linux-kernel - Re: [PATCH] dt-bindings: usb: add properties for hard wired devices

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Message-ID: <20200928181247.GA3008733@bogus>
Date:   Mon, 28 Sep 2020 13:12:47 -0500
From:   Rob Herring <robh@...nel.org>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] dt-bindings: usb: add properties for hard wired devices

On Mon, Sep 28, 2020 at 02:39:50PM +0800, Chunfeng Yun wrote:
> Add some optional properties which are needed for hard wired devices
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> ---
>  Documentation/devicetree/bindings/usb/usb-hcd.yaml | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
> index 7263b7f2b510..1194a82887e7 100644
> --- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
> +++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
> @@ -22,6 +22,17 @@ properties:
>      description:
>        Name specifier for the USB PHY
>  
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +patternProperties:
> +  "^hub|device@[0-9a-f]+$":

Could be any class of device, so '@[0-9a-f]+$'

> +    type: object
> +    description: The hard wired USB devices. See usb/usb-device.txt

Ideally, we'd convert usb-device.txt to schema and reference it here.

> +
>  examples:
>    - |
>      usb {
> -- 
> 2.18.0