Add a driver for panels using the Novatek NT36523 display driver IC.

Signed-off-by: Jianhua Lu <lujianhua...@gmail.com>
---
Changes in v3:
  - Refactor source code

Changes in v2:
  - Refactor and clean up source code

 MAINTAINERS                                   |   7 +
 drivers/gpu/drm/panel/Kconfig                 |  10 +
 drivers/gpu/drm/panel/Makefile                |   1 +
 drivers/gpu/drm/panel/panel-novatek-nt36523.c | 770 ++++++++++++++++++
 4 files changed, 788 insertions(+)
 create mode 100644 drivers/gpu/drm/panel/panel-novatek-nt36523.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 5383af5d3b45..3586248bb05d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6537,6 +6537,13 @@ T:       git git://anongit.freedesktop.org/drm/drm-misc
 F:     Documentation/devicetree/bindings/display/panel/sony,acx424akp.yaml
 F:     drivers/gpu/drm/panel/panel-novatek-nt35560.c
 
+DRM DRIVER FOR NOVATEK NT36523 PANELS
+M:     Jianhua Lu <lujianhua...@gmail.com>
+S:     Maintained
+T:     git git://anongit.freedesktop.org/drm/drm-misc
+F:     Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml
+F:     drivers/gpu/drm/panel/panel-novatek-nt36523.c
+
 DRM DRIVER FOR NOVATEK NT36672A PANELS
 M:     Sumit Semwal <sumit.sem...@linaro.org>
 S:     Maintained
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 8eeee71c0000..268508743b5c 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -377,6 +377,16 @@ config DRM_PANEL_NOVATEK_NT35950
          Sharp panels used in Sony Xperia Z5 Premium and XZ Premium
          mobile phones.
 
+config DRM_PANEL_NOVATEK_NT36523
+       tristate "Novatek NT36523 panel driver"
+       depends on OF
+       depends on DRM_MIPI_DSI
+       depends on BACKLIGHT_CLASS_DEVICE
+       help
+         Say Y here if you want to enable support for the panels built
+         around the Novatek NT36523 display controller, such as some
+         Boe panels used in Xiaomi Mi Pad 5 and 5 Pro tablets.
+
 config DRM_PANEL_NOVATEK_NT36672A
        tristate "Novatek NT36672A DSI panel"
        depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index c05aa9e23907..570eab8bf2b2 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -35,6 +35,7 @@ obj-$(CONFIG_DRM_PANEL_NEWVISION_NV3052C) += 
panel-newvision-nv3052c.o
 obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35510) += panel-novatek-nt35510.o
 obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35560) += panel-novatek-nt35560.o
 obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35950) += panel-novatek-nt35950.o
+obj-$(CONFIG_DRM_PANEL_NOVATEK_NT36523) += panel-novatek-nt36523.o
 obj-$(CONFIG_DRM_PANEL_NOVATEK_NT36672A) += panel-novatek-nt36672a.o
 obj-$(CONFIG_DRM_PANEL_NOVATEK_NT39016) += panel-novatek-nt39016.o
 obj-$(CONFIG_DRM_PANEL_MANTIX_MLAF057WE51) += panel-mantix-mlaf057we51.o
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36523.c 
b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
new file mode 100644
index 000000000000..0df41ef9690c
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-novatek-nt36523.c
@@ -0,0 +1,770 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Novatek NT36523 DriverIC panels driver
+ *
+ * Copyright (c) 2022, 2023 Jianhua Lu <lujianhua...@gmail.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_graph.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drm_connector.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+
+#define DSI_NUM_MIN 1
+
+/* Macro modified from mipi_dual_dsi_dcs_write_seq */
+#define mipi_dual_dsi_dcs_write_seq(dsi, cmd, seq...)                     \
+       do {                                                               \
+               static const u8 d[] = { cmd, seq };                        \
+               int i, ret;                                                \
+               for (i = 0; i < ARRAY_SIZE(dsi); i++) {                    \
+                       ret = mipi_dsi_dcs_write_buffer(dsi[i], d, 
ARRAY_SIZE(d));    \
+                       if (ret < 0) {                                          
   \
+                               dev_err_ratelimited(                            
   \
+                                       &dsi[i]->dev, "sending command %#02x 
failed: %d\n", \
+                                       cmd, ret);                              
   \
+                               return ret;                                     
   \
+                       }                                                       
   \
+               }                                                               
   \
+       } while (0)
+
+struct panel_info {
+       struct drm_panel panel;
+       struct mipi_dsi_device *dsi[2];
+       const struct panel_desc *desc;
+
+       struct gpio_desc *reset_gpio;
+       struct backlight_device *backlight;
+       struct regulator *vddio;
+
+       bool prepared;
+};
+
+struct panel_desc {
+       unsigned int width_mm;
+       unsigned int height_mm;
+
+       unsigned int bpc;
+       unsigned int lanes;
+       unsigned long mode_flags;
+       enum mipi_dsi_pixel_format format;
+
+       const struct drm_display_mode *modes;
+       const struct mipi_dsi_device_info dsi_info;
+       int (*init_sequence)(struct panel_info *pinfo);
+
+       bool is_dual_dsi;
+};
+
+static inline struct panel_info *to_panel_info(struct drm_panel *panel)
+{
+       return container_of(panel, struct panel_info, panel);
+}
+
+static int elish_boe_init_sequence(struct panel_info *pinfo)
+{
+       /* No datasheet */
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB9, 0x05);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x20);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x18, 0x40);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB9, 0x02);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x23);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x00, 0x80);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x01, 0x84);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x05, 0x2D);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x06, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x07, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x08, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x09, 0x45);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x11, 0x02);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x12, 0x80);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x15, 0x83);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x16, 0x0C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x29, 0x0A);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x30, 0xFF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x31, 0xFE);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x32, 0xFD);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x33, 0xFB);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x34, 0xF8);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x35, 0xF5);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x36, 0xF3);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x37, 0xF2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x38, 0xF2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x39, 0xF2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3A, 0xEF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3B, 0xEC);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3D, 0xE9);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3F, 0xE5);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x40, 0xE5);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x41, 0xE5);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x2A, 0x13);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x45, 0xFF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x46, 0xF4);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x47, 0xE7);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x48, 0xDA);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x49, 0xCD);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4A, 0xC0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4B, 0xB3);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4C, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4D, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4E, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4F, 0x99);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x50, 0x80);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x51, 0x68);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x52, 0x66);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x53, 0x66);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x54, 0x66);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x2B, 0x0E);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x58, 0xFF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x59, 0xFB);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5A, 0xF7);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5B, 0xF3);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5C, 0xEF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5D, 0xE3);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5E, 0xDA);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5F, 0xD8);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x60, 0xD8);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x61, 0xD8);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x62, 0xCB);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x63, 0xBF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x64, 0xB3);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x65, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x66, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x67, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x2A);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x25, 0x47);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x30, 0x47);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x39, 0x47);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x26);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x19, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1A, 0xE0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1B, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1C, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x2A, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x2B, 0xE0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0xF0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x84, 0x08);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x85, 0x0C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x20);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x51, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x25);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x91, 0x1F);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x92, 0x0F);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x93, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x94, 0x18);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x95, 0x03);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x96, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB0, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x25);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x19, 0x1F);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1B, 0x1B);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x24);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB8, 0x28);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x27);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD0, 0x31);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD1, 0x20);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD2, 0x30);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD4, 0x08);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xDE, 0x80);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xDF, 0x02);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x26);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x00, 0x81);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x01, 0xB0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x22);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x9F, 0x50);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x6F, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x70, 0x11);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x73, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x74, 0x49);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x76, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x77, 0x49);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xA0, 0x3F);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xA9, 0x50);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xAA, 0x28);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xAB, 0x28);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xAD, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB8, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB9, 0x49);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBA, 0x49);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBB, 0x49);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBE, 0x04);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBF, 0x49);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC0, 0x04);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC1, 0x59);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC2, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC5, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC6, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC7, 0x48);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xCA, 0x43);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xCB, 0x3C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xCE, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xCF, 0x43);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD0, 0x3C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD3, 0x43);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD4, 0x3C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD7, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xDC, 0x43);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xDD, 0x3C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xE1, 0x43);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xE2, 0x3C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xF2, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xF3, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xF4, 0x48);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x25);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x13, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x14, 0x23);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBC, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBD, 0x23);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x2A);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x97, 0x3C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x98, 0x02);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x99, 0x95);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x9A, 0x03);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x9B, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x9C, 0x0B);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x9D, 0x0A);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x9E, 0x90);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x22);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x9F, 0x50);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x23);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xA3, 0x50);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0xE0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x14, 0x60);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x16, 0xC0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4F, 0x02);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0xF0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3A, 0x08);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0xD0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x02, 0xAF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x09, 0xEE);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1C, 0x99);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1D, 0x09);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x51, 0x0F, 0xFF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x53, 0x2C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x35, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBB, 0x13);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3B, 0x03, 0xAC, 0x1A, 0x04, 
0x04);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x11);
+       msleep(70);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x29);
+       return 0;
+}
+
+static int elish_csot_init_sequence(struct panel_info *pinfo)
+{
+       /* No datasheet */
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB9, 0x05);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x20);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x18, 0x40);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB9, 0x02);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0xD0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x02, 0xAF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x00, 0x30);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x09, 0xEE);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1C, 0x99);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1D, 0x09);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0xF0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3A, 0x08);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0xE0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4F, 0x02);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x20);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x58, 0x40);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x35, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x23);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x00, 0x80);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x01, 0x84);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x05, 0x2D);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x06, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x07, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x08, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x09, 0x45);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x11, 0x02);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x12, 0x80);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x15, 0x83);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x16, 0x0C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x29, 0x0A);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x30, 0xFF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x31, 0xFE);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x32, 0xFD);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x33, 0xFB);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x34, 0xF8);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x35, 0xF5);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x36, 0xF3);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x37, 0xF2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x38, 0xF2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x39, 0xF2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3A, 0xEF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3B, 0xEC);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3D, 0xE9);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3F, 0xE5);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x40, 0xE5);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x41, 0xE5);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x2A, 0x13);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x45, 0xFF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x46, 0xF4);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x47, 0xE7);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x48, 0xDA);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x49, 0xCD);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4A, 0xC0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4B, 0xB3);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4C, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4D, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4E, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x4F, 0x99);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x50, 0x80);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x51, 0x68);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x52, 0x66);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x53, 0x66);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x54, 0x66);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x2B, 0x0E);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x58, 0xFF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x59, 0xFB);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5A, 0xF7);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5B, 0xF3);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5C, 0xEF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5D, 0xE3);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5E, 0xDA);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x5F, 0xD8);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x60, 0xD8);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x61, 0xD8);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x62, 0xCB);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x63, 0xBF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x64, 0xB3);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x65, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x66, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x67, 0xB2);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x51, 0x0F, 0xFF);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x53, 0x2C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x55, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBB, 0x13);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x3B, 0x03, 0xAC, 0x1A, 0x04, 
0x04);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x2A);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x25, 0x46);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x30, 0x46);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x39, 0x46);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x26);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x01, 0xB0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x19, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1A, 0xE0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1B, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1C, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x2A, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x2B, 0xE0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0xF0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x84, 0x08);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x85, 0x0C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x20);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x51, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x25);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x91, 0x1F);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x92, 0x0F);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x93, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x94, 0x18);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x95, 0x03);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x96, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB0, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x25);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x19, 0x1F);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x1B, 0x1B);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x24);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB8, 0x28);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x27);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD0, 0x31);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD1, 0x20);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD4, 0x08);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xDE, 0x80);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xDF, 0x02);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x26);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x00, 0x81);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x01, 0xB0);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x22);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x6F, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x70, 0x11);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x73, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x74, 0x4D);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xA0, 0x3F);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xA9, 0x50);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xAA, 0x28);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xAB, 0x28);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xAD, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB8, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xB9, 0x4B);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBA, 0x96);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBB, 0x4B);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBE, 0x07);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBF, 0x4B);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC0, 0x07);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC1, 0x5C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC2, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC5, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC6, 0x3F);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xC7, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xCA, 0x08);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xCB, 0x40);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xCE, 0x00);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xCF, 0x08);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD0, 0x40);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD3, 0x08);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xD4, 0x40);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x25);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBC, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xBD, 0x1C);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x2A);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFB, 0x01);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x9A, 0x03);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0xFF, 0x10);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x11);
+       msleep(70);
+       mipi_dual_dsi_dcs_write_seq(pinfo->dsi, 0x29);
+       return 0;
+}
+
+static const struct drm_display_mode elish_boe_mode = {
+       /* Current max freqency is 104HZ, TODO 120HZ */
+       .clock = (1600 + 60 + 8 + 60) * (2560 + 26 + 4 + 168) * 104 / 1000,
+       .hdisplay = 1600,
+       .hsync_start = 1600 + 60,
+       .hsync_end = 1600 + 60 + 8,
+       .htotal = 1600 + 60 + 8 + 60,
+       .vdisplay = 2560,
+       .vsync_start = 2560 + 26,
+       .vsync_end = 2560 + 26 + 4,
+       .vtotal = 2560 + 26 + 4 + 168,
+};
+
+static const struct drm_display_mode elish_csot_mode = {
+       /* Current max freqency is 104HZ, TODO 120HZ */
+       .clock = (1600 + 200 + 40 + 52) * (2560 + 26 + 4 + 168) * 104 / 1000,
+       .hdisplay = 1600,
+       .hsync_start = 1600 + 200,
+       .hsync_end = 1600 + 200 + 40,
+       .htotal = 1600 + 200 + 40 + 52,
+       .vdisplay = 2560,
+       .vsync_start = 2560 + 26,
+       .vsync_end = 2560 + 26 + 4,
+       .vtotal = 2560 + 26 + 4 + 168,
+};
+
+static const struct panel_desc elish_boe_desc = {
+       .modes = &elish_boe_mode,
+       .dsi_info = {
+               .type = "NT36523",
+               .channel = 0,
+               .node = NULL,
+       },
+       .width_mm = 127,
+       .height_mm = 203,
+       .bpc = 8,
+       .lanes = 3,
+       .format = MIPI_DSI_FMT_RGB888,
+       .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS | 
MIPI_DSI_MODE_LPM,
+       .init_sequence = elish_boe_init_sequence,
+       .is_dual_dsi = true,
+};
+
+static const struct panel_desc elish_csot_desc = {
+       .modes = &elish_csot_mode,
+       .dsi_info = {
+               .type = "NT36523",
+               .channel = 0,
+               .node = NULL,
+       },
+       .width_mm = 127,
+       .height_mm = 203,
+       .bpc = 8,
+       .lanes = 3,
+       .format = MIPI_DSI_FMT_RGB888,
+       .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS | 
MIPI_DSI_MODE_LPM,
+       .init_sequence = elish_csot_init_sequence,
+       .is_dual_dsi = true,
+};
+
+static void nt36523_reset(struct panel_info *pinfo)
+{
+       gpiod_set_value_cansleep(pinfo->reset_gpio, 1);
+       usleep_range(12000, 13000);
+       gpiod_set_value_cansleep(pinfo->reset_gpio, 0);
+       usleep_range(12000, 13000);
+       gpiod_set_value_cansleep(pinfo->reset_gpio, 1);
+       usleep_range(12000, 13000);
+       gpiod_set_value_cansleep(pinfo->reset_gpio, 0);
+       usleep_range(12000, 13000);
+}
+
+static int nt36523_prepare(struct drm_panel *panel)
+{
+       struct panel_info *pinfo = to_panel_info(panel);
+       int ret;
+
+       if (pinfo->prepared)
+               return 0;
+
+       ret = regulator_enable(pinfo->vddio);
+       if (ret) {
+               dev_err(panel->dev, "failed to enable vddio regulator: %d\n", 
ret);
+               return ret;
+       }
+
+       nt36523_reset(pinfo);
+
+       ret = pinfo->desc->init_sequence(pinfo);
+       if (ret < 0) {
+               regulator_disable(pinfo->vddio);
+               dev_err(panel->dev, "failed to initialize panel: %d\n", ret);
+               return ret;
+       }
+
+       pinfo->prepared = true;
+
+       return 0;
+}
+
+static int nt36523_disable(struct drm_panel *panel)
+{
+       struct panel_info *pinfo = to_panel_info(panel);
+       int i, ret;
+
+       for (i = 0; i < DSI_NUM_MIN + pinfo->desc->is_dual_dsi; i++) {
+               ret = mipi_dsi_dcs_set_display_off(pinfo->dsi[i]);
+               if (ret < 0)
+                       dev_err(&pinfo->dsi[i]->dev, "failed to set display 
off: %d\n", ret);
+       }
+
+       for (i = 0; i < DSI_NUM_MIN + pinfo->desc->is_dual_dsi; i++) {
+               ret = mipi_dsi_dcs_enter_sleep_mode(pinfo->dsi[i]);
+               if (ret < 0)
+                       dev_err(&pinfo->dsi[i]->dev, "failed to enter sleep 
mode: %d\n", ret);
+       }
+
+       msleep(70);
+
+       return 0;
+}
+
+static int nt36523_unprepare(struct drm_panel *panel)
+{
+       struct panel_info *pinfo = to_panel_info(panel);
+
+       if (!pinfo->prepared)
+               return 0;
+
+       gpiod_set_value_cansleep(pinfo->reset_gpio, 1);
+       regulator_disable(pinfo->vddio);
+
+       pinfo->prepared = false;
+
+       return 0;
+}
+
+static void nt36523_remove(struct mipi_dsi_device *dsi)
+{
+       struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi);
+       int ret;
+
+       ret = mipi_dsi_detach(pinfo->dsi[0]);
+       if (ret < 0)
+               dev_err(&dsi->dev, "failed to detach from DSI0 host: %d\n", 
ret);
+
+       if (pinfo->desc->is_dual_dsi) {
+               ret = mipi_dsi_detach(pinfo->dsi[1]);
+               if (ret < 0)
+                       dev_err(&pinfo->dsi[1]->dev, "failed to detach from 
DSI1 host: %d\n", ret);
+               mipi_dsi_device_unregister(pinfo->dsi[1]);
+       }
+
+       drm_panel_remove(&pinfo->panel);
+}
+
+static int nt36523_get_modes(struct drm_panel *panel,
+                              struct drm_connector *connector)
+{
+       struct panel_info *pinfo = to_panel_info(panel);
+       const struct drm_display_mode *m = pinfo->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, drm_mode_vrefresh(m));
+               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 = pinfo->desc->width_mm;
+       connector->display_info.height_mm = pinfo->desc->height_mm;
+       connector->display_info.bpc = pinfo->desc->bpc;
+
+       return 1;
+}
+
+static const struct drm_panel_funcs nt36523_panel_funcs = {
+       .disable = nt36523_disable,
+       .prepare = nt36523_prepare,
+       .unprepare = nt36523_unprepare,
+       .get_modes = nt36523_get_modes,
+};
+
+static int nt36523_probe(struct mipi_dsi_device *dsi)
+{
+       struct device *dev = &dsi->dev;
+       struct device_node *dsi1;
+       struct mipi_dsi_host *dsi1_host;
+       struct panel_info *pinfo;
+       const struct mipi_dsi_device_info *info;
+       int i, ret;
+
+       pinfo = devm_kzalloc(dev, sizeof(*pinfo), GFP_KERNEL);
+       if (!pinfo)
+               return -ENOMEM;
+
+       pinfo->vddio = devm_regulator_get(dev, "vddio");
+       if (IS_ERR(pinfo->vddio))
+               return dev_err_probe(dev, PTR_ERR(pinfo->vddio),
+                                    "failed to request vddio regulator\n");
+
+       pinfo->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+       if (IS_ERR(pinfo->reset_gpio))
+               return dev_err_probe(dev, PTR_ERR(pinfo->reset_gpio), "failed 
to get reset gpio\n");
+
+       pinfo->desc = of_device_get_match_data(dev);
+       if (!pinfo->desc)
+               return -ENODEV;
+
+       /* If the panel is dual dsi, register DSI1 */
+       if (pinfo->desc->is_dual_dsi) {
+               info = &pinfo->desc->dsi_info;
+
+               dsi1 = of_graph_get_remote_node(dsi->dev.of_node, 1, -1);
+               if (!dsi1) {
+                       dev_err(dev, "cannot get secondary DSI node.\n");
+                       return -ENODEV;
+               }
+
+               dsi1_host = of_find_mipi_dsi_host_by_node(dsi1);
+               of_node_put(dsi1);
+               if (!dsi1_host) {
+                       dev_err(dev, "cannot get secondary DSI host\n");
+                       return -EPROBE_DEFER;
+               }
+
+               pinfo->dsi[1] = mipi_dsi_device_register_full(dsi1_host, info);
+               if (!pinfo->dsi[1]) {
+                       dev_err(dev, "cannot get secondary DSI device\n");
+                       return -ENODEV;
+               }
+       }
+
+       pinfo->dsi[0] = dsi;
+       mipi_dsi_set_drvdata(dsi, pinfo);
+       drm_panel_init(&pinfo->panel, dev, &nt36523_panel_funcs, 
DRM_MODE_CONNECTOR_DSI);
+
+       ret = drm_panel_of_backlight(&pinfo->panel);
+       if (ret)
+               return dev_err_probe(dev, ret, "failed to get backlight\n");
+
+       drm_panel_add(&pinfo->panel);
+
+       for (i = 0; i < DSI_NUM_MIN + pinfo->desc->is_dual_dsi; i++) {
+               pinfo->dsi[i]->lanes = pinfo->desc->lanes;
+               pinfo->dsi[i]->format = pinfo->desc->format;
+               pinfo->dsi[i]->mode_flags = pinfo->desc->mode_flags;
+
+               ret = mipi_dsi_attach(pinfo->dsi[i]);
+               if (ret < 0)
+                       return dev_err_probe(dev, ret, "cannot attach to DSI%d 
host.\n", i);
+       }
+
+       return 0;
+}
+
+static const struct of_device_id nt36523_of_match[] = {
+       {
+               .compatible = "xiaomi,elish-boe-nt36523",
+               .data = &elish_boe_desc,
+       },
+       {
+               .compatible = "xiaomi,elish-csot-nt36523",
+               .data = &elish_csot_desc,
+       },
+       {},
+};
+MODULE_DEVICE_TABLE(of, nt36523_of_match);
+
+static struct mipi_dsi_driver nt36523_driver = {
+       .probe = nt36523_probe,
+       .remove = nt36523_remove,
+       .driver = {
+               .name = "panel-novatek-nt36523",
+               .of_match_table = nt36523_of_match,
+       },
+};
+module_mipi_dsi_driver(nt36523_driver);
+
+MODULE_AUTHOR("Jianhua Lu <lujianhua...@gmail.com>");
+MODULE_DESCRIPTION("DRM driver for Novatek NT36523 based MIPI DSI panels");
+MODULE_LICENSE("GPL");
-- 
2.39.2


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