[PATCH v6 04/11] dt-bindings: PCI: mediatek-gen3: add SoC based clock config

[Matthias Brugger]

On 18/11/2022 20:01, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w at public-files.de>
> 
> The PCIe driver covers different SOC which needing different clock
> configs. Define them based on compatible.
> 
> Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
> Reviewed-by: Rob Herring <robh at kernel.org>
> Acked-by: Jianjun Wang <jianjun.wang at mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

Reviewed-by: Matthias Brugger <matthias.bgg at gmail.com>

> ---
> v2:
> - fix typo in mediatek,mt8192-pcie
> v3:
> - remove contains to match only if compatible is no fallback
>    tested with series "Add driver nodes for MT8195 SoC" and mt7986
>    pcie-nodes, dtbs_check is now clean
> ---
>   .../bindings/pci/mediatek-pcie-gen3.yaml      | 47 ++++++++++++++-----
>   1 file changed, 35 insertions(+), 12 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> index c00be39af64e..5d7369debff2 100644
> --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> @@ -43,9 +43,6 @@ description: |+
>     each set has its own address for MSI message, and supports 32 MSI vectors
>     to generate interrupt.
>   
> -allOf:
> -  - $ref: /schemas/pci/pci-bus.yaml#
> -
>   properties:
>     compatible:
>       oneOf:
> @@ -84,15 +81,7 @@ properties:
>       maxItems: 6
>   
>     clock-names:
> -    items:
> -      - const: pl_250m
> -      - const: tl_26m
> -      - const: tl_96m
> -      - const: tl_32k
> -      - const: peri_26m
> -      - enum:
> -          - top_133m        # for MT8192
> -          - peri_mem        # for MT8188/MT8195
> +    maxItems: 6
>   
>     assigned-clocks:
>       maxItems: 1
> @@ -138,6 +127,40 @@ required:
>     - '#interrupt-cells'
>     - interrupt-controller
>   
> +allOf:
> +  - $ref: /schemas/pci/pci-bus.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          const: mediatek,mt8192-pcie
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: pl_250m
> +            - const: tl_26m
> +            - const: tl_96m
> +            - const: tl_32k
> +            - const: peri_26m
> +            - const: top_133m
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - mediatek,mt8188-pcie
> +              - mediatek,mt8195-pcie
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: pl_250m
> +            - const: tl_26m
> +            - const: tl_96m
> +            - const: tl_32k
> +            - const: peri_26m
> +            - const: peri_mem
> +
>   unevaluatedProperties: false
>   
>   examples: