linux-kernel - Re: [PATCH] dt-bindings: mips: lantiq: Document Lantiq SoC dt bindings

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Date:   Sun, 26 Mar 2023 16:54:24 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Aleksander Jan Bajkowski <olek2@...pl>, tsbogend@...ha.franken.de,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        linux-mips@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: mips: lantiq: Document Lantiq SoC dt
 bindings

On 26/03/2023 14:29, Aleksander Jan Bajkowski wrote:
> Document the legacy Lantiq device tree bindings.

This suggests you are documenting existing compatibles, but I do not see
them at all. Confusing.

> Compatible strings for xRX100 (ar9) and newer SoCs

Please wrap commit message according to Linux coding style / submission
process (neither too early nor over the limit):
https://elixir.bootlin.com/linux/v5.18-rc4/source/Documentation/process/submitting-patches.rst#L586

> should be renamed and will be added later.

Subject: drop second/last, redundant "dt bindings". The "dt-bindings"
prefix is already stating that these are bindings.

> 
> Signed-off-by: Aleksander Jan Bajkowski <olek2@...pl>
> ---
>  .../devicetree/bindings/mips/lantiq/soc.yaml  | 38 +++++++++++++++++++
>  1 file changed, 38 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mips/lantiq/soc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mips/lantiq/soc.yaml b/Documentation/devicetree/bindings/mips/lantiq/soc.yaml
> new file mode 100644
> index 000000000000..90e8148b111b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mips/lantiq/soc.yaml
> @@ -0,0 +1,38 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mips/lantiq/soc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Lantiq SoC based Platform
> +
> +maintainers:
> +  - Aleksander Jan Bajkowski <olek2@...pl>
> +
> +description:
> +  Devices with a Lantiq CPU shall have the following properties.
> +
> +properties:
> +  $nodename:
> +    const: "/"
> +  compatible:
> +    oneOf:
> +      - description: Boards with Lantiq Amazon-SE SoC
> +        items:
> +          - const: lantiq,ase

This does not look like proper board compatible. Boards have almost
always minimum two compatibles - one for SoC and one for board. With
commit msg this just adds to confusion...


Best regards,
Krzysztof