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[RESUBMIT,v4,4/8] devicetree: backlight: Add new SKY81452 backlight binding

Message ID 1413179262-27636-5-git-send-email-jack.yoo@skyworksinc.com
State Superseded, archived
Headers show

Commit Message

Gyungoh Yoo Oct. 13, 2014, 5:47 a.m. UTC 
Signed-off-by: Gyungoh Yoo <jack.yoo@skyworksinc.com>
---
Changes v4:
Nothing

Changes v3:
Nothing

Changes v2:
Added reg attribute for I2C slave address

 .../video/backlight/sky81452-backlight.txt         | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
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Patch

diff --git a/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt b/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
new file mode 100644
index 0000000..2c2d947
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
@@ -0,0 +1,24 @@ 
+SKY81452-backlight bindings
+
+Required properties:
+- compatible		: Must be "skyworks,sky81452-backlight"
+
+Optional properties:
+- name			: Name of backlight device. Default is 'lcd-backlight'.
+- gpio-enable		: GPIO to use to EN pin.
+- enable		: Enable mask for current sink channel 1 to 6.
+- ignore-pwm		: Ignore both PWM input
+- dpwm-mode		: Enable DPWM dimming mode, otherwise Analog dimming mode
+- phase-shift		: Enable phase shift mode
+- ovp-level		: Over-voltage protection level. Should be between 14 or 28V.
+- short-detection-threshold	: It should be one of 4, 5, 6 and 7V.
+- boost-current-limit	: It should be one of 800, 1100 and 1500mA.
+
+Example:
+
+	backlight {
+		compatible = "skyworks,sky81452-backlight";
+		name = "pwm-backlight";
+		enable = <0x3F>;
+		ignore-pwm;
+	};