drm/panel: add support for EDT ET057090DHU panel

This panel is sold by Toradex for Colibri T20/T30 and Apalis T30
evaluation kits.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/Documentation/devicetree/bindings/panel/edt,et057090dhu.txt b/Documentation/devicetree/bindings/panel/edt,et057090dhu.txt
new file mode 100644 (file)
index 0000000..4903d7b
--- /dev/null
+++ b/Documentation/devicetree/bindings/panel/edt,et057090dhu.txt
@@ -0,0 +1,7 @@
+Emerging Display Technology Corp. 5.7" VGA TFT LCD panel
+
+Required properties:
+- compatible: should be "edt,et057090dhu"
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 72da48c..a0d3cf1 100644 (file)
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -328,6 +328,29 @@ static const struct panel_desc chunghwa_claa101wb01 = {
        },
 };
 
+static const struct drm_display_mode edt_et057090dhu_mode = {
+       .clock = 25175,
+       .hdisplay = 640,
+       .hsync_start = 640 + 16,
+       .hsync_end = 640 + 16 + 30,
+       .htotal = 640 + 16 + 30 + 114,
+       .vdisplay = 480,
+       .vsync_start = 480 + 10,
+       .vsync_end = 480 + 10 + 3,
+       .vtotal = 480 + 10 + 3 + 32,
+       .vrefresh = 60,
+       .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+static const struct panel_desc edt_et057090dhu = {
+       .modes = &edt_et057090dhu_mode,
+       .num_modes = 1,
+       .size = {
+               .width = 115,
+               .height = 86,
+       },
+};
+
 static const struct drm_display_mode edt_etm0700g0dh6_mode = {
        .clock = 33260,
        .hdisplay = 800,
@@ -405,6 +428,9 @@ static const struct of_device_id platform_of_match[] = {
        }, {
                .compatible = "chunghwa,claa101wb01",
                .data = &chunghwa_claa101wb01
+       }, {
+               .compatible = "edt,et057090dhu",
+               .data = &edt_et057090dhu,
        }, {
                .compatible = "edt,et070080dh6",
                .data = &edt_etm0700g0dh6,