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authorDenis Carikli <denis@eukrea.com>2014-02-27 15:28:33 +0100
committerLee Jones <lee.jones@linaro.org>2014-04-08 13:20:40 +0100
commit9a6adb339e5d1827da5e8b2459b12863d72ed3e7 (patch)
treeb7b2e59f74713375f20b397c5f68eecba997586a /Documentation
parent35762a47c0a24072a689cbd98ecf8c62b037ef8a (diff)
downloadlinux-9a6adb339e5d1827da5e8b2459b12863d72ed3e7.tar.bz2
backlight: gpio-backlight: Add DT support
Signed-off-by: Denis Carikli <denis@eukrea.com> Acked-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'Documentation')
-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
@@ -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;
+ };