netdev - Re: [PATCH v2 2/4] dt-bindings: usb: add properties for hard wired devices

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Message-ID: <20201012160038.GA1618651@bogus>
Date:   Mon, 12 Oct 2020 11:00:38 -0500
From:   Rob Herring <robh@...nel.org>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2 2/4] dt-bindings: usb: add properties for hard wired
 devices

On Sat, Oct 10, 2020 at 04:43:12PM +0800, Chunfeng Yun wrote:
> Add some optional properties which are needed for hard wired devices
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> ---
> v2 changes suggested by Rob:
>    1. modify pattern to support any USB class
>    2. refer to usb-device.yaml instead of usb-device.txt
> ---
>  .../devicetree/bindings/usb/usb-hcd.yaml      | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)

You can fold this into the first patch. While not explicit before, it 
was implied.

Rob

> 
> diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
> index 7263b7f2b510..42b295afdf32 100644
> --- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
> +++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
> @@ -22,9 +22,28 @@ properties:
>      description:
>        Name specifier for the USB PHY
>  
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +patternProperties:
> +  "^[a-f]+@[0-9a-f]+$":

Just define the unit-address here: "@[0-9a-f]+$"
> +    type: object
> +    $ref: /usb/usb-device.yaml
> +    description: The hard wired USB devices

Need to also define 'reg' and 'compatible' here.

> +
>  examples:
>    - |
>      usb {
>          phys = <&usb2_phy1>, <&usb3_phy1>;
>          phy-names = "usb";
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        hub@1 {
> +            compatible = "usb5e3,610";
> +            reg = <1>;
> +        };
>      };
> -- 
> 2.18.0