Add driver for BOE tv101wum-nl6 panel is a 10.1" 1200x1920 panel.

Signed-off-by: Jitao Shi <jitao....@mediatek.com>
---
 drivers/gpu/drm/panel/Kconfig                 |   9 +
 drivers/gpu/drm/panel/Makefile                |   1 +
 .../gpu/drm/panel/panel-boe-tv101wum-nl6.c    | 693 ++++++++++++++++++
 3 files changed, 703 insertions(+)
 create mode 100644 drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c

diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index ae44ac2ec106..ca727c233a9a 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -29,6 +29,15 @@ config DRM_PANEL_BOE_HIMAX8279D
          24 bit RGB per pixel. It provides a MIPI DSI interface to
          the host and has a built-in LED backlight.
 
+config DRM_PANEL_BOE_TV101WUM_NL6
+       tristate "BOE TV101WUM 1200x1920 panel"
+       depends on OF
+       depends on DRM_MIPI_DSI
+       depends on BACKLIGHT_CLASS_DEVICE
+       help
+         Say Y here if you want to support for BOE TV101WUM WUXGA PANEL
+         DSI Video Mode panel
+
 config DRM_PANEL_LVDS
        tristate "Generic LVDS panel driver"
        depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 7c4d3c581fd4..a659ce403d0e 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o
 obj-$(CONFIG_DRM_PANEL_BOE_HIMAX8279D) += panel-boe-himax8279d.o
+obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o
 obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o
 obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
 obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += 
panel-feiyang-fy07024di26a30d.o
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c 
b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
new file mode 100644
index 000000000000..51fde588adc1
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
@@ -0,0 +1,693 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Jitao Shi <jitao....@mediatek.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drm_crtc.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_panel.h>
+
+#include <video/mipi_display.h>
+
+struct panel_desc {
+       const struct drm_display_mode *modes;
+       unsigned int bpc;
+
+       /**
+        * @width_mm: width of the panel's active display area
+        * @height_mm: height of the panel's active display area
+        */
+       struct {
+               unsigned int width_mm;
+               unsigned int height_mm;
+       } size;
+
+       unsigned long mode_flags;
+       enum mipi_dsi_pixel_format format;
+       const struct panel_init_cmd *init_cmds;
+       unsigned int lanes;
+};
+
+struct boe_panel {
+       struct drm_panel base;
+       struct mipi_dsi_device *dsi;
+
+       const struct panel_desc *desc;
+
+       struct regulator *pp1800;
+       struct regulator *avee;
+       struct regulator *avdd;
+       struct gpio_desc *enable_gpio;
+
+       bool prepared;
+};
+
+enum dsi_cmd_type {
+       INIT_DCS_CMD,
+       DELAY_CMD,
+};
+
+struct panel_init_cmd {
+       enum dsi_cmd_type type;
+       size_t len;
+       const char *data;
+};
+
+#define _INIT_DCS_CMD(...) { \
+       .type = INIT_DCS_CMD, \
+       .len = sizeof((char[]){__VA_ARGS__}), \
+       .data = (char[]){__VA_ARGS__} }
+
+#define _INIT_DELAY_CMD(...) { \
+       .type = DELAY_CMD,\
+       .len = sizeof((char[]){__VA_ARGS__}), \
+       .data = (char[]){__VA_ARGS__} }
+
+static const struct panel_init_cmd boe_init_cmd[] = {
+       _INIT_DELAY_CMD(24),
+       _INIT_DCS_CMD(0xB0, 0x05),
+       _INIT_DCS_CMD(0xB1, 0xE5),
+       _INIT_DCS_CMD(0xB3, 0x52),
+       _INIT_DCS_CMD(0xB0, 0x00),
+       _INIT_DCS_CMD(0xB3, 0x88),
+       _INIT_DCS_CMD(0xB0, 0x04),
+       _INIT_DCS_CMD(0xB8, 0x00),
+       _INIT_DCS_CMD(0xB0, 0x00),
+       _INIT_DCS_CMD(0xB6, 0x03),
+       _INIT_DCS_CMD(0xBA, 0x8B),
+       _INIT_DCS_CMD(0xBF, 0x1A),
+       _INIT_DCS_CMD(0xC0, 0x0F),
+       _INIT_DCS_CMD(0xC2, 0x0C),
+       _INIT_DCS_CMD(0xC3, 0x02),
+       _INIT_DCS_CMD(0xC4, 0x0C),
+       _INIT_DCS_CMD(0xC5, 0x02),
+       _INIT_DCS_CMD(0xB0, 0x01),
+       _INIT_DCS_CMD(0xE0, 0x26),
+       _INIT_DCS_CMD(0xE1, 0x26),
+       _INIT_DCS_CMD(0xDC, 0x00),
+       _INIT_DCS_CMD(0xDD, 0x00),
+       _INIT_DCS_CMD(0xCC, 0x26),
+       _INIT_DCS_CMD(0xCD, 0x26),
+       _INIT_DCS_CMD(0xC8, 0x00),
+       _INIT_DCS_CMD(0xC9, 0x00),
+       _INIT_DCS_CMD(0xD2, 0x03),
+       _INIT_DCS_CMD(0xD3, 0x03),
+       _INIT_DCS_CMD(0xE6, 0x04),
+       _INIT_DCS_CMD(0xE7, 0x04),
+       _INIT_DCS_CMD(0xC4, 0x09),
+       _INIT_DCS_CMD(0xC5, 0x09),
+       _INIT_DCS_CMD(0xD8, 0x0A),
+       _INIT_DCS_CMD(0xD9, 0x0A),
+       _INIT_DCS_CMD(0xC2, 0x0B),
+       _INIT_DCS_CMD(0xC3, 0x0B),
+       _INIT_DCS_CMD(0xD6, 0x0C),
+       _INIT_DCS_CMD(0xD7, 0x0C),
+       _INIT_DCS_CMD(0xC0, 0x05),
+       _INIT_DCS_CMD(0xC1, 0x05),
+       _INIT_DCS_CMD(0xD4, 0x06),
+       _INIT_DCS_CMD(0xD5, 0x06),
+       _INIT_DCS_CMD(0xCA, 0x07),
+       _INIT_DCS_CMD(0xCB, 0x07),
+       _INIT_DCS_CMD(0xDE, 0x08),
+       _INIT_DCS_CMD(0xDF, 0x08),
+       _INIT_DCS_CMD(0xB0, 0x02),
+       _INIT_DCS_CMD(0xC0, 0x00),
+       _INIT_DCS_CMD(0xC1, 0x0D),
+       _INIT_DCS_CMD(0xC2, 0x17),
+       _INIT_DCS_CMD(0xC3, 0x26),
+       _INIT_DCS_CMD(0xC4, 0x31),
+       _INIT_DCS_CMD(0xC5, 0x1C),
+       _INIT_DCS_CMD(0xC6, 0x2C),
+       _INIT_DCS_CMD(0xC7, 0x33),
+       _INIT_DCS_CMD(0xC8, 0x31),
+       _INIT_DCS_CMD(0xC9, 0x37),
+       _INIT_DCS_CMD(0xCA, 0x37),
+       _INIT_DCS_CMD(0xCB, 0x37),
+       _INIT_DCS_CMD(0xCC, 0x39),
+       _INIT_DCS_CMD(0xCD, 0x2E),
+       _INIT_DCS_CMD(0xCE, 0x2F),
+       _INIT_DCS_CMD(0xCF, 0x2F),
+       _INIT_DCS_CMD(0xD0, 0x07),
+       _INIT_DCS_CMD(0xD2, 0x00),
+       _INIT_DCS_CMD(0xD3, 0x0D),
+       _INIT_DCS_CMD(0xD4, 0x17),
+       _INIT_DCS_CMD(0xD5, 0x26),
+       _INIT_DCS_CMD(0xD6, 0x31),
+       _INIT_DCS_CMD(0xD7, 0x3F),
+       _INIT_DCS_CMD(0xD8, 0x3F),
+       _INIT_DCS_CMD(0xD9, 0x3F),
+       _INIT_DCS_CMD(0xDA, 0x3F),
+       _INIT_DCS_CMD(0xDB, 0x37),
+       _INIT_DCS_CMD(0xDC, 0x37),
+       _INIT_DCS_CMD(0xDD, 0x37),
+       _INIT_DCS_CMD(0xDE, 0x39),
+       _INIT_DCS_CMD(0xDF, 0x2E),
+       _INIT_DCS_CMD(0xE0, 0x2F),
+       _INIT_DCS_CMD(0xE1, 0x2F),
+       _INIT_DCS_CMD(0xE2, 0x07),
+       _INIT_DCS_CMD(0xB0, 0x03),
+       _INIT_DCS_CMD(0xC8, 0x0B),
+       _INIT_DCS_CMD(0xC9, 0x07),
+       _INIT_DCS_CMD(0xC3, 0x00),
+       _INIT_DCS_CMD(0xE7, 0x00),
+       _INIT_DCS_CMD(0xC5, 0x2A),
+       _INIT_DCS_CMD(0xDE, 0x2A),
+       _INIT_DCS_CMD(0xCA, 0x43),
+       _INIT_DCS_CMD(0xC9, 0x07),
+       _INIT_DCS_CMD(0xE4, 0xC0),
+       _INIT_DCS_CMD(0xE5, 0x0D),
+       _INIT_DCS_CMD(0xCB, 0x00),
+       _INIT_DCS_CMD(0xB0, 0x06),
+       _INIT_DCS_CMD(0xB8, 0xA5),
+       _INIT_DCS_CMD(0xC0, 0xA5),
+       _INIT_DCS_CMD(0xC7, 0x0F),
+       _INIT_DCS_CMD(0xD5, 0x32),
+       _INIT_DCS_CMD(0xB8, 0x00),
+       _INIT_DCS_CMD(0xC0, 0x00),
+       _INIT_DCS_CMD(0xBC, 0x00),
+       _INIT_DCS_CMD(0xB0, 0x07),
+       _INIT_DCS_CMD(0xB1, 0x00),
+       _INIT_DCS_CMD(0xB2, 0x02),
+       _INIT_DCS_CMD(0xB3, 0x0F),
+       _INIT_DCS_CMD(0xB4, 0x25),
+       _INIT_DCS_CMD(0xB5, 0x39),
+       _INIT_DCS_CMD(0xB6, 0x4E),
+       _INIT_DCS_CMD(0xB7, 0x72),
+       _INIT_DCS_CMD(0xB8, 0x97),
+       _INIT_DCS_CMD(0xB9, 0xDC),
+       _INIT_DCS_CMD(0xBA, 0x22),
+       _INIT_DCS_CMD(0xBB, 0xA4),
+       _INIT_DCS_CMD(0xBC, 0x2B),
+       _INIT_DCS_CMD(0xBD, 0x2F),
+       _INIT_DCS_CMD(0xBE, 0xA9),
+       _INIT_DCS_CMD(0xBF, 0x25),
+       _INIT_DCS_CMD(0xC0, 0x61),
+       _INIT_DCS_CMD(0xC1, 0x97),
+       _INIT_DCS_CMD(0xC2, 0xB2),
+       _INIT_DCS_CMD(0xC3, 0xCD),
+       _INIT_DCS_CMD(0xC4, 0xD9),
+       _INIT_DCS_CMD(0xC5, 0xE7),
+       _INIT_DCS_CMD(0xC6, 0xF4),
+       _INIT_DCS_CMD(0xC7, 0xFA),
+       _INIT_DCS_CMD(0xC8, 0xFC),
+       _INIT_DCS_CMD(0xC9, 0x00),
+       _INIT_DCS_CMD(0xCA, 0x00),
+       _INIT_DCS_CMD(0xCB, 0x16),
+       _INIT_DCS_CMD(0xCC, 0xAF),
+       _INIT_DCS_CMD(0xCD, 0xFF),
+       _INIT_DCS_CMD(0xCE, 0xFF),
+       _INIT_DCS_CMD(0xB0, 0x08),
+       _INIT_DCS_CMD(0xB1, 0x04),
+       _INIT_DCS_CMD(0xB2, 0x05),
+       _INIT_DCS_CMD(0xB3, 0x11),
+       _INIT_DCS_CMD(0xB4, 0x24),
+       _INIT_DCS_CMD(0xB5, 0x39),
+       _INIT_DCS_CMD(0xB6, 0x4F),
+       _INIT_DCS_CMD(0xB7, 0x72),
+       _INIT_DCS_CMD(0xB8, 0x98),
+       _INIT_DCS_CMD(0xB9, 0xDC),
+       _INIT_DCS_CMD(0xBA, 0x23),
+       _INIT_DCS_CMD(0xBB, 0xA6),
+       _INIT_DCS_CMD(0xBC, 0x2C),
+       _INIT_DCS_CMD(0xBD, 0x30),
+       _INIT_DCS_CMD(0xBE, 0xAA),
+       _INIT_DCS_CMD(0xBF, 0x26),
+       _INIT_DCS_CMD(0xC0, 0x62),
+       _INIT_DCS_CMD(0xC1, 0x9B),
+       _INIT_DCS_CMD(0xC2, 0xB5),
+       _INIT_DCS_CMD(0xC3, 0xCF),
+       _INIT_DCS_CMD(0xC4, 0xDB),
+       _INIT_DCS_CMD(0xC5, 0xE8),
+       _INIT_DCS_CMD(0xC6, 0xF5),
+       _INIT_DCS_CMD(0xC7, 0xFA),
+       _INIT_DCS_CMD(0xC8, 0xFC),
+       _INIT_DCS_CMD(0xC9, 0x00),
+       _INIT_DCS_CMD(0xCA, 0x00),
+       _INIT_DCS_CMD(0xCB, 0x16),
+       _INIT_DCS_CMD(0xCC, 0xAF),
+       _INIT_DCS_CMD(0xCD, 0xFF),
+       _INIT_DCS_CMD(0xCE, 0xFF),
+       _INIT_DCS_CMD(0xB0, 0x09),
+       _INIT_DCS_CMD(0xB1, 0x04),
+       _INIT_DCS_CMD(0xB2, 0x02),
+       _INIT_DCS_CMD(0xB3, 0x16),
+       _INIT_DCS_CMD(0xB4, 0x24),
+       _INIT_DCS_CMD(0xB5, 0x3B),
+       _INIT_DCS_CMD(0xB6, 0x4F),
+       _INIT_DCS_CMD(0xB7, 0x73),
+       _INIT_DCS_CMD(0xB8, 0x99),
+       _INIT_DCS_CMD(0xB9, 0xE0),
+       _INIT_DCS_CMD(0xBA, 0x26),
+       _INIT_DCS_CMD(0xBB, 0xAD),
+       _INIT_DCS_CMD(0xBC, 0x36),
+       _INIT_DCS_CMD(0xBD, 0x3A),
+       _INIT_DCS_CMD(0xBE, 0xAE),
+       _INIT_DCS_CMD(0xBF, 0x2A),
+       _INIT_DCS_CMD(0xC0, 0x66),
+       _INIT_DCS_CMD(0xC1, 0x9E),
+       _INIT_DCS_CMD(0xC2, 0xB8),
+       _INIT_DCS_CMD(0xC3, 0xD1),
+       _INIT_DCS_CMD(0xC4, 0xDD),
+       _INIT_DCS_CMD(0xC5, 0xE9),
+       _INIT_DCS_CMD(0xC6, 0xF6),
+       _INIT_DCS_CMD(0xC7, 0xFA),
+       _INIT_DCS_CMD(0xC8, 0xFC),
+       _INIT_DCS_CMD(0xC9, 0x00),
+       _INIT_DCS_CMD(0xCA, 0x00),
+       _INIT_DCS_CMD(0xCB, 0x16),
+       _INIT_DCS_CMD(0xCC, 0xAF),
+       _INIT_DCS_CMD(0xCD, 0xFF),
+       _INIT_DCS_CMD(0xCE, 0xFF),
+       _INIT_DCS_CMD(0xB0, 0x0A),
+       _INIT_DCS_CMD(0xB1, 0x00),
+       _INIT_DCS_CMD(0xB2, 0x02),
+       _INIT_DCS_CMD(0xB3, 0x0F),
+       _INIT_DCS_CMD(0xB4, 0x25),
+       _INIT_DCS_CMD(0xB5, 0x39),
+       _INIT_DCS_CMD(0xB6, 0x4E),
+       _INIT_DCS_CMD(0xB7, 0x72),
+       _INIT_DCS_CMD(0xB8, 0x97),
+       _INIT_DCS_CMD(0xB9, 0xDC),
+       _INIT_DCS_CMD(0xBA, 0x22),
+       _INIT_DCS_CMD(0xBB, 0xA4),
+       _INIT_DCS_CMD(0xBC, 0x2B),
+       _INIT_DCS_CMD(0xBD, 0x2F),
+       _INIT_DCS_CMD(0xBE, 0xA9),
+       _INIT_DCS_CMD(0xBF, 0x25),
+       _INIT_DCS_CMD(0xC0, 0x61),
+       _INIT_DCS_CMD(0xC1, 0x97),
+       _INIT_DCS_CMD(0xC2, 0xB2),
+       _INIT_DCS_CMD(0xC3, 0xCD),
+       _INIT_DCS_CMD(0xC4, 0xD9),
+       _INIT_DCS_CMD(0xC5, 0xE7),
+       _INIT_DCS_CMD(0xC6, 0xF4),
+       _INIT_DCS_CMD(0xC7, 0xFA),
+       _INIT_DCS_CMD(0xC8, 0xFC),
+       _INIT_DCS_CMD(0xC9, 0x00),
+       _INIT_DCS_CMD(0xCA, 0x00),
+       _INIT_DCS_CMD(0xCB, 0x16),
+       _INIT_DCS_CMD(0xCC, 0xAF),
+       _INIT_DCS_CMD(0xCD, 0xFF),
+       _INIT_DCS_CMD(0xCE, 0xFF),
+       _INIT_DCS_CMD(0xB0, 0x0B),
+       _INIT_DCS_CMD(0xB1, 0x04),
+       _INIT_DCS_CMD(0xB2, 0x05),
+       _INIT_DCS_CMD(0xB3, 0x11),
+       _INIT_DCS_CMD(0xB4, 0x24),
+       _INIT_DCS_CMD(0xB5, 0x39),
+       _INIT_DCS_CMD(0xB6, 0x4F),
+       _INIT_DCS_CMD(0xB7, 0x72),
+       _INIT_DCS_CMD(0xB8, 0x98),
+       _INIT_DCS_CMD(0xB9, 0xDC),
+       _INIT_DCS_CMD(0xBA, 0x23),
+       _INIT_DCS_CMD(0xBB, 0xA6),
+       _INIT_DCS_CMD(0xBC, 0x2C),
+       _INIT_DCS_CMD(0xBD, 0x30),
+       _INIT_DCS_CMD(0xBE, 0xAA),
+       _INIT_DCS_CMD(0xBF, 0x26),
+       _INIT_DCS_CMD(0xC0, 0x62),
+       _INIT_DCS_CMD(0xC1, 0x9B),
+       _INIT_DCS_CMD(0xC2, 0xB5),
+       _INIT_DCS_CMD(0xC3, 0xCF),
+       _INIT_DCS_CMD(0xC4, 0xDB),
+       _INIT_DCS_CMD(0xC5, 0xE8),
+       _INIT_DCS_CMD(0xC6, 0xF5),
+       _INIT_DCS_CMD(0xC7, 0xFA),
+       _INIT_DCS_CMD(0xC8, 0xFC),
+       _INIT_DCS_CMD(0xC9, 0x00),
+       _INIT_DCS_CMD(0xCA, 0x00),
+       _INIT_DCS_CMD(0xCB, 0x16),
+       _INIT_DCS_CMD(0xCC, 0xAF),
+       _INIT_DCS_CMD(0xCD, 0xFF),
+       _INIT_DCS_CMD(0xCE, 0xFF),
+       _INIT_DCS_CMD(0xB0, 0x0C),
+       _INIT_DCS_CMD(0xB1, 0x04),
+       _INIT_DCS_CMD(0xB2, 0x02),
+       _INIT_DCS_CMD(0xB3, 0x16),
+       _INIT_DCS_CMD(0xB4, 0x24),
+       _INIT_DCS_CMD(0xB5, 0x3B),
+       _INIT_DCS_CMD(0xB6, 0x4F),
+       _INIT_DCS_CMD(0xB7, 0x73),
+       _INIT_DCS_CMD(0xB8, 0x99),
+       _INIT_DCS_CMD(0xB9, 0xE0),
+       _INIT_DCS_CMD(0xBA, 0x26),
+       _INIT_DCS_CMD(0xBB, 0xAD),
+       _INIT_DCS_CMD(0xBC, 0x36),
+       _INIT_DCS_CMD(0xBD, 0x3A),
+       _INIT_DCS_CMD(0xBE, 0xAE),
+       _INIT_DCS_CMD(0xBF, 0x2A),
+       _INIT_DCS_CMD(0xC0, 0x66),
+       _INIT_DCS_CMD(0xC1, 0x9E),
+       _INIT_DCS_CMD(0xC2, 0xB8),
+       _INIT_DCS_CMD(0xC3, 0xD1),
+       _INIT_DCS_CMD(0xC4, 0xDD),
+       _INIT_DCS_CMD(0xC5, 0xE9),
+       _INIT_DCS_CMD(0xC6, 0xF6),
+       _INIT_DCS_CMD(0xC7, 0xFA),
+       _INIT_DCS_CMD(0xC8, 0xFC),
+       _INIT_DCS_CMD(0xC9, 0x00),
+       _INIT_DCS_CMD(0xCA, 0x00),
+       _INIT_DCS_CMD(0xCB, 0x16),
+       _INIT_DCS_CMD(0xCC, 0xAF),
+       _INIT_DCS_CMD(0xCD, 0xFF),
+       _INIT_DCS_CMD(0xCE, 0xFF),
+       _INIT_DCS_CMD(0xB0, 0x00),
+       _INIT_DCS_CMD(0xB3, 0x08),
+       _INIT_DCS_CMD(0xB0, 0x04),
+       _INIT_DCS_CMD(0xB8, 0x68),
+       _INIT_DELAY_CMD(150),
+       {},
+};
+
+static inline struct boe_panel *to_boe_panel(struct drm_panel *panel)
+{
+       return container_of(panel, struct boe_panel, base);
+}
+
+static int boe_panel_init_dcs_cmd(struct boe_panel *boe)
+{
+       struct mipi_dsi_device *dsi = boe->dsi;
+       struct drm_panel *panel = &boe->base;
+       int i, err = 0;
+
+       if (boe->desc->init_cmds) {
+               const struct panel_init_cmd *init_cmds = boe->desc->init_cmds;
+
+               for (i = 0; init_cmds[i].len != 0; i++) {
+                       const struct panel_init_cmd *cmd = &init_cmds[i];
+
+                       switch (cmd->type) {
+                       case DELAY_CMD:
+                               msleep(cmd->data[0]);
+                               err = 0;
+                               break;
+
+                       case INIT_DCS_CMD:
+                               err = mipi_dsi_dcs_write(dsi, cmd->data[0],
+                                                        cmd->len <= 1 ? NULL :
+                                                        &cmd->data[1],
+                                                        cmd->len - 1);
+                               break;
+
+                       default:
+                               err = -EINVAL;
+                       }
+
+                       if (err < 0) {
+                               dev_err(panel->dev,
+                                       "failed to write command %u\n", i);
+                               return err;
+                       }
+               }
+       }
+       return 0;
+}
+
+static int boe_panel_enter_sleep_mode(struct boe_panel *boe)
+{
+       struct mipi_dsi_device *dsi = boe->dsi;
+       int ret;
+
+       dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+       ret = mipi_dsi_dcs_set_display_off(dsi);
+       if (ret < 0)
+               return ret;
+
+       ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
+       if (ret < 0)
+               return ret;
+
+       return 0;
+}
+
+static int boe_panel_unprepare(struct drm_panel *panel)
+{
+       struct boe_panel *boe = to_boe_panel(panel);
+       int ret;
+
+       if (!boe->prepared)
+               return 0;
+
+       ret = boe_panel_enter_sleep_mode(boe);
+       if (ret < 0) {
+               dev_err(panel->dev, "failed to set panel off: %d\n", ret);
+               return ret;
+       }
+
+       msleep(150);
+       gpiod_set_value(boe->enable_gpio, 0);
+       usleep_range(500, 1000);
+       regulator_disable(boe->avee);
+       regulator_disable(boe->avdd);
+       usleep_range(5000, 7000);
+       regulator_disable(boe->pp1800);
+
+       boe->prepared = false;
+
+       return 0;
+}
+
+static int boe_panel_prepare(struct drm_panel *panel)
+{
+       struct boe_panel *boe = to_boe_panel(panel);
+       int ret;
+
+       if (boe->prepared)
+               return 0;
+
+       gpiod_set_value(boe->enable_gpio, 0);
+       usleep_range(1000, 1500);
+
+       ret = regulator_enable(boe->pp1800);
+       if (ret < 0)
+               return ret;
+
+       usleep_range(3000, 5000);
+
+       ret = regulator_enable(boe->avdd);
+       if (ret < 0)
+               goto poweroff1v8;
+       ret = regulator_enable(boe->avee);
+       if (ret < 0)
+               goto poweroffavdd;
+
+       usleep_range(5000, 10000);
+
+       gpiod_set_value(boe->enable_gpio, 1);
+       usleep_range(1000, 2000);
+       gpiod_set_value(boe->enable_gpio, 0);
+       usleep_range(1000, 2000);
+       gpiod_set_value(boe->enable_gpio, 1);
+       usleep_range(6000, 10000);
+
+       ret = boe_panel_init_dcs_cmd(boe);
+       if (ret < 0) {
+               dev_err(panel->dev, "failed to init panel: %d\n", ret);
+               goto poweroff;
+       }
+
+       boe->prepared = true;
+
+       return 0;
+
+poweroff:
+       regulator_disable(boe->avee);
+poweroffavdd:
+       regulator_disable(boe->avdd);
+poweroff1v8:
+       usleep_range(5000, 7000);
+       regulator_disable(boe->pp1800);
+       gpiod_set_value(boe->enable_gpio, 0);
+
+       return ret;
+}
+
+static int boe_panel_enable(struct drm_panel *panel)
+{
+       msleep(130);
+       return 0;
+}
+
+static const struct drm_display_mode boe_tv101wum_nl6_default_mode = {
+       .clock = 159425,
+       .hdisplay = 1200,
+       .hsync_start = 1200 + 100,
+       .hsync_end = 1200 + 100 + 40,
+       .htotal = 1200 + 100 + 40 + 24,
+       .vdisplay = 1920,
+       .vsync_start = 1920 + 10,
+       .vsync_end = 1920 + 10 + 14,
+       .vtotal = 1920 + 10 + 14 + 4,
+       .vrefresh = 60,
+};
+
+static const struct panel_desc boe_tv101wum_nl6_desc = {
+       .modes = &boe_tv101wum_nl6_default_mode,
+       .bpc = 8,
+       .size = {
+               .width_mm = 135,
+               .height_mm = 216,
+       },
+       .lanes = 4,
+       .format = MIPI_DSI_FMT_RGB888,
+       .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
+                     MIPI_DSI_MODE_LPM,
+       .init_cmds = boe_init_cmd,
+};
+
+static int boe_panel_get_modes(struct drm_panel *panel,
+                              struct drm_connector *connector)
+{
+       struct boe_panel *boe = to_boe_panel(panel);
+       const struct drm_display_mode *m = boe->desc->modes;
+       struct drm_display_mode *mode;
+
+       mode = drm_mode_duplicate(connector->dev, m);
+       if (!mode) {
+               dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
+                       m->hdisplay, m->vdisplay, m->vrefresh);
+               return -ENOMEM;
+       }
+
+       mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+       drm_mode_set_name(mode);
+       drm_mode_probed_add(connector, mode);
+
+       connector->display_info.width_mm = boe->desc->size.width_mm;
+       connector->display_info.height_mm = boe->desc->size.height_mm;
+       connector->display_info.bpc = boe->desc->bpc;
+
+       return 1;
+}
+
+static const struct drm_panel_funcs boe_panel_funcs = {
+       .unprepare = boe_panel_unprepare,
+       .prepare = boe_panel_prepare,
+       .enable = boe_panel_enable,
+       .get_modes = boe_panel_get_modes,
+};
+
+static int boe_panel_add(struct boe_panel *boe)
+{
+       struct device *dev = &boe->dsi->dev;
+       int err;
+
+       boe->avdd = devm_regulator_get(dev, "avdd");
+       if (IS_ERR(boe->avdd))
+               return PTR_ERR(boe->avdd);
+
+       boe->avee = devm_regulator_get(dev, "avee");
+       if (IS_ERR(boe->avee))
+               return PTR_ERR(boe->avee);
+
+       boe->pp1800 = devm_regulator_get(dev, "pp1800");
+       if (IS_ERR(boe->pp1800))
+               return PTR_ERR(boe->pp1800);
+
+       boe->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
+       if (IS_ERR(boe->enable_gpio)) {
+               dev_err(dev, "cannot get reset-gpios %ld\n",
+                       PTR_ERR(boe->enable_gpio));
+               return PTR_ERR(boe->enable_gpio);
+       }
+
+       gpiod_set_value(boe->enable_gpio, 0);
+
+       drm_panel_init(&boe->base, dev, &boe_panel_funcs,
+                      DRM_MODE_CONNECTOR_DSI);
+
+       err = drm_panel_of_backlight(&boe->base);
+       if (err)
+               return err;
+
+       boe->base.funcs = &boe_panel_funcs;
+       boe->base.dev = &boe->dsi->dev;
+
+       return drm_panel_add(&boe->base);
+}
+
+static int boe_panel_probe(struct mipi_dsi_device *dsi)
+{
+       struct boe_panel *boe;
+       int ret;
+       const struct panel_desc *desc;
+
+       boe = devm_kzalloc(&dsi->dev, sizeof(*boe), GFP_KERNEL);
+       if (!boe)
+               return -ENOMEM;
+
+       desc = of_device_get_match_data(&dsi->dev);
+       dsi->lanes = desc->lanes;
+       dsi->format = desc->format;
+       dsi->mode_flags = desc->mode_flags;
+       boe->desc = desc;
+       boe->dsi = dsi;
+       ret = boe_panel_add(boe);
+       if (ret < 0)
+               return ret;
+
+       mipi_dsi_set_drvdata(dsi, boe);
+
+       ret = mipi_dsi_attach(dsi);
+       if (ret)
+               drm_panel_remove(&boe->base);
+
+       return ret;
+}
+
+static void boe_panel_shutdown(struct mipi_dsi_device *dsi)
+{
+       struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
+
+       drm_panel_disable(&boe->base);
+       drm_panel_unprepare(&boe->base);
+}
+
+static int boe_panel_remove(struct mipi_dsi_device *dsi)
+{
+       struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
+       int ret;
+
+       boe_panel_shutdown(dsi);
+
+       ret = mipi_dsi_detach(dsi);
+       if (ret < 0)
+               dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
+
+       if (boe->base.dev)
+               drm_panel_remove(&boe->base);
+
+       return 0;
+}
+
+static const struct of_device_id boe_of_match[] = {
+       { .compatible = "boe,tv101wum-nl6",
+         .data = &boe_tv101wum_nl6_desc
+       },
+       { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, boe_of_match);
+
+static struct mipi_dsi_driver boe_panel_driver = {
+       .driver = {
+               .name = "panel-boe-tv101wum-nl6",
+               .of_match_table = boe_of_match,
+       },
+       .probe = boe_panel_probe,
+       .remove = boe_panel_remove,
+       .shutdown = boe_panel_shutdown,
+};
+module_mipi_dsi_driver(boe_panel_driver);
+
+MODULE_AUTHOR("Jitao Shi <jitao....@mediatek.com>");
+MODULE_DESCRIPTION("BOE tv101wum-nl6 1200x1920 video mode panel driver");
+MODULE_LICENSE("GPL v2");
-- 
2.21.0
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