Re: [PATCH v4 2/2] backlight arcxcnn devicetree bindings for ArcticSand

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Cc'ing Daniel Thompson, the new Maintainer.

On Fri, 27 Jan 2017, Olimpiu Dejeu wrote:

> backlight: Add devicetree bindings for the Arctic Sand backlight driver
> This patch provides devicetree bindings for the Arctic Sand
>     driver submitted in the previous patch
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
> Signed-off-by: Olimpiu Dejeu <olimpiu@xxxxxxxxxxxxxx>
> ---
> 
> v3 => v4:
> - Added spaces for increased readability per Lee Jones
> v2 => v3:
> - Version updated to match other patch in set. No other changes.
> v1 => v2:
> - Version updated to match other patch in set. No other changes.
> 
>  .../bindings/leds/backlight/arcxcnn_bl.txt         | 31 ++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt
> 
> diff --git a/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt b/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt
> new file mode 100644
> index 0000000..ecb7731
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt
> @@ -0,0 +1,31 @@
> +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
> +
> +Example:
> +
> +arc2c0608@30 {
> +	compatible = "arc,arc2c0608";
> +	reg = <0x30>;
> +	default-brightness = <500>;
> +	label = "lcd-backlight";
> +	linux,default-trigger = "backlight";
> +	led-sources = <0 1 2 5>;
> +};
> +

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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