linux-kernel - Re: [PATCH 1/8] dt-bindings: soc: qcom: eud: Add phy related bindings

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Message-ID: <63cf3198-fb79-466f-b80a-024e970e400a@kernel.org>
Date: Wed, 31 Jul 2024 07:33:41 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Elson Roy Serrao <quic_eserrao@...cinc.com>, andersson@...nel.org,
 konrad.dybcio@...aro.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, gregkh@...uxfoundation.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 1/8] dt-bindings: soc: qcom: eud: Add phy related bindings

On 31/07/2024 00:24, Elson Roy Serrao wrote:
> Embedded USB Debugger(EUD) being a High-Speed USB  hub needs
> HS-Phy support for it's operation. Hence document phy bindings
> to support this.
> 
> Signed-off-by: Elson Roy Serrao <quic_eserrao@...cinc.com>

A nit, subject: drop second/last, redundant "bindings". The
"dt-bindings" prefix is already stating that these are bindings.
See also:
https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L18

> ---
>  .../devicetree/bindings/soc/qcom/qcom,eud.yaml       | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml
> index f2c5ec7e6437..fca5b608ec63 100644
> --- a/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml
> +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml
> @@ -29,6 +29,14 @@ properties:
>      description: EUD interrupt
>      maxItems: 1
>  
> +  phys:
> +    items:
> +      - description: USB2/HS PHY needed for EUD functionality
> +
> +  phy-names:
> +    items:
> +      - const: usb2-phy
> +
>    ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>      description:
> @@ -48,6 +56,8 @@ properties:
>  required:
>    - compatible
>    - reg
> +  - phys
> +  - phy-names

That's an ABI break and nothing in commit msg justified it.

Best regards,
Krzysztof