drm/panel: simple: Add support for EDT ETMV570G2DHU panel

This patch adds support for the EDT ETMV570G2DHU 5.7" (640x480) lcd panel
to DRM simple panel driver.
Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Signed-off-by: Yunus Bas <y.bas@phytec.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210709200349.2665205-1-y.bas@phytec.de

drivers/gpu/drm/panel/panel-simple.c

@@ -2091,6 +2091,32 @@ static const struct panel_desc edt_etm0700g0bdh6 = {
 	.connector_type = DRM_MODE_CONNECTOR_DPI,
 };
 
+static const struct drm_display_mode edt_etmv570g2dhu_mode = {
+	.clock = 25175,
+	.hdisplay = 640,
+	.hsync_start = 640,
+	.hsync_end = 640 + 16,
+	.htotal = 640 + 16 + 30 + 114,
+	.vdisplay = 480,
+	.vsync_start = 480 + 10,
+	.vsync_end = 480 + 10 + 3,
+	.vtotal = 480 + 10 + 3 + 35,
+	.flags = DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_PHSYNC,
+};
+
+static const struct panel_desc edt_etmv570g2dhu = {
+	.modes = &edt_etmv570g2dhu_mode,
+	.num_modes = 1,
+	.bpc = 6,
+	.size = {
+		.width = 115,
+		.height = 86,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
+	.connector_type = DRM_MODE_CONNECTOR_DPI,
+};
+
 static const struct display_timing evervision_vgg804821_timing = {
 	.pixelclock = { 27600000, 33300000, 50000000 },
 	.hactive = { 800, 800, 800 },
@@ -4425,6 +4451,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "edt,etm0700g0edh6",
 		.data = &edt_etm0700g0bdh6,
+	}, {
+		.compatible = "edt,etmv570g2dhu",
+		.data = &edt_etmv570g2dhu,
 	}, {
 		.compatible = "evervision,vgg804821",
 		.data = &evervision_vgg804821,