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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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