linux-kernel - Re: [PATCH v2 02/11] dt-bindings: marvell: convert Armada 37xx compatibles to YAML

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Date:   Wed, 11 May 2022 18:52:43 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Robert Marko <robert.marko@...tura.hr>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, andrew@...n.ch,
        gregory.clement@...tlin.com, sebastian.hesselbarth@...il.com,
        kostap@...vell.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        pali@...nel.org, marek.behun@....cz
Subject: Re: [PATCH v2 02/11] dt-bindings: marvell: convert Armada 37xx
 compatibles to YAML

On 10/05/2022 14:49, Robert Marko wrote:

Thank you for your patch. There is something to discuss/improve.

> -
> - - compatible: must contain "cznic,turris-mox"
> diff --git a/Documentation/devicetree/bindings/arm/marvell/armada-37xx.yaml b/Documentation/devicetree/bindings/arm/marvell/armada-37xx.yaml
> new file mode 100644
> index 000000000000..3f41ef2c6f3e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/marvell/armada-37xx.yaml
> @@ -0,0 +1,50 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/marvell/armada-37xx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Marvell Armada 37xx Platforms Device Tree Bindings
> +
> +maintainers:
> +  - Robert Marko <robert.marko@...tura.hr>
> +
> +properties:
> +  $nodename:
> +    const: '/'
> +  compatible:
> +    oneOf:
> +      - description: Armada 3710 SoC
> +        items:
> +          - const: marvell,armada3710

This does not look correct. The SoC usually cannot be used by itself,
it's always a part of some product, SoM, board.

> +
> +      - description: Armada 3720 SoC
> +        items:
> +          - enum:
> +              - marvell,armada-3720-db
> +              - globalscale,espressobin
> +              - cznic,turris-mox
> +              - methode,udpu

Order by name.

> +          - const: marvell,armada3720
> +          - const: marvell,armada3710
> +
> +      - description: Globalscale Espressobin boards
> +        items:
> +          - enum:
> +              - globalscale,espressobin-emmc
> +              - globalscale,espressobin-ultra
> +              - globalscale,espressobin-v7
> +          - const: globalscale,espressobin
> +          - const: marvell,armada3720
> +          - const: marvell,armada3710
> +
> +      - description: Globalscale Espressobin V7 boards
> +        items:
> +          - enum:
> +              - globalscale,espressobin-v7-emmc
> +          - const: globalscale,espressobin-v7
> +          - const: globalscale,espressobin
> +          - const: marvell,armada3720
> +          - const: marvell,armada3710
> +
> +additionalProperties: true


Best regards,
Krzysztof