Re: [PATCH 10/17] dt-bindings: iio: samsung,exynos-adc: add specific compatibles for existing SoC

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On Wed,  8 Nov 2023 11:43:36 +0100
Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:

> Samsung Exynos SoC reuses several devices from older designs, thus
> historically we kept the old (block's) compatible only.  This works fine
> and there is no bug here, however guidelines expressed in
> Documentation/devicetree/bindings/writing-bindings.rst state that:
> 1. Compatibles should be specific.
> 2. We should add new compatibles in case of bugs or features.
> 
> Add compatibles specific to each SoC in front of all old-SoC-like
> compatibles.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Acked-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> 
> ---
> 
> I propose to take the patch through Samsung SoC (me). See cover letter
> for explanation.
> ---
>  .../bindings/iio/adc/samsung,exynos-adc.yaml  | 29 +++++++++++--------
>  1 file changed, 17 insertions(+), 12 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
> index 582d0a03b814..4e40f6bed5db 100644
> --- a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
> @@ -11,18 +11,23 @@ maintainers:
>  
>  properties:
>    compatible:
> -    enum:
> -      - samsung,exynos-adc-v1                 # Exynos5250
> -      - samsung,exynos-adc-v2
> -      - samsung,exynos3250-adc
> -      - samsung,exynos4212-adc                # Exynos4212 and Exynos4412
> -      - samsung,exynos7-adc
> -      - samsung,s3c2410-adc
> -      - samsung,s3c2416-adc
> -      - samsung,s3c2440-adc
> -      - samsung,s3c2443-adc
> -      - samsung,s3c6410-adc
> -      - samsung,s5pv210-adc
> +    oneOf:
> +      - enum:
> +          - samsung,exynos-adc-v1                 # Exynos5250
> +          - samsung,exynos-adc-v2
> +          - samsung,exynos3250-adc
> +          - samsung,exynos4212-adc                # Exynos4212 and Exynos4412
> +          - samsung,exynos7-adc
> +          - samsung,s3c2410-adc
> +          - samsung,s3c2416-adc
> +          - samsung,s3c2440-adc
> +          - samsung,s3c2443-adc
> +          - samsung,s3c6410-adc
> +          - samsung,s5pv210-adc
> +      - items:
> +          - enum:
> +              - samsung,exynos5433-adc
> +          - const: samsung,exynos7-adc
>  
>    reg:
>      maxItems: 1





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