linux-kernel - Re: [PATCH v8 3/8] dt-bindings: usb: dwc3: Add IPQ9574 compatible

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Date:   Fri, 21 Apr 2023 15:46:38 +0530
From:   Varadarajan Narayanan <quic_varada@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
CC:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <vkoul@...nel.org>,
        <kishon@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <gregkh@...uxfoundation.org>,
        <mturquette@...libre.com>, <sboyd@...nel.org>,
        <quic_wcheng@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
        <linux-clk@...r.kernel.org>
Subject: Re: [PATCH v8 3/8] dt-bindings: usb: dwc3: Add IPQ9574 compatible

On Thu, Apr 06, 2023 at 09:43:48AM +0200, Krzysztof Kozlowski wrote:
> On 05/04/2023 13:41, Varadarajan Narayanan wrote:
> > Document the IPQ9574 dwc3 compatible.
> >
> > Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> > ---
> >  Changes in v6:
> > 	- Made power-domains as optional
> > 	- Resolved all 'make dtbs_check' messages
> >
> >  Changes in v5:
> > 	- Restore removed constraints
> >
> >  Changes in v4:
> > 	- Update other relevant sections
> > 	- Remove constraints not applicable to IPQ9574
> > ---
> >  .../devicetree/bindings/usb/qcom,dwc3.yaml         | 22 +++++++++++++++++++++-
> >  1 file changed, 21 insertions(+), 1 deletion(-)
> >
> > diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
> > index d842819..f5dd268 100644
> > --- a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
> > +++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
> > @@ -17,6 +17,7 @@ properties:
> >            - qcom,ipq6018-dwc3
> >            - qcom,ipq8064-dwc3
> >            - qcom,ipq8074-dwc3
> > +          - qcom,ipq9574-dwc3
> >            - qcom,msm8953-dwc3
> >            - qcom,msm8994-dwc3
> >            - qcom,msm8996-dwc3
> > @@ -133,7 +134,6 @@ required:
> >    - "#address-cells"
> >    - "#size-cells"
> >    - ranges
> > -  - power-domains
>
>
> Power domains are required. Commit msg does not explain why this should
> be now optional.

Since IPQ9574 doesn't have power switches, couldn't provide power-domains info.
So, had to make it optional to pass 'make dtbs_check'.

Will post patch with updated commit msg.

> >    - clocks
> >    - clock-names
> >    - interrupts
> > @@ -197,6 +197,26 @@ allOf:
> >              - const: iface
> >              - const: sleep
> >              - const: mock_utmi
> > +      required:
> > +        - power-domains
> > +
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            enum:
> > +              - qcom,ipq9574-dwc3
>
> You do not need new entry. Just open the file and file respective
> existing if.

Sure. Will fix this and post.

Thanks
Varada

> Best regards,
> Krzysztof