[PATCH 1/4] dt-bindings: PCI: mediatek-gen3: add support for Airoha EN7581

[Conor Dooley]

On Fri, Jun 21, 2024 at 04:48:47PM +0200, Lorenzo Bianconi wrote:
> Introduce Airoha EN7581 entry in mediatek-gen3 PCIe controller binding
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>
> ---
>  .../bindings/pci/mediatek-pcie-gen3.yaml      | 25 +++++++++++++++----
>  1 file changed, 20 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> index 76d742051f73..0f35cf49de63 100644
> --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> @@ -53,6 +53,7 @@ properties:
>                - mediatek,mt8195-pcie
>            - const: mediatek,mt8192-pcie
>        - const: mediatek,mt8192-pcie
> +      - const: airoha,en7581-pcie
>  
>    reg:
>      maxItems: 1
> @@ -76,20 +77,20 @@ properties:
>  
>    resets:
>      minItems: 1
> -    maxItems: 2
> +    maxItems: 3
>  
>    reset-names:
>      minItems: 1
> -    maxItems: 2
> +    maxItems: 3
>      items:
> -      enum: [ phy, mac ]
> +      enum: [ phy, mac, phy-lane0, phy-lane1, phy-lane2 ]
>  
>    clocks:
> -    minItems: 4
> +    minItems: 1
>      maxItems: 6
>  
>    clock-names:
> -    minItems: 4
> +    minItems: 1

You've now relaxed the clock requirements for all devices,
and permitted an extra reset on the existing platforms. You'll need to
add some per-device min/maxItems constraints to solve that.

Thanks,
Conor.


>      maxItems: 6
>  
>    assigned-clocks:
> @@ -186,6 +187,20 @@ allOf:
>              - const: tl_26m
>              - const: peri_26m
>              - const: top_133m
> +  - if:
> +      properties:
> +        compatible:
> +          const: airoha,en7581-pcie
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: sys_ck
> +        reset-names:
> +          items:
> +            - const: phy-lane0
> +            - const: phy-lane1
> +            - const: phy-lane2
>  
>  unevaluatedProperties: false
>  
> -- 
> 2.45.2
> 
> 
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