Re: [PATCH v2 3/7] dt-bindings: soc: samsung: exynos-pmu: deprecate google,pmu-intr-gen-syscon

[Rob Herring <robh@kernel.org>]

On Wed, Apr 01, 2026 at 05:51:56AM +0100, Alexey Klimov wrote:
> The generic property samsung,pmu-intr-gen-syscon should be used
> by default for Samsung Exynos PMU hardware blocks. Update binding
> document to add deprecated flag for google,pmu-intr-gen-syscon
> property.
> While at this, also add dependency to not allow usage of both
> above mentioned properties in the same time.
> 
> Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org>
> ---
>  Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
> index 92acdfd5d44e..1ff1a8729989 100644
> --- a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
> +++ b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
> @@ -119,6 +119,7 @@ properties:
>      $ref: /schemas/types.yaml#/definitions/phandle
>      description:
>        Phandle to PMU interrupt generation interface.
> +    deprecated: true

Deprecating doesn't really help. We still have to support both forever. 

>  
>  required:
>    - compatible
> @@ -207,6 +208,11 @@ allOf:
>        properties:
>          samsung,pmu-intr-gen-syscon: false
>  
> +dependencies:
> +  google,pmu-intr-gen-syscon:
> +    not:
> +      required: ['samsung,pmu-intr-gen-syscon']

Disallowing both means you couldn't update the DT in a compatible way 
where you have both properties for some transistion period.

Rob