On Wed, 8 Nov 2023 11:43:36 +0100
Krzysztof Kozlowski <[email protected]> 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 <[email protected]>
Acked-by: Jonathan Cameron <[email protected]>
>
> ---
>
> 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