drm/panel: simple: Add the 7" DPI panel from Adafruit
This is a basic TFT panel with a 40-pin FPC connector on it. The
specification doesn't define timings, but the Adafruit instructions
were setting up 800x480 CVT.
v2: Add .bus_format and vsync/hsync flags.
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Rob Herring <robh@kernel.org>
[treding@nvidia.com: keep entries properly sorted]
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/Documentation/devicetree/bindings/display/panel/ontat,yx700wv03.txt b/Documentation/devicetree/bindings/display/panel/ontat,yx700wv03.txt
new file mode 100644
index 0000000..3d8a5e0
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/ontat,yx700wv03.txt
@@ -0,0 +1,7 @@
+On Tat Industrial Company 7" DPI TFT panel.
+
+Required properties:
+- compatible: should be "ontat,yx700wv03"
+
+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 b19c88f..5aa0734 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1087,6 +1087,40 @@
.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
};
+/*
+ * 800x480 CVT. The panel appears to be quite accepting, at least as far as
+ * pixel clocks, but this is the timing that was being used in the Adafruit
+ * installation instructions.
+ */
+static const struct drm_display_mode ontat_yx700wv03_mode = {
+ .clock = 29500,
+ .hdisplay = 800,
+ .hsync_start = 824,
+ .hsync_end = 896,
+ .htotal = 992,
+ .vdisplay = 480,
+ .vsync_start = 483,
+ .vsync_end = 493,
+ .vtotal = 500,
+ .vrefresh = 60,
+ .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+/*
+ * Specification at:
+ * https://www.adafruit.com/images/product-files/2406/c3163.pdf
+ */
+static const struct panel_desc ontat_yx700wv03 = {
+ .modes = &ontat_yx700wv03_mode,
+ .num_modes = 1,
+ .bpc = 8,
+ .size = {
+ .width = 154,
+ .height = 83,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+};
+
static const struct drm_display_mode ortustech_com43h4m85ulc_mode = {
.clock = 25000,
.hdisplay = 480,
@@ -1332,6 +1366,9 @@
.compatible = "okaya,rs800480t-7x0gp",
.data = &okaya_rs800480t_7x0gp,
}, {
+ .compatible = "ontat,yx700wv03",
+ .data = &ontat_yx700wv03,
+ }, {
.compatible = "ortustech,com43h4m85ulc",
.data = &ortustech_com43h4m85ulc,
}, {