[PATCH v9 2/2] pwm: add DT bindings documentation for atmel-hlcdc-pwm driver

Nicolas Ferre nicolas.ferre at atmel.com
Tue Oct 7 05:55:26 PDT 2014


On 07/10/2014 12:14, Boris Brezillon :
> The HLCDC IP available in some Atmel SoCs (i.e. sam9x5i.e. at91sam9n12,

Ditto: sam9x5 doesn't exist.

> at91sam9x5 family or sama5d3 family) provide a PWM device.
> 
> The DT bindings used for this PWM device is following the default 3 cells
> bindings described in Documentation/devicetree/bindings/pwm/pwm.txt.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
> ---
>  .../devicetree/bindings/pwm/atmel-hlcdc-pwm.txt    | 29 ++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt
> 
> diff --git a/Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt b/Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt
> new file mode 100644
> index 0000000..8a85244
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt
> @@ -0,0 +1,29 @@
> +Device-Tree bindings for Atmel's HLCDC (High LCD Controller) PWM driver

s/High/High-end/

> +
> +The Atmel HLCDC PWM is subdevice of the HLCDC MFD device.
> +See ../mfd/atmel-hlcdc.txt for more details.
> +
> +Required properties:
> + - compatible: value should be one of the following:
> +   "atmel,hlcdc-pwm"
> + - pinctr-names: the pin control state names. Should contain "default".
> + - pinctrl-0: should contain the pinctrl states described by pinctrl
> +   default.
> + - #pwm-cells: should be set to 3. This PWM chip use the default 3 cells
> +   bindings defined in pwm.txt in this directory.
> +
> +Example:
> +
> +	hlcdc: hlcdc at f0030000 {
> +		compatible = "atmel,sama5d3-hlcdc";
> +		reg = <0xf0030000 0x2000>;
> +		clocks = <&lcdc_clk>, <&lcdck>, <&clk32k>;
> +		clock-names = "periph_clk","sys_clk", "slow_clk";
> +
> +		hlcdc_pwm: hlcdc-pwm {
> +				
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&pinctrl_lcd_pwm>;
> +			#pwm-cells = <3>;
> +		};
> +	};
> 

otherwise,
Acked-by: Nicolas Ferre <nicolas.ferre at atmel.com>

Thanks.
-- 
Nicolas Ferre



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