Re: [PATCH v6 1/3] dt-bindings:iio:adc: add generic settling-time-us and oversampling-ratio channel properties

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On Wed, 28 Apr 2021 09:32:06 +0200
Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> wrote:

> Settling time and over sampling is a typical challenge for different IIO ADC
> devices. So, introduce channel specific settling-time-us and oversampling-ratio
> properties to cover this use case.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
This and patch 2 both look good to me.  Given Rob gave a minor comment on the
previous version I don't feel I need him to look at this again.

Will pick up in a few days if no other reviews come in to require a v7.

Thanks,

Jonathan

> ---
>  Documentation/devicetree/bindings/iio/adc/adc.yaml | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adc.yaml b/Documentation/devicetree/bindings/iio/adc/adc.yaml
> index 912a7635edc4..db348fcbb52c 100644
> --- a/Documentation/devicetree/bindings/iio/adc/adc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/adc.yaml
> @@ -39,4 +39,16 @@ properties:
>        The first value specifies the positive input pin, the second
>        specifies the negative input pin.
>  
> +  settling-time-us:
> +    description:
> +      Time between enabling the channel and first stable readings.
> +
> +  oversampling-ratio:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description:
> +      Oversampling is used as replacement of or addition to the low-pass filter.
> +      In some cases, the desired filtering characteristics are a function the
> +      device design and can interact with other characteristics such as
> +      settling time.
> +
>  additionalProperties: true




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