drm/panel: simple: Add PrimeView PM070WL4 support

Add support for PrimeView PM070WL4 7.0" (800x480) TFT-LCD panel.
Datasheet can be found at [1].

[1] https://www.beyondinfinite.com/lcd/Library/Pvi/PM070WL4-V1.0.pdfSigned-off-by: Primoz Fiser <primoz.fiser@norik.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240606080104.3663355-3-primoz.fiser@norik.comSigned-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240606080104.3663355-3-primoz.fiser@norik.com

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

@@ -3640,6 +3640,32 @@ static const struct panel_desc powertip_ph800480t013_idf02  = {
 	.connector_type = DRM_MODE_CONNECTOR_DPI,
 };
 
+static const struct drm_display_mode primeview_pm070wl4_mode = {
+	.clock = 32000,
+	.hdisplay = 800,
+	.hsync_start = 800 + 42,
+	.hsync_end = 800 + 42 + 128,
+	.htotal = 800 + 42 + 128 + 86,
+	.vdisplay = 480,
+	.vsync_start = 480 + 10,
+	.vsync_end = 480 + 10 + 2,
+	.vtotal = 480 + 10 + 2 + 33,
+	.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+};
+
+static const struct panel_desc primeview_pm070wl4 = {
+	.modes = &primeview_pm070wl4_mode,
+	.num_modes = 1,
+	.bpc = 6,
+	.size = {
+		.width = 152,
+		.height = 91,
+	},
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE,
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+	.connector_type = DRM_MODE_CONNECTOR_DPI,
+};
+
 static const struct drm_display_mode qd43003c0_40_mode = {
 	.clock = 9000,
 	.hdisplay = 480,
@@ -4807,6 +4833,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "powertip,ph800480t013-idf02",
 		.data = &powertip_ph800480t013_idf02,
+	}, {
+		.compatible = "primeview,pm070wl4",
+		.data = &primeview_pm070wl4,
 	}, {
 		.compatible = "qiaodian,qd43003c0-40",
 		.data = &qd43003c0_40,