Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / video / backlight / gpio-backlight.txt

diff --git a/kernel/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt b/kernel/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt
new file mode 100644 (file)
index 0000000..321be66
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt
@@ -0,0 +1,16 @@
+gpio-backlight bindings
+
+Required properties:
+  - compatible: "gpio-backlight"
+  - gpios: describes the gpio that is used for enabling/disabling the backlight.
+    refer to bindings/gpio/gpio.txt for more details.
+
+Optional properties:
+  - default-on: enable the backlight at boot.
+
+Example:
+       backlight {
+               compatible = "gpio-backlight";
+               gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>;
+               default-on;
+       };