linux-kernel - Re: [PATCH v4 1/2] dt-bindings: usb: Add binding for discrete onboard USB hubs

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Date:   Mon, 28 Sep 2020 15:13:26 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        LKML <linux-kernel@...r.kernel.org>, linux-usb@...r.kernel.org,
        Bastien Nocera <hadess@...ess.net>,
        Stephen Boyd <swboyd@...omium.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Ravi Chandra Sadineni <ravisadineni@...omium.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, Peter Chen <peter.chen@....com>
Subject: Re: [PATCH v4 1/2] dt-bindings: usb: Add binding for discrete onboard
 USB hubs

Hi,

On Mon, Sep 28, 2020 at 10:14 AM Matthias Kaehlcke <mka@...omium.org> wrote:
>
> +examples:
> +  - |
> +    usb_hub: usb-hub {
> +        compatible = "realtek,rts5411", "onboard-usb-hub";
> +        vdd-supply = <&pp3300_hub>;
> +    };
> +
> +    usb_controller {

Super nitty nit: prefer dashes for node names.


> +        dr_mode = "host";
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        /* 2.0 hub on port 1 */
> +        hub@1 {
> +            compatible = "usbbda,5411";

Presumably we need something in the bindings for "usbbda,5411" ?


> +            reg = <1>;
> +            hub = <&usb_hub>;
> +        };
> +
> +        /* 3.0 hub on port 2 */
> +        hub@2 {
> +            compatible = "usbbda,411";

Presumably we need something in the bindings for "usbbda,411" ?


-Doug