drm/panel: simple: Add timings for the Olimex LCD-OLinuXino-4.3TS

Add support for the Olimex LCD-OLinuXino-4.3TS panel to the DRM simple
panel driver.

It is a 480x272 panel connected through a 24-bits RGB interface.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>

Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino-43-ts.txt

+Olimex 4.3" TFT LCD panel
+
+Required properties:
+- compatible: should be "olimex,lcd-olinuxino-43-ts"
+
+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

@@ -1087,6 +1087,29 @@ static const struct panel_desc okaya_rs800480t_7x0gp = {
 	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
 };
 
+static const struct drm_display_mode olimex_lcd_olinuxino_43ts_mode = {
+	.clock = 9000,
+	.hdisplay = 480,
+	.hsync_start = 480 + 5,
+	.hsync_end = 480 + 5 + 30,
+	.htotal = 480 + 5 + 30 + 10,
+	.vdisplay = 272,
+	.vsync_start = 272 + 8,
+	.vsync_end = 272 + 8 + 5,
+	.vtotal = 272 + 8 + 5 + 3,
+	.vrefresh = 60,
+};
+
+static const struct panel_desc olimex_lcd_olinuxino_43ts = {
+	.modes = &olimex_lcd_olinuxino_43ts_mode,
+	.num_modes = 1,
+	.size = {
+		.width = 105,
+		.height = 67,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+};
+
 /*
  * 800x480 CVT. The panel appears to be quite accepting, at least as far as
  * pixel clocks, but this is the timing that was being used in the Adafruit
@@ -1365,6 +1388,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "okaya,rs800480t-7x0gp",
 		.data = &okaya_rs800480t_7x0gp,
+	}, {
+		.compatible = "olimex,lcd-olinuxino-43-ts",
+		.data = &olimex_lcd_olinuxino_43ts,
 	}, {
 		.compatible = "ontat,yx700wv03",
 		.data = &ontat_yx700wv03,