BOE TH101MB31IG002-28A is a MIPI-DSI panel used in the Pine64 PineTab2.
Signed-off-by: Dang Huynh danct12@riseup.net --- drivers/video/Kconfig | 10 ++ drivers/video/Makefile | 1 + drivers/video/boe-th101mb31ig002-28a.c | 231 +++++++++++++++++++++++++++++++++ 3 files changed, 242 insertions(+)
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 3c3cebaacd02b847e2817d465123b088edfc70c0..bb76df7b7d5ef426b018f37160f4d0863f087f57 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -531,6 +531,16 @@ config VIDEO_BCM2835 that same resolution (or as near as possible) and 32bpp depth, so that U-Boot can access it with full colour depth.
+config VIDEO_LCD_BOE_TH101MB31IG002_28A + bool "BOE TH101MB31IG002-28A DSI LCD panel support" + depends on PANEL && BACKLIGHT + select VIDEO_MIPI_DSI + help + Say Y here if you want to enable support for BOE TH101MB31IG002-28A + panel. + + This panel has a 800x1280 resolution and uses 24 bit RGB per pixel. + config VIDEO_LCD_ENDEAVORU tristate "Endeavoru 720x1280 DSI video mode panel" depends on PANEL && BACKLIGHT diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 5a00438ce0648effdcade42ee255f037c65b00d3..d41e3ad5750fc0de4451d7c0be0e9fc7074ce532 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -55,6 +55,7 @@ obj-$(CONFIG_VIDEO_EFI) += efi.o obj-$(CONFIG_VIDEO_IPUV3) += imx/ obj-$(CONFIG_VIDEO_IVYBRIDGE_IGD) += ivybridge_igd.o obj-$(CONFIG_VIDEO_LCD_ANX9804) += anx9804.o +obj-$(CONFIG_VIDEO_LCD_BOE_TH101MB31IG002_28A) += boe-th101mb31ig002-28a.o obj-$(CONFIG_VIDEO_LCD_ENDEAVORU) += endeavoru-panel.o obj-$(CONFIG_VIDEO_LCD_HIMAX_HX8394) += himax-hx8394.o obj-$(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM) += hitachi_tx18d42vm_lcd.o diff --git a/drivers/video/boe-th101mb31ig002-28a.c b/drivers/video/boe-th101mb31ig002-28a.c new file mode 100644 index 0000000000000000000000000000000000000000..6182ac2f5fba0176cf28a662384e6e3a7b709e10 --- /dev/null +++ b/drivers/video/boe-th101mb31ig002-28a.c @@ -0,0 +1,231 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2023 Alexander Warnecke awarnecke002@hotmail.com + * Copyright (c) 2023 Manuel Traut manut@mecka.net + * Copyright (c) 2023 Dang Huynh danct12@riseup.net + */ + +#include <backlight.h> +#include <dm.h> +#include <mipi_dsi.h> +#include <panel.h> +#include <asm/gpio.h> +#include <dm/device_compat.h> +#include <linux/delay.h> +#include <power/regulator.h> + +struct th101mb31ig002_28a_panel_priv { + struct udevice *backlight; + struct udevice *reg_power; + struct gpio_desc enable; + struct gpio_desc reset; +}; + +static const struct display_timing boe_th101mb31ig002_default_timing = { + .pixelclock.typ = 73500000, + .hactive.typ = 800, + .hfront_porch.typ = 64, + .hback_porch.typ = 64, + .hsync_len.typ = 16, + .vactive.typ = 1280, + .vfront_porch.typ = 2, + .vback_porch.typ = 12, + .vsync_len.typ = 4, +}; + +#define dsi_dcs_write_seq(device, seq...) do { \ + static const u8 d[] = { seq }; \ + int ret; \ + ret = mipi_dsi_dcs_write_buffer(device, d, ARRAY_SIZE(d)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +static int th101mb31ig002_28a_init_sequence(struct udevice *dev) +{ + struct mipi_dsi_panel_plat *plat = dev_get_plat(dev); + struct mipi_dsi_device *device = plat->device; + int ret; + + dsi_dcs_write_seq(device, 0xE0, 0xAB, 0xBA); + dsi_dcs_write_seq(device, 0xE1, 0xBA, 0xAB); + dsi_dcs_write_seq(device, 0xB1, 0x10, 0x01, 0x47, 0xFF); + dsi_dcs_write_seq(device, 0xB2, 0x0C, 0x14, 0x04, 0x50, 0x50, 0x14); + dsi_dcs_write_seq(device, 0xB3, 0x56, 0x53, 0x00); + dsi_dcs_write_seq(device, 0xB4, 0x33, 0x30, 0x04); + dsi_dcs_write_seq(device, 0xB6, 0xB0, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00); + dsi_dcs_write_seq(device, 0xB8, 0x05, 0x12, 0x29, 0x49, 0x48, 0x00, 0x00); + dsi_dcs_write_seq(device, 0xB9, 0x7C, 0x65, 0x55, 0x49, 0x46, 0x36, 0x3B, 0x24, 0x3D, + 0x3C, 0x3D, 0x5C, 0x4C, 0x55, 0x47, 0x46, 0x39, 0x26, 0x06, 0x7C, 0x65, + 0x55, 0x49, 0x46, 0x36, 0x3B, 0x24, 0x3D, 0x3C, 0x3D, 0x5C, 0x4C, 0x55, + 0x47, 0x46, 0x39, 0x26, 0x06); + dsi_dcs_write_seq(device, 0xC0, 0xFF, 0x87, 0x12, 0x34, 0x44, 0x44, 0x44, + 0x44, 0x98, 0x04, 0x98, 0x04, 0x0F, 0x00, 0x00, 0xC1); + dsi_dcs_write_seq(device, 0xC1, 0x54, 0x94, 0x02, 0x85, 0x9F, 0x00, 0x7F, 0x00, 0x54, + 0x00); + dsi_dcs_write_seq(device, 0xC2, 0x17, 0x09, 0x08, 0x89, 0x08, 0x11, 0x22, 0x20, 0x44, + 0xFF, 0x18, 0x00); + dsi_dcs_write_seq(device, 0xC3, 0x86, 0x46, 0x05, 0x05, 0x1C, 0x1C, 0x1D, 0x1D, 0x02, + 0x1F, 0x1F, 0x1E, 0x1E, 0x0F, 0x0F, 0x0D, 0x0D, 0x13, 0x13, 0x11, 0x11, + 0x00); + dsi_dcs_write_seq(device, 0xC4, 0x07, 0x07, 0x04, 0x04, 0x1C, 0x1C, 0x1D, 0x1D, 0x02, + 0x1F, 0x1F, 0x1E, 0x1E, 0x0E, 0x0E, 0x0C, 0x0C, 0x12, 0x12, 0x10, 0x10, + 0x00); + dsi_dcs_write_seq(device, 0xC6, 0x2A, 0x2A); + dsi_dcs_write_seq(device, 0xC8, 0x21, 0x00, 0x31, 0x42, 0x34, 0x16); + dsi_dcs_write_seq(device, 0xCA, 0xCB, 0x43); + dsi_dcs_write_seq(device, 0xCD, 0x0E, 0x4B, 0x4B, 0x20, 0x19, 0x6B, 0x06, 0xB3); + dsi_dcs_write_seq(device, 0xD2, 0xE3, 0x2B, 0x38, 0x00); + dsi_dcs_write_seq(device, 0xD4, 0x00, 0x01, 0x00, 0x0E, 0x04, 0x44, 0x08, 0x10, 0x00, + 0x00, 0x00); + dsi_dcs_write_seq(device, 0xE6, 0x80, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF); + dsi_dcs_write_seq(device, 0xF0, 0x12, 0x03, 0x20, 0x00, 0xFF); + dsi_dcs_write_seq(device, 0xF3, 0x00); + + ret = mipi_dsi_dcs_exit_sleep_mode(device); + if (ret) + return ret; + + mdelay(120); + + ret = mipi_dsi_dcs_set_display_on(device); + if (ret) + return ret; + + return 0; +} + +static int th101mb31ig002_28a_panel_enable_backlight(struct udevice *dev) +{ + struct mipi_dsi_panel_plat *plat = dev_get_plat(dev); + struct mipi_dsi_device *device = plat->device; + struct th101mb31ig002_28a_panel_priv *priv = dev_get_priv(dev); + int ret; + + ret = mipi_dsi_attach(device); + if (ret < 0) { + printf("mipi_dsi_attach failed %d\n", ret); + return ret; + } + + ret = th101mb31ig002_28a_init_sequence(dev); + if (ret) { + printf("hx8394_init_sequence failed %d\n", ret); + return ret; + } + + if (priv->backlight) { + ret = backlight_enable(priv->backlight); + if (ret) { + printf("backlight enabled failed %d\n", ret); + return ret; + } + + backlight_set_brightness(priv->backlight, 60); + } + + mdelay(10); + + return 0; +} + +static int th101mb31ig002_28a_panel_get_display_timing(struct udevice *dev, + struct display_timing *timings) +{ + memcpy(timings, &boe_th101mb31ig002_default_timing, sizeof(*timings)); + + return 0; +} + +static int th101mb31ig002_28a_panel_of_to_plat(struct udevice *dev) +{ + struct th101mb31ig002_28a_panel_priv *priv = dev_get_priv(dev); + int ret; + + if (CONFIG_IS_ENABLED(DM_REGULATOR)) { + ret = device_get_supply_regulator(dev, "power-supply", + &priv->reg_power); + if (ret && ret != -ENOENT) { + dev_err(dev, "Warning: cannot get power supply\n"); + return ret; + } + } + + ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev, + "backlight", &priv->backlight); + if (ret) + dev_warn(dev, "failed to get backlight\n"); + + ret = gpio_request_by_name(dev, "enable-gpios", 0, &priv->enable, + GPIOD_IS_OUT); + if (ret) { + dev_err(dev, "Failed to get enable GPIO (%d)\n", ret); + if (ret != -ENOENT) + return ret; + } + + ret = gpio_request_by_name(dev, "reset-gpios", 0, &priv->reset, + GPIOD_IS_OUT); + if (ret) { + dev_err(dev, "Failed to get reset GPIO (%d)\n", ret); + if (ret != -ENOENT) + return ret; + } + + return 0; +} + +static int th101mb31ig002_28a_panel_probe(struct udevice *dev) +{ + struct th101mb31ig002_28a_panel_priv *priv = dev_get_priv(dev); + struct mipi_dsi_panel_plat *plat = dev_get_plat(dev); + int ret; + + if (CONFIG_IS_ENABLED(DM_REGULATOR) && priv->reg_power) { + ret = regulator_set_enable(priv->reg_power, true); + if (ret) + return ret; + } + + /* enable panel */ + dm_gpio_set_value(&priv->enable, 1); + mdelay(50); + + /* reset panel */ + dm_gpio_set_value(&priv->reset, 0); + udelay(100); + dm_gpio_set_value(&priv->reset, 1); + udelay(100); + dm_gpio_set_value(&priv->reset, 0); + mdelay(6); + + plat->lanes = 4; + plat->format = MIPI_DSI_FMT_RGB888; + plat->mode_flags = MIPI_DSI_MODE_VIDEO | + MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_EOT_PACKET | + MIPI_DSI_MODE_LPM; + + return 0; +} + +static const struct panel_ops th101mb31ig002_28a_panel_ops = { + .enable_backlight = th101mb31ig002_28a_panel_enable_backlight, + .get_display_timing = th101mb31ig002_28a_panel_get_display_timing, +}; + +static const struct udevice_id th101mb31ig002_28a_ids[] = { + { .compatible = "boe,th101mb31ig002-28a", }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(th101mb31ig002_28a_panel) = { + .name = "th101mb31ig002_28a_panel", + .id = UCLASS_PANEL, + .of_match = th101mb31ig002_28a_ids, + .ops = &th101mb31ig002_28a_panel_ops, + .of_to_plat = th101mb31ig002_28a_panel_of_to_plat, + .probe = th101mb31ig002_28a_panel_probe, + .plat_auto = sizeof(struct mipi_dsi_panel_plat), + .priv_auto = sizeof(struct th101mb31ig002_28a_panel_priv), +};