[PATCH 1/2] drm/panel: simple: Add support for EDT ETMV570G2DHU panel

[Yunus Bas <y.bas@phytec.de>]

From: Stefan Riedmueller <s.riedmueller@phytec.de>

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>
---
 .../bindings/display/panel/panel-simple.yaml  |  3 ++
 drivers/gpu/drm/panel/panel-simple.c          | 29 +++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
index 62b0d54d87b7..57be1fa39728 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
@@ -114,6 +114,9 @@ properties:
       - edt,etm043080dh6gp
         # Emerging Display Technology Corp. 480x272 TFT Display
       - edt,etm0430g0dh6
+        # Emerging Display Technology Corp. 5.7" VGA TFT LCD panel with
+        # capacitive touch
+      - edt,etmv570g2dhu
         # Emerging Display Technology Corp. WVGA TFT Display with capacitive touch
         # Same as ETM0700G0DH6 but with inverted pixel clock.
       - edt,etm070080bdh6
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 4e2dad314c79..283c17a75376 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1926,6 +1926,32 @@ static const struct panel_desc edt_et057090dhu = {
 	.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 drm_display_mode edt_etm0700g0dh6_mode = {
 	.clock = 33260,
 	.hdisplay = 800,
@@ -4226,6 +4252,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "edt,et057090dhu",
 		.data = &edt_et057090dhu,
+	}, {
+		.compatible = "edt,etmv570g2dhu",
+		.data = &edt_etmv570g2dhu,
 	}, {
 		.compatible = "edt,et070080dh6",
 		.data = &edt_etm0700g0dh6,
-- 
2.30.0