Re: [PATCH v12 1/2] spi: add loongson spi bindings

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On 08/06/2023 09:28, Yinbo Zhu wrote:
> Add the Loongson platform spi binding with DT schema format using
> json-schema.

Please use subject prefixes matching the subsystem. You can get them for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching.

The prefix for SPI should be: "spi: dt-bindings: ". In the same time
last "bindings" are redundant.

> 
> Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
>  .../bindings/spi/loongson,ls2k-spi.yaml       | 41 +++++++++++++++++++
>  MAINTAINERS                                   |  6 +++
>  2 files changed, 47 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
> 
> diff --git a/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml
> new file mode 100644
> index 000000000000..423ee851edd5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/loongson,ls2k-spi.yaml

Filename based on compatible.

> @@ -0,0 +1,41 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/loongson,ls2k-spi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Loongson SPI controller
> +
> +maintainers:
> +  - Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
> +
> +allOf:
> +  - $ref: /schemas/spi/spi-controller.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - loongson,ls2k1000-spi

No compatibles for other devices? Didn't we have big discussion about this?

https://elixir.bootlin.com/linux/v6.1-rc1/source/Documentation/devicetree/bindings/writing-bindings.rst#L42

Best regards,
Krzysztof




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