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Message-ID: <20231116060541.GC3443@thinkpad>
Date:   Thu, 16 Nov 2023 11:35:41 +0530
From:   Manivannan Sadhasivam <mani@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: PCI: qcom: correct clocks for SC8180x
 and SM8150

On Sun, Nov 12, 2023 at 07:45:57PM +0100, Krzysztof Kozlowski wrote:
> PCI node in Qualcomm SC8180x DTS has 8 clocks, while one on SM8150 has 7
> clocks:
> 
>   sc8180x-primus.dtb: pci@...0000: 'oneOf' conditional failed, one must be fixed:
>     ['pipe', 'aux', 'cfg', 'bus_master', 'bus_slave', 'slave_q2a', 'ref', 'tbu'] is too short
> 
>   sm8150-hdk.dtb: pci@...0000: 'oneOf' conditional failed, one must be fixed:
>     ['pipe', 'aux', 'cfg', 'bus_master', 'bus_slave', 'slave_q2a', 'ref', 'tbu'] is too short

This error says that SM8150 has 8 clocks defined in DT, but it has only 7. I'm
confused.

> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Anyway, the patch looks good to me.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

- Mani

> ---
>  .../devicetree/bindings/pci/qcom,pcie.yaml    | 58 ++++++++++++++++++-
>  1 file changed, 57 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> index 14d25e8a18e4..4c993ea97d7c 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> @@ -479,6 +479,35 @@ allOf:
>            items:
>              - const: pci # PCIe core reset
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,pcie-sc8180x
> +    then:
> +      oneOf:
> +        - properties:
> +            clocks:
> +              minItems: 8
> +              maxItems: 8
> +            clock-names:
> +              items:
> +                - const: pipe # PIPE clock
> +                - const: aux # Auxiliary clock
> +                - const: cfg # Configuration clock
> +                - const: bus_master # Master AXI clock
> +                - const: bus_slave # Slave AXI clock
> +                - const: slave_q2a # Slave Q2A clock
> +                - const: ref # REFERENCE clock
> +                - const: tbu # PCIe TBU clock
> +      properties:
> +        resets:
> +          maxItems: 1
> +        reset-names:
> +          items:
> +            - const: pci # PCIe core reset
> +
>    - if:
>        properties:
>          compatible:
> @@ -527,8 +556,35 @@ allOf:
>          compatible:
>            contains:
>              enum:
> -              - qcom,pcie-sc8180x
>                - qcom,pcie-sm8150
> +    then:
> +      oneOf:
> +        - properties:
> +            clocks:
> +              minItems: 7
> +              maxItems: 7
> +            clock-names:
> +              items:
> +                - const: pipe # PIPE clock
> +                - const: aux # Auxiliary clock
> +                - const: cfg # Configuration clock
> +                - const: bus_master # Master AXI clock
> +                - const: bus_slave # Slave AXI clock
> +                - const: slave_q2a # Slave Q2A clock
> +                - const: tbu # PCIe TBU clock
> +      properties:
> +        resets:
> +          maxItems: 1
> +        reset-names:
> +          items:
> +            - const: pci # PCIe core reset
> +
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
>                - qcom,pcie-sm8250
>      then:
>        oneOf:
> -- 
> 2.34.1
> 

-- 
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