On Mon, 30 Sep 2013 14:13:31 +0800, Xiubo Li <Li.Xiubo@xxxxxxxxxxxxx> wrote:
> This adds the Document for Freescale FTM PWM driver under
> Documentation/devicetree/bindings/pwm/.
>
> Signed-off-by: Xiubo Li <Li.Xiubo@xxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/pwm/pwm-fsl-ftm.txt | 33 ++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt
>
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt b/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt
> new file mode 100644
> index 0000000..2c6969a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt
> @@ -0,0 +1,33 @@
> +Freescale FTM PWM controller
> +
> +Required properties:
> +- compatible: Should be "fsl,vf610-ftm-pwm"
> +- reg: Physical base address and length of the controller's registers
> +- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of
> + the cells format.
> +- clock-names : Includes the following module clock source entries:
> + "ftm0" (system clock),
> + "ftm0_fix_sel" (fixed frequency clock),
> + "ftm0_ext_sel" (external clock)
> +- clocks : Must contain a clock specifier for each entry in clock-names.
> +- fsl,pwm-counter-clk: The FTM PWM counter clock source, should be one of the
> + entries in clock-names.
> +- pinctrl-names: must contain a "default" entry.
> +- pinctrl-NNN: One property must exist for each entry in pinctrl-names.
> + See ../pinctrl/pinctrl-bindings.txt for details of the property values.
Looks okay to me.
g.
> +
> +
> +Example:
> +
> +pwm0: pwm@40038000 {
> + compatible = "fsl,vf610-ftm-pwm";
> + reg = <0x40038000 0x1000>;
> + #pwm-cells = <3>;
> + clock-names = "ftm0", "ftm0_fix_sel", "ftm0_ext_sel";
> + clocks = <&clks VF610_CLK_FTM0>,
> + <&clks VF610_CLK_FTM0_FIX_SEL>,
> + <&clks VF610_CLK_FTM0_EXT_SEL>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm0_1>;
> + fsl,pwm-counter-clk = "ftm0_ext_sel";
> +};
> --
> 1.8.0
>
>
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