drm/panel: simple: Add Sharp LS020B1DD01D panel support

The Sharp LS020B1DD01D is a simple 2.0" 240x160 16-bit TFT panel.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190603153120.23947-3-paul@crapouillou.net

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

@@ -2533,6 +2533,33 @@ static const struct panel_desc sharp_lq150x1lg11 = {
 	.bus_format = MEDIA_BUS_FMT_RGB565_1X16,
 };
 
+static const struct display_timing sharp_ls020b1dd01d_timing = {
+	.pixelclock = { 2000000, 4200000, 5000000 },
+	.hactive = { 240, 240, 240 },
+	.hfront_porch = { 66, 66, 66 },
+	.hback_porch = { 1, 1, 1 },
+	.hsync_len = { 1, 1, 1 },
+	.vactive = { 160, 160, 160 },
+	.vfront_porch = { 52, 52, 52 },
+	.vback_porch = { 6, 6, 6 },
+	.vsync_len = { 10, 10, 10 },
+	.flags = DISPLAY_FLAGS_HSYNC_HIGH | DISPLAY_FLAGS_VSYNC_LOW,
+};
+
+static const struct panel_desc sharp_ls020b1dd01d = {
+	.timings = &sharp_ls020b1dd01d_timing,
+	.num_timings = 1,
+	.bpc = 6,
+	.size = {
+		.width = 42,
+		.height = 28,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB565_1X16,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH
+		   | DRM_BUS_FLAG_PIXDATA_NEGEDGE
+		   | DRM_BUS_FLAG_SHARP_SIGNALS,
+};
+
 static const struct drm_display_mode shelly_sca07010_bfn_lnn_mode = {
 	.clock = 33300,
 	.hdisplay = 800,
@@ -3105,6 +3132,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "sharp,lq150x1lg11",
 		.data = &sharp_lq150x1lg11,
+	}, {
+		.compatible = "sharp,ls020b1dd01d",
+		.data = &sharp_ls020b1dd01d,
 	}, {
 		.compatible = "shelly,sca07010-bfn-lnn",
 		.data = &shelly_sca07010_bfn_lnn,