drm/panel: Add support for Ampire AM-800480R3TMQW-A1H 800x480 7" panel

This adds support for the AM-800480R3TMQW-A1H 7" 800x480 panel to the
DRM simple panel driver.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>

2 files changed, 35 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/panel/ampire,am800480r3tmqwa1h.txt b/Documentation/devicetree/bindings/panel/ampire,am800480r3tmqwa1h.txt
new file mode 100644
index 000000000000..83e2cae1cc1b
--- /dev/null
+++ b/Documentation/devicetree/bindings/panel/ampire,am800480r3tmqwa1h.txt
@@ -0,0 +1,7 @@
+Ampire AM-800480R3TMQW-A1H 7.0" WVGA TFT LCD panel
+
+Required properties:
+- compatible: should be "ampire,am800480r3tmqwa1h"
+
+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 6ad7b5e00178..30904a9b2a4c 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -369,6 +369,31 @@ static void panel_simple_shutdown(struct device *dev)
         panel_simple_disable(&panel->base);
 }
 
+static const struct drm_display_mode ampire_am800480r3tmqwa1h_mode = {
+        .clock = 33333,
+        .hdisplay = 800,
+        .hsync_start = 800 + 0,
+        .hsync_end = 800 + 0 + 255,
+        .htotal = 800 + 0 + 255 + 0,
+        .vdisplay = 480,
+        .vsync_start = 480 + 2,
+        .vsync_end = 480 + 2 + 45,
+        .vtotal = 480 + 2 + 45 + 0,
+        .vrefresh = 60,
+        .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
+};
+
+static const struct panel_desc ampire_am800480r3tmqwa1h = {
+        .modes = &ampire_am800480r3tmqwa1h_mode,
+        .num_modes = 1,
+        .bpc = 6,
+        .size = {
+                .width = 152,
+                .height = 91,
+        },
+        .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+};
+
 static const struct drm_display_mode auo_b101aw03_mode = {
         .clock = 51450,
         .hdisplay = 1024,
@@ -965,6 +990,9 @@ static const struct panel_desc shelly_sca07010_bfn_lnn = {
 
 static const struct of_device_id platform_of_match[] = {
         {
+                .compatible = "ampire,am800480r3tmqwa1h",
+                .data = &ampire_am800480r3tmqwa1h,
+        }, {
                 .compatible = "auo,b101aw03",
                 .data = &auo_b101aw03,
         }, {