* [PATCH v2 2/2] gpu/drm/panel: Add Lenovo NT36523W BOE panel
2023-03-07 13:26 [PATCH v2 0/2] Add support for Lenovo NT36523W BOE panel Konrad Dybcio
2023-03-07 13:26 ` [PATCH v2 1/2] dt-bindings: display/panel: Add " Konrad Dybcio
@ 2023-03-07 13:26 ` Konrad Dybcio
2023-03-07 22:18 ` Linus Walleij
1 sibling, 1 reply; 8+ messages in thread
From: Konrad Dybcio @ 2023-03-07 13:26 UTC (permalink / raw)
To: Thierry Reding, Sam Ravnborg, David Airlie, Daniel Vetter,
Rob Herring, Krzysztof Kozlowski, Neil Armstrong
Cc: dri-devel, devicetree, linux-kernel, Konrad Dybcio
Introduce support for the BOE panel with a NT36523W touch/driver IC
found on some Lenovo Tab P11 devices. It's a 2000x1200, 24bit RGB
MIPI DSI panel with integrated DCS-controlled backlight (that expects
big-endian communication).
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
drivers/gpu/drm/panel/Kconfig | 12 +
drivers/gpu/drm/panel/Makefile | 1 +
drivers/gpu/drm/panel/panel-lenovo-nt36523w-boe.c | 747 ++++++++++++++++++++++
3 files changed, 760 insertions(+)
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 8eeee71c0000..2abc89284a77 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -297,6 +297,18 @@ config DRM_PANEL_LEADTEK_LTK500HD1829
24 bit RGB per pixel. It provides a MIPI DSI interface to
the host and has a built-in LED backlight.
+config DRM_PANEL_LENOVO_NT36523W_BOE
+ tristate "Lenovo NT36523W BOE panel"
+ depends on OF
+ depends on DRM_MIPI_DSI
+ depends on BACKLIGHT_CLASS_DEVICE
+ help
+ Say Y here if you want to enable support for BOE display panel with
+ NT36523W driver/touch IC, found on some Lenovo Tab P11 devices. The
+ panel has a 2000x1200 resolution and uses 24 bit RGB per pixel. It
+ provides a MIPI DSI interface to the host and has a built-in LED
+ backlight.
+
config DRM_PANEL_SAMSUNG_LD9040
tristate "Samsung LD9040 RGB/SPI panel"
depends on OF && SPI
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index c05aa9e23907..7ed908cc83a6 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_DRM_PANEL_KHADAS_TS050) += panel-khadas-ts050.o
obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) += panel-kingdisplay-kd097d04.o
obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK050H3146W) += panel-leadtek-ltk050h3146w.o
obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829) += panel-leadtek-ltk500hd1829.o
+obj-$(CONFIG_DRM_PANEL_LENOVO_NT36523W_BOE) += panel-lenovo-nt36523w-boe.o
obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) += panel-lg-lb035q02.o
obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
obj-$(CONFIG_DRM_PANEL_NEC_NL8048HL11) += panel-nec-nl8048hl11.o
diff --git a/drivers/gpu/drm/panel/panel-lenovo-nt36523w-boe.c b/drivers/gpu/drm/panel/panel-lenovo-nt36523w-boe.c
new file mode 100644
index 000000000000..ad16622da732
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-lenovo-nt36523w-boe.c
@@ -0,0 +1,747 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2023 Linaro Limited
+ *
+ * Generated with linux-mdss-dsi-panel-driver-generator with
+ * some manual adjustments.
+ */
+#include <linux/backlight.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regulator/consumer.h>
+
+#include <video/mipi_display.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+
+struct nt36523w_boe {
+ struct drm_panel panel;
+ struct mipi_dsi_device *dsi;
+ struct regulator *supply;
+ struct gpio_desc *reset_gpio;
+ enum drm_panel_orientation orientation;
+ bool prepared;
+};
+
+static inline struct nt36523w_boe *to_nt36523w_boe(struct drm_panel *panel)
+{
+ return container_of(panel, struct nt36523w_boe, panel);
+}
+
+static void nt36523w_boe_reset(struct nt36523w_boe *ctx)
+{
+ gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+ usleep_range(10000, 11000);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+ usleep_range(5000, 6000);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+ usleep_range(2000, 3000);
+}
+
+static int nt36523w_boe_on(struct nt36523w_boe *ctx)
+{
+ struct mipi_dsi_device *dsi = ctx->dsi;
+ struct device *dev = &dsi->dev;
+ int ret;
+
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x20);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x05, 0xd9);
+ mipi_dsi_dcs_write_seq(dsi, 0x07, 0x78);
+ mipi_dsi_dcs_write_seq(dsi, 0x08, 0x5a);
+ mipi_dsi_dcs_write_seq(dsi, 0x0d, 0x63);
+ mipi_dsi_dcs_write_seq(dsi, 0x0e, 0x91);
+ mipi_dsi_dcs_write_seq(dsi, 0x0f, 0x73);
+ mipi_dsi_dcs_write_seq(dsi, 0x95, 0xeb);
+ mipi_dsi_dcs_write_seq(dsi, 0x96, 0xeb);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_ROWS, 0x11);
+ mipi_dsi_dcs_write_seq(dsi, 0x6d, 0x66);
+ mipi_dsi_dcs_write_seq(dsi, 0x75, 0xa2);
+ mipi_dsi_dcs_write_seq(dsi, 0x77, 0xb3);
+ mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x00, 0x08, 0x00, 0x23, 0x00, 0x4d, 0x00, 0x6d, 0x00,
+ 0x89, 0x00, 0xa1, 0x00, 0xb6, 0x00, 0xc9);
+ mipi_dsi_dcs_write_seq(dsi, 0xb1, 0x00, 0xda, 0x01, 0x13, 0x01, 0x3c, 0x01, 0x7e, 0x01,
+ 0xab, 0x01, 0xf7, 0x02, 0x2f, 0x02, 0x31);
+ mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x02, 0x67, 0x02, 0xa6, 0x02, 0xd1, 0x03, 0x08, 0x03,
+ 0x2e, 0x03, 0x5b, 0x03, 0x6b, 0x03, 0x7b);
+ mipi_dsi_dcs_write_seq(dsi, 0xb3, 0x03, 0x8e, 0x03, 0xa2, 0x03, 0xb7, 0x03, 0xe7, 0x03,
+ 0xfd, 0x03, 0xff);
+ mipi_dsi_dcs_write_seq(dsi, 0xb4, 0x00, 0x08, 0x00, 0x23, 0x00, 0x4d, 0x00, 0x6d, 0x00,
+ 0x89, 0x00, 0xa1, 0x00, 0xb6, 0x00, 0xc9);
+ mipi_dsi_dcs_write_seq(dsi, 0xb5, 0x00, 0xda, 0x01, 0x13, 0x01, 0x3c, 0x01, 0x7e, 0x01,
+ 0xab, 0x01, 0xf7, 0x02, 0x2f, 0x02, 0x31);
+ mipi_dsi_dcs_write_seq(dsi, 0xb6, 0x02, 0x67, 0x02, 0xa6, 0x02, 0xd1, 0x03, 0x08, 0x03,
+ 0x2e, 0x03, 0x5b, 0x03, 0x6b, 0x03, 0x7b);
+ mipi_dsi_dcs_write_seq(dsi, 0xb7, 0x03, 0x8e, 0x03, 0xa2, 0x03, 0xb7, 0x03, 0xe7, 0x03,
+ 0xfd, 0x03, 0xff);
+ mipi_dsi_dcs_write_seq(dsi, 0xb8, 0x00, 0x08, 0x00, 0x23, 0x00, 0x4d, 0x00, 0x6d, 0x00,
+ 0x89, 0x00, 0xa1, 0x00, 0xb6, 0x00, 0xc9);
+ mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0xda, 0x01, 0x13, 0x01, 0x3c, 0x01, 0x7e, 0x01,
+ 0xab, 0x01, 0xf7, 0x02, 0x2f, 0x02, 0x31);
+ mipi_dsi_dcs_write_seq(dsi, 0xba, 0x02, 0x67, 0x02, 0xa6, 0x02, 0xd1, 0x03, 0x08, 0x03,
+ 0x2e, 0x03, 0x5b, 0x03, 0x6b, 0x03, 0x7b);
+ mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x03, 0x8e, 0x03, 0xa2, 0x03, 0xb7, 0x03, 0xe7, 0x03,
+ 0xfd, 0x03, 0xff);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x21);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x45, 0x00, 0x65, 0x00,
+ 0x81, 0x00, 0x99, 0x00, 0xae, 0x00, 0xc1);
+ mipi_dsi_dcs_write_seq(dsi, 0xb1, 0x00, 0xd2, 0x01, 0x0b, 0x01, 0x34, 0x01, 0x76, 0x01,
+ 0xa3, 0x01, 0xef, 0x02, 0x27, 0x02, 0x29);
+ mipi_dsi_dcs_write_seq(dsi, 0xb2, 0x02, 0x5f, 0x02, 0x9e, 0x02, 0xc9, 0x03, 0x00, 0x03,
+ 0x26, 0x03, 0x53, 0x03, 0x63, 0x03, 0x73);
+ mipi_dsi_dcs_write_seq(dsi, 0xb3, 0x03, 0x86, 0x03, 0x9a, 0x03, 0xaf, 0x03, 0xdf, 0x03,
+ 0xf5, 0x03, 0xf7);
+ mipi_dsi_dcs_write_seq(dsi, 0xb4, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x45, 0x00, 0x65, 0x00,
+ 0x81, 0x00, 0x99, 0x00, 0xae, 0x00, 0xc1);
+ mipi_dsi_dcs_write_seq(dsi, 0xb5, 0x00, 0xd2, 0x01, 0x0b, 0x01, 0x34, 0x01, 0x76, 0x01,
+ 0xa3, 0x01, 0xef, 0x02, 0x27, 0x02, 0x29);
+ mipi_dsi_dcs_write_seq(dsi, 0xb6, 0x02, 0x5f, 0x02, 0x9e, 0x02, 0xc9, 0x03, 0x00, 0x03,
+ 0x26, 0x03, 0x53, 0x03, 0x63, 0x03, 0x73);
+ mipi_dsi_dcs_write_seq(dsi, 0xb7, 0x03, 0x86, 0x03, 0x9a, 0x03, 0xaf, 0x03, 0xdf, 0x03,
+ 0xf5, 0x03, 0xf7);
+ mipi_dsi_dcs_write_seq(dsi, 0xb8, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x45, 0x00, 0x65, 0x00,
+ 0x81, 0x00, 0x99, 0x00, 0xae, 0x00, 0xc1);
+ mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0xd2, 0x01, 0x0b, 0x01, 0x34, 0x01, 0x76, 0x01,
+ 0xa3, 0x01, 0xef, 0x02, 0x27, 0x02, 0x29);
+ mipi_dsi_dcs_write_seq(dsi, 0xba, 0x02, 0x5f, 0x02, 0x9e, 0x02, 0xc9, 0x03, 0x00, 0x03,
+ 0x26, 0x03, 0x53, 0x03, 0x63, 0x03, 0x73);
+ mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x03, 0x86, 0x03, 0x9a, 0x03, 0xaf, 0x03, 0xdf, 0x03,
+ 0xf5, 0x03, 0xf7);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x23);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x00, 0x80);
+ mipi_dsi_dcs_write_seq(dsi, 0x07, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x11, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x12, 0x77);
+ mipi_dsi_dcs_write_seq(dsi, 0x15, 0x07);
+ mipi_dsi_dcs_write_seq(dsi, 0x16, 0x07);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x24);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x00, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x01, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x02, 0x1c);
+ mipi_dsi_dcs_write_seq(dsi, 0x03, 0x1c);
+ mipi_dsi_dcs_write_seq(dsi, 0x04, 0x1d);
+ mipi_dsi_dcs_write_seq(dsi, 0x05, 0x1d);
+ mipi_dsi_dcs_write_seq(dsi, 0x06, 0x04);
+ mipi_dsi_dcs_write_seq(dsi, 0x07, 0x04);
+ mipi_dsi_dcs_write_seq(dsi, 0x08, 0x0f);
+ mipi_dsi_dcs_write_seq(dsi, 0x09, 0x0f);
+ mipi_dsi_dcs_write_seq(dsi, 0x0a, 0x0e);
+ mipi_dsi_dcs_write_seq(dsi, 0x0b, 0x0e);
+ mipi_dsi_dcs_write_seq(dsi, 0x0c, 0x0d);
+ mipi_dsi_dcs_write_seq(dsi, 0x0d, 0x0d);
+ mipi_dsi_dcs_write_seq(dsi, 0x0e, 0x0c);
+ mipi_dsi_dcs_write_seq(dsi, 0x0f, 0x0c);
+ mipi_dsi_dcs_write_seq(dsi, 0x10, 0x08);
+ mipi_dsi_dcs_write_seq(dsi, 0x11, 0x08);
+ mipi_dsi_dcs_write_seq(dsi, 0x12, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x13, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x14, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x15, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x16, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x17, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x18, 0x1c);
+ mipi_dsi_dcs_write_seq(dsi, 0x19, 0x1c);
+ mipi_dsi_dcs_write_seq(dsi, 0x1a, 0x1d);
+ mipi_dsi_dcs_write_seq(dsi, 0x1b, 0x1d);
+ mipi_dsi_dcs_write_seq(dsi, 0x1c, 0x04);
+ mipi_dsi_dcs_write_seq(dsi, 0x1d, 0x04);
+ mipi_dsi_dcs_write_seq(dsi, 0x1e, 0x0f);
+ mipi_dsi_dcs_write_seq(dsi, 0x1f, 0x0f);
+ mipi_dsi_dcs_write_seq(dsi, 0x20, 0x0e);
+ mipi_dsi_dcs_write_seq(dsi, 0x21, 0x0e);
+ mipi_dsi_dcs_write_seq(dsi, 0x22, 0x0d);
+ mipi_dsi_dcs_write_seq(dsi, 0x23, 0x0d);
+ mipi_dsi_dcs_write_seq(dsi, 0x24, 0x0c);
+ mipi_dsi_dcs_write_seq(dsi, 0x25, 0x0c);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_GAMMA_CURVE, 0x08);
+ mipi_dsi_dcs_write_seq(dsi, 0x27, 0x08);
+ mipi_dsi_dcs_write_seq(dsi, 0x28, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x29, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x2a, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x2b, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_LUT, 0x20);
+ mipi_dsi_dcs_write_seq(dsi, 0x2f, 0x0a);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_ROWS, 0x44);
+ mipi_dsi_dcs_write_seq(dsi, 0x33, 0x0c);
+ mipi_dsi_dcs_write_seq(dsi, 0x34, 0x32);
+ mipi_dsi_dcs_write_seq(dsi, 0x37, 0x44);
+ mipi_dsi_dcs_write_seq(dsi, 0x38, 0x40);
+ mipi_dsi_dcs_write_seq(dsi, 0x39, 0x00);
+
+ ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x9a);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set pixel format: %d\n", ret);
+ return ret;
+ }
+
+ mipi_dsi_dcs_write_seq(dsi, 0x3b, 0xa0);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_3D_CONTROL, 0x42);
+ mipi_dsi_dcs_write_seq(dsi, 0x3f, 0x06);
+ mipi_dsi_dcs_write_seq(dsi, 0x43, 0x06);
+ mipi_dsi_dcs_write_seq(dsi, 0x47, 0x66);
+ mipi_dsi_dcs_write_seq(dsi, 0x4a, 0x9a);
+ mipi_dsi_dcs_write_seq(dsi, 0x4b, 0xa0);
+ mipi_dsi_dcs_write_seq(dsi, 0x4c, 0x91);
+ mipi_dsi_dcs_write_seq(dsi, 0x4d, 0x21);
+ mipi_dsi_dcs_write_seq(dsi, 0x4e, 0x43);
+
+ ret = mipi_dsi_dcs_set_display_brightness(dsi, 18);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set display brightness: %d\n", ret);
+ return ret;
+ }
+
+ mipi_dsi_dcs_write_seq(dsi, 0x52, 0x34);
+ mipi_dsi_dcs_write_seq(dsi, 0x55, 0x82, 0x02);
+ mipi_dsi_dcs_write_seq(dsi, 0x56, 0x04);
+ mipi_dsi_dcs_write_seq(dsi, 0x58, 0x21);
+ mipi_dsi_dcs_write_seq(dsi, 0x59, 0x30);
+ mipi_dsi_dcs_write_seq(dsi, 0x5a, 0xba);
+ mipi_dsi_dcs_write_seq(dsi, 0x5b, 0xa0);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS, 0x00, 0x06);
+ mipi_dsi_dcs_write_seq(dsi, 0x5f, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x65, 0x82);
+ mipi_dsi_dcs_write_seq(dsi, 0x7e, 0x20);
+ mipi_dsi_dcs_write_seq(dsi, 0x7f, 0x3c);
+ mipi_dsi_dcs_write_seq(dsi, 0x82, 0x04);
+ mipi_dsi_dcs_write_seq(dsi, 0x97, 0xc0);
+ mipi_dsi_dcs_write_seq(dsi, 0xb6,
+ 0x05, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
+ 0x05, 0x00, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x92, 0xc4);
+ mipi_dsi_dcs_write_seq(dsi, 0x93, 0x1a);
+ mipi_dsi_dcs_write_seq(dsi, 0x94, 0x5f);
+ mipi_dsi_dcs_write_seq(dsi, 0xd7, 0x55);
+ mipi_dsi_dcs_write_seq(dsi, 0xda, 0x0a);
+ mipi_dsi_dcs_write_seq(dsi, 0xde, 0x08);
+ mipi_dsi_dcs_write_seq(dsi, 0xdb, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, 0xdc, 0xc4);
+ mipi_dsi_dcs_write_seq(dsi, 0xdd, 0x22);
+ mipi_dsi_dcs_write_seq(dsi, 0xdf, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, 0xe0, 0xc4);
+ mipi_dsi_dcs_write_seq(dsi, 0xe1, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, 0xe2, 0xc4);
+ mipi_dsi_dcs_write_seq(dsi, 0xe3, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, 0xe4, 0xc4);
+ mipi_dsi_dcs_write_seq(dsi, 0xe5, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, 0xe6, 0xc4);
+ mipi_dsi_dcs_write_seq(dsi, 0x5c, 0x88);
+ mipi_dsi_dcs_write_seq(dsi, 0x5d, 0x08);
+ mipi_dsi_dcs_write_seq(dsi, 0x8d, 0x88);
+ mipi_dsi_dcs_write_seq(dsi, 0x8e, 0x08);
+ mipi_dsi_dcs_write_seq(dsi, 0xb5, 0x90);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x25);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x05, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x19, 0x07);
+ mipi_dsi_dcs_write_seq(dsi, 0x1f, 0xba);
+ mipi_dsi_dcs_write_seq(dsi, 0x20, 0xa0);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_GAMMA_CURVE, 0xba);
+ mipi_dsi_dcs_write_seq(dsi, 0x27, 0xa0);
+ mipi_dsi_dcs_write_seq(dsi, 0x33, 0xba);
+ mipi_dsi_dcs_write_seq(dsi, 0x34, 0xa0);
+ mipi_dsi_dcs_write_seq(dsi, 0x3f, 0xe0);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_VSYNC_TIMING, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x44, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_GET_SCANLINE, 0x40);
+ mipi_dsi_dcs_write_seq(dsi, 0x48, 0xba);
+ mipi_dsi_dcs_write_seq(dsi, 0x49, 0xa0);
+ mipi_dsi_dcs_write_seq(dsi, 0x5b, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x5c, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x5d, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS, 0xd0);
+ mipi_dsi_dcs_write_seq(dsi, 0x61, 0xba);
+ mipi_dsi_dcs_write_seq(dsi, 0x62, 0xa0);
+ mipi_dsi_dcs_write_seq(dsi, 0xf1, 0x10);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x2a);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x64, 0x16);
+ mipi_dsi_dcs_write_seq(dsi, 0x67, 0x16);
+ mipi_dsi_dcs_write_seq(dsi, 0x6a, 0x16);
+ mipi_dsi_dcs_write_seq(dsi, 0x70, 0x30);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_READ_PPS_START, 0xf3);
+ mipi_dsi_dcs_write_seq(dsi, 0xa3, 0xff);
+ mipi_dsi_dcs_write_seq(dsi, 0xa4, 0xff);
+ mipi_dsi_dcs_write_seq(dsi, 0xa5, 0xff);
+ mipi_dsi_dcs_write_seq(dsi, 0xd6, 0x08);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x26);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x00, 0xa1);
+ mipi_dsi_dcs_write_seq(dsi, 0x0a, 0xf2);
+ mipi_dsi_dcs_write_seq(dsi, 0x04, 0x28);
+ mipi_dsi_dcs_write_seq(dsi, 0x06, 0x30);
+ mipi_dsi_dcs_write_seq(dsi, 0x0c, 0x13);
+ mipi_dsi_dcs_write_seq(dsi, 0x0d, 0x0a);
+ mipi_dsi_dcs_write_seq(dsi, 0x0f, 0x0a);
+ mipi_dsi_dcs_write_seq(dsi, 0x11, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x12, 0x50);
+ mipi_dsi_dcs_write_seq(dsi, 0x13, 0x51);
+ mipi_dsi_dcs_write_seq(dsi, 0x14, 0x65);
+ mipi_dsi_dcs_write_seq(dsi, 0x15, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x16, 0x10);
+ mipi_dsi_dcs_write_seq(dsi, 0x17, 0xa0);
+ mipi_dsi_dcs_write_seq(dsi, 0x18, 0x86);
+ mipi_dsi_dcs_write_seq(dsi, 0x19, 0x11);
+ mipi_dsi_dcs_write_seq(dsi, 0x1a, 0x7b);
+ mipi_dsi_dcs_write_seq(dsi, 0x1b, 0x10);
+ mipi_dsi_dcs_write_seq(dsi, 0x1c, 0xbb);
+ mipi_dsi_dcs_write_seq(dsi, 0x22, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x23, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x2a, 0x11);
+ mipi_dsi_dcs_write_seq(dsi, 0x2b, 0x7b);
+ mipi_dsi_dcs_write_seq(dsi, 0x1d, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x1e, 0xc3);
+ mipi_dsi_dcs_write_seq(dsi, 0x1f, 0xc3);
+ mipi_dsi_dcs_write_seq(dsi, 0x24, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x25, 0xc3);
+ mipi_dsi_dcs_write_seq(dsi, 0x2f, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_ROWS, 0xc3);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_COLUMNS, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x32, 0xc3);
+ mipi_dsi_dcs_write_seq(dsi, 0x39, 0x00);
+
+ ret = mipi_dsi_dcs_set_pixel_format(dsi, 0xc3);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set pixel format: %d\n", ret);
+ return ret;
+ }
+
+ mipi_dsi_dcs_write_seq(dsi, 0x20, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x33, 0x11);
+ mipi_dsi_dcs_write_seq(dsi, 0x34, 0x78);
+ mipi_dsi_dcs_write_seq(dsi, 0x35, 0x16);
+ mipi_dsi_dcs_write_seq(dsi, 0xc8, 0x04);
+ mipi_dsi_dcs_write_seq(dsi, 0xc9, 0x82);
+ mipi_dsi_dcs_write_seq(dsi, 0xca, 0x4e);
+ mipi_dsi_dcs_write_seq(dsi, 0xcb, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_READ_PPS_CONTINUE, 0x4c);
+ mipi_dsi_dcs_write_seq(dsi, 0xaa, 0x47);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x27);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x56, 0x06);
+ mipi_dsi_dcs_write_seq(dsi, 0x58, 0x80);
+ mipi_dsi_dcs_write_seq(dsi, 0x59, 0x53);
+ mipi_dsi_dcs_write_seq(dsi, 0x5a, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x5b, 0x14);
+ mipi_dsi_dcs_write_seq(dsi, 0x5c, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x5d, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS, 0x20);
+ mipi_dsi_dcs_write_seq(dsi, 0x5f, 0x10);
+ mipi_dsi_dcs_write_seq(dsi, 0x60, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x61, 0x1d);
+ mipi_dsi_dcs_write_seq(dsi, 0x62, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x63, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x64, 0x24);
+ mipi_dsi_dcs_write_seq(dsi, 0x65, 0x1c);
+ mipi_dsi_dcs_write_seq(dsi, 0x66, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x67, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x68, 0x25);
+ mipi_dsi_dcs_write_seq(dsi, 0x00, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x78, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0xc3, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0xd1, 0x24);
+ mipi_dsi_dcs_write_seq(dsi, 0xd2, 0x30);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x2a);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x22, 0x2f);
+ mipi_dsi_dcs_write_seq(dsi, 0x23, 0x08);
+ mipi_dsi_dcs_write_seq(dsi, 0x24, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x25, 0xc3);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_GAMMA_CURVE, 0xf8);
+ mipi_dsi_dcs_write_seq(dsi, 0x27, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x28, 0x1a);
+ mipi_dsi_dcs_write_seq(dsi, 0x29, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x2a, 0x1a);
+ mipi_dsi_dcs_write_seq(dsi, 0x2b, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_LUT, 0x1a);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0xe0);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x14, 0x60);
+ mipi_dsi_dcs_write_seq(dsi, 0x16, 0xc0);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0xf0);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+
+ ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x08);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set pixel format: %d\n", ret);
+ return ret;
+ }
+
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x24);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+
+ ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x5d);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set pixel format: %d\n", ret);
+ return ret;
+ }
+
+ mipi_dsi_dcs_write_seq(dsi, 0x3b, 0x60);
+ mipi_dsi_dcs_write_seq(dsi, 0x4a, 0x5d);
+ mipi_dsi_dcs_write_seq(dsi, 0x4b, 0x60);
+ mipi_dsi_dcs_write_seq(dsi, 0x5a, 0x70);
+ mipi_dsi_dcs_write_seq(dsi, 0x5b, 0x60);
+ mipi_dsi_dcs_write_seq(dsi, 0x91, 0x44);
+ mipi_dsi_dcs_write_seq(dsi, 0x92, 0x75);
+ mipi_dsi_dcs_write_seq(dsi, 0xdb, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, 0xdc, 0x75);
+ mipi_dsi_dcs_write_seq(dsi, 0xdd, 0x22);
+ mipi_dsi_dcs_write_seq(dsi, 0xdf, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, 0xe0, 0x75);
+ mipi_dsi_dcs_write_seq(dsi, 0xe1, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, 0xe2, 0x75);
+ mipi_dsi_dcs_write_seq(dsi, 0xe3, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, 0xe4, 0x75);
+ mipi_dsi_dcs_write_seq(dsi, 0xe5, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, 0xe6, 0x75);
+ mipi_dsi_dcs_write_seq(dsi, 0x5c, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x5d, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x8d, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x8e, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x25);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x1f, 0x70);
+ mipi_dsi_dcs_write_seq(dsi, 0x20, 0x60);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_GAMMA_CURVE, 0x70);
+ mipi_dsi_dcs_write_seq(dsi, 0x27, 0x60);
+ mipi_dsi_dcs_write_seq(dsi, 0x33, 0x70);
+ mipi_dsi_dcs_write_seq(dsi, 0x34, 0x60);
+ mipi_dsi_dcs_write_seq(dsi, 0x48, 0x70);
+ mipi_dsi_dcs_write_seq(dsi, 0x49, 0x60);
+ mipi_dsi_dcs_write_seq(dsi, 0x5b, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x61, 0x70);
+ mipi_dsi_dcs_write_seq(dsi, 0x62, 0x60);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x26);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x02, 0x31);
+ mipi_dsi_dcs_write_seq(dsi, 0x19, 0x0a);
+ mipi_dsi_dcs_write_seq(dsi, 0x1a, 0x7f);
+ mipi_dsi_dcs_write_seq(dsi, 0x1b, 0x0a);
+ mipi_dsi_dcs_write_seq(dsi, 0x1c, 0x0c);
+ mipi_dsi_dcs_write_seq(dsi, 0x2a, 0x0a);
+ mipi_dsi_dcs_write_seq(dsi, 0x2b, 0x7f);
+ mipi_dsi_dcs_write_seq(dsi, 0x1e, 0x75);
+ mipi_dsi_dcs_write_seq(dsi, 0x1f, 0x75);
+ mipi_dsi_dcs_write_seq(dsi, 0x25, 0x75);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_ROWS, 0x75);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_COLUMNS, 0x05);
+ mipi_dsi_dcs_write_seq(dsi, 0x32, 0x8d);
+
+ ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x75);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set pixel format: %d\n", ret);
+ return ret;
+ }
+
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x2a);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x25, 0x75);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x10);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x20);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0x18, 0x40);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x10);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+ mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x02);
+
+ ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set tear on: %d\n", ret);
+ return ret;
+ }
+
+ mipi_dsi_dcs_write_seq(dsi, 0xbb, 0x13);
+ mipi_dsi_dcs_write_seq(dsi, 0x3b, 0x03, 0x5f, 0x1a, 0x04, 0x04);
+ mipi_dsi_dcs_write_seq(dsi, 0xff, 0x10);
+ usleep_range(10000, 11000);
+ mipi_dsi_dcs_write_seq(dsi, 0xfb, 0x01);
+
+ ret = mipi_dsi_dcs_set_display_brightness(dsi, 0);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set display brightness: %d\n", ret);
+ return ret;
+ }
+
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x2c);
+ mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_POWER_SAVE, 0x00);
+ mipi_dsi_dcs_write_seq(dsi, 0x68, 0x05, 0x01);
+
+ ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
+ if (ret < 0) {
+ dev_err(dev, "Failed to exit sleep mode: %d\n", ret);
+ return ret;
+ }
+ msleep(100);
+
+ ret = mipi_dsi_dcs_set_display_on(dsi);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set display on: %d\n", ret);
+ return ret;
+ }
+ msleep(30);
+
+ return 0;
+}
+
+static int nt36523w_boe_off(struct nt36523w_boe *ctx)
+{
+ struct mipi_dsi_device *dsi = ctx->dsi;
+ struct device *dev = &dsi->dev;
+ int ret;
+
+ ret = mipi_dsi_dcs_set_display_off(dsi);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set display off: %d\n", ret);
+ return ret;
+ }
+
+ ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
+ if (ret < 0) {
+ dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
+ return ret;
+ }
+ msleep(80);
+
+ return 0;
+}
+
+static int nt36523w_boe_prepare(struct drm_panel *panel)
+{
+ struct nt36523w_boe *ctx = to_nt36523w_boe(panel);
+ struct device *dev = &ctx->dsi->dev;
+ int ret;
+
+ if (ctx->prepared)
+ return 0;
+
+ ret = regulator_enable(ctx->supply);
+ if (ret < 0) {
+ dev_err(dev, "Failed to enable regulator: %d\n", ret);
+ return ret;
+ }
+
+ nt36523w_boe_reset(ctx);
+
+ ret = nt36523w_boe_on(ctx);
+ if (ret < 0) {
+ dev_err(dev, "Failed to initialize panel: %d\n", ret);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+ regulator_disable(ctx->supply);
+ return ret;
+ }
+
+ ctx->prepared = true;
+ return 0;
+}
+
+static int nt36523w_boe_unprepare(struct drm_panel *panel)
+{
+ struct nt36523w_boe *ctx = to_nt36523w_boe(panel);
+ struct device *dev = &ctx->dsi->dev;
+ int ret;
+
+ if (!ctx->prepared)
+ return 0;
+
+ ret = nt36523w_boe_off(ctx);
+ if (ret < 0)
+ dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
+
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+ regulator_disable(ctx->supply);
+
+ ctx->prepared = false;
+ return 0;
+}
+
+static const struct drm_display_mode nt36523w_boe_mode = {
+ .clock = (1200 + 58 + 2 + 60) * (2000 + 26 + 2 + 93) * 60 / 1000,
+ .hdisplay = 1200,
+ .hsync_start = 1200 + 58,
+ .hsync_end = 1200 + 58 + 2,
+ .htotal = 1200 + 58 + 2 + 60,
+ .vdisplay = 2000,
+ .vsync_start = 2000 + 26,
+ .vsync_end = 2000 + 26 + 2,
+ .vtotal = 2000 + 26 + 2 + 93,
+ .width_mm = 143,
+ .height_mm = 235,
+};
+
+static int nt36523w_boe_get_modes(struct drm_panel *panel, struct drm_connector *connector)
+{
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_duplicate(connector->dev, &nt36523w_boe_mode);
+ if (!mode)
+ return -ENOMEM;
+
+ drm_mode_set_name(mode);
+
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static enum drm_panel_orientation nt36523w_boe_panel_get_orientation(struct drm_panel *panel)
+{
+ struct nt36523w_boe *ctx = to_nt36523w_boe(panel);
+
+ return ctx->orientation;
+}
+
+static const struct drm_panel_funcs nt36523w_boe_panel_funcs = {
+ .prepare = nt36523w_boe_prepare,
+ .unprepare = nt36523w_boe_unprepare,
+ .get_modes = nt36523w_boe_get_modes,
+ .get_orientation = nt36523w_boe_panel_get_orientation,
+};
+
+static int nt36523w_boe_bl_update_status(struct backlight_device *bl)
+{
+ struct mipi_dsi_device *dsi = bl_get_data(bl);
+ u16 brightness = backlight_get_brightness(bl);
+ int ret;
+
+ dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+ ret = mipi_dsi_dcs_set_display_brightness_large(dsi, brightness);
+ if (ret < 0)
+ return ret;
+
+ dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+ return 0;
+}
+
+static int nt36523w_boe_bl_get_brightness(struct backlight_device *bl)
+{
+ struct mipi_dsi_device *dsi = bl_get_data(bl);
+ u16 brightness;
+ int ret;
+
+ dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+ ret = mipi_dsi_dcs_get_display_brightness_large(dsi, &brightness);
+ if (ret < 0)
+ return ret;
+
+ dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+ return brightness;
+}
+
+static const struct backlight_ops nt36523w_boe_bl_ops = {
+ .update_status = nt36523w_boe_bl_update_status,
+ .get_brightness = nt36523w_boe_bl_get_brightness,
+};
+
+static struct backlight_device *nt36523w_boe_create_backlight(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ const struct backlight_properties props = {
+ .type = BACKLIGHT_RAW,
+ .brightness = 512,
+ .max_brightness = 4095,
+ };
+
+ return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
+ &nt36523w_boe_bl_ops, &props);
+}
+
+static int nt36523w_boe_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct nt36523w_boe *ctx;
+ int ret;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ ctx->supply = devm_regulator_get(dev, "vddio");
+ if (IS_ERR(ctx->supply))
+ return dev_err_probe(dev, PTR_ERR(ctx->supply),
+ "Failed to get vddio regulator\n");
+
+ ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(ctx->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
+ "Failed to get reset-gpios\n");
+
+ ctx->dsi = dsi;
+ mipi_dsi_set_drvdata(dsi, ctx);
+
+ dsi->lanes = 4;
+ dsi->format = MIPI_DSI_FMT_RGB888;
+ dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM;
+
+ drm_panel_init(&ctx->panel, dev, &nt36523w_boe_panel_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+
+ ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
+ if (ret < 0) {
+ dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret);
+ return ret;
+ }
+
+ ctx->panel.backlight = nt36523w_boe_create_backlight(dsi);
+ if (IS_ERR(ctx->panel.backlight))
+ return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight),
+ "Failed to create backlight\n");
+
+ drm_panel_add(&ctx->panel);
+
+ ret = mipi_dsi_attach(dsi);
+ if (ret < 0) {
+ dev_err(dev, "Failed to attach to DSI host: %d\n", ret);
+ drm_panel_remove(&ctx->panel);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void nt36523w_boe_remove(struct mipi_dsi_device *dsi)
+{
+ struct nt36523w_boe *ctx = mipi_dsi_get_drvdata(dsi);
+ int ret;
+
+ ret = mipi_dsi_detach(dsi);
+ if (ret < 0)
+ dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
+
+ drm_panel_remove(&ctx->panel);
+}
+
+static const struct of_device_id nt36523w_boe_of_match[] = {
+ { .compatible = "lenovo,nt36523w-boe-j606" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, nt36523w_boe_of_match);
+
+static struct mipi_dsi_driver nt36523w_boe_driver = {
+ .probe = nt36523w_boe_probe,
+ .remove = nt36523w_boe_remove,
+ .driver = {
+ .name = "panel-nt36523w-boe-2k",
+ .of_match_table = nt36523w_boe_of_match,
+ },
+};
+module_mipi_dsi_driver(nt36523w_boe_driver);
+
+MODULE_DESCRIPTION("DRM panel driver for Lenovo Tab P11 BOE panel");
+MODULE_LICENSE("GPL");
--
2.39.2
^ permalink raw reply [flat|nested] 8+ messages in thread