linux-kernel - Re: [PATCH 04/12] dt-bindings: riscv: Add Allwinner D1 board compatibles

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Message-ID: <1f84e925-1a0f-6100-c444-a8157e14ab5a@linaro.org>
Date:   Tue, 16 Aug 2022 10:39:38 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Samuel Holland <samuel@...lland.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        linux-sunxi@...ts.linux.dev, Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv@...ts.infradead.org
Cc:     Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Subject: Re: [PATCH 04/12] dt-bindings: riscv: Add Allwinner D1 board
 compatibles

On 15/08/2022 08:08, Samuel Holland wrote:
> Several SoMs and boards are available that feature the Allwinner D1 SoC.
> Document their compatible strings.
> 
> Signed-off-by: Samuel Holland <samuel@...lland.org>
> ---
> 
>  .../devicetree/bindings/riscv/sunxi.yaml      | 64 +++++++++++++++++++
>  1 file changed, 64 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/riscv/sunxi.yaml
> 
> diff --git a/Documentation/devicetree/bindings/riscv/sunxi.yaml b/Documentation/devicetree/bindings/riscv/sunxi.yaml
> new file mode 100644
> index 000000000000..564a89499894
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/riscv/sunxi.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/riscv/sunxi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Allwinner RISC-V SoC-based boards
> +
> +maintainers:
> +  - Chen-Yu Tsai <wens@...e.org>
> +  - Jernej Skrabec <jernej.skrabec@...il.com>
> +  - Samuel Holland <samuel@...lland.org>
> +
> +description:
> +  Allwinner RISC-V SoC-based boards
> +
> +properties:
> +  $nodename:
> +    const: '/'
> +  compatible:
> +    oneOf:
> +      - description: Dongshan Nezha STU SoM
> +        items:
> +          - const: 100ask,dongshan-nezha-stu
> +          - const: allwinner,sun20i-d1
> +
> +      - description: D1 Nezha board
> +        items:
> +          - const: allwinner,d1-nezha

You grow the list unnecessary. Several entries should be an enum, unless
platform maintainer insists on such approach for all Allwinner Riscv
platforms. Just be aware it will grow...


Best regards,
Krzysztof