Re: [PATCH v4 2/2] dt-bindings: add devicetree bindings for st-pwm regulator

From: Mark Rutland
Date: Mon Sep 22 2014 - 06:41:33 EST


On Mon, Sep 22, 2014 at 03:53:00AM +0100, Chris Zhong wrote:
> Document the st-pwm regulator
>
> Signed-off-by: Chris Zhong <zyw@xxxxxxxxxxxxxx>
>
> Adviced by Doug Anderson
> - remove regulator-always-on and regulator-boot-on from the Example
>
> Reviewed-by: Doug Anderson <dianders@xxxxxxxxxxxx>
> ---
>
> Changes in v4: None
> Changes in v3:
> Adviced by Doug Anderson
> - update the Example
>
> Changes in v2:
> Adviced by Lee Jones
> - rename the documentation
> Adviced by Doug Anderson
> - update the example
> Adviced by Mark Rutland
> - remove pwm-reg-period
>
> .../bindings/regulator/pwm-regulator.txt | 27 ++++++++++++++++++++
> 1 file changed, 27 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/regulator/pwm-regulator.txt
>
> diff --git a/Documentation/devicetree/bindings/regulator/pwm-regulator.txt b/Documentation/devicetree/bindings/regulator/pwm-regulator.txt
> new file mode 100644
> index 0000000..c6756a9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/pwm-regulator.txt
> @@ -0,0 +1,27 @@
> +pwm regulator bindings
> +
> +Required properties:
> +- compatible: Should be "pwm-regulator"
> +- pwms: OF device-tree PWM specification (see PWM binding pwm.txt)
> +- voltage-table: voltage and duty table, include 2 merbers in each set of

Typo: s/merbers/members/ (I guess)

Otherwise this looks fine.

Mark.

> + brackets, first one is voltage(unit: uv), the next is duty(unit: percent)
> +
> +Any property defined as part of the core regulator binding defined in
> +regulator.txt can also be used.
> +
> +Example:
> + pwm_regulator {
> + compatible = "pwm-regulator;
> + pwms = <&pwm1 0 8448 0>;
> +
> + voltage-table = <1114000 0>,
> + <1095000 10>,
> + <1076000 20>,
> + <1056000 30>,
> + <1036000 40>,
> + <1016000 50>;
> +
> + regulator-min-microvolt = <1016000>;
> + regulator-max-microvolt = <1114000>;
> + regulator-name = "vdd_logic";
> + };
> --
> 1.7.9.5
>
>
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