Re: [PATCH RFC v2 0/3] dt-bindings: iio: adc: Add reference, excitation and burn-out properties

[Kurt Borja]

On Mon Jun 22, 2026 at 3:01 PM -05, David Lechner wrote:
> On 6/22/26 2:58 PM, Kurt Borja wrote:
>> On Mon Jun 22, 2026 at 2:38 PM -05, David Lechner wrote:
>>> On 6/22/26 2:30 PM, Kurt Borja wrote:
>>>> Hi all,
>>>>
>>>> After submitting a patch series adding support for TI ADS126X ADCs [1],
>>>> I was made aware by David [2] that at least two more chip families,
>>>> ads1220 [3] and ads1x2c14, share very similar features (though these
>>>> chips are not really compatible between them). After that, I found one
>>>> more chip with the same features which is already upstream, the
>>>> AD4170-4.
>>>>
>>>> As David explained in [2], these chips are intended to be used with
>>>> RTDs, thermocouples or other resistive sensors so they share the
>>>> following per-channel features:
>>>>
>>>>   - Configurable reference selection
>>>>   - Burn-out Current Sources (BOCS) for diagnostic purpuses
>>>>   - Excitation current sources (usually called IDACs TI) for sensor
>>>>     current biasing
>>>>
>>>> Given that these three features are present in all four devices and
>>>> three of these drivers are still under review, my proposal is to have
>>>> these features be described in adc.yaml and have this series merged
>>>> before the three others [1] [2] [3].
>>>>
>>>> This series is sent as RFC because I still don't have much experience
>>>> with dt-bindings and I don't know if this approach or the properties are
>>>> general enough to be described like this.
>>>
>>> It will probably be easier if I just include these patches when I do
>>> v2 of my series (if you don't mind me tweaking them a bit).
>> 
>> Sure, that's fine by me. I'll add a dependency to your series with b4.
>> 
>> Want me to send one more version addressing your comments before you
>> take it in?
>> 
>
> No need. I don't mind fixing it up.

Thanks :)

-- 
Thanks,
 ~ Kurt