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, Apr 28, 2021 at 05:59:31PM +0100, Jonathan Cameron wrote:
> 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.

Ok, thank you!


> 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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