Re: [PATCH v4 7/8] dt-bindings: iio: sx9360: Add precharge resistor setting

[Rob Herring <robh@kernel.org>]

On Wed, Apr 06, 2022 at 09:50:10AM -0700, Gwendal Grignou wrote:
> Allow configure the resistance used during precharge.
> 
> Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
> ---
> Changes since v3:
> - Fix maximum field. Check make dt_binding_check passes.
> 
> Changes since v2:
> - Change kOhms into ohms.
> 
> Changes since v1:
> - Suffix property with kOhms.
> 
>  .../bindings/iio/proximity/semtech,sx9360.yaml           | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9360.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9360.yaml
> index 63e1a1fd00d4c..20c2759ced436 100644
> --- a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9360.yaml
> +++ b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9360.yaml
> @@ -61,6 +61,14 @@ properties:
>        UINT_MAX (4294967295) represents infinite. Other values
>        represent 1-1/N.
>  
> +  semtech,input-precharge-resistor-ohms:
> +    default: 0
> +    description:
> +      Pre-charge input resistance in Ohm.
> +      Rounded down to a 2000 Ohm multiple.

You can have 'multipleOf: 2000' as a constraint.

> +    minimum: 0
> +    maximum: 30000
> +
>  required:
>    - compatible
>    - reg
> @@ -85,5 +93,6 @@ examples:
>          semtech,resolution = <256>;
>          semtech,proxraw-strength = <2>;
>          semtech,avg-pos-strength = <64>;
> +        semtech,input-precharge-resistor-ohms = <4000>;
>        };
>      };
> -- 
> 2.35.1.1094.g7c7d902a7c-goog
> 
>