drm/panel: simple: Add support for Innolux G070Y2-L01

This patch adds support for Innolux G070Y2-L01 7" WVGA (800x480) TFT LCD
panel.
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1528111008.2818.20.camel@googlemail.com

Documentation/devicetree/bindings/display/panel/innolux,g070y2-l01.txt

+Innolux G070Y2-L01 7" WVGA (800x480) TFT LCD panel
+
+Required properties:
+- compatible: should be "innolux,g070y2-l01"
+- power-supply: as specified in the base binding
+
+Optional properties:
+- backlight: as specified in the base binding
+- enable-gpios: as specified in the base binding
+
+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

@@ -1176,6 +1176,36 @@ static const struct panel_desc innolux_at070tn92 = {
 	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 };
 
+static const struct display_timing innolux_g070y2_l01_timing = {
+	.pixelclock = { 28000000, 29500000, 32000000 },
+	.hactive = { 800, 800, 800 },
+	.hfront_porch = { 61, 91, 141 },
+	.hback_porch = { 60, 90, 140 },
+	.hsync_len = { 12, 12, 12 },
+	.vactive = { 480, 480, 480 },
+	.vfront_porch = { 4, 9, 30 },
+	.vback_porch = { 4, 8, 28 },
+	.vsync_len = { 2, 2, 2 },
+	.flags = DISPLAY_FLAGS_DE_HIGH,
+};
+
+static const struct panel_desc innolux_g070y2_l01 = {
+	.timings = &innolux_g070y2_l01_timing,
+	.num_timings = 1,
+	.bpc = 6,
+	.size = {
+		.width = 152,
+		.height = 91,
+	},
+	.delay = {
+		.prepare = 10,
+		.enable = 100,
+		.disable = 100,
+		.unprepare = 800,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
+};
+
 static const struct display_timing innolux_g101ice_l01_timing = {
 	.pixelclock = { 60400000, 71100000, 74700000 },
 	.hactive = { 1280, 1280, 1280 },
@@ -2341,10 +2371,13 @@ static const struct of_device_id platform_of_match[] = {
 		.compatible = "innolux,at070tn92",
 		.data = &innolux_at070tn92,
 	}, {
-		.compatible ="innolux,g101ice-l01",
+		.compatible = "innolux,g070y2-l01",
+		.data = &innolux_g070y2_l01,
+	}, {
+		.compatible = "innolux,g101ice-l01",
 		.data = &innolux_g101ice_l01
 	}, {
-		.compatible ="innolux,g121i1-l01",
+		.compatible = "innolux,g121i1-l01",
 		.data = &innolux_g121i1_l01
 	}, {
 		.compatible = "innolux,g121x1-l03",