFIG_DIALOG_POWER) += power_dialog.o
 obj-$(CONFIG_POWER_FSL) += power_fsl.o
 obj-$(CONFIG_POWER_I2C) += power_i2c.o
 obj-$(CONFIG_POWER_SPI) += power_spi.o
+

drivers/power/charge-display-uclass.c

@@ -0,0 +1,40 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <command.h>
+#include <common.h>
+#include <dm.h>
+#include <power/charge_display.h>
+
+int charge_display_show(struct udevice *dev)
+{
+	const struct dm_charge_display_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->show)
+		return -ENOSYS;
+
+	return ops->show(dev);
+}
+
+int charge_display(void)
+{
+	struct udevice *dev;
+	struct udevice *fg_dev;
+	int ret;
+
+	ret = uclass_get_device(UCLASS_CHARGE_DISPLAY, 0, &dev);
+	if (ret) {
+		debug("Get charge display failed, ret=%d\n", ret);
+		return ret;
+	}
+	
+	return charge_display_show(dev);
+}
+
+UCLASS_DRIVER(charge_display) = {
+	.id	= UCLASS_CHARGE_DISPLAY,
+	.name	= "charge_display",
+};

drivers/power/charge/Kconfig

@@ -0,0 +1,5 @@
+config CHARGER_BQ25700
+	bool "BQ25700 charger support"
+	depends on DM_FUEL_GAUGE
+	help
+	  This adds support for BQ25700 charger support.

drivers/power/charge/Makefile

@@ -0,0 +1,7 @@
+#
+# Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-$(CONFIG_CHARGER_BQ25700) += bq25700_charger.o

drivers/power/charge/bq25700_charger.c

@@ -0,0 +1,256 @@
+/*
+ * (C) Copyright 2019 Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/gpio.h>
+#include <dm/device.h>
+#include <dm/uclass.h>
+#include <power/fuel_gauge.h>
+#include <power/pmic.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define BQ25700_ID				0x25700
+#define BQ25703_ID				0x25703
+
+#define COMPAT_BQ25700				"ti,bq25700"
+#define COMPAT_BQ25703				"ti,bq25703"
+
+#define BQ25700_I2C_SPEED			100000
+#define BQ25700_CHARGE_CURRENT_1500MA		0x5C0
+#define BQ25700_SDP_INPUT_CURRENT_500MA		0xA00
+#define BQ25700_DCP_INPUT_CURRENT_1500MA	0x1E00
+#define BQ25700_DCP_INPUT_CURRENT_2000MA	0x2800
+#define BQ25700_DCP_INPUT_CURRENT_3000MA	0x3C00
+
+#define WATCHDOG_ENSABLE			(0x03 << 13)
+
+#define BQ25700_CHARGEOPTION0_REG		0x12
+#define BQ25700_CHARGECURREN_REG		0x14
+#define BQ25700_CHARGERSTAUS_REG		0x20
+#define BQ25700_INPUTVOLTAGE_REG		0x3D
+#define BQ25700_INPUTCURREN_REG			0x3F
+
+#define BQ25703_CHARGEOPTION0_REG		0x00
+#define BQ25703_CHARGECURREN_REG		0x02
+#define BQ25703_CHARGERSTAUS_REG		0x20
+#define BQ25703_INPUTVOLTAGE_REG		0x0A
+#define BQ25703_INPUTCURREN_REG			0x0E
+
+enum bq25700_table_ids {
+	/* range tables */
+	TBL_ICHG,
+	TBL_CHGMAX,
+	TBL_INPUTVOL,
+	TBL_INPUTCUR,
+	TBL_SYSVMIN,
+	TBL_OTGVOL,
+	TBL_OTGCUR,
+	TBL_EXTCON,
+};
+
+struct bq25700 {
+	struct udevice *dev;
+	u32 ichg;
+	u32 chip_id;
+};
+
+struct bq25700_range {
+	u32 min;
+	u32 max;
+	u32 step;
+};
+
+static int bq25700_read(struct bq25700 *charger, uint reg)
+{
+	u16 val;
+	int ret;
+
+	ret = dm_i2c_read(charger->dev, reg, (u8 *)&val, 2);
+	if (ret) {
+		printf("write error to device: %p register: %#x!",
+		      charger->dev, reg);
+		return ret;
+	}
+
+	return val;
+}
+
+static int bq25700_write(struct bq25700 *charger, uint reg, u16 val)
+{
+	int ret;
+
+	ret = dm_i2c_write(charger->dev, reg, (u8 *)&val, 2);
+	if (ret) {
+		printf("write error to device: %p register: %#x!",
+		      charger->dev, reg);
+		return ret;
+	}
+
+	return 0;
+}
+
+static const union {
+	struct bq25700_range  rt;
+} bq25700_tables[] = {
+	/* range tables */
+	[TBL_ICHG] = { .rt = {0, 8128000, 64000} },
+	/* uV */
+	[TBL_CHGMAX] = { .rt = {0, 19200000, 16000} },
+	/* uV  max charge voltage*/
+	[TBL_INPUTVOL] = { .rt = {3200000, 19520000, 64000} },
+	/* uV  input charge voltage*/
+	[TBL_INPUTCUR] = {.rt = {0, 6350000, 50000} },
+	/*uA input current*/
+	[TBL_SYSVMIN] = { .rt = {1024000, 16182000, 256000} },
+	/* uV min system voltage*/
+	[TBL_OTGVOL] = {.rt = {4480000, 20800000, 64000} },
+	/*uV OTG volage*/
+	[TBL_OTGCUR] = {.rt = {0, 6350000, 50000} },
+};
+
+static u32 bq25700_find_idx(u32 value, enum bq25700_table_ids id)
+{
+	const struct bq25700_range *rtbl = &bq25700_tables[id].rt;
+	u32 rtbl_size;
+	u32 idx;
+
+	rtbl_size = (rtbl->max - rtbl->min) / rtbl->step + 1;
+
+	for (idx = 1;
+	     idx < rtbl_size && (idx * rtbl->step + rtbl->min <= value);
+	     idx++)
+		;
+
+	return idx - 1;
+}
+
+static bool bq25700_charger_status(struct bq25700 *charger)
+{
+	int state_of_charger;
+	u16 value;
+
+	value = bq25700_read(charger, BQ25700_CHARGERSTAUS_REG);
+	state_of_charger = value >> 15;
+
+	return state_of_charger;
+}
+
+static bool bq25703_charger_status(struct bq25700 *charger)
+{
+	int state_of_charger;
+	u16 value;
+
+	value = bq25700_read(charger, BQ25703_CHARGERSTAUS_REG);
+	state_of_charger = value >> 15;
+
+	return state_of_charger;
+}
+
+static bool bq257xx_charger_status(struct udevice *dev)
+{
+	struct bq25700 *charger = dev_get_priv(dev);
+
+	if (charger->chip_id == BQ25700_ID)
+		return bq25700_charger_status(charger);
+	else
+		return bq25703_charger_status(charger);
+}
+
+static int bq25700_charger_capability(struct udevice *dev)
+{
+	return FG_CAP_CHARGER;
+}
+
+static int bq25700_get_usb_type(void)
+{
+#ifdef CONFIG_PHY_ROCKCHIP_INNO_USB2
+	return rockchip_chg_get_type();
+#else
+	return 0;
+#endif
+}
+
+static void bq25703_charger_current_init(struct bq25700 *charger)
+{
+	u16 vol_idx = 0, cur_idx, chr_idx;
+	u16 temp;
+
+	temp = bq25700_read(charger, BQ25703_CHARGEOPTION0_REG);
+	temp &= (~WATCHDOG_ENSABLE);
+	bq25700_write(charger, BQ25703_CHARGEOPTION0_REG, temp);
+
+	vol_idx = bq25700_find_idx((5000000 - 1280000 - 3200000), TBL_INPUTVOL);
+	vol_idx = vol_idx << 6;
+	cur_idx = bq25700_find_idx(2500000, TBL_INPUTCUR);
+	cur_idx = cur_idx << 8;
+	chr_idx = bq25700_find_idx(2500000, TBL_ICHG);
+	chr_idx = chr_idx << 6;
+
+	bq25700_write(charger, BQ25703_INPUTCURREN_REG, cur_idx);	//0x0E
+	bq25700_write(charger, BQ25703_INPUTVOLTAGE_REG, vol_idx);  //0x0A
+	bq25700_write(charger, BQ25703_CHARGECURREN_REG, chr_idx);  //0x02
+
+}
+
+static int bq25700_ofdata_to_platdata(struct udevice *dev)
+{
+	struct bq25700 *charger = dev_get_priv(dev);
+	const void *blob = gd->fdt_blob;
+	int node, node1;
+
+	charger->dev = dev;
+
+	node = fdt_node_offset_by_compatible(blob, 0, COMPAT_BQ25700);
+	node1 = fdt_node_offset_by_compatible(blob, 0, COMPAT_BQ25703);
+	if ((node < 0) && (node1 < 0)) {
+		printf("Can't find dts node for charger bq25700\n");
+		return -ENODEV;
+	}
+
+	if (node < 0) {
+		node = node1;
+		charger->chip_id = BQ25703_ID;
+	} else {
+		charger->chip_id = BQ25700_ID;
+	}
+
+	charger->ichg = fdtdec_get_int(blob, node, "ti,charge-current", 0);
+
+	return 0;
+}
+
+static int bq25700_probe(struct udevice *dev)
+{
+	struct bq25700 *charger = dev_get_priv(dev);
+	int ret;
+
+	if (charger->chip_id == BQ25703_ID)
+		bq25703_charger_current_init(charger);
+
+	return 0;
+}
+
+static const struct udevice_id charger_ids[] = {
+	{ .compatible = "ti,bq25700" },
+	{ .compatible = "ti,bq25703" },
+	{ },
+};
+
+static struct dm_fuel_gauge_ops charger_ops = {
+	.get_chrg_online = bq257xx_charger_status,
+	.capability = bq25700_charger_capability,
+};
+
+U_BOOT_DRIVER(bq25700_charger) = {
+	.name = "bq25700_charger",
+	.id = UCLASS_FG,
+	.probe = bq25700_probe,
+	.of_match = charger_ids,
+	.ops = &charger_ops,
+	.ofdata_to_platdata = bq25700_ofdata_to_platdata,
+	.priv_auto_alloc_size = sizeof(struct bq25700),
+};

drivers/power/charge_animation.c

@@ -0,0 +1,245 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <asm/io.h>
+#include <common.h>
+#include <console.h>
+#include <dm.h>
+#include <errno.h>
+#include <led.h>
+#include <rtc.h>
+#include <pwm.h>
+#include <power/charge_display.h>
+#include <power/charge_animation.h>
+#include <power/fuel_gauge.h>
+#include <power/pmic.h>
+#include <mcu/mcu-uclass.h>
+#ifdef CONFIG_IRQ
+#include <irq-generic.h>
+#include <rk_timer_irq.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define IMAGE_RECALC_IDX				-1
+#define IMAGE_SOC_100_IDX(n)			((n) - 2)
+#define IMAGE_LOWPOWER_IDX(n)			((n) - 1)
+#define SYSTEM_SUSPEND_DELAY_MS			5000
+#define FUEL_GAUGE_POLL_MS			1000
+
+#define LED_CHARGING_NAME			"battery_charging"
+#define LED_CHARGING_FULL_NAME			"battery_full"
+
+struct charge_image {
+	const char *name;
+	int soc;
+	int period;	/* ms */
+};
+
+struct charge_animation_priv {
+	struct udevice *fg;
+	struct udevice *charger;
+	struct udevice *mcu;
+#ifdef CONFIG_LED
+	struct udevice *led_charging;
+	struct udevice *led_full;
+#endif
+	const struct charge_image *image;
+	int image_num;
+
+	int auto_wakeup_key_state;
+	ulong auto_screen_off_timeout;	/* ms */
+	ulong suspend_delay_timeout;	/* ms */
+};
+
+#ifdef CONFIG_LED
+static int leds_update(struct udevice *dev, int soc)
+{
+	struct charge_animation_priv *priv = dev_get_priv(dev);
+	static int old_soc = -1;
+	int ret, ledst;
+
+	if (old_soc == soc)
+		return 0;
+
+	old_soc = soc;
+	if (priv->led_charging) {
+		ledst = (soc < 100) ? LEDST_ON : LEDST_OFF;
+		ret = led_set_state(priv->led_charging, ledst);
+		if (ret) {
+			printf("set charging led %s failed, ret=%d\n",
+			       (ledst == LEDST_ON) ? "ON" : "OFF", ret);
+			return ret;
+		}
+	}
+
+	if (priv->led_full) {
+		ledst = (soc == 100) ? LEDST_ON : LEDST_OFF;
+		ret = led_set_state(priv->led_full, ledst);
+		if (ret) {
+			printf("set charging full led %s failed, ret=%d\n",
+			       ledst == LEDST_ON ? "ON" : "OFF", ret);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+#else
+static int leds_update(struct udevice *dev, int soc) { return 0; }
+#endif
+
+static int charge_animation_ofdata_to_platdata(struct udevice *dev)
+{
+	struct charge_animation_pdata *pdata = dev_get_platdata(dev);
+	pdata->low_power_voltage =
+		dev_read_u32_default(dev, "uboot-low-power-voltage", 0);
+
+	return 0;
+}
+
+static int fg_charger_get_chrg_online(struct udevice *dev)
+{
+	struct charge_animation_priv *priv = dev_get_priv(dev);
+	struct udevice *charger;
+
+	charger = priv->charger ? : priv->fg;
+
+	return fuel_gauge_get_chrg_online(charger);
+}
+
+static int charge_animation_show(struct udevice *dev)
+{
+	int soc, voltage, ret, charging = 0;
+	struct charge_animation_priv *priv = dev_get_priv(dev);
+	struct charge_animation_pdata *pdata = dev_get_platdata(dev);
+	struct udevice *fg = priv->fg;
+	struct udevice *mcu = priv->mcu;
+
+	voltage = fuel_gauge_get_voltage(fg);
+	if (voltage < 0)
+		return -EINVAL;
+
+	while (voltage < pdata->low_power_voltage + 50) {
+		soc = fuel_gauge_update_get_soc(fg);
+		if (soc < 0 || soc > 100) {
+			printf("get soc failed: %d\n", soc);
+			continue;
+		} else if (soc >= 1) {
+			printf("soc is: %d\n", soc);
+			break;
+		}
+
+		voltage = fuel_gauge_get_voltage(fg);
+		if (voltage < 0) {
+			printf("get voltage failed: %d\n", voltage);
+			continue;
+		}
+
+		ret = leds_update(dev, soc);
+		if (ret)
+			printf("update led failed: %d\n", ret);
+
+		printf("soc is: %d voltage is :%d\n", soc, voltage);
+
+		charging = fg_charger_get_chrg_online(dev);
+		if (charging <= 0) {
+			mcu_shutdown(); // shutdown system power
+		}
+		mdelay(100);
+	};
+	return 0;
+}
+
+static int fg_charger_get_device(struct udevice **fuel_gauge,
+				 struct udevice **charger)
+{
+	struct udevice *dev;
+	struct uclass *uc;
+	int ret, cap;
+
+	*fuel_gauge = NULL,
+	*charger = NULL;
+
+	ret = uclass_get(UCLASS_FG, &uc);
+	if (ret)
+		return ret;
+
+	for (uclass_first_device(UCLASS_FG, &dev);
+	     dev;
+	     uclass_next_device(&dev)) {
+		cap = fuel_gauge_capability(dev);
+		if (cap == (FG_CAP_CHARGER | FG_CAP_FUEL_GAUGE)) {
+			*fuel_gauge = dev;
+			*charger = NULL;
+		} else if (cap == FG_CAP_FUEL_GAUGE) {
+			*fuel_gauge = dev;
+		} else if (cap == FG_CAP_CHARGER) {
+			*charger = dev;
+		}
+	}
+
+	return (*fuel_gauge) ? 0 : -ENODEV;
+}
+
+static const struct dm_charge_display_ops charge_animation_ops = {
+	.show = charge_animation_show,
+};
+
+static int charge_animation_probe(struct udevice *dev)
+{
+	struct charge_animation_priv *priv = dev_get_priv(dev);
+	int ret, soc;
+	/* Get PMIC: used for power off system  */
+	ret = uclass_get_device(UCLASS_MCU, 0, &priv->mcu);
+	if (ret) {
+		if (ret == -ENODEV)
+			printf("Can't find MCU\n");
+		else
+			printf("Get UCLASS MCU failed: %d\n", ret);
+	}
+
+	/* Get fuel gauge and charger(If need) */
+	ret = fg_charger_get_device(&priv->fg, &priv->charger);
+	if (ret) {
+		if (ret == -ENODEV)
+			debug("Can't find FG\n");
+		else
+			debug("Get UCLASS FG failed: %d\n", ret);
+		// return ret;
+	}
+
+
+#ifdef CONFIG_LED
+	ret = led_get_by_label(LED_CHARGING_NAME, &priv->led_charging);
+	if (!ret)
+		printf("Found Charging LED \n");
+		
+	ret = led_get_by_label(LED_CHARGING_FULL_NAME, &priv->led_full);
+	if (!ret)
+		printf("Found Charging-Full LED\n");
+#endif
+
+	printf("Enable charge animation display\n");
+
+	return 0;
+}
+
+static const struct udevice_id charge_animation_ids[] = {
+	{ .compatible = "rockchip,uboot-charge" },
+	{ },
+};
+
+U_BOOT_DRIVER(charge_animation) = {
+	.name = "charge-animation",
+	.id = UCLASS_CHARGE_DISPLAY,
+	.probe = charge_animation_probe,
+	.of_match = charge_animation_ids,
+	.ops = &charge_animation_ops,
+	.ofdata_to_platdata = charge_animation_ofdata_to_platdata,
+	.platdata_auto_alloc_size = sizeof(struct charge_animation_pdata),
+	.priv_auto_alloc_size = sizeof(struct charge_animation_priv),
+};

drivers/power/fuel_gauge/Kconfig

@@ -0,0 +1,11 @@
+config DM_FUEL_GAUGE
+	bool "Enable driver model fuel gauge support"
+	depends on DM
+	help
+	  This adds a simple uclass for fuel gauge.
+
+config POWER_FG_CW201X
+	bool "CW201X Fuel gauge support"
+	depends on DM_FUEL_GAUGE
+	help
+	  This adds support for CW201X fuel gauge support.

drivers/power/fuel_gauge/Makefile

@@ -3,4 +3,7 @@
 # Copyright (C) 2012 Samsung Electronics
 # Lukasz Majewski <l.majewski@samsung.com>
 
+obj-$(CONFIG_$(SPL_)DM_FUEL_GAUGE) += fuel_gauge_uclass.o
+
 obj-$(CONFIG_POWER_FG_MAX17042) += fg_max17042.o
+obj-$(CONFIG_POWER_FG_CW201X) += fg_cw201x.o

drivers/power/fuel_gauge/fg_cw201x.c

@@ -0,0 +1,415 @@
+/*
+ * (C) Copyright 2008-2015 Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <asm/gpio.h>
+#include <dm.h>
+#include <dm/device.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <i2c.h>
+// #include <linux/usb/phy-rockchip-usb2.h>
+#include <malloc.h>
+#include <power/battery.h>
+#include <power/fuel_gauge.h>
+// #include <power/pmic.h>
+#include "fg_regs.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define COMPAT_ROCKCHIP_CW201X "cw201x"
+
+#define REG_VERSION		0x0
+#define REG_VCELL		0x2
+#define REG_SOC			0x4
+#define REG_RRT_ALERT		0x6
+#define REG_CONFIG		0x8
+#define REG_MODE		0xA
+#define REG_BATINFO		0x10
+
+#define MODE_SLEEP_MASK		(0x3 << 6)
+#define MODE_SLEEP		(0x3 << 6)
+#define MODE_NORMAL		(0x0 << 6)
+#define MODE_QUICK_START	(0x3 << 4)
+#define MODE_RESTART		(0xf << 0)
+
+#define CONFIG_UPDATE_FLG	(0x1 << 1)
+#define ATHD			(0x0 << 3)
+
+enum charger_type {
+	CHARGER_TYPE_NO = 0,
+	CHARGER_TYPE_USB,
+	CHARGER_TYPE_AC,
+	CHARGER_TYPE_DC,
+	CHARGER_TYPE_UNDEF,
+};
+
+struct cw201x_info {
+	struct udevice *dev;
+	int capacity;
+	u32 *cw_bat_config_info;
+	int divider_res1;
+	int divider_res2;
+	int hw_id_check;
+	struct gpio_desc hw_id0;
+	struct gpio_desc hw_id1;
+	int support_dc_adp;
+	struct gpio_desc dc_det_gpio;
+	int dc_det_flag;
+	bool dual_cell;
+};
+
+static u8 cw201x_read(struct cw201x_info *cw201x, u8 reg)
+{
+	u8 val;
+	int ret;
+
+	ret = dm_i2c_read(cw201x->dev, reg, &val, 1);
+	if (ret) {
+		printf("write error to device: %p register: %#x!",
+		      cw201x->dev, reg);
+		return ret;
+	}
+
+	return val;
+}
+
+static int cw201x_write(struct cw201x_info *cw201x, u8 reg, u8 val)
+{
+	int ret;
+
+	ret = dm_i2c_write(cw201x->dev, reg, &val, 1);
+	if (ret) {
+		printf("write error to device: %p register: %#x!",
+		      cw201x->dev, reg);
+		return ret;
+	}
+
+	return 0;
+}
+
+static u16 cw201x_read_half_word(struct cw201x_info *cw201x, int reg)
+{
+	u8 vall, valh;
+	u16 val;
+
+	valh = cw201x_read(cw201x, reg);
+	vall = cw201x_read(cw201x, reg + 1);
+	val = ((u16)valh << 8) | vall;
+
+	return val;
+}
+
+static int cw201x_parse_config_info(struct cw201x_info *cw201x)
+{
+	int ret;
+	int i, len, size;
+	const u8 *info;
+	struct udevice *dev = cw201x->dev;
+
+	if (dev_read_prop(dev, "bat_config_info", &len)) {
+		len /= sizeof(u32);
+		size = sizeof(*cw201x->cw_bat_config_info) * len;
+		cw201x->cw_bat_config_info = calloc(size, 1);
+		if (!cw201x->cw_bat_config_info) {
+			printf("calloc cw_bat_config_info fail\n");
+			return -EINVAL;
+		}
+		ret = dev_read_u32_array(dev, "bat_config_info",
+					 cw201x->cw_bat_config_info, len);
+		if (ret) {
+			printf("fdtdec_get cw_bat_config_info fail\n");
+			return -EINVAL;
+		}
+
+		return 0;
+	}
+
+	if (!dev_read_prop(dev, "cellwise,battery-profile", &len))
+		return -EINVAL;
+
+	size = sizeof(*cw201x->cw_bat_config_info) * len;
+	cw201x->cw_bat_config_info = calloc(size, 1);
+	if (!cw201x->cw_bat_config_info) {
+		printf("calloc cw_bat_config_info fail\n");
+		return -EINVAL;
+	}
+
+	info = dev_read_u8_array_ptr(dev, "cellwise,battery-profile", len);
+	if (!info) {
+		printf("fdtdec_get battery profile fail\n");
+		return -EINVAL;
+	}
+	for (i = 0; i < len; i++) {
+		cw201x->cw_bat_config_info[i] = info[i];
+		printf("%#x ", cw201x->cw_bat_config_info[i]);
+		if ((i+1) % 8 == 0)
+			printf("\n");
+	}
+
+	return 0;
+}
+
+static int cw201x_ofdata_to_platdata(struct udevice *dev)
+{
+	struct cw201x_info *cw201x = dev_get_priv(dev);
+	int ret;
+	int hw_id0_val, hw_id1_val;
+
+	cw201x->dev = dev;
+	ret = cw201x_parse_config_info(cw201x);
+	if (ret)
+		return ret;
+
+	cw201x->dual_cell = dev_read_bool(dev, "cellwise,dual-cell");
+	ret = gpio_request_by_name_nodev(dev_ofnode(dev), "dc_det_gpio",
+					 0, &cw201x->dc_det_gpio, GPIOD_IS_IN);
+	if (!ret) {
+		cw201x->support_dc_adp = 1;
+		printf("DC is valid\n");
+	} else {
+		printf("DC is invalid, ret=%d\n", ret);
+	}
+
+	cw201x->hw_id_check = dev_read_u32_default(dev, "hw_id_check", 0);
+	if (cw201x->hw_id_check) {
+		ret = gpio_request_by_name_nodev(dev_ofnode(dev),
+						 "hw_id0_gpio", 0,
+						 &cw201x->hw_id0, GPIOD_IS_IN);
+		if (ret)
+			return -EINVAL;
+		hw_id0_val = dm_gpio_get_value(&cw201x->hw_id0);
+
+		ret = gpio_request_by_name_nodev(dev_ofnode(dev),
+						 "hw_id1_gpio", 0,
+						 &cw201x->hw_id1, GPIOD_IS_IN);
+		if (ret)
+			return -EINVAL;
+		hw_id1_val = dm_gpio_get_value(&cw201x->hw_id1);
+
+		/* ID1 = 0, ID0 = 1 : Battery */
+		if (!hw_id0_val || hw_id1_val)
+			return -EINVAL;
+	}
+
+	cw201x->divider_res1 = dev_read_u32_default(dev, "divider_res1", 0);
+	cw201x->divider_res2 = dev_read_u32_default(dev, "divider_res2", 0);
+
+	return 0;
+}
+
+static int cw201x_get_vol(struct cw201x_info *cw201x)
+{
+	u16 value16, value16_1, value16_2, value16_3;
+	int voltage;
+	int res1, res2;
+	int retry = 0;
+
+__retry:
+	value16 = cw201x_read_half_word(cw201x, REG_VCELL);
+	if (value16 < 0)
+		return -1;
+
+	value16_1 = cw201x_read_half_word(cw201x, REG_VCELL);
+	if (value16_1 < 0)
+		return -1;
+
+	value16_2 = cw201x_read_half_word(cw201x, REG_VCELL);
+	if (value16_2 < 0)
+		return -1;
+
+	if (value16 > value16_1) {
+		value16_3 = value16;
+		value16 = value16_1;
+		value16_1 = value16_3;
+	}
+
+	if (value16_1 > value16_2) {
+		value16_3 = value16_1;
+		value16_1 = value16_2;
+		value16_2 = value16_3;
+	}
+
+	if (value16 > value16_1) {
+		value16_3 = value16;
+		value16 = value16_1;
+		value16_1 = value16_3;
+	}
+
+	voltage = value16_1 * 312 / 1024;
+	if (voltage <= 0 && retry < 10) {
+		retry++;
+		mdelay(20);
+		goto __retry;
+	}
+
+	if (cw201x->divider_res1 &&
+	    cw201x->divider_res2) {
+		res1 = cw201x->divider_res1;
+		res2 = cw201x->divider_res2;
+		voltage = voltage * (res1 + res2) / res2;
+	}
+
+	if (cw201x->dual_cell)
+		voltage *= 2;
+
+	// printf("the cw201x voltage=%d\n", voltage);
+	return voltage;
+}
+
+static int cw201x_dwc_otg_check_dpdm(void)
+{
+#if defined(CONFIG_PHY_ROCKCHIP_INNO_USB2) && !defined(CONFIG_SPL_BUILD)
+	return rockchip_chg_get_type();
+#else
+	printf("rockchip_chg_get_type() is not implement\n");
+	return CHARGER_TYPE_NO;
+#endif
+}
+
+static int cw201x_get_usb_state(struct cw201x_info *cw201x)
+{
+	int charger_type;
+
+	switch (cw201x_dwc_otg_check_dpdm()) {
+	case 0:
+		charger_type = CHARGER_TYPE_NO;
+		break;
+	case 1:
+	case 3:
+		charger_type = CHARGER_TYPE_USB;
+		break;
+	case 2:
+		charger_type = CHARGER_TYPE_AC;
+		break;
+	default:
+		charger_type = CHARGER_TYPE_NO;
+		break;
+	}
+
+	return charger_type;
+}
+
+static bool cw201x_get_dc_state(struct cw201x_info *cw201x)
+{
+	if (dm_gpio_get_value(&cw201x->dc_det_gpio))
+		return true;
+
+	return false;
+}
+
+static bool cw201x_check_charge(struct cw201x_info *cw201x)
+{
+	if (cw201x_get_usb_state(cw201x) != CHARGER_TYPE_NO)
+		return true;
+	if (cw201x_get_dc_state(cw201x))
+		return true;
+
+	return false;
+}
+
+static int cw201x_get_soc(struct cw201x_info *cw201x)
+{
+	int cap, i = 0;
+
+	while (i < 10) {
+		mdelay(30);
+		cap = cw201x_read(cw201x, REG_SOC);
+		if ((cap < 0) || (cap > 100))
+			cap = cw201x->capacity;
+		i++;
+		if (cap)
+			break;
+	}
+	cw201x->capacity = cap;
+
+	return cw201x->capacity;
+}
+
+static int cw201x_update_get_soc(struct udevice *dev)
+{
+	struct cw201x_info *cw201x = dev_get_priv(dev);
+
+	return cw201x_get_soc(cw201x);
+}
+
+static int cw201x_update_get_voltage(struct udevice *dev)
+{
+	struct cw201x_info *cw201x = dev_get_priv(dev);
+
+	return cw201x_get_vol(cw201x);
+}
+
+static int cw201x_update_get_current(struct udevice *dev)
+{
+	return 0;
+}
+
+static bool cw201x_update_get_chrg_online(struct udevice *dev)
+{
+	struct cw201x_info *cw201x = dev_get_priv(dev);
+
+	return cw201x_check_charge(cw201x);
+}
+
+static int cw201x_capability(struct udevice *dev)
+{
+	return FG_CAP_FUEL_GAUGE;
+}
+
+static struct dm_fuel_gauge_ops cw201x_fg_ops = {
+	.capability = cw201x_capability,
+	.get_soc = cw201x_update_get_soc,
+	.get_voltage = cw201x_update_get_voltage,
+	.get_current = cw201x_update_get_current,
+	.get_chrg_online = cw201x_update_get_chrg_online,
+};
+
+static int cw201x_fg_cfg(struct cw201x_info *cw201x)
+{
+	u8 val = MODE_SLEEP;
+	int i;
+
+	if ((val & MODE_SLEEP_MASK) == MODE_SLEEP) {
+		val = MODE_NORMAL;
+		cw201x_write(cw201x, REG_MODE, val);
+	}
+
+	for (i = 0; i < 64; i++) {
+		cw201x_write(cw201x, REG_BATINFO + i,
+			     (u8)cw201x->cw_bat_config_info[i]);
+	}
+
+	return 0;
+}
+
+static int cw201x_fg_probe(struct udevice *dev)
+{
+	struct cw201x_info *cw201x = dev_get_priv(dev);
+
+	cw201x->dev = dev;
+	cw201x_fg_cfg(cw201x);
+
+	printf("vol: %d, soc: %d\n",
+	      cw201x_get_vol(cw201x), cw201x_get_soc(cw201x));
+
+	return 0;
+}
+
+static const struct udevice_id cw201x_ids[] = {
+	{ .compatible = "cw201x" },
+	{ .compatible = "cellwise,cw2015" },
+	{ }
+};
+
+U_BOOT_DRIVER(cw201x_fg) = {
+	.name = "cw201x_fg",
+	.id = UCLASS_FG,
+	.of_match = cw201x_ids,
+	.probe = cw201x_fg_probe,
+	.ofdata_to_platdata = cw201x_ofdata_to_platdata,
+	.ops = &cw201x_fg_ops,
+	.priv_auto_alloc_size = sizeof(struct cw201x_info),
+};

drivers/power/fuel_gauge/fg_regs.h

@@ -0,0 +1,95 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _FG_RK8XX_H_
+#define _FG_RK8XX_H_
+
+/* register definition */
+#define SECONDS_REG		0X00
+#define VB_MON_REG		0x21
+#define THERMAL_REG		0x22
+#define SUP_STS_REG		0xA0
+#define USB_CTRL_REG		0xA1
+#define CHRG_CTRL_REG1		0xA3
+#define CHRG_CTRL_REG2		0xA4
+#define CHRG_CTRL_REG3		0xA5
+#define BAT_CTRL_REG		0xA6
+#define BAT_HTS_TS_REG		0xA8
+#define BAT_LTS_TS_REG		0xA9
+#define TS_CTRL_REG		0xAC
+#define ADC_CTRL_REG		0xAD
+#define GGCON_REG		0xB0
+#define GGSTS_REG		0xB1
+#define ZERO_CUR_ADC_REGH	0xB2
+#define ZERO_CUR_ADC_REGL	0xB3
+#define GASCNT_CAL_REG3		0xB4
+#define GASCNT_CAL_REG2		0xB5
+#define GASCNT_CAL_REG1		0xB6
+#define GASCNT_CAL_REG0		0xB7
+#define GASCNT_REG3		0xB8
+#define GASCNT_REG2		0xB9
+#define GASCNT_REG1		0xBA
+#define GASCNT_REG0		0xBB
+#define BAT_CUR_AVG_REGH	0xBC
+#define BAT_CUR_AVG_REGL	0xBD
+#define TS_ADC_REGH		0xBE
+#define TS_ADC_REGL		0xBF
+#define RK818_TS2_ADC_REGH	0xC0
+#define RK818_TS2_ADC_REGL	0xC1
+#define RK816_USB_ADC_REGH	0xC0
+#define RK816_USB_ADC_REGL	0xC1
+#define BAT_OCV_REGH		0xC2
+#define BAT_OCV_REGL		0xC3
+#define BAT_VOL_REGH		0xC4
+#define BAT_VOL_REGL		0xC5
+#define RELAX_ENTRY_THRES_REGH	0xC6
+#define RELAX_ENTRY_THRES_REGL	0xC7
+#define RELAX_EXIT_THRES_REGH	0xC8
+#define RELAX_EXIT_THRES_REGL	0xC9
+#define RELAX_VOL1_REGH		0xCA
+#define RELAX_VOL1_REGL		0xCB
+#define RELAX_VOL2_REGH		0xCC
+#define RELAX_VOL2_REGL		0xCD
+#define RELAX_CUR1_REGH		0xCE
+#define RELAX_CUR1_REGL		0xCF
+#define RELAX_CUR2_REGH		0xD0
+#define RELAX_CUR2_REGL		0xD1
+#define CAL_OFFSET_REGH		0xD2
+#define CAL_OFFSET_REGL		0xD3
+#define NON_ACT_TIMER_CNT_REG	0xD4
+#define VCALIB0_REGH		0xD5
+#define VCALIB0_REGL		0xD6
+#define VCALIB1_REGH		0xD7
+#define VCALIB1_REGL		0xD8
+#define FCC_GASCNT_REG3		0xD9
+#define FCC_GASCNT_REG2		0xDA
+#define FCC_GASCNT_REG1		0xDB
+#define FCC_GASCNT_REG0		0xDC
+#define IOFFSET_REGH		0xDD
+#define IOFFSET_REGL		0xDE
+#define SLEEP_CON_SAMP_CUR_REG	0xDF
+#define SOC_REG			0xE0
+#define	REMAIN_CAP_REG3		0xE1
+#define	REMAIN_CAP_REG2		0xE2
+#define	REMAIN_CAP_REG1		0xE3
+#define	REMAIN_CAP_REG0		0xE4
+#define	UPDAT_LEVE_REG		0xE5
+#define	NEW_FCC_REG3		0xE6
+#define	NEW_FCC_REG2		0xE7
+#define	NEW_FCC_REG1		0xE8
+#define	NEW_FCC_REG0		0xE9
+#define NON_ACT_TIMER_CNT_SAVE_REG 0xEA
+#define OCV_VOL_VALID_REG	0xEB
+#define REBOOT_CNT_REG		0xEC
+#define POFFSET_REG		0xED
+#define MISC_MARK_REG		0xEE
+#define HALT_CNT_REG          	0xEF
+#define DATA15_REG		0xEF
+#define DATA16_REG		0xF0
+#define DATA17_REG		0xF1
+#define DATA18_REG		0xF2
+
+#endif

drivers/power/fuel_gauge/fuel_gauge_uclass.c

@@ -0,0 +1,136 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <errno.h>
+#include <dm.h>
+#include <power/fuel_gauge.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int fuel_gauge_capability(struct udevice *dev)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->capability)
+		return (FG_CAP_CHARGER | FG_CAP_FUEL_GAUGE);
+
+	return ops->capability(dev);
+}
+
+int fuel_gauge_bat_is_exist(struct udevice *dev)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->bat_is_exist)
+		return -ENOSYS;
+
+	return ops->bat_is_exist(dev);
+}
+
+int fuel_gauge_get_current(struct udevice *dev)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->get_current)
+		return -ENOSYS;
+
+	return ops->get_current(dev);
+}
+
+int fuel_gauge_get_voltage(struct udevice *dev)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->get_voltage)
+		return -ENOSYS;
+
+	return ops->get_voltage(dev);
+}
+
+int fuel_gauge_update_get_soc(struct udevice *dev)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->get_soc)
+		return -ENOSYS;
+
+	return ops->get_soc(dev);
+}
+
+bool fuel_gauge_get_chrg_online(struct udevice *dev)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->get_chrg_online)
+		return -ENOSYS;
+
+	return ops->get_chrg_online(dev);
+}
+
+int fuel_gauge_get_temperature(struct udevice *dev, int *temp)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->get_temperature)
+		return -ENOSYS;
+
+	return ops->get_temperature(dev, temp);
+}
+
+int charger_set_charger_voltage(struct udevice *dev, int uV)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->set_charger_voltage)
+		return -ENOSYS;
+
+	return ops->set_charger_voltage(dev, uV);
+}
+
+int charger_set_current(struct udevice *dev, int ichrg_uA)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->set_charger_current)
+		return -ENOSYS;
+
+	return ops->set_charger_current(dev, ichrg_uA);
+}
+
+int charger_set_iprechg_current(struct udevice *dev, int iprechrg_uA)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->set_iprechg_current)
+		return -ENOSYS;
+
+	return ops->set_iprechg_current(dev, iprechrg_uA);
+}
+
+int charger_set_enable(struct udevice *dev)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->set_charger_enable)
+		return -ENOSYS;
+
+	return ops->set_charger_enable(dev);
+}
+
+int charger_set_disable(struct udevice *dev)
+{
+	const struct dm_fuel_gauge_ops *ops = dev_get_driver_ops(dev);
+
+	if (!ops || !ops->set_charger_disable)
+		return -ENOSYS;
+
+	return ops->set_charger_disable(dev);
+}
+
+UCLASS_DRIVER(fuel_guage) = {
+	.id		= UCLASS_FG,
+	.name		= "fuel_gauge",
+};

include/dm/uclass-id.h

@@ -115,7 +115,9 @@ enum uclass_id {
 	UCLASS_W1,		/* Dallas 1-Wire bus */
 	UCLASS_W1_EEPROM,	/* one-wire EEPROMs */
 	UCLASS_WDT,		/* Watchdog Timer driver */
-
+	UCLASS_FG,		/* Fuel gauge */
+	UCLASS_CHARGE_DISPLAY,	/* Charge display */
+	UCLASS_MCU,		/* MCU device */
 	UCLASS_COUNT,
 	UCLASS_INVALID = -1,
 };

include/mcu/mcu-uclass.h

@@ -0,0 +1,23 @@
+#ifndef __MCU_H
+#define __MCU_H
+
+struct mcu_ops {
+	int (*shutdown)(struct udevice *dev);
+	int (*poweron)(struct udevice *dev);
+};
+
+/**
+ * mcu_shutdown() - power off supplies
+ *
+ * @return 0 on success or negative value of errno.
+ */
+int mcu_shutdown(void);
+
+/**
+ * mcu_poweron() - power on supplies
+ *
+ * @return 0 on success or negative value of errno.
+ */
+int mcu_poweron(void);
+
+#endif

include/power/charge_animation.h

@@ -0,0 +1,33 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _CHARGE_ANIMATION_H_
+#define _CHARGE_ANIMATION_H_
+
+struct regulator_mem {
+	struct udevice *dev;
+	bool enable;
+};
+
+struct charge_animation_pdata {
+	int android_charge;	/* android charge, 1: enable, 0: disable */
+	int uboot_charge;	/* u-boot charge, 1: enable, 0: disable */
+
+	int auto_exit_charge;	/* energy enough auto exit uboot charging*/
+	int exit_charge_voltage;/* lowest voltage allowed to exit charging */
+	int exit_charge_level;  /* lowest soc level allowed to exit charging */
+	int low_power_voltage;	/* below this voltage, force system into charge mode anyway */
+	int screen_on_voltage;	/* lowest voltage allowed to turn on screen */
+
+	int system_suspend;	/* enter ATF system suspend, 1: enable, 0: disable */
+	int auto_wakeup_interval;/* timeout seconds to auto wakeup system */
+	int auto_wakeup_screen_invert;/* auto wakeup system, 1: enable, 0: disable */
+	int auto_off_screen_interval;/* timeout seconds to auto turn off screen */
+
+	struct regulator_mem *regulators_mem; /* assigned regulator suspend state */
+};
+
+#endif

include/power/charge_display.h

@@ -0,0 +1,17 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _CHARGE_DISPLAY_H_
+#define _CHARGE_DISPLAY_H_
+
+struct dm_charge_display_ops {
+	int (*show)(struct udevice *dev);
+};
+
+int charge_display(void);
+int charge_display_show(struct udevice *dev);
+
+#endif

include/power/fuel_gauge.h

@@ -0,0 +1,46 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _FUEL_GAUGE_H_
+#define _FUEL_GAUGE_H_
+
+#ifndef BIT
+#define BIT(nr)				(1 << (nr))
+#endif
+
+/* Capability */
+#define FG_CAP_FUEL_GAUGE	BIT(0)
+#define FG_CAP_CHARGER		BIT(1)
+
+struct dm_fuel_gauge_ops {
+	int (*capability)(struct udevice *dev);
+	int (*bat_is_exist)(struct udevice *dev);
+	int (*get_soc)(struct udevice *dev);
+	int (*get_voltage)(struct udevice *dev);
+	int (*get_current)(struct udevice *dev);
+	int (*get_temperature)(struct udevice *dev, int *temp);
+	bool (*get_chrg_online)(struct udevice *dev);
+	int (*set_charger_voltage)(struct udevice *dev, int uV);
+	int (*set_charger_enable)(struct udevice *dev);
+	int (*set_charger_disable)(struct udevice *dev);
+	int (*set_iprechg_current)(struct udevice *dev, int iprechrg_uA);
+	int (*set_charger_current)(struct udevice *dev, int ichrg_uA);
+};
+
+int fuel_gauge_capability(struct udevice *dev);
+int fuel_gauge_bat_is_exist(struct udevice *dev);
+int fuel_gauge_update_get_soc(struct udevice *dev);
+int fuel_gauge_get_voltage(struct udevice *dev);
+int fuel_gauge_get_current(struct udevice *dev);
+bool fuel_gauge_get_chrg_online(struct udevice *dev);
+int fuel_gauge_get_temperature(struct udevice *dev, int *temp);
+int charger_set_charger_voltage(struct udevice *dev, int uV);
+int charger_set_iprechg_current(struct udevice *dev, int iprechrg_uA);
+int charger_set_current(struct udevice *dev, int ichrg_uA);
+int charger_set_enable(struct udevice *dev);
+int charger_set_disable(struct udevice *dev);
+
+#endif