Re: [PATCH v6 3/3] dt-bindings: input: Update dtbinding for adp5588

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On Thu, 2024-07-04 at 11:45 +0100, Utsav Agarwal via B4 Relay wrote:
> From: Utsav Agarwal <utsav.agarwal@xxxxxxxxxx>
> 
> Updating dt bindings for adp5588. Since the device can now function in a
> purely gpio mode, the following keypad specific properties are now made
> optional:
> 	- interrupts
> 	- keypad,num-rows
> 	- keypad,num-columns
> 	- linux,keymap
> 
> However the above properties are required to be specified when
> configuring the device as a keypad, dependencies have been added
> such that specifying either one would require the remaining as well.
> 
> Note that interrupts are optional, but required when the device has been
> configured in keypad mode.
> 
> Signed-off-by: Utsav Agarwal <utsav.agarwal@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/input/adi,adp5588.yaml     | 46 +++++++++++++++++++--
> -
>  1 file changed, 41 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/input/adi,adp5588.yaml
> b/Documentation/devicetree/bindings/input/adi,adp5588.yaml
> index 26ea66834ae2..83d1fe19e300 100644
> --- a/Documentation/devicetree/bindings/input/adi,adp5588.yaml
> +++ b/Documentation/devicetree/bindings/input/adi,adp5588.yaml
> @@ -49,7 +49,10 @@ properties:
>    interrupt-controller:
>      description:
>        This property applies if either keypad,num-rows lower than 8 or
> -      keypad,num-columns lower than 10.
> +      keypad,num-columns lower than 10. This property is optional if
> +      keypad,num-rows or keypad,num-columns are not specified since the
> +      device then acts as gpio only, during which interrupts may or may
> +      not be utilized.
>  
>    '#interrupt-cells':
>      const: 2
> @@ -65,13 +68,28 @@ properties:
>      minItems: 1
>      maxItems: 2
>  
> +
> +dependencies:
> +  keypad,num-rows:
> +    - linux,keymap
> +    - keypad,num-columns
> +  keypad,num-columns:
> +    - linux,keymap
> +    - keypad,num-rows
> +  linux,keymap:
> +    - keypad,num-rows
> +    - keypad,num-columns

The above seems pretty generic. Maybe it could be moved into matrix-keymap.yaml
at some point...

- Nuno Sá







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