Hitachi TX10D07VM0BAA is a color active matrix TFT (Thin Film Transistor)
liquid crystal display (LCD). The resolution of a 4" contains 480 x 800
pixels.

Tested-by: Ion Agorria <i...@agorria.com>
Signed-off-by: Svyatoslav Ryhel <clamo...@gmail.com>
---
 drivers/video/Kconfig                 |   8 +
 drivers/video/Makefile                |   1 +
 drivers/video/hitachi-tx10d07vm0baa.c | 304 ++++++++++++++++++++++++++
 3 files changed, 313 insertions(+)
 create mode 100644 drivers/video/hitachi-tx10d07vm0baa.c

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 73353944971..c2f6a72af42 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -641,6 +641,14 @@ config VIDEO_LCD_TDO_TL070WSH30
        Say Y here if you want to enable support for TDO TL070WSH30
        1024x600 DSI video mode panel.
 
+config VIDEO_LCD_HITACHI_TX10D07VM0BAA
+       tristate "Hitachi TX10D07VM0BAA 480x800 MIPI DSI video mode panel"
+       depends on PANEL && BACKLIGHT
+       select VIDEO_MIPI_DSI
+       help
+         Say Y here if you want to enable support for Hitachi TX10D07VM0BAA
+         TFT-LCD module. The panel has a 480x800 resolution.
+
 config VIDEO_LCD_HITACHI_TX18D42VM
        bool "Hitachi tx18d42vm LVDS LCD panel support"
        ---help---
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index fbdb058647a..914ae885b70 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -58,6 +58,7 @@ obj-$(CONFIG_VIDEO_IVYBRIDGE_IGD) += ivybridge_igd.o
 obj-$(CONFIG_VIDEO_LCD_ANX9804) += anx9804.o
 obj-$(CONFIG_VIDEO_LCD_ENDEAVORU) += endeavoru-panel.o
 obj-$(CONFIG_VIDEO_LCD_HIMAX_HX8394) += himax-hx8394.o
+obj-$(CONFIG_VIDEO_LCD_HITACHI_TX10D07VM0BAA) += hitachi-tx10d07vm0baa.o
 obj-$(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM) += hitachi_tx18d42vm_lcd.o
 obj-$(CONFIG_VIDEO_LCD_LG_LD070WX3) += lg-ld070wx3.o
 obj-$(CONFIG_VIDEO_LCD_MOT) += mot-panel.o
diff --git a/drivers/video/hitachi-tx10d07vm0baa.c 
b/drivers/video/hitachi-tx10d07vm0baa.c
new file mode 100644
index 00000000000..95b2f7bfc41
--- /dev/null
+++ b/drivers/video/hitachi-tx10d07vm0baa.c
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Hitachi TX10D07VM0BAA DSI panel driver
+ *
+ * Copyright (c) 2024 Svyatoslav Ryhel <clamo...@gmail.com>
+ */
+
+#include <backlight.h>
+#include <dm.h>
+#include <panel.h>
+#include <log.h>
+#include <mipi_dsi.h>
+#include <linux/delay.h>
+#include <power/regulator.h>
+#include <asm/gpio.h>
+
+struct hitachi_tx10d07vm0baa_priv {
+       struct udevice *avci;
+       struct udevice *iovcc;
+
+       struct udevice *backlight;
+
+       struct gpio_desc reset_gpio;
+};
+
+static struct display_timing default_timing = {
+       .pixelclock.typ         = 29816000,
+       .hactive.typ            = 480,
+       .hfront_porch.typ       = 10,
+       .hback_porch.typ        = 10,
+       .hsync_len.typ          = 10,
+       .vactive.typ            = 800,
+       .vfront_porch.typ       = 4,
+       .vback_porch.typ        = 4,
+       .vsync_len.typ          = 4,
+};
+
+#define dsi_generic_write_seq(dsi, cmd, seq...) do {                   \
+               static const u8 b[] = { cmd, seq };                     \
+               int ret;                                                \
+               ret = mipi_dsi_dcs_write_buffer(dsi, b, ARRAY_SIZE(b)); \
+               if (ret < 0)                                            \
+                       return ret;                                     \
+       } while (0)
+
+static int hitachi_tx10d07vm0baa_enable_backlight(struct udevice *dev)
+{
+       struct mipi_dsi_panel_plat *plat = dev_get_plat(dev);
+       struct mipi_dsi_device *dsi = plat->device;
+       int ret;
+
+       dsi_generic_write_seq(dsi, MIPI_DCS_SET_PARTIAL_AREA, 0x00,
+                             0x00, 0x03, 0x1f);
+       dsi_generic_write_seq(dsi, MIPI_DCS_SET_SCROLL_AREA, 0x00,
+                             0x00, 0x03, 0x20, 0x00, 0x00);
+
+       dsi_generic_write_seq(dsi, MIPI_DCS_SET_ADDRESS_MODE, 0x0a);
+       dsi_generic_write_seq(dsi, MIPI_DCS_SET_SCROLL_START, 0x00,
+                             0x00);
+
+       ret = mipi_dsi_dcs_set_pixel_format(dsi, MIPI_DCS_PIXEL_FMT_24BIT);
+       if (ret) {
+               log_debug("%s: failed to set pixel format: %d\n", __func__, 
ret);
+               return ret;
+       }
+
+       ret = mipi_dsi_dcs_set_tear_scanline(dsi, 0x00);
+       if (ret) {
+               log_debug("%s: failed to set tear scanline: %d\n", __func__, 
ret);
+               return ret;
+       }
+
+       dsi_generic_write_seq(dsi, 0x71, 0x00);         /* Ex_Vsync_en */
+
+       dsi_generic_write_seq(dsi, 0xb2, 0x00);         /* VCSEL */
+       dsi_generic_write_seq(dsi, 0xb4, 0xaa);         /* setvgmpm */
+       dsi_generic_write_seq(dsi, 0xb5, 0x33);         /* rbias1 */
+       dsi_generic_write_seq(dsi, 0xb6, 0x03);         /* rbias2 */
+
+       dsi_generic_write_seq(dsi, 0xb7, 0x1a, 0x33, 0x03, 0x03,
+                             0x03, 0x00, 0x00, 0x01, 0x02, 0x00,
+                             0x00, 0x04, 0x00, 0x01, 0x01, 0x01);      /* 
set_ddvdhp */
+       dsi_generic_write_seq(dsi, 0xb8, 0x1c, 0x53, 0x03, 0x03,
+                             0x00, 0x01, 0x02, 0x00, 0x00, 0x04,
+                             0x00, 0x01, 0x01);                        /* 
set_ddvdhm */
+
+       dsi_generic_write_seq(dsi, 0xb9, 0x0a, 0x01, 0x01, 0x00,
+                             0x00, 0x00, 0x02, 0x00, 0x02, 0x01);      /* 
set_vgh */
+       dsi_generic_write_seq(dsi, 0xba, 0x0f, 0x01, 0x01, 0x00,
+                             0x00, 0x00, 0x02, 0x00, 0x02, 0x01);      /* 
set_vgl */
+       dsi_generic_write_seq(dsi, 0xbb, 0x00, 0x00, 0x00, 0x00,
+                             0x01, 0x02, 0x01);                        /* 
set_vcl */
+
+       dsi_generic_write_seq(dsi, 0xc1, 0x01);         /* number of lines */
+       dsi_generic_write_seq(dsi, 0xc2, 0x08);         /* number of fp lines */
+       dsi_generic_write_seq(dsi, 0xc3, 0x04);         /* gateset(1) */
+       dsi_generic_write_seq(dsi, 0xc4, 0x4c);         /* 1h period */
+       dsi_generic_write_seq(dsi, 0xc5, 0x03);         /* source precharge */
+       dsi_generic_write_seq(dsi, 0xc6, 0xc4, 0x04);   /* source precharge 
timing */
+       dsi_generic_write_seq(dsi, 0xc7, 0x00);         /* source level */
+       dsi_generic_write_seq(dsi, 0xc8, 0x02);         /* number of bp lines */
+       dsi_generic_write_seq(dsi, 0xc9, 0x10);         /* gateset(2) */
+       dsi_generic_write_seq(dsi, 0xca, 0x04, 0x04);   /* gateset(3) */
+       dsi_generic_write_seq(dsi, 0xcb, 0x03);         /* gateset(4) */
+       dsi_generic_write_seq(dsi, 0xcc, 0x12);         /* gateset(5) */
+       dsi_generic_write_seq(dsi, 0xcd, 0x12);         /* gateset(6) */
+       dsi_generic_write_seq(dsi, 0xce, 0x30);         /* gateset(7) */
+       dsi_generic_write_seq(dsi, 0xcf, 0x30);         /* gateset(8) */
+       dsi_generic_write_seq(dsi, 0xd0, 0x40);         /* gateset(9) */
+       dsi_generic_write_seq(dsi, 0xd1, 0x22);         /* flhw */
+       dsi_generic_write_seq(dsi, 0xd2, 0x22);         /* vckhw */
+       dsi_generic_write_seq(dsi, 0xd3, 0x04);         /* flt */
+       dsi_generic_write_seq(dsi, 0xd4, 0x14);         /* tctrl */
+       dsi_generic_write_seq(dsi, 0xd6, 0x02);         /* dotinv */
+       dsi_generic_write_seq(dsi, 0xd7, 0x00);         /* on/off sequence 
period */
+
+       dsi_generic_write_seq(dsi, 0xd8, 0x01, 0x05, 0x06, 0x0d,
+                             0x18, 0x09, 0x22, 0x23, 0x00);            /* 
ponseqa */
+       dsi_generic_write_seq(dsi, 0xd9, 0x24, 0x01);                   /* 
ponseqb */
+       dsi_generic_write_seq(dsi, 0xde, 0x09, 0x0f, 0x21, 0x12,
+                             0x04);                                    /* 
ponseqc */
+
+       dsi_generic_write_seq(dsi, 0xdf, 0x02, 0x06, 0x06, 0x06,
+                             0x06, 0x00);                              /* 
pofseqa */
+       dsi_generic_write_seq(dsi, 0xe0, 0x01);                         /* 
pofseqb */
+
+       ret = mipi_dsi_dcs_set_display_brightness(dsi, 0xff);
+       if (ret) {
+               log_debug("%s: failed to set display brightness: %d\n", 
__func__, ret);
+               return ret;
+       }
+
+       dsi_generic_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x40);
+
+       dsi_generic_write_seq(dsi, 0xe2, 0x00, 0x00);           /* cabc pwm */
+       dsi_generic_write_seq(dsi, 0xe3, 0x03);                 /* cabc */
+       dsi_generic_write_seq(dsi, 0xe4, 0x66, 0x7b, 0x90, 0xa5,
+                             0xbb, 0xc7, 0xe1, 0xe5);          /* cabc 
brightness */
+       dsi_generic_write_seq(dsi, 0xe5, 0xc5, 0xc5, 0xc9, 0xc9,
+                             0xd1, 0xe1, 0xf1, 0xfe);          /* cabc 
brightness */
+       dsi_generic_write_seq(dsi, 0xe7, 0x2a);                 /* cabc */
+       dsi_generic_write_seq(dsi, 0xe8, 0x00);                 /* brt_rev */
+       dsi_generic_write_seq(dsi, 0xe9, 0x00);                 /* tefreq */
+
+       dsi_generic_write_seq(dsi, 0xea, 0x01);                 /* high speed 
ram */
+
+       dsi_generic_write_seq(dsi, 0xeb, 0x00, 0x33, 0x0e, 0x15,
+                             0xb7, 0x78, 0x88, 0x0f);          /* gamma 
setting r pos */
+       dsi_generic_write_seq(dsi, 0xec, 0x00, 0x33, 0x0e, 0x15,
+                             0xb7, 0x78, 0x88, 0x0f);          /* gamma 
setting r neg */
+       dsi_generic_write_seq(dsi, 0xed, 0x00, 0x33, 0x0e, 0x15,
+                             0xb7, 0x78, 0x88, 0x0f);          /* gamma 
setting g pos */
+       dsi_generic_write_seq(dsi, 0xee, 0x00, 0x33, 0x0e, 0x15,
+                             0xb7, 0x78, 0x88, 0x0f);          /* gamma 
setting g neg */
+       dsi_generic_write_seq(dsi, 0xef, 0x00, 0x33, 0x0e, 0x15,
+                             0xb7, 0x78, 0x88, 0x0f);          /* gamma 
setting b pos */
+       dsi_generic_write_seq(dsi, 0xf0, 0x00, 0x33, 0x0e, 0x15,
+                             0xb7, 0x78, 0x88, 0x0f);          /* gamma 
setting b neg */
+
+       ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
+       if (ret) {
+               log_debug("%s: failed to exit sleep mode: %d\n", __func__, ret);
+               return ret;
+       }
+
+       mdelay(110);
+
+       ret = mipi_dsi_dcs_set_display_on(dsi);
+       if (ret) {
+               log_debug("%s: failed to set display on: %d\n", __func__, ret);
+               return ret;
+       }
+
+       return 0;
+}
+
+static int hitachi_tx10d07vm0baa_set_backlight(struct udevice *dev, int 
percent)
+{
+       struct hitachi_tx10d07vm0baa_priv *priv = dev_get_priv(dev);
+       int ret;
+
+       ret = backlight_enable(priv->backlight);
+       if (ret)
+               return ret;
+
+       return backlight_set_brightness(priv->backlight, percent);
+}
+
+static int hitachi_tx10d07vm0baa_timings(struct udevice *dev,
+                                        struct display_timing *timing)
+{
+       memcpy(timing, &default_timing, sizeof(*timing));
+       return 0;
+}
+
+static int hitachi_tx10d07vm0baa_of_to_plat(struct udevice *dev)
+{
+       struct hitachi_tx10d07vm0baa_priv *priv = dev_get_priv(dev);
+       int ret;
+
+       ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev,
+                                          "backlight", &priv->backlight);
+       if (ret) {
+               log_debug("%s: cannot get backlight: ret = %d\n",
+                         __func__, ret);
+               return ret;
+       }
+
+       ret = device_get_supply_regulator(dev, "avci-supply", &priv->avci);
+       if (ret) {
+               log_debug("%s: cannot get avci-supply: ret = %d\n",
+                         __func__, ret);
+               return ret;
+       }
+
+       ret = device_get_supply_regulator(dev, "iovcc-supply", &priv->iovcc);
+       if (ret) {
+               log_debug("%s: cannot get iovcc-supply: ret = %d\n",
+                         __func__, ret);
+               return ret;
+       }
+
+       ret = gpio_request_by_name(dev, "reset-gpios", 0,
+                                  &priv->reset_gpio, GPIOD_IS_OUT);
+       if (ret) {
+               log_debug("%s: cannot decode reset-gpios (%d)\n",
+                         __func__, ret);
+               return ret;
+       }
+
+       return 0;
+}
+
+static int hitachi_tx10d07vm0baa_hw_init(struct udevice *dev)
+{
+       struct hitachi_tx10d07vm0baa_priv *priv = dev_get_priv(dev);
+       int ret;
+
+       ret = dm_gpio_set_value(&priv->reset_gpio, 1);
+       if (ret) {
+               log_debug("%s: error entering reset (%d)\n", __func__, ret);
+               return ret;
+       }
+
+       ret = regulator_set_enable_if_allowed(priv->iovcc, 1);
+       if (ret) {
+               log_debug("%s: enabling iovcc-supply failed (%d)\n",
+                         __func__, ret);
+               return ret;
+       }
+
+       ret = regulator_set_enable_if_allowed(priv->avci, 1);
+       if (ret) {
+               log_debug("%s: enabling avci-supply failed (%d)\n",
+                         __func__, ret);
+               return ret;
+       }
+
+       mdelay(25);
+
+       ret = dm_gpio_set_value(&priv->reset_gpio, 0);
+       if (ret) {
+               log_debug("%s: error exiting reset (%d)\n", __func__, ret);
+               return ret;
+       }
+
+       mdelay(5);
+
+       return 0;
+}
+
+static int hitachi_tx10d07vm0baa_probe(struct udevice *dev)
+{
+       struct mipi_dsi_panel_plat *plat = dev_get_plat(dev);
+
+       /* fill characteristics of DSI data link */
+       plat->lanes = 2;
+       plat->format = MIPI_DSI_FMT_RGB888;
+       plat->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM;
+
+       return hitachi_tx10d07vm0baa_hw_init(dev);
+}
+
+static const struct panel_ops hitachi_tx10d07vm0baa_ops = {
+       .enable_backlight       = hitachi_tx10d07vm0baa_enable_backlight,
+       .set_backlight          = hitachi_tx10d07vm0baa_set_backlight,
+       .get_display_timing     = hitachi_tx10d07vm0baa_timings,
+};
+
+static const struct udevice_id hitachi_tx10d07vm0baa_ids[] = {
+       { .compatible = "hit,tx10d07vm0baa" },
+       { }
+};
+
+U_BOOT_DRIVER(hitachi_tx10d07vm0baa) = {
+       .name           = "hitachi_tx10d07vm0baa",
+       .id             = UCLASS_PANEL,
+       .of_match       = hitachi_tx10d07vm0baa_ids,
+       .ops            = &hitachi_tx10d07vm0baa_ops,
+       .of_to_plat     = hitachi_tx10d07vm0baa_of_to_plat,
+       .probe          = hitachi_tx10d07vm0baa_probe,
+       .plat_auto      = sizeof(struct mipi_dsi_panel_plat),
+       .priv_auto      = sizeof(struct hitachi_tx10d07vm0baa_priv),
+};
-- 
2.43.0

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