video: panel: add Renesas R69328 MIPI DSI panel driver
Driver adds support for panels with Renesas R69328 IC Currently supported compatible is: - jdi,dx12d100vm0eaa Tested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com> # LG P880 T30 Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # LG P895 T30 Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Svyatoslav Ryhel
Anatolij Gustschin
parent
dcee478a6f
commit
6d9b3a7e83
3 changed files with 248 additions and 0 deletions
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@ -489,6 +489,15 @@ config VIDEO_LCD_RENESAS_R61307
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IPS-LCD module with Renesas R69328 IC. The panel has a 1024x768
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resolution and uses 24 bit RGB per pixel.
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config VIDEO_LCD_RENESAS_R69328
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tristate "Renesas R69328 720x1280 DSI video mode panel"
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depends on PANEL && BACKLIGHT
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select VIDEO_MIPI_DSI
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help
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Say Y here if you want to enable support for JDI dx12d100vm0eaa
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IPS-LCD module with Renesas R69328 IC. The panel has a 720x1280
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resolution and uses 24 bit RGB per pixel.
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config VIDEO_LCD_SSD2828
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bool "SSD2828 bridge chip"
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---help---
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@ -57,6 +57,7 @@ obj-$(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM) += hitachi_tx18d42vm_lcd.o
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obj-$(CONFIG_VIDEO_LCD_ORISETECH_OTM8009A) += orisetech_otm8009a.o
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obj-$(CONFIG_VIDEO_LCD_RAYDIUM_RM68200) += raydium-rm68200.o
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obj-$(CONFIG_VIDEO_LCD_RENESAS_R61307) += renesas-r61307.o
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obj-$(CONFIG_VIDEO_LCD_RENESAS_R69328) += renesas-r69328.o
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obj-$(CONFIG_VIDEO_LCD_SSD2828) += ssd2828.o
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obj-$(CONFIG_VIDEO_LCD_TDO_TL070WSH30) += tdo-tl070wsh30.o
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obj-$(CONFIG_VIDEO_MCDE_SIMPLE) += mcde_simple.o
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238
drivers/video/renesas-r69328.c
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238
drivers/video/renesas-r69328.c
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@ -0,0 +1,238 @@
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Renesas R69328 panel driver
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*
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* Copyright (c) 2022 Svyatoslav Ryhel <clamor95@gmail.com>
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*/
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#include <common.h>
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#include <backlight.h>
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#include <dm.h>
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#include <panel.h>
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#include <log.h>
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#include <misc.h>
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#include <mipi_display.h>
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#include <mipi_dsi.h>
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#include <asm/gpio.h>
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <power/regulator.h>
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/*
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* The datasheet is not publicly available, all values are
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* taken from the downstream. If you have access to datasheets,
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* corrections are welcome.
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*/
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#define R69328_MACP 0xB0 /* Manufacturer Command Access Protect */
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#define R69328_GAMMA_SET_A 0xC8 /* Gamma Setting A */
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#define R69328_GAMMA_SET_B 0xC9 /* Gamma Setting B */
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#define R69328_GAMMA_SET_C 0xCA /* Gamma Setting C */
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#define R69328_POWER_SET 0xD1
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struct renesas_r69328_priv {
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struct udevice *backlight;
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struct gpio_desc enable_gpio;
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struct gpio_desc reset_gpio;
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};
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static const u8 address_mode[] = {
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MIPI_DCS_SET_ADDRESS_MODE
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};
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#define dsi_generic_write_seq(dsi, cmd, seq...) do { \
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static const u8 b[] = { cmd, seq }; \
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int ret; \
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ret = mipi_dsi_dcs_write_buffer(dsi, b, ARRAY_SIZE(b)); \
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if (ret < 0) \
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return ret; \
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} while (0)
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static struct display_timing default_timing = {
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.pixelclock.typ = 68000000,
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.hactive.typ = 720,
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.hfront_porch.typ = 92,
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.hback_porch.typ = 62,
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.hsync_len.typ = 4,
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.vactive.typ = 1280,
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.vfront_porch.typ = 6,
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.vback_porch.typ = 3,
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.vsync_len.typ = 1,
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};
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static int renesas_r69328_enable_backlight(struct udevice *dev)
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{
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struct renesas_r69328_priv *priv = dev_get_priv(dev);
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int ret;
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ret = dm_gpio_set_value(&priv->enable_gpio, 1);
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if (ret) {
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log_err("error changing enable-gpios (%d)\n", ret);
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return ret;
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}
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mdelay(5);
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ret = dm_gpio_set_value(&priv->reset_gpio, 0);
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if (ret) {
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log_err("error changing reset-gpios (%d)\n", ret);
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return ret;
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}
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mdelay(5);
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ret = dm_gpio_set_value(&priv->reset_gpio, 1);
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if (ret) {
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log_err("error changing reset-gpios (%d)\n", ret);
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return ret;
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}
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mdelay(5);
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return 0;
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}
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static int renesas_r69328_set_backlight(struct udevice *dev, int percent)
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{
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struct renesas_r69328_priv *priv = dev_get_priv(dev);
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struct mipi_dsi_panel_plat *plat = dev_get_plat(dev);
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struct mipi_dsi_device *dsi = plat->device;
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int ret;
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mipi_dsi_dcs_write_buffer(dsi, address_mode,
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sizeof(address_mode));
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ret = mipi_dsi_dcs_set_pixel_format(dsi, MIPI_DCS_PIXEL_FMT_24BIT << 4);
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if (ret < 0) {
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log_err("failed to set pixel format: %d\n", ret);
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return ret;
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}
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ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
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if (ret < 0) {
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log_err("failed to exit sleep mode: %d\n", ret);
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return ret;
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}
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mdelay(100);
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/* MACP Off */
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dsi_generic_write_seq(dsi, R69328_MACP, 0x04);
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dsi_generic_write_seq(dsi, R69328_POWER_SET, 0x14,
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0x1d, 0x21, 0x67, 0x11, 0x9a);
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dsi_generic_write_seq(dsi, R69328_GAMMA_SET_A, 0x00,
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0x1a, 0x20, 0x28, 0x25, 0x24,
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0x26, 0x15, 0x13, 0x11, 0x18,
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0x1e, 0x1c, 0x00, 0x00, 0x1a,
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0x20, 0x28, 0x25, 0x24, 0x26,
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0x15, 0x13, 0x11, 0x18, 0x1e,
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0x1c, 0x00);
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dsi_generic_write_seq(dsi, R69328_GAMMA_SET_B, 0x00,
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0x1a, 0x20, 0x28, 0x25, 0x24,
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0x26, 0x15, 0x13, 0x11, 0x18,
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0x1e, 0x1c, 0x00, 0x00, 0x1a,
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0x20, 0x28, 0x25, 0x24, 0x26,
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0x15, 0x13, 0x11, 0x18, 0x1e,
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0x1c, 0x00);
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dsi_generic_write_seq(dsi, R69328_GAMMA_SET_C, 0x00,
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0x1a, 0x20, 0x28, 0x25, 0x24,
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0x26, 0x15, 0x13, 0x11, 0x18,
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0x1e, 0x1c, 0x00, 0x00, 0x1a,
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0x20, 0x28, 0x25, 0x24, 0x26,
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0x15, 0x13, 0x11, 0x18, 0x1e,
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0x1c, 0x00);
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/* MACP On */
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dsi_generic_write_seq(dsi, R69328_MACP, 0x03);
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ret = mipi_dsi_dcs_set_display_on(dsi);
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if (ret < 0) {
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log_err("failed to set display on: %d\n", ret);
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return ret;
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}
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mdelay(50);
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ret = backlight_enable(priv->backlight);
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if (ret)
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return ret;
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ret = backlight_set_brightness(priv->backlight, percent);
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if (ret)
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return ret;
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return 0;
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}
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static int renesas_r69328_timings(struct udevice *dev,
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struct display_timing *timing)
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{
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memcpy(timing, &default_timing, sizeof(*timing));
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return 0;
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}
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static int renesas_r69328_of_to_plat(struct udevice *dev)
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{
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struct renesas_r69328_priv *priv = dev_get_priv(dev);
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int ret;
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ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev,
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"backlight", &priv->backlight);
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if (ret) {
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log_err("cannot get backlight: ret = %d\n", ret);
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return ret;
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}
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ret = gpio_request_by_name(dev, "enable-gpios", 0,
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&priv->enable_gpio, GPIOD_IS_OUT);
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if (ret) {
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log_err("could not decode enable-gpios (%d)\n", ret);
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return ret;
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}
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ret = gpio_request_by_name(dev, "reset-gpios", 0,
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&priv->reset_gpio, GPIOD_IS_OUT);
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if (ret) {
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log_err("could not decode reser-gpios (%d)\n", ret);
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return ret;
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}
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return 0;
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}
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static int renesas_r69328_probe(struct udevice *dev)
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{
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struct mipi_dsi_panel_plat *plat = dev_get_plat(dev);
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/* fill characteristics of DSI data link */
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plat->lanes = 4;
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plat->format = MIPI_DSI_FMT_RGB888;
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plat->mode_flags = MIPI_DSI_MODE_VIDEO;
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return 0;
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}
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static const struct panel_ops renesas_r69328_ops = {
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.enable_backlight = renesas_r69328_enable_backlight,
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.set_backlight = renesas_r69328_set_backlight,
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.get_display_timing = renesas_r69328_timings,
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};
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static const struct udevice_id renesas_r69328_ids[] = {
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{ .compatible = "jdi,dx12d100vm0eaa" },
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{ }
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};
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U_BOOT_DRIVER(renesas_r69328) = {
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.name = "renesas_r69328",
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.id = UCLASS_PANEL,
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.of_match = renesas_r69328_ids,
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.ops = &renesas_r69328_ops,
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.of_to_plat = renesas_r69328_of_to_plat,
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.probe = renesas_r69328_probe,
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.plat_auto = sizeof(struct mipi_dsi_panel_plat),
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.priv_auto = sizeof(struct renesas_r69328_priv),
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};
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