drm/panel: simple: Add newhaven, nhd-4.3-480272ef-atxl LCD

Add support for newhaven,nhd-4.3-480272ef-atxl to panel-simple.
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: NThierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180618132242.8673-8-tomi.valkeinen@ti.com

Documentation/devicetree/bindings/display/panel/newhaven,nhd-4.3-480272ef-atxl.txt

+Newhaven Display International 480 x 272 TFT LCD panel
+
+Required properties:
+- compatible: should be "newhaven,nhd-4.3-480272ef-atxl"
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.

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

@@ -1625,6 +1625,33 @@ static const struct panel_desc netron_dy_e231732 = {
 	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
 };
 
+static const struct drm_display_mode newhaven_nhd_43_480272ef_atxl_mode = {
+	.clock = 9000,
+	.hdisplay = 480,
+	.hsync_start = 480 + 2,
+	.hsync_end = 480 + 2 + 41,
+	.htotal = 480 + 2 + 41 + 2,
+	.vdisplay = 272,
+	.vsync_start = 272 + 2,
+	.vsync_end = 272 + 2 + 10,
+	.vtotal = 272 + 2 + 10 + 2,
+	.vrefresh = 60,
+	.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+static const struct panel_desc newhaven_nhd_43_480272ef_atxl = {
+	.modes = &newhaven_nhd_43_480272ef_atxl_mode,
+	.num_modes = 1,
+	.bpc = 8,
+	.size = {
+		.width = 95,
+		.height = 54,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_POSEDGE |
+		     DRM_BUS_FLAG_SYNC_POSEDGE,
+};
+
 static const struct display_timing nlt_nl192108ac18_02d_timing = {
 	.pixelclock = { 130000000, 148350000, 163000000 },
 	.hactive = { 1920, 1920, 1920 },
@@ -2367,6 +2394,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "netron-dy,e231732",
 		.data = &netron_dy_e231732,
+	}, {
+		.compatible = "newhaven,nhd-4.3-480272ef-atxl",
+		.data = &newhaven_nhd_43_480272ef_atxl,
 	}, {
 		.compatible = "nlt,nl192108ac18-02d",
 		.data = &nlt_nl192108ac18_02d,