Re: [PATCH v6 1/3] dt-bindings:iio:adc: add generic settling-time-us and oversampling-ratio channel properties
From: Oleksij Rempel
Date: Thu Apr 29 2021 - 00:28:51 EST
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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