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Commit ce9d2257 authored by Olimpiu Dejeu's avatar Olimpiu Dejeu Committed by Lee Jones
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dt-bindings: backlight: arcxcnn: Supply bindings for Arctic Sand backlight 



Signed-off-by: default avatarOlimpiu Dejeu <olimpiu@arcticsand.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Acked-by: default avatarDaniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent c1ae3cfa

Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt

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Binding for ArcticSand arc2c0608 LED driver



Required properties:

- compatible:		should be "arc,arc2c0608"

- reg:			slave address



Optional properties:

- default-brightness:	brightness value on boot, value from: 0-4095

- label:		The name of the backlight device

			See Documentation/devicetree/bindings/leds/common.txt

- led-sources:		List of enabled channels from 0 to 5.

			See Documentation/devicetree/bindings/leds/common.txt



- arc,led-config-0:	setting for register ILED_CONFIG_0

- arc,led-config-1:	setting for register ILED_CONFIG_1

- arc,dim-freq:		PWM mode frequence setting (bits [3:0] used)

- arc,comp-config:	setting for register CONFIG_COMP

- arc,filter-config:	setting for register FILTER_CONFIG

- arc,trim-config:	setting for register IMAXTUNE



Note: Optional properties not specified will default to values in IC EPROM



Example:



arc2c0608@30 {

	compatible = "arc,arc2c0608";

	reg = <0x30>;

	default-brightness = <500>;

	label = "lcd-backlight";

	linux,default-trigger = "backlight";

	led-sources = <0 1 2 5>;

};