drm/panel: simple: Add URT UMSH-8596MD-xT panels support

Add support for United Radiant Technology UMSH-8596MD-xT 7.0" WVGA TFT
LCD panels in the simple-panel driver.

Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/gpu/drm/panel/panel-simple.c

@@ -1200,6 +1200,42 @@ static const struct panel_desc shelly_sca07010_bfn_lnn = {
 	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
 };
 
+static const struct display_timing urt_umsh_8596md_timing = {
+	.pixelclock = { 33260000, 33260000, 33260000 },
+	.hactive = { 800, 800, 800 },
+	.hfront_porch = { 41, 41, 41 },
+	.hback_porch = { 216 - 128, 216 - 128, 216 - 128 },
+	.hsync_len = { 71, 128, 128 },
+	.vactive = { 480, 480, 480 },
+	.vfront_porch = { 10, 10, 10 },
+	.vback_porch = { 35 - 2, 35 - 2, 35 - 2 },
+	.vsync_len = { 2, 2, 2 },
+	.flags = DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_NEGEDGE |
+		DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
+};
+
+static const struct panel_desc urt_umsh_8596md_lvds = {
+	.timings = &urt_umsh_8596md_timing,
+	.num_timings = 1,
+	.bpc = 6,
+	.size = {
+		.width = 152,
+		.height = 91,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
+};
+
+static const struct panel_desc urt_umsh_8596md_parallel = {
+	.timings = &urt_umsh_8596md_timing,
+	.num_timings = 1,
+	.bpc = 6,
+	.size = {
+		.width = 152,
+		.height = 91,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+};
+
 static const struct of_device_id platform_of_match[] = {
 	{
 		.compatible = "ampire,am800480r3tmqwa1h",
@@ -1306,6 +1342,24 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "shelly,sca07010-bfn-lnn",
 		.data = &shelly_sca07010_bfn_lnn,
+	}, {
+		.compatible = "urt,umsh-8596md-t",
+		.data = &urt_umsh_8596md_parallel,
+	}, {
+		.compatible = "urt,umsh-8596md-1t",
+		.data = &urt_umsh_8596md_parallel,
+	}, {
+		.compatible = "urt,umsh-8596md-7t",
+		.data = &urt_umsh_8596md_parallel,
+	}, {
+		.compatible = "urt,umsh-8596md-11t",
+		.data = &urt_umsh_8596md_lvds,
+	}, {
+		.compatible = "urt,umsh-8596md-19t",
+		.data = &urt_umsh_8596md_lvds,
+	}, {
+		.compatible = "urt,umsh-8596md-20t",
+		.data = &urt_umsh_8596md_parallel,
 	}, {
 		/* sentinel */
 	}