Re: [PATCH v6 1/3] dt-bindings: marvell: Document the AC5/AC5X compatibles

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On 11/05/2022 01:10, Chris Packham wrote:
> Describe the compatible properties for the Marvell Alleycat5/5X switches
> with integrated CPUs.
> 
> Alleycat5:
> * 98DX2538: 24x1G + 2x10G + 2x10G Stack
> * 98DX2535: 24x1G + 4x1G Stack
> * 98DX2532: 8x1G + 2x10G + 2x1G Stack
> * 98DX2531: 8x1G + 4x1G Stack
> * 98DX2528: 24x1G + 2x10G + 2x10G Stack
> * 98DX2525: 24x1G + 4x1G Stack
> * 98DX2522: 8x1G + 2x10G + 2x1G Stack
> * 98DX2521: 8x1G + 4x1G Stack
> * 98DX2518: 24x1G + 2x10G + 2x10G Stack
> * 98DX2515: 24x1G + 4x1G Stack
> * 98DX2512: 8x1G + 2x10G + 2x1G Stack
> * 98DX2511: 8x1G + 4x1G Stack
> 
> Alleycat5X:
> * 98DX3500: 24x1G + 6x25G
> * 98DX3501: 16x1G + 6x10G
> * 98DX3510: 48x1G + 6x25G
> * 98DX3520: 24x2.5G + 6x25G
> * 98DX3530: 48x2.5G + 6x25G
> * 98DX3540: 12x5G/6x10G + 6x25G
> * 98DX3550: 24x5G/12x10G + 6x25G
> 
> Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
> ---
> 
> Notes:
>     Changes in v6:
>     - New
> 
>  .../bindings/arm/marvell/armada-98dx2530.yaml | 27 +++++++++++++++++++
>  1 file changed, 27 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/marvell/armada-98dx2530.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/marvell/armada-98dx2530.yaml b/Documentation/devicetree/bindings/arm/marvell/armada-98dx2530.yaml
> new file mode 100644
> index 000000000000..6d9185baf0c5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/marvell/armada-98dx2530.yaml
> @@ -0,0 +1,27 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/marvell/armada-98dx2530.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Marvell Alleycat5/5X Platforms
> +
> +maintainers:
> +  - Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
> +
> +properties:
> +  $nodename:
> +    const: '/'
> +  compatible:
> +    oneOf:
> +
> +      - description: Alleycat5 (98DX25xx)
> +        items:
> +          - const: marvell,ac5

This is confusing and does not look correct. The DTS calls AC5 a SoC and
you cannot have SoC alone. It's unusable without a SoM or board.

> +
> +      - description: Alleycat5X (98DX35xx)
> +        items:
> +          - const: marvell,ac5x
> +          - const: marvell,ac5

This entry looks correct except ac5x once is called a SoC and once a
RD-AC5X board.

It cannot be both. Probably you need third compatible, assuming AC5x is
a flavor of AC5.

items:
 - enum:
     - marvell,rd-ac5x
 - const: marvell,ac5x
 - const: marvell,ac5

> +
> +additionalProperties: true


Best regards,
Krzysztof



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