---
MAINTAINERS | 5 +
drivers/gpu/drm/panel/Kconfig | 9 +
drivers/gpu/drm/panel/Makefile | 1 +
drivers/gpu/drm/panel/panel-ilitek-ili9806e.c | 402 ++++++++++++++++++
4 files changed, 417 insertions(+)
create mode 100644 drivers/gpu/drm/panel/panel-ilitek-ili9806e.c
diff --git a/MAINTAINERS b/MAINTAINERS
index e2d8fdda1737..61352f26f2d9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7003,6 +7003,11 @@ S: Maintained
F: Documentation/devicetree/bindings/display/panel/ilitek,ili9805.yaml
F: drivers/gpu/drm/panel/panel-ilitek-ili9805.c
+DRM DRIVER FOR ILITEK ILI9806E PANELS
+M: Michael Walle <mwa...@kernel.org>
+S: Maintained
+F: drivers/gpu/drm/panel/panel-ilitek-ili9806e.c
+
DRM DRIVER FOR JADARD JD9365DA-H3 MIPI-DSI LCD PANELS
M: Jagan Teki <ja...@edgeble.ai>
S: Maintained
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index bf4eadfe21cb..904a928bc60e 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -205,6 +205,15 @@ config DRM_PANEL_ILITEK_ILI9805
Say Y if you want to enable support for panels based on the
Ilitek ILI9805 controller.
+config DRM_PANEL_ILITEK_ILI9806E
+ tristate "Ilitek ILI9806E-based panels"
+ depends on OF
+ depends on DRM_MIPI_DSI
+ depends on BACKLIGHT_CLASS_DEVICE
+ help
+ Say Y if you want to enable support for panels based on the
+ Ilitek ILI9806E controller.
+
config DRM_PANEL_ILITEK_ILI9881C
tristate "Ilitek ILI9881C-based panels"
depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 051b75b3df7b..12ce91416849 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_DRM_PANEL_HIMAX_HX8394) += panel-himax-hx8394.o
obj-$(CONFIG_DRM_PANEL_ILITEK_IL9322) += panel-ilitek-ili9322.o
obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9341) += panel-ilitek-ili9341.o
obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9805) += panel-ilitek-ili9805.o
+obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9806E) += panel-ilitek-ili9806e.o
obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o
obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9882T) += panel-ilitek-ili9882t.o
obj-$(CONFIG_DRM_PANEL_INNOLUX_EJ030NA) += panel-innolux-ej030na.o
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9806e.c
b/drivers/gpu/drm/panel/panel-ilitek-ili9806e.c
new file mode 100644
index 000000000000..e4a44cd26c4d
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9806e.c
@@ -0,0 +1,402 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/gpio/consumer.h>
+#include <linux/kernel.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/property.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_probe_helper.h>
+
+#include <video/mipi_display.h>
+
+struct panel_desc {
+ const struct drm_display_mode *display_mode;
+ unsigned long mode_flags;
+ enum mipi_dsi_pixel_format format;
+ unsigned int lanes;
+ void (*init_sequence)(struct mipi_dsi_multi_context *ctx);
+};
+
+struct ili9806e_panel {
+ struct drm_panel panel;
+ struct mipi_dsi_device *dsi;
+ struct gpio_desc *reset_gpio;
+ struct regulator_bulk_data supplies[2];
+ const struct panel_desc *desc;
+ enum drm_panel_orientation orientation;
+};
+
+static const char * const regulator_names[] = {
+ "vdd",
+ "vccio",
+};
+
+static inline struct ili9806e_panel *to_ili9806e_panel(struct drm_panel *panel)
+{
+ return container_of(panel, struct ili9806e_panel, panel);
+}
+
+static int ili9806e_power_on(struct ili9806e_panel *ctx)
+{
+ struct mipi_dsi_device *dsi = ctx->dsi;
+ int ret;
+
+ gpiod_set_value(ctx->reset_gpio, 1);
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+ if (ret < 0) {
+ dev_err(&dsi->dev, "regulator bulk enable failed: %d\n", ret);
+ return ret;
+ }
+
+ usleep_range(10000, 20000);
+ gpiod_set_value(ctx->reset_gpio, 0);
+ usleep_range(10000, 20000);
+
+ return 0;
+}
+
+static int ili9806e_power_off(struct ili9806e_panel *ctx)
+{
+ struct mipi_dsi_device *dsi = ctx->dsi;
+ int ret;
+
+ gpiod_set_value(ctx->reset_gpio, 1);
+
+ ret = regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+ if (ret)
+ dev_err(&dsi->dev, "regulator bulk disable failed: %d\n", ret);
+
+ return ret;
+}
+
+static int ili9806e_on(struct ili9806e_panel *ili9806e)
+{
+ struct mipi_dsi_multi_context ctx = { .dsi = ili9806e->dsi };
+
+ if (ili9806e->desc->init_sequence)
+ ili9806e->desc->init_sequence(&ctx);
+
+ mipi_dsi_dcs_exit_sleep_mode_multi(&ctx);
+ mipi_dsi_msleep(&ctx, 120);
+ mipi_dsi_dcs_set_display_on_multi(&ctx);
+
+ return ctx.accum_err;
+}
+
+static int ili9806e_off(struct ili9806e_panel *panel)
+{
+ struct mipi_dsi_multi_context ctx = { .dsi = panel->dsi };
+
+ mipi_dsi_dcs_set_display_off_multi(&ctx);
+ mipi_dsi_dcs_enter_sleep_mode_multi(&ctx);
+ mipi_dsi_msleep(&ctx, 120);
+
+ return ctx.accum_err;
+}
+
+static int ili9806e_prepare(struct drm_panel *panel)
+{
+ struct ili9806e_panel *ctx = to_ili9806e_panel(panel);
+ int ret;
+
+ ret = ili9806e_power_on(ctx);
+ if (ret < 0)
+ return ret;
+
+ ret = ili9806e_on(ctx);
+ if (ret < 0) {
+ ili9806e_power_off(ctx);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ili9806e_unprepare(struct drm_panel *panel)
+{
+ struct ili9806e_panel *ctx = to_ili9806e_panel(panel);
+ struct mipi_dsi_device *dsi = ctx->dsi;
+ int ret;
+
+ ili9806e_off(ctx);
+
+ ret = ili9806e_power_off(ctx);
+ if (ret < 0)
+ dev_err(&dsi->dev, "power off failed: %d\n", ret);
+
+ return ret;
+}
+
+static int ili9806e_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct ili9806e_panel *ctx = to_ili9806e_panel(panel);
+ const struct drm_display_mode *mode = ctx->desc->display_mode;
+
+ return drm_connector_helper_get_modes_fixed(connector, mode);
+}
+
+static enum drm_panel_orientation ili9806e_get_orientation(struct drm_panel
*panel)
+{
+ struct ili9806e_panel *ctx = to_ili9806e_panel(panel);
+
+ return ctx->orientation;
+}
+
+static const struct drm_panel_funcs ili9806e_funcs = {
+ .prepare = ili9806e_prepare,
+ .unprepare = ili9806e_unprepare,
+ .get_modes = ili9806e_get_modes,
+ .get_orientation = ili9806e_get_orientation,
+};
+
+static int ili9806e_dsi_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct ili9806e_panel *ctx;
+ int i, ret;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ ctx->desc = device_get_match_data(dev);
+
+ for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++)
+ ctx->supplies[i].supply = regulator_names[i];
+
+ ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
+ ctx->supplies);
+ if (ret < 0)
+ return ret;
+
+ ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(ctx->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
+ "Failed to get reset-gpios\n");
+
+ mipi_dsi_set_drvdata(dsi, ctx);
+ ctx->dsi = dsi;
+
+ dsi->mode_flags = ctx->desc->mode_flags;
+ dsi->format = ctx->desc->format;
+ dsi->lanes = ctx->desc->lanes;
+
+ drm_panel_init(&ctx->panel, dev, &ili9806e_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+
+ ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to get orientation\n");
+
+ ret = drm_panel_of_backlight(&ctx->panel);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to get backlight\n");
+
+ ctx->panel.prepare_prev_first = true;
+ drm_panel_add(&ctx->panel);
+
+ ret = mipi_dsi_attach(dsi);
+ if (ret < 0) {
+ dev_err_probe(dev, ret, "Failed to attach to DSI host\n");
+ drm_panel_remove(&ctx->panel);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void ili9806e_dsi_remove(struct mipi_dsi_device *dsi)
+{
+ struct ili9806e_panel *ctx = mipi_dsi_get_drvdata(dsi);
+
+ mipi_dsi_detach(dsi);
+ drm_panel_remove(&ctx->panel);
+}
+
+static void com35h3p70ulc_init(struct mipi_dsi_multi_context *ctx)
+{
+ /* Switch to page 1 */
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xff, 0xff, 0x98, 0x06, 0x04, 0x01);
+ /* Interface Settings */
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x08, 0x18);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x21, 0x01);
+ /* Panel Settings */
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x30, 0x03);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x31, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x60, 0x0d);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x61, 0x08);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x62, 0x08);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x63, 0x09);
+ /* Power Control */
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x40, 0x30);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x41, 0x44);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x42, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x43, 0x89);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x44, 0x8e);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x45, 0xd9);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x46, 0x33);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x47, 0x33);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x50, 0x90);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x51, 0x90);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x56, 0x00);
+ /* Gamma Settings */
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xa0, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xa1, 0x0c);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xa2, 0x13);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xa3, 0x0f);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xa4, 0x0a);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xa5, 0x0d);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xa6, 0x0c);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xa7, 0x0b);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xa8, 0x01);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xa9, 0x06);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xaa, 0x15);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xab, 0x07);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xac, 0x12);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xad, 0x28);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xae, 0x20);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xaf, 0x14);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xc0, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xc1, 0x0c);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xc2, 0x13);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xc3, 0x0f);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xc4, 0x09);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xc5, 0x0d);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xc6, 0x0c);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xc7, 0x0b);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xc8, 0x01);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xc9, 0x06);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xca, 0x14);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xcb, 0x07);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xcc, 0x0f);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xcd, 0x21);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xce, 0x17);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xcf, 0x0a);
+
+ /* Switch to page 7 */
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xff, 0xff, 0x98, 0x06, 0x04, 0x07);
+ /* Power Control */
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x06, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x18, 0x1d);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x17, 0x32);
+
+ /* Switch to page 6 */
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xff, 0xff, 0x98, 0x06, 0x04, 0x06);
+ /* GIP settings */
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x00, 0x20);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x01, 0x02);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x02, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x03, 0x02);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x04, 0x01);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x05, 0x01);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x06, 0x88);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x07, 0x04);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x08, 0x03);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x09, 0x80);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x0a, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x0b, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x0c, 0x01);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x0d, 0x01);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x0e, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x0f, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x10, 0x55);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x11, 0x50);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x12, 0x01);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x13, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x14, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x15, 0x43);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x16, 0x0b);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x17, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x18, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x19, 0x10);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x1a, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x1b, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x1c, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x1d, 0x00);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x20, 0x01);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x21, 0x23);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x22, 0x45);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x23, 0x67);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x24, 0x01);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x25, 0x23);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x26, 0x45);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x27, 0x67);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x30, 0x02);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x31, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x32, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x33, 0x88);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x34, 0xaa);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x35, 0xbb);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x36, 0x66);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x37, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x38, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x39, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x3a, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x3b, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x3c, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x3d, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x3e, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x3f, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x40, 0x22);
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x53, 0x12);
+
+ /* Switch to page 0 */
+ mipi_dsi_dcs_write_seq_multi(ctx, 0xff, 0xff, 0x98, 0x06, 0x04, 0x00);
+ /* Interface Pixel format */
+ mipi_dsi_dcs_write_seq_multi(ctx, 0x3a, 0x60);
+};
+
+static const struct drm_display_mode com35h3p70ulc_default_mode = {
+ .clock = 22400,
+ .hdisplay = 480,
+ .hsync_start = 480 + 16,
+ .hsync_end = 480 + 16 + 16,
+ .htotal = 480 + 16 + 16 + 16,
+ .vdisplay = 640,
+ .vsync_start = 640 + 52,
+ .vsync_end = 640 + 52 + 4,
+ .vtotal = 640 + 52 + 4 + 16,
+ .width_mm = 53,
+ .height_mm = 71,
+};
+
+static const struct panel_desc com35h3p70ulc_desc = {
+ .init_sequence = com35h3p70ulc_init,
+ .display_mode = &com35h3p70ulc_default_mode,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_MODE_LPM,
+ .format = MIPI_DSI_FMT_RGB888,
+ .lanes = 2,
+};
+
+static const struct of_device_id ili9806e_of_match[] = {
+ { .compatible = "ortustech,com35h3p70ulc", .data = &com35h3p70ulc_desc
},
+ { }
+};
+MODULE_DEVICE_TABLE(of, ili9806e_of_match);
+
+static struct mipi_dsi_driver ili9806e_dsi_driver = {
+ .driver = {
+ .name = "ili9806e-dsi",
+ .of_match_table = ili9806e_of_match,
+ },
+ .probe = ili9806e_dsi_probe,
+ .remove = ili9806e_dsi_remove,
+};
+module_mipi_dsi_driver(ili9806e_dsi_driver);
+
+MODULE_AUTHOR("Gunnar Dibbern <gunnar.dibb...@lht.dlh.de>");
+MODULE_AUTHOR("Michael Walle <mwa...@kernel.org>");
+MODULE_DESCRIPTION("Ilitek ILI9806E Controller Driver");
+MODULE_LICENSE("GPL");
--
2.39.2
