Re: [PATCH v3 5/8] dt-bindings: iio: adc: add ti,ads122c14

From: Conor Dooley

Date: Mon Jul 13 2026 - 12:28:21 EST


On Fri, Jul 10, 2026 at 05:50:38PM -0500, David Lechner (TI) wrote:
> Add new bindings for ti,ads122c14 and similar devices.
>
> This is an ADC that is primarily intended for use with temperature
> sensors. There are a few unusual properties because of this. In
> particular, the reference voltage source and current output requirements
> can be different for each measurement, so these are included in the
> channel bindings.
>
> The REFP/REFN reference voltage is usually just connected to a resistor
> that is being driven by the ADC's current outputs, so there is special
> property for this case rather than requiring a regulator to be defined
> to represent that.
>
> ti,vref-source is reused from ti,tlv320adcx140.yaml (otherwise might
> have preferred an enum of strings).
>
> Signed-off-by: David Lechner (TI) <dlechner@xxxxxxxxxxxx>
> ---
> v3 changes:
> * Fixed channel@ pattern.
> * Adapted to input-chopping property rename.
> * Made sure to use items: on array properties.
> * Added reg to required list.
> * Fixed missing space in example comment.

Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
pw-bot: not-applicable

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