Re: [PATCH v3 1/5] dt-bindings: iio: hmc425a: add conditional GPIO array size constraints

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On Mon, Jan 15, 2024 at 03:30:14PM +0200, Dumitru Ceclan wrote:
> ADRF5740 and HMC540S have a 4 bit parallel interface.
> Update ctr-gpios description and min/maxItems values depending on the

ctrl-gpios

> matched compatible to correctly reflect the hardware properties.
> 
> Fixes: 79f2ff6461e7 ("dt-bindings: iio: hmc425a: add entry for ADRF5740 Attenuator")
> Fixes: 20f87a9a26be ("dt-bindings: iio: hmc425a: add entry for HMC540S")
> 

No blank line here.

> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> Signed-off-by: Dumitru Ceclan <mitrutzceclan@xxxxxxxxx>
> ---
>  .../bindings/iio/amplifiers/adi,hmc425a.yaml  | 33 +++++++++++++++++--
>  1 file changed, 30 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
> index 67de9d4e3a1d..a434cb8ddcc9 100644
> --- a/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
> +++ b/Documentation/devicetree/bindings/iio/amplifiers/adi,hmc425a.yaml
> @@ -33,11 +33,38 @@ properties:
>  
>    ctrl-gpios:
>      description:
> -      Must contain an array of 6 GPIO specifiers, referring to the GPIO pins
> -      connected to the control pins V1-V6.
> -    minItems: 6
> +      Must contain an array of GPIO specifiers, referring to the GPIO pins
> +      connected to the control pins.
> +        ADRF5740  - 4 GPIO connected to D2-D5
> +        HMC540S   - 4 GPIO connected to V1-V4
> +        HMC425A   - 6 GPIO connected to V1-V6
> +    minItems: 1
>      maxItems: 6
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: adi,hmc425a
> +    then:
> +      properties:
> +        ctrl-gpios:
> +          minItems: 6
> +          maxItems: 6
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            anyOf:
> +              - const: adi,adrf5740
> +              - const: adi,hmc540s
> +    then:
> +      properties:
> +        ctrl-gpios:
> +          minItems: 4
> +          maxItems: 4
> +
>  required:
>    - compatible
>    - ctrl-gpios
> -- 
> 2.42.0
> 




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