Re: [PATCH v8 5/7] dt-bindings: PCI: qcom: Document the IPQ5332 PCIe controller

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On Mon, Jan 27, 2025 at 12:58:48PM +0530, Varadarajan Narayanan wrote:
> Document the PCIe controller on IPQ5332 platform. IPQ5332 will
> use IPQ9574 as the fall back compatible.
> 
> Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
> ---
> v8: Use ipq9574 as fallback compatible for ipq5332 along with ipq5424
> 
> v7: Moved ipq9574 related changes to a separate patch
>     Add 'global' interrupt
> 
> v6: Commit message update only. Add info regarding the moving of
>     ipq9574 from 5 "reg" definition to 5 or 6 reg definition.
> 
> v5: Re-arrange 5332 and 9574 compatibles to handle fallback usage in dts
> 
> v4: * v3 reused ipq9574 bindings for ipq5332. Instead add one for ipq5332
>     * DTS uses ipq9574 compatible as fallback. Hence move ipq9574 to be able
>       to use the 'reg' section for both ipq5332 and ipq9574. Else, dtbs_check
>       and dt_binding_check flag errors.
> ---
>  Documentation/devicetree/bindings/pci/qcom,pcie.yaml | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> index 4b4927178abc..2ffa8480a665 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
> @@ -33,6 +33,7 @@ properties:
>            - qcom,pcie-sdx55
>        - items:
>            - enum:
> +              - qcom,pcie-ipq5332
>                - qcom,pcie-ipq5424
>            - const: qcom,pcie-ipq9574
>        - items:
> @@ -49,11 +50,11 @@ properties:
>  
>    interrupts:
>      minItems: 1
> -    maxItems: 8
> +    maxItems: 9
>  
>    interrupt-names:
>      minItems: 1
> -    maxItems: 8
> +    maxItems: 9
>  
>    iommu-map:
>      minItems: 1
> @@ -209,6 +210,7 @@ allOf:
>          compatible:
>            contains:
>              enum:
> +              - qcom,pcie-ipq5332
>                - qcom,pcie-ipq9574

As both of these compatibles will be present, you don't need to add 
ipq5332 here.

>                - qcom,pcie-sdx55
>      then:
> @@ -411,6 +413,7 @@ allOf:
>          compatible:
>            contains:
>              enum:
> +              - qcom,pcie-ipq5332
>                - qcom,pcie-ipq9574

Same here.

>      then:
>        properties:
> @@ -443,6 +446,7 @@ allOf:
>          interrupts:
>            minItems: 8
>          interrupt-names:
> +          minItems: 8
>            items:
>              - const: msi0
>              - const: msi1
> @@ -452,6 +456,7 @@ allOf:
>              - const: msi5
>              - const: msi6
>              - const: msi7
> +            - const: global
>  
>    - if:
>        properties:
> @@ -559,6 +564,7 @@ allOf:
>                enum:
>                  - qcom,pcie-apq8064
>                  - qcom,pcie-ipq4019
> +                - qcom,pcie-ipq5332
>                  - qcom,pcie-ipq8064
>                  - qcom,pcie-ipq8064v2
>                  - qcom,pcie-ipq8074
> -- 
> 2.34.1
> 




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