linux-kernel - Re: [PATCH 09/11] dt-bindings: PCI: qcom-ep: Define clocks per platform

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Message-ID: <b188b3fe-cc35-f902-b316-0c1632893e9d@linaro.org>
Date:   Sun, 28 Aug 2022 18:20:21 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        lpieralisi@...nel.org, robh@...nel.org, andersson@...nel.org
Cc:     kw@...ux.com, bhelgaas@...gle.com, linux-pci@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        konrad.dybcio@...ainline.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, devicetree@...r.kernel.org,
        dmitry.baryshkov@...aro.org
Subject: Re: [PATCH 09/11] dt-bindings: PCI: qcom-ep: Define clocks per
 platform

On 26/08/2022 21:19, Manivannan Sadhasivam wrote:
> In preparation of adding the bindings for future SoCs, let's define the
> clocks per platform.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>  .../devicetree/bindings/pci/qcom,pcie-ep.yaml | 46 +++++++++++--------
>  1 file changed, 27 insertions(+), 19 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> index b728ede3f09f..83a2cfc63bc1 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> @@ -9,9 +9,6 @@ title: Qualcomm PCIe Endpoint Controller binding
>  maintainers:
>    - Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
>  
> -allOf:
> -  - $ref: "pci-ep.yaml#"
> -
>  properties:
>    compatible:
>      const: qcom,sdx55-pcie-ep
> @@ -35,24 +32,12 @@ properties:
>        - const: mmio
>  
>    clocks:
> -    items:
> -      - description: PCIe Auxiliary clock
> -      - description: PCIe CFG AHB clock
> -      - description: PCIe Master AXI clock
> -      - description: PCIe Slave AXI clock
> -      - description: PCIe Slave Q2A AXI clock
> -      - description: PCIe Sleep clock
> -      - description: PCIe Reference clock
> +    minItems: 7
> +    maxItems: 7
>  
>    clock-names:
> -    items:
> -      - const: aux
> -      - const: cfg
> -      - const: bus_master
> -      - const: bus_slave
> -      - const: slave_q2a
> -      - const: sleep
> -      - const: ref
> +    minItems: 7
> +    maxItems: 7
>  
>    qcom,perst-regs:
>      description: Reference to a syscon representing TCSR followed by the two
> @@ -112,6 +97,29 @@ required:
>    - reset-names
>    - power-domains
>  
> +allOf:
> +  - $ref: "pci-ep.yaml#"
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,sdx55-pcie-ep
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 7
> +          maxItems: 7

One more thing - the previous way of describing items is more readable
instead of names followed by a comment, so I propose to keep it. This
applies also to patch 10.

Best regards,
Krzysztof