On Tue, Dec 2, 2014 at 12:05 AM, <gyungoh@xxxxxxxxx> wrote:
> From: Gyungoh Yoo <jack.yoo@xxxxxxxxxxxxxxx>
>
> Signed-off-by: Gyungoh Yoo <jack.yoo@xxxxxxxxxxxxxxx>
Acked-by: Bryan Wu <cooloney@xxxxxxxxx>
Thanks,
-Bryan
> ---
> Changes v9:
> Nothing
>
> Changes v8:
> Renamed property names for backlight with vendor prefix
> Modified gpio-enable property to generic property for GPIO
> Made up the example for backlight DT
>
> Changes v7:
> Nothing
>
> Changes v6:
> Nothing
>
> Changes v5:
> Nothing
>
> Changes v4:
> Nothing
>
> Changes v3:
> Nothing
>
> Changes v2:
> Added reg attribute for I2C slave address
>
> .../video/backlight/sky81452-backlight.txt | 29 ++++++++++++++++++++++
> 1 file changed, 29 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
>
> 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..8daebf5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt
> @@ -0,0 +1,29 @@
> +SKY81452-backlight bindings
> +
> +Required properties:
> +- compatible : Must be "skyworks,sky81452-backlight"
> +
> +Optional properties:
> +- name : Name of backlight device. Default is 'lcd-backlight'.
> +- gpios : GPIO to use to EN pin.
> + See Documentation/devicetree/bindings/gpio/gpio.txt
> +- skyworks,en-channels : Enable mask for current sink channel 1 to 6.
> +- skyworks,ignore-pwm : Ignore both PWM input
> +- skyworks,dpwm-mode : Enable DPWM dimming mode, otherwise Analog dimming.
> +- skyworks,phase-shift : Enable phase shift mode
> +- skyworks,ovp-level : Over-voltage protection level.
> + Should be between 14 or 28V.
> +- skyworks,short-detection-threshold : It should be one of 4, 5, 6 and 7V.
> +- skyworks,current-limit : It should be 2300mA or 2750mA.
> +
> +Example:
> +
> + backlight {
> + compatible = "skyworks,sky81452-backlight";
> + name = "pwm-backlight";
> + skyworks,en-channels = <0x3f>;
> + skyworks,ignore-pwm;
> + skyworks,phase-shift;
> + skyworks,ovp-level = <20>;
> + skyworks,current-limit = <2300>;
> + };
> --
> 1.9.1
>
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