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SubjectRe: [PATCH v3 2/2] dt-bindings: iio: adc: add Texas Instruments ADS7924
On Sun, 15 Jan 2023 20:17:24 +0100
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> wrote:

> On 15/01/2023 17:32, Hugo Villeneuve wrote:
> >>>>> + required:
> >>>>> + - reg
> >>>>> +
> >>>>> + additionalProperties: false
> >>>>
> >>>> You are not allowing anything else from adc.yaml. Is it on purpose?
> >>>
> >>> I am really not an expert with this Yaml stuff, and reading the documentation makes me probably more confused than before reading it :)
> >>>
> >>> But one thing that is for sure is that these other properties in adc.yaml are not used in my driver:
> >>>
> >>> bipolar
> >>> diff-channels
> >>> settling-time-us
> >>> oversampling-ratio
> >>>
> >>> So is it Ok then to use "additionalProperties: false"? I think so, but what is your recommandation?
> >>
> >> Makes sense to me. Whilst there are lots of things a channel can support, most
> >> of them are hardware related and not universal.
> >
> > Ok, I think I am finally beginning to see the light here :)
> >
> > So I will then leave "additionalProperties: false".
> >
> > I will send a V4 soon with all the latest changes.
> >
>
> Just to clarify - we talk about hardware, not your Linux driver. What
> your driver uses or doesn't, should not matter here that much.

Hi,
the following properties are definitely not supported by the hardware:
bipolar
diff-channels
oversampling-ratio

does this means that we should add these lines?
bipolar: false
diff-channels: false
oversampling-ratio: false

as for settling-time-us, I am not sure of its usage and if its related to this hardware.

Hugo.


> Best regards,
> Krzysztof
>
>


--
Hugo Villeneuve <hugo@hugovil.com>

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