drm/panel: simple: Add support for Tianma TM070JDHG30

The Tianma TM070JDHG30 is a 7" LVDS display with a resolution of
1280x800.

	http://usa.tianma.com/products-technology/product/tm070jdhg30-00

You can also find this product along with a FT5x06 touch controller
from Boundary Devices:

	https://boundarydevices.com/product/bd070lic2/Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>

Documentation/devicetree/bindings/display/panel/tianma,tm070jdhg30.txt

+Tianma Micro-electronics TM070JDHG30 7.0" WXGA TFT LCD panel
+
+Required properties:
+- compatible: should be "tianma,tm070jdhg30"
+
+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

@@ -1674,6 +1674,30 @@ static const struct panel_desc starry_kr122ea0sra = {
 	},
 };
 
+static const struct display_timing tianma_tm070jdhg30_timing = {
+	.pixelclock = { 62600000, 68200000, 78100000 },
+	.hactive = { 1280, 1280, 1280 },
+	.hfront_porch = { 15, 64, 159 },
+	.hback_porch = { 5, 5, 5 },
+	.hsync_len = { 1, 1, 256 },
+	.vactive = { 800, 800, 800 },
+	.vfront_porch = { 3, 40, 99 },
+	.vback_porch = { 2, 2, 2 },
+	.vsync_len = { 1, 1, 128 },
+	.flags = DISPLAY_FLAGS_DE_HIGH,
+};
+
+static const struct panel_desc tianma_tm070jdhg30 = {
+	.timings = &tianma_tm070jdhg30_timing,
+	.num_timings = 1,
+	.bpc = 8,
+	.size = {
+		.width = 151,
+		.height = 95,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
+};
+
 static const struct drm_display_mode tpk_f07a_0102_mode = {
 	.clock = 33260,
 	.hdisplay = 800,
@@ -1912,6 +1936,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "starry,kr122ea0sra",
 		.data = &starry_kr122ea0sra,
+	}, {
+		.compatible = "tianma,tm070jdhg30",
+		.data = &tianma_tm070jdhg30,
 	}, {
 		.compatible = "tpk,f07a-0102",
 		.data = &tpk_f07a_0102,