linux-kernel - Re: [PATCH v3 01/15] dt-bindings: PCI: qcom: Fix sc8180x clocks and interrupts

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Message-ID: <4fcbb3b7-ed44-d8e6-a601-e3e957c55ebf@linaro.org>
Date:   Wed, 31 May 2023 10:19:16 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     linux-arm-msm@...r.kernel.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>,
        Manivannan Sadhasivam <mani@...nel.org>,
        linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 01/15] dt-bindings: PCI: qcom: Fix sc8180x clocks and
 interrupts

On 30/05/2023 18:24, Vinod Koul wrote:
> Commit 45a3ec891370 ("PCI: qcom: Add sc8180x compatible") added sc8180x
> compatible and commit 075a9d55932e ("dt-bindings: PCI: qcom: Convert to
> YAML") converted the description to yaml
> 
> But there are still some errors specific to sc8180x which this change
> attempts to fix. The clocks and resets for sc8180 pcie controller are
> different so need to be documented separately

I don't get what's the error here to fix. The clocks you list are
already there as part of oneOf.

> 
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> ---
>  .../devicetree/bindings/pci/qcom,pcie.yaml    | 29 ++++++++++++++++++-
>  1 file changed, 28 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> index 81971be4e554..40a1f451a3d3 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> @@ -476,6 +476,33 @@ allOf:
>            items:
>              - const: pci # PCIe core reset
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,pcie-sc8180x
> +    then:
> +      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
> +        resets:
> +          maxItems: 1
> +        reset-names:
> +          items:
> +            - const: pci # PCIe core reset
> +
>    - if:
>        properties:
>          compatible:
> @@ -524,7 +551,6 @@ allOf:
>          compatible:
>            contains:
>              enum:
> -              - qcom,pcie-sc8180x
>                - qcom,pcie-sm8150
>                - qcom,pcie-sm8250
>      then:
> @@ -749,6 +775,7 @@ allOf:
>            contains:
>              enum:
>                - qcom,pcie-sa8540p
> +              - qcom,pcie-sc8180x
>                - qcom,pcie-sc8280xp
>      then:
>        required:

Best regards,
Krzysztof