Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1361039 > unrolled thread

[PATCH 2/5] panel-simple: Add the 7" DPI panel from Adafruit.

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  [PATCH 2/5] panel-simple: Add the 7" DPI panel from Adafruit. Eric Anholt <eric@anholt.net> - 2016-03-19 03:50 +0100
    Re: [PATCH 2/5] panel-simple: Add the 7" DPI panel from Adafruit. Rob Herring <robh@kernel.org> - 2016-03-21 13:50 +0100

#1361039 — [PATCH 2/5] 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.

Signed-off-by: Eric Anholt <eric@anholt.net>
---
 .../bindings/display/panel/ontat,yx700wv03.txt     |  7 +++++
 drivers/gpu/drm/panel/panel-simple.c               | 33 ++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/ontat,yx700wv03.txt

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 f88a631..6583fdd 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1176,6 +1176,36 @@ static const struct panel_desc shelly_sca07010_bfn_lnn = {
 	.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,
+};
+
+/* 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,
+	},
+};
+
 static const struct of_device_id platform_of_match[] = {
 	{
 		.compatible = "ampire,am800480r3tmqwa1h",
@@ -1265,6 +1295,9 @@ static const struct of_device_id platform_of_match[] = {
 		.compatible = "okaya,rs800480t-7x0gp",
 		.data = &okaya_rs800480t_7x0gp,
 	}, {
+		.compatible = "ontat,yx700wv03",
+		.data = &ontat_yx700wv03,
+	}, {
 		.compatible = "ortustech,com43h4m85ulc",
 		.data = &ortustech_com43h4m85ulc,
 	}, {
-- 
2.7.0

[toc] | [next] | [standalone]

#1361794

On Fri, Mar 18, 2016 at 07:42:43PM -0700, Eric Anholt wrote:
> 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.
> 
> Signed-off-by: Eric Anholt <eric@anholt.net>
> ---
>  .../bindings/display/panel/ontat,yx700wv03.txt     |  7 +++++
>  drivers/gpu/drm/panel/panel-simple.c               | 33 ++++++++++++++++++++++
>  2 files changed, 40 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/ontat,yx700wv03.txt

Acked-by: Rob Herring <robh@kernel.org>

[toc] | [prev] | [standalone]

Back to top | Article view | linux.kernel

csiph-web