[PATCH 09/14] dt-bindings: input: samsung,s3c6410-keypad: introduce compact binding

[Krzysztof Kozlowski]

On Sun, Aug 18, 2024 at 09:58:06PM -0700, Dmitry Torokhov wrote:
> The binding with a sub-node per each key is very verbose and is hard to
> use with static device properties. Allow standard matrix keymap binding
> in addition to the verbose one.
> 
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov at gmail.com>
> ---
>  .../input/samsung,s3c6410-keypad.yaml         | 57 ++++++++++++++++++-
>  1 file changed, 54 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/input/samsung,s3c6410-keypad.yaml b/Documentation/devicetree/bindings/input/samsung,s3c6410-keypad.yaml
> index a53569aa0ee7..28a318a0ff7e 100644
> --- a/Documentation/devicetree/bindings/input/samsung,s3c6410-keypad.yaml
> +++ b/Documentation/devicetree/bindings/input/samsung,s3c6410-keypad.yaml
> @@ -16,6 +16,10 @@ description:
>  maintainers:
>    - Krzysztof Kozlowski <krzk at kernel.org>
>  
> +allOf:
> +  - $ref: input.yaml#
> +  - $ref: matrix-keymap.yaml#
> +
>  properties:
>    compatible:
>      enum:
> @@ -37,6 +41,10 @@ properties:
>  
>    wakeup-source: true
>  
> +  keypad,num-columns: true
> +  keypad,num-rows: true
> +  linux,keymap: true
> +
>    linux,input-no-autorepeat:
>      type: boolean
>      description:
> @@ -81,12 +89,33 @@ patternProperties:
>        - keypad,row
>        - linux,code
>  
> +dependencies:
> +  linux,keymap:
> +    required:

Why "required" keyword? The dependencies should have just list of
properties. See example-schema.

> +      - keypad,num-columns
> +      - keypad,num-rows
> +
>  required:
>    - compatible
>    - reg
>    - interrupts
> -  - samsung,keypad-num-columns
> -  - samsung,keypad-num-rows
> +
> +if:

put allOf: here and this within allOf, so you the "if" could grow in the
future.

Best regards,
Krzysztof