linux-kernel - Re: [PATCH v7 1/5] dt-bindings: PCI: ti,j721e-pci-*: add checks for num-lanes

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Date:   Sat, 26 Nov 2022 15:30:19 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Matt Ranostay <mranostay@...com>, rogerq@...nel.org,
        lpieralisi@...nel.org, robh@...nel.org, kw@...ux.com,
        bhelgaas@...gle.com, vigneshr@...com, tjoseph@...ence.com,
        sergio.paracuellos@...il.com, pthombar@...ence.com,
        linux-pci@...r.kernel.org
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 1/5] dt-bindings: PCI: ti,j721e-pci-*: add checks for
 num-lanes

On 24/11/2022 09:12, Matt Ranostay wrote:
> Add num-lanes schema checks based on compatible string on available lanes
> for that platform.
> 
> Signed-off-by: Matt Ranostay <mranostay@...com>
> ---
>  .../bindings/pci/ti,j721e-pci-ep.yaml         | 28 +++++++++++++++++--
>  .../bindings/pci/ti,j721e-pci-host.yaml       | 28 +++++++++++++++++--
>  2 files changed, 50 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
> index 10e6eabdff53..1aeea168d3d0 100644
> --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
> @@ -10,9 +10,6 @@ title: TI J721E PCI EP (PCIe Wrapper)
>  maintainers:
>    - Kishon Vijay Abraham I <kishon@...com>
>  
> -allOf:
> -  - $ref: "cdns-pcie-ep.yaml#"
> -
>  properties:
>    compatible:
>      oneOf:
> @@ -65,6 +62,31 @@ properties:
>      items:
>        - const: link_state
>  
> +allOf:
> +  - $ref: "cdns-pcie-ep.yaml#"

While moving it, drop the quotes.

> +  - if:
> +      properties:
> +        compatible:
> +          enum:
> +            - ti,am64-pcie-ep
> +    then:
> +      properties:
> +        num-lanes:
> +          minimum: 1
> +          maximum: 1
> +
> +  - if:
> +      properties:
> +        compatible:
> +          enum:
> +            - ti,j7200-pcie-ep
> +            - ti,j721e-pcie-ep
> +    then:
> +      properties:
> +        num-lanes:
> +          minimum: 1
> +          maximum: 2
> +
>  required:
>    - compatible
>    - reg
> diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
> index b0513b197d08..8eca0d08303f 100644
> --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
> +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
> @@ -10,9 +10,6 @@ title: TI J721E PCI Host (PCIe Wrapper)
>  maintainers:
>    - Kishon Vijay Abraham I <kishon@...com>
>  
> -allOf:
> -  - $ref: "cdns-pcie-host.yaml#"
> -
>  properties:
>    compatible:
>      oneOf:
> @@ -98,6 +95,31 @@ properties:
>        interrupts:
>          maxItems: 1
>  
> +allOf:
> +  - $ref: "cdns-pcie-host.yaml#"

Same here.

> +  - if:
> +      properties:
> +        compatible:
> +          enum:
> +            - ti,am64-pcie-host
> +    then:
> +      properties:
> +        num-lanes:

const: 1



Best regards,
Krzysztof