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SubjectRe: [PATCH v2 9/10] dt-bindings: pwm: update bindings for MT7628 SoC
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On Wed, 2019-08-14 at 18:43 +0800, Sam Shih wrote:
> From: sam shih <sam.shih@mediatek.com>
>
> This updates bindings for MT7628 pwm controller.
>
> Signed-off-by: Sam Shih <sam.shih@mediatek.com>
> ---
> .../devicetree/bindings/pwm/pwm-mediatek.txt | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
> index c7bd5633d1eb..9d2d893a07ff 100644
> --- a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
> +++ b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
> @@ -21,6 +21,8 @@ Required properties:
> - pinctrl-0: One property must exist for each entry in pinctrl-names.
> See pinctrl/pinctrl-bindings.txt for details of the property values.
> - num-pwms: the number of PWM channels.
> + - clock-frequency: fix clock frequency, this is an optional property, only use in MT7628 SoC
> + for period calculation. This SoC has no complex clock tree.

Optional properties:

- clock-frequency: ...

> Example:
> pwm0: pwm@11006000 {
> @@ -40,3 +42,13 @@ Example:
> pinctrl-0 = <&pwm0_pins>;
> num-pwms = <5>;
> };

Add a blank here

> +MT7628 Example:
> + pwm: pwm@5000 {
> + compatible = "mediatek,mt7628-pwm";
> + reg = <0x5000 0x1000>;
> + #pwm-cells = <2>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pwm0_pins>, <&pwm1_pins>;
> + num-pwms = <4>;
> + clock-frequency = <100000>;
> + };


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