linux-kernel - Re: [PATCH 4/6] dt-bindings: riscv: Add DT binding documentation for Renesas RZ/Five SoC and SMARC EVK

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Message-ID: <636e9214-4b36-e9a6-3c6b-b6edb944335e@linaro.org>
Date:   Wed, 27 Jul 2022 10:54:23 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>
Cc:     Anup Patel <anup@...infault.org>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH 4/6] dt-bindings: riscv: Add DT binding documentation for
 Renesas RZ/Five SoC and SMARC EVK

On 26/07/2022 20:06, Lad Prabhakar wrote:
> Document Renesas RZ/Five (R9A07G043) SoC and SMARC EVK based on this SoC.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
>  .../devicetree/bindings/riscv/renesas.yaml    | 49 +++++++++++++++++++
>  1 file changed, 49 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/riscv/renesas.yaml
> 
> diff --git a/Documentation/devicetree/bindings/riscv/renesas.yaml b/Documentation/devicetree/bindings/riscv/renesas.yaml
> new file mode 100644
> index 000000000000..f72f8aea6a82
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/riscv/renesas.yaml
> @@ -0,0 +1,49 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/riscv/renesas.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas RZ/Five Platform Device Tree Bindings
> +
> +maintainers:
> +  - Geert Uytterhoeven <geert+renesas@...der.be>
> +  - Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> +
> +# We want to ignore this schema if the board is SMARC EVK based on ARM64 arch
> +select:
> +  not:
> +    properties:
> +      compatible:
> +        contains:
> +          items:

I think you should rather ignore the RiscV SoCs, not specific board.

> +            - const: renesas,smarc-evk
> +            - enum:
> +                - renesas,r9a07g043u11
> +                - renesas,r9a07g043u12
> +                - renesas,r9a07g044c1
> +                - renesas,r9a07g044c2
> +                - renesas,r9a07g044l1
> +                - renesas,r9a07g044l2
> +                - renesas,r9a07g054l1
> +                - renesas,r9a07g054l2
> +            - enum:
> +                - renesas,r9a07g043
> +                - renesas,r9a07g044
> +                - renesas,r9a07g054

Did you actually test that it works and properly matches?

> +
> +properties:
> +  $nodename:
> +    const: '/'
> +  compatible:
> +    oneOf:
> +      - description: RZ/Five (R9A07G043)
> +        items:
> +          - enum:
> +              - renesas,smarc-evk # SMARC EVK
> +          - const: renesas,r9a07g043f01
> +          - const: renesas,r9a07g043
> +
> +additionalProperties: true
> +
> +...


Best regards,
Krzysztof