On Wed, Nov 12, 2014 at 4:37 AM, <Naidu.Tellapati@xxxxxxxxxx> wrote:
> From: Naidu Tellapati <Naidu.Tellapati@xxxxxxxxxx>
>
> Add binding document for IMG Pulse Width Modulator (PWM) DAC present on the
> Pistachio SOC. The PWM DAC has four channels.
>
> Signed-off-by: Naidu Tellapati <Naidu.Tellapati@xxxxxxxxxx>
> Signed-off-by: Sai Masarapu <Sai.Masarapu@xxxxxxxxxx>
> diff --git a/Documentation/devicetree/bindings/pwm/img-pwm.txt b/Documentation/devicetree/bindings/pwm/img-pwm.txt
> new file mode 100644
> index 0000000..4f7f60c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/img-pwm.txt
> @@ -0,0 +1,22 @@
> +*Imagination Technologies PWM DAC driver
> +
> +Required properties:
> + - compatible: Should be "img,pistachio-pwm"
> + - reg: Should contain physical base address and length of pwm registers.
> + - clocks: phandle to input PWM clock.
> + - clock-names: input clock names.
> + Required elements: "pwm".
> + - #pwm-cells: Should be 2. See pwm.txt in this directory for the
> + description of the cells format.
> + - img,cr-periph: Must contain a phandle to the peripheral control
> + syscon node which contains PWM control registers.
> +
> +Example:
> + pwm: pwm@18101300 {
> + compatible = "img,pistachio-pwm";
> + reg = <0x18101300 0x14>;
Might as well claim the full 256 bytes.
> + clocks = <&pwm_clk_handle>;
> + clk-names = "pwm";
s/clk/clock/
> + #pwm-cells = <2>;
> + img,cr-periph = <&cr_periph>;
> + };
> --
> 1.7.0.4
>
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