linux-kernel - Re: [PATCH v4 2/8] dt-bindings: phy: qcom,qmp-usb: Add IPQ9574 USB3 PHY

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Date:   Thu, 30 Mar 2023 12:43:17 +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 v4 2/8] dt-bindings: phy: qcom,qmp-usb: Add IPQ9574 USB3
 PHY

On Tue, Mar 28, 2023 at 09:07:08AM +0200, Krzysztof Kozlowski wrote:
> On 27/03/2023 11:30, Varadarajan Narayanan wrote:
> > Add dt-bindings for USB3 PHY found on Qualcomm IPQ9574
> >
> > Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> > ---
> >  Changes in v4:
> > 	- Remove constraints not applicable to IPQ9574
> >  Changes in v3:
> > 	- Update other mandatory fields to accomodate IPQ9574
> >  Changes in v2:
> > 	- Updated sections missed in previous patch
> > ---
> >  .../bindings/phy/qcom,msm8996-qmp-usb3-phy.yaml    | 25 ++++++++++++++++++++--
> >  1 file changed, 23 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-usb3-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-usb3-phy.yaml
> > index e81a382..aa5b58c 100644
> > --- a/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-usb3-phy.yaml
> > +++ b/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-usb3-phy.yaml
> > @@ -21,6 +21,7 @@ properties:
> >      enum:
> >        - qcom,ipq6018-qmp-usb3-phy
> >        - qcom,ipq8074-qmp-usb3-phy
> > +      - qcom,ipq9574-qmp-usb3-phy
> >        - qcom,msm8996-qmp-usb3-phy
> >        - qcom,msm8998-qmp-usb3-phy
> >        - qcom,qcm2290-qmp-usb3-phy
> > @@ -122,8 +123,6 @@ required:
> >    - clock-names
> >    - resets
> >    - reset-names
> > -  - vdda-phy-supply
> > -  - vdda-pll-supply
> >
> >  additionalProperties: false
> >
> > @@ -204,6 +203,28 @@ allOf:
> >          compatible:
> >            contains:
> >              enum:
> > +              - qcom,ipq9574-qmp-usb3-phy
> > +    then:
> > +      properties:
> > +        clocks:
> > +          maxItems: 3
> > +        clock-names:
> > +          items:
> > +            - const: aux
> > +            - const: cfg_ahb
> > +            - const: pipe
>
> Isn't pipe the clock for child node?

Will be moving to a newer style binding (as specified in
qcom,sc8280xp-qmp-usb3-uni-phy.yaml). Will update accordingly
and post the patch.

Thanks
Varada

> Best regards,
> Krzysztof
>