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authorDavid Lechner <david@lechnology.com>2018-05-25 14:36:22 -0500
committerDavid Lechner <david@lechnology.com>2018-06-27 13:03:45 -0500
commit7b59d2d8d7980522bb4b532dcecb39bac3639726 (patch)
tree1d5e348f17a7143d800ac340dae6a5cdad6d1413
parentdt-bindings: Add vendor prefix for Adafruit (diff)
downloadwireguard-linux-7b59d2d8d7980522bb4b532dcecb39bac3639726.tar.xz
wireguard-linux-7b59d2d8d7980522bb4b532dcecb39bac3639726.zip
dt-bindings: new binding for Ilitek ILI9341 display panels
This adds a new binding for Ilitek ILI9341 display panels. It includes a compatible string for one display (more can be added in the future). The YX240QV29-T panel[1] is found, for example, in an Adafruit breakout board[2] and in Mindsensors' PiStorms[3]. The vendor prefix "adafruit" is used because the actual vendor is not known, but Adafruit is the most common source for a product that contains this panel. [1]: https://cdn-learn.adafruit.com/assets/assets/000/046/879/original/SPEC-YX240QV29-T_Rev.A__1_.pdf [2]: https://www.adafruit.com/product/2478 [3]: http://www.mindsensors.com/stem-with-robotics/13-pistorms-v2-base-kit-raspberry-pi-brain-for-lego-robot Signed-off-by: David Lechner <david@lechnology.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20180525193623.15533-4-david@lechnology.com
-rw-r--r--Documentation/devicetree/bindings/display/ilitek,ili9341.txt27
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diff --git a/Documentation/devicetree/bindings/display/ilitek,ili9341.txt b/Documentation/devicetree/bindings/display/ilitek,ili9341.txt
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+++ b/Documentation/devicetree/bindings/display/ilitek,ili9341.txt
@@ -0,0 +1,27 @@
+Ilitek ILI9341 display panels
+
+This binding is for display panels using an Ilitek ILI9341 controller in SPI
+mode.
+
+Required properties:
+- compatible: "adafruit,yx240qv29", "ilitek,ili9341"
+- dc-gpios: D/C pin
+- reset-gpios: Reset pin
+
+The node for this driver must be a child node of a SPI controller, hence
+all mandatory properties described in ../spi/spi-bus.txt must be specified.
+
+Optional properties:
+- rotation: panel rotation in degrees counter clockwise (0,90,180,270)
+- backlight: phandle of the backlight device attached to the panel
+
+Example:
+ display@0{
+ compatible = "adafruit,yx240qv29", "ilitek,ili9341";
+ reg = <0>;
+ spi-max-frequency = <32000000>;
+ dc-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+ rotation = <270>;
+ backlight = <&backlight>;
+ };