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authorSean Paul <seanpaul@chromium.org>2014-12-02 17:39:12 -0800
committerLee Jones <lee.jones@linaro.org>2014-12-09 09:24:45 +0000
commit829b030e58f8349a63909c0fff2fa1913d79314c (patch)
tree7fc2c2e84bd396b8299ab2635ec41472d18e652b /Documentation/devicetree/bindings/video
parent47726656dd67a2487bd7fafec1a73472da1db956 (diff)
backlight: lp855x: Add supply regulator to lp855x
This patch adds a supply regulator to the lp855x platform data to facilitate powering on/off the 3V rail attached to the controller. Cc: St├ęphane Marchesin <marcheu@chromium.org> Cc: Aaron Durbin <adurbin@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Acked-by: Milo Kim <milo.kim@ti.com> Acked-by: Bryan Wu <cooloney@gmail.com> Acked-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/video')
-rw-r--r--Documentation/devicetree/bindings/video/backlight/lp855x.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/video/backlight/lp855x.txt b/Documentation/devicetree/bindings/video/backlight/lp855x.txt
index 96e83a56048e..0a3ecbc3a1b9 100644
--- a/Documentation/devicetree/bindings/video/backlight/lp855x.txt
+++ b/Documentation/devicetree/bindings/video/backlight/lp855x.txt
@@ -12,6 +12,7 @@ Optional properties:
- pwm-period: PWM period value. Set only PWM input mode used (u32)
- rom-addr: Register address of ROM area to be updated (u8)
- rom-val: Register value to be updated (u8)
+ - power-supply: Regulator which controls the 3V rail
Example:
@@ -56,6 +57,7 @@ Example:
backlight@2c {
compatible = "ti,lp8557";
reg = <0x2c>;
+ power-supply = <&backlight_vdd>;
dev-ctrl = /bits/ 8 <0x41>;
init-brt = /bits/ 8 <0x0a>;

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