Re: [PATCH v6 01/20] dt-bindings: imx6q-pcie: Fix clock names for imx6sx and imx8mq

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On Mon, Nov 07, 2022 at 11:49:15PM +0300, Serge Semin wrote:
> Originally as it was defined the legacy bindings the pcie_inbound_axi and
> pcie_aux clock names were supposed to be used in the fsl,imx6sx-pcie and
> fsl,imx8mq-pcie devices respectively. But the bindings conversion has been
> incorrectly so now the fourth clock name is defined as "pcie_inbound_axi
> for imx6sx-pcie, pcie_aux for imx8mq-pcie", which is completely wrong.
> Let's fix that by conditionally apply the clock-names constraints based on
> the compatible string content.
> 
> Fixes: 751ca492f131 ("dt-bindings: PCI: imx6: convert the imx pcie controller to dtschema")
> Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
> Acked-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
> 
> ---
> 
> Changelog v5:
> - This is a new patch added on the v5 release of the patchset.
> ---
>  .../bindings/pci/fsl,imx6q-pcie.yaml          | 47 +++++++++++++++++--
>  1 file changed, 42 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
> index 376e739bcad4..ebfe75f1576e 100644
> --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
> @@ -16,6 +16,47 @@ description: |+
>  
>  allOf:
>    - $ref: /schemas/pci/snps,dw-pcie.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: fsl,imx6sx-pcie
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: pcie
> +            - const: pcie_bus
> +            - const: pcie_phy
> +            - const: pcie_inbound_axi
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: fsl,imx8mq-pcie
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: pcie
> +            - const: pcie_bus
> +            - const: pcie_phy
> +            - const: pcie_aux
> +  - if:
> +      properties:
> +        compatible:
> +          not:
> +            contains:
> +              enum:
> +                - fsl,imx6sx-pcie
> +                - fsl,imx8mq-pcie
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: pcie
> +            - const: pcie_bus
> +            - const: pcie_phy
>  
>  properties:
>    compatible:
> @@ -57,11 +98,7 @@ properties:
>  
>    clock-names:
>      minItems: 3
> -    items:
> -      - const: pcie
> -      - const: pcie_bus
> -      - const: pcie_phy
> -      - const: pcie_inbound_axi for imx6sx-pcie, pcie_aux for imx8mq-pcie

This should have been just 'enum: [ pcie_inbound_axi, pcie_aux ]'

And then do:

  - if:
      properties:
        compatible:
          contains:
            const: fsl,imx8mq-pcie
    then:
      properties:
        clock-names:
          items:
            - {}
            - {}
            - {}
            - const: pcie_aux


And then another if/then with 'maxItems: 3'



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