linux-kernel - Re: [PATCH] dt-bindings: phy: Document sm8450 pcie phys as having 4 clocks

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Message-ID: <ZVRwKaUTDBaYsnQS@hovoldconsulting.com>
Date:   Wed, 15 Nov 2023 08:15:53 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Elliot Berman <quic_eberman@...cinc.com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: phy: Document sm8450 pcie phys as having 4
 clocks

On Fri, Nov 03, 2023 at 04:03:38PM -0700, Elliot Berman wrote:
> I noticed while running make dtbs_check that
> qcom,sm8450-qmp-gen3x1-pcie-phy and qcom,sm8450-qmp-gen4x2-pcie-phy have
> 4 clocks, not 5. There was also a typo for the 8450 bindings:
> s/gen3x2/gen4x2/.
> 
> Update the bindings to reflect the correct number of required clocks.
> 
> Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Fixes: 505fb2541678 ("dt-bindings: phy: migrate QMP PCIe PHY bindings to qcom,sc8280xp-qmp-pcie-phy.yaml")
> Signed-off-by: Elliot Berman <quic_eberman@...cinc.com>
> ---
>  .../bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml | 16 ++++++++++++++--
>  1 file changed, 14 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
> index 2c3d6553a7ba..1768f2016a9f 100644
> --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
> @@ -128,6 +128,20 @@ allOf:
>          reg:
>            maxItems: 1
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,sm8450-qmp-gen3x1-pcie-phy
> +              - qcom,sm8450-qmp-gen4x2-pcie-phy
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 4
> +        clock-names:
> +          minItems: 4
> +

I'm not sure which tree you think you're looking at but this is clearly
not correct.

The phy nodes in arch/arm64/boot/dts/qcom/sm8450.dtsi have five clocks
defined.

Johan