Re: [PATCH v2 4/5] dt-bindings: iio: adc: adi,ad7606: add gain calibration support

[David Lechner]

On 5/2/25 8:27 AM, Angelo Dureghello wrote:
> From: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
> 
> Add gain calibration support by a per-channel resistor value.
> 
> Signed-off-by: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/iio/adc/adi,ad7606.yaml    | 29 ++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
> index 29f12d650442b8ff2eb455306ce59a0e87867ddd..d4b8ea51f60be367e79a4db18d932cbca9c7dc91 100644
> --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
> @@ -204,6 +204,15 @@ patternProperties:
>            considered a bipolar differential channel. Otherwise it is bipolar
>            single-ended.
>  
> +      adi,rfilter-ohms:
> +        description:
> +          For ADCs that supports gain calibration, this property must be set to
> +          the value of the external RFilter resistor. Proper gain error
> +          correction is applied based on this value.
> +        default: 0
> +        minimum: 0
> +        maximum: 65536
> +
Max should be 64512.