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SubjectRe: [PATCH 8/9] dt-bindings: usb: mtk-xhci: add a optional property to disable u3ports
On Wed, Sep 27, 2017 at 05:23:04PM +0800, Chunfeng Yun wrote:
> Add a new optional property to disable u3ports
>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> ---
> .../devicetree/bindings/usb/mediatek,mtk-xhci.txt | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
> index 5611a2e..2d9b459 100644
> --- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
> +++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
> @@ -38,6 +38,8 @@ Optional properties:
> mode;
> - mediatek,syscon-wakeup : phandle to syscon used to access USB wakeup
> control register, it depends on "mediatek,wakeup-src".
> + - mediatek,u3p-dis-msk : mask to disable u3ports, bit0 for u3port0,
> + bit1 for u3port1, ... etc;

I think you should have child nodes for ports and use "status" to
disable them (or omit them). IIRC, the common USB bus binding already
defines ports.

> - vbus-supply : reference to the VBUS regulator;
> - usb3-lpm-capable : supports USB3.0 LPM
> - pinctrl-names : a pinctrl state named "default" must be defined
> --
> 1.7.9.5
>

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