Re: [PATCH 1/3] dt-bindings: adc-joystick: bindings for adc-joystick-polled

[Artur Rojek <contact@artur-rojek.eu>]

On 2022-06-01 21:17, Chris Morgan wrote:
> From: Chris Morgan <macromorgan@hotmail.com>

Hi Chris,

> 
> Add devicetree bindings for adc-joystick-polled.
> 
> Signed-off-by: Maya Matuszczyk <maccraft123mc@gmail.com>
> Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
> ---
>  Documentation/devicetree/bindings/input/adc-joystick.yaml | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/input/adc-joystick.yaml
> b/Documentation/devicetree/bindings/input/adc-joystick.yaml
> index 2ee04e03bc22..a9d2ac157322 100644
> --- a/Documentation/devicetree/bindings/input/adc-joystick.yaml
> +++ b/Documentation/devicetree/bindings/input/adc-joystick.yaml
> @@ -12,11 +12,15 @@ maintainers:
> 
>  description: >
>    Bindings for joystick devices connected to ADC controllers 
> supporting
> -  the Industrial I/O subsystem.
> +  the Industrial I/O subsystem. Supports both polled devices where no
> +  iio trigger is available and non-polled devices which are triggered
> +  by iio.
> 
>  properties:
>    compatible:
> -    const: adc-joystick
> +    enum:
> +      - adc-joystick
> +      - adc-joystick-polled

There is no need to create a new compatible for your functionality. 
Instead, just add a new (optional) property.

cheers,
Artur

> 
>    io-channels:
>      minItems: 1