drm/panel: simple: Add Mitsubishi AA070MC01 panel support

The Mitsubishi AA070MC01 is a 7.0" WVGA (800x480) TFT panel working in
8 bit ISP mode (pin 19 "mode" HIGH for 20 pin TFT connector).
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1508537917-1723-1-git-send-email-lukma@denx.de

Documentation/devicetree/bindings/display/panel/mitsubishi,aa070mc01.txt

+Mitsubishi "AA070MC01 7.0" WVGA TFT LCD panel
+
+Required properties:
+- compatible: should be "mitsubishi,aa070mc01-ca1"
+
+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

@@ -1356,6 +1356,38 @@ static const struct panel_desc lg_lp129qe = {
 	},
 };
 
+static const struct drm_display_mode mitsubishi_aa070mc01_mode = {
+	.clock = 30400,
+	.hdisplay = 800,
+	.hsync_start = 800 + 0,
+	.hsync_end = 800 + 1,
+	.htotal = 800 + 0 + 1 + 160,
+	.vdisplay = 480,
+	.vsync_start = 480 + 0,
+	.vsync_end = 480 + 48 + 1,
+	.vtotal = 480 + 48 + 1 + 0,
+	.vrefresh = 60,
+	.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+};
+
+static const struct panel_desc mitsubishi_aa070mc01 = {
+	.modes = &mitsubishi_aa070mc01_mode,
+	.num_modes = 1,
+	.bpc = 8,
+	.size = {
+		.width = 152,
+		.height = 91,
+	},
+
+	.delay = {
+		.enable = 200,
+		.unprepare = 200,
+		.disable = 400,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH,
+};
+
 static const struct display_timing nec_nl12880bc20_05_timing = {
 	.pixelclock = { 67000000, 71000000, 75000000 },
 	.hactive = { 1280, 1280, 1280 },
@@ -2109,6 +2141,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "lg,lp129qe",
 		.data = &lg_lp129qe,
+	}, {
+		.compatible = "mitsubishi,aa070mc01-ca1",
+		.data = &mitsubishi_aa070mc01,
 	}, {
 		.compatible = "nec,nl12880bc20-05",
 		.data = &nec_nl12880bc20_05,