drm/panel: simple: Add DLC DLC0700YZG-1 panel

This patch adds support for DLC DLC0700YZG-1 1024x600 LVDS panels
to the simple-panel driver.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
[m.felsch@pengutronix.de: fix typo in compatible dt-binding]
[m.felsch@pengutronix.de: add property bindings]
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180523092504.5142-3-m.felsch@pengutronix.de

Documentation/devicetree/bindings/display/panel/dlc,dlc0700yzg-1.txt

+DLC Display Co. DLC0700YZG-1 7.0" WSVGA TFT LCD panel
+
+Required properties:
+- compatible: should be "dlc,dlc0700yzg-1"
+- power-supply: See simple-panel.txt
+
+Optional properties:
+- reset-gpios: See panel-common.txt
+- enable-gpios: See simple-panel.txt
+- backlight: See simple-panel.txt
+
+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

@@ -884,6 +884,35 @@ static const struct panel_desc chunghwa_claa101wb01 = {
 	},
 };
 
+static const struct display_timing dlc_dlc0700yzg_1_timing = {
+	.pixelclock = { 45000000, 51200000, 57000000 },
+	.hactive = { 1024, 1024, 1024 },
+	.hfront_porch = { 100, 106, 113 },
+	.hback_porch = { 100, 106, 113 },
+	.hsync_len = { 100, 108, 114 },
+	.vactive = { 600, 600, 600 },
+	.vfront_porch = { 8, 11, 15 },
+	.vback_porch = { 8, 11, 15 },
+	.vsync_len = { 9, 13, 15 },
+	.flags = DISPLAY_FLAGS_DE_HIGH,
+};
+
+static const struct panel_desc dlc_dlc0700yzg_1 = {
+	.timings = &dlc_dlc0700yzg_1_timing,
+	.num_timings = 1,
+	.bpc = 6,
+	.size = {
+		.width = 154,
+		.height = 86,
+	},
+	.delay = {
+		.prepare = 30,
+		.enable = 200,
+		.disable = 200,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
+};
+
 static const struct drm_display_mode edt_et057090dhu_mode = {
 	.clock = 25175,
 	.hdisplay = 640,
@@ -2220,6 +2249,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "chunghwa,claa101wb01",
 		.data = &chunghwa_claa101wb01
+	}, {
+		.compatible = "dlc,dlc0700yzg-1",
+		.data = &dlc_dlc0700yzg_1,
 	}, {
 		.compatible = "edt,et057090dhu",
 		.data = &edt_et057090dhu,