linux-kernel - Re: [RFC v4 1/5] dt-bindings: usb: Add bindings to support multiport properties

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Message-ID: <20230118182008.GA3353734@hu-bjorande-lv.qualcomm.com>
Date:   Wed, 18 Jan 2023 10:20:08 -0800
From:   Bjorn Andersson <quic_bjorande@...cinc.com>
To:     Krishna Kurapati <quic_kriskura@...cinc.com>
CC:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        "Andy Gross" <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        "Konrad Dybcio" <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Felipe Balbi <balbi@...nel.org>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <quic_pkondeti@...cinc.com>,
        <quic_ppratap@...cinc.com>, <quic_wcheng@...cinc.com>,
        <quic_jackp@...cinc.com>, <quic_harshq@...cinc.com>
Subject: Re: [RFC v4 1/5] dt-bindings: usb: Add bindings to support multiport
 properties

On Sun, Jan 15, 2023 at 05:11:42PM +0530, Krishna Kurapati wrote:
> diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
[..]
>    phy-names:
>      minItems: 1
> -    maxItems: 2
> -    items:
> -      enum:
> -        - usb2-phy
> -        - usb3-phy
> +    maxItems: 8
> +    oneOf:
> +    - items:
> +        enum:
> +          - usb2-phy
> +          - usb3-phy
> +    - items:
> +        enum:
> +          - usb2-phy_port0
> +          - usb2-phy_port1
> +          - usb2-phy_port2
> +          - usb2-phy_port3
> +          - usb3-phy_port0
> +          - usb3-phy_port1
> +          - usb3-phy_port2
> +          - usb3-phy_port3

How about expressing this as:

    oneOf:
      - items:
          enum: [ usb2-phy, usb3-phy ]
      - items:
          pattern: "^usb[23]-phy_port[0-3]$"

Regards,
Bjorn