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drivers: panel-bridge: add lt8911exb driver

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This commit is contained in:
Lu Hui
2023-12-25 14:02:22 +08:00
committed by Han Gao/Revy/Rabenda
parent f32b30324f
commit 3a6df042b4
4 changed files with 1140 additions and 0 deletions
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6
drivers/gpu/drm/bridge/Kconfig
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@@ -62,6 +62,12 @@ config DRM_LONTIUM_LT9611
HDMI signals
Please say Y if you have such hardware.
config DRM_LONTIUM_LT8911EXB
tristate "Lontium LT8911EXB mipi2edp chip"
depends on OF
help
Driver for Lontium LT8911EXB DSI to eDP bridge
config DRM_LVDS_CODEC
tristate "Transparent LVDS encoders and decoders support"
depends on OF

1
drivers/gpu/drm/bridge/Makefile
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@@ -3,6 +3,7 @@ obj-$(CONFIG_DRM_CDNS_DSI) += cdns-dsi.o
obj-$(CONFIG_DRM_CHRONTEL_CH7033) += chrontel-ch7033.o
obj-$(CONFIG_DRM_DISPLAY_CONNECTOR) += display-connector.o
obj-$(CONFIG_DRM_LONTIUM_LT9611) += lontium-lt9611.o
obj-$(CONFIG_DRM_LONTIUM_LT8911EXB) += lontium-lt8911exb.o
obj-$(CONFIG_DRM_LVDS_CODEC) += lvds-codec.o
obj-$(CONFIG_DRM_MEGACHIPS_STDPXXXX_GE_B850V3_FW) += megachips-stdpxxxx-ge-b850v3-fw.o
obj-$(CONFIG_DRM_NXP_PTN3460) += nxp-ptn3460.o

1054
drivers/gpu/drm/bridge/lontium-lt8911exb.c Normal file
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File diff suppressed because it is too large Load Diff

79
drivers/gpu/drm/bridge/lontium-lt8911exb.h Normal file
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@@ -0,0 +1,79 @@
/*
Lontium LT8911EXB MIPI to EDP driver
Copyright (C) 2016 - 2017 Topband. Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be a reference
to you, when you are integrating the Lontium's LT8911EXB IC into your system,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
Author: shenhaibo
Version: 1.1.0
Release Date: 2019/3/6
*/
#ifndef _LONTIUM_LT8911EXB_H_
#define _LONTIUM_LT8911EXB_H_
#include <linux/kernel.h>
#include <linux/hrtimer.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/proc_fs.h>
#include <linux/string.h>
#include <linux/uaccess.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/major.h>
#include <linux/kdev_t.h>
#include <linux/of_gpio.h>
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
#endif
#include <linux/usb.h>
#include <linux/power_supply.h>
#define LT8911EXB_I2C_NAME "lt8911exb"
#define LT8911EXB_DRIVER_VERSION "1.0.0"
#define LT8911EXB_ADDR_LENGTH 1
#define I2C_MAX_TRANSFER_SIZE 255
#define RETRY_MAX_TIMES 3
struct lt8911exb_data {
struct i2c_client *client;
int pwr_gpio;
int rst_gpio;
int hact;
int vact;
int hbp;
int hfp;
int hs;
int vbp;
int vfp;
int vs;
int pclk;
int htotal;
int vtotal;
int lane_cnt;
int mipi_lane;
int color; //Color Depth 0:6bit 1:8bit
int test;
};
#endif /*_LONTIUM_LT8911EXB_H_*/