[PATCH 06/17] dt-bindings: rtc: s3c-rtc: add specific compatibles for existing SoC

[Alexandre Belloni]

On 08/11/2023 11:43:32+0100, Krzysztof Kozlowski 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 at linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni at bootlin.com>

> 
> ---
> 
> I propose to take the patch through Samsung SoC (me). See cover letter
> for explanation.
> ---
>  Documentation/devicetree/bindings/rtc/s3c-rtc.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml b/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml
> index d51b236939bf..bf4e11d6dffb 100644
> --- a/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml
> +++ b/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml
> @@ -17,6 +17,11 @@ properties:
>            - samsung,s3c2416-rtc
>            - samsung,s3c2443-rtc
>            - samsung,s3c6410-rtc
> +      - items:
> +          - enum:
> +              - samsung,exynos7-rtc
> +              - samsung,exynos850-rtc
> +          - const: samsung,s3c6410-rtc
>        - const: samsung,exynos3250-rtc
>          deprecated: true
>  
> -- 
> 2.34.1
> 
> 

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com