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-rw-r--r--Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt16
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt b/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt
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index 000000000000..321be6640533
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt
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+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;
+ };

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