Re: [PATCH 06/22] dt-bindings: iio: dac: ad5686: rework on power supplies

Rodrigo Alencar
2026-04-24T07:35:56Z

On 26/04/23 06:32PM, Conor Dooley wrote:
> On Wed, Apr 22, 2026 at 03:45:40PM +0100, Rodrigo Alencar via B4 Relay wrote:
> > From: Rodrigo Alencar <rodrigo.alencar@analog.com>
> >
> > Add supplies for VDD, VLOGIC and VREF input voltage pins. The vcc-supply
> > property is deprecated. Certain devices require vref-supply to be
>
> Why is it deprecated? Is the naming incorrect?

Yes, vcc does not exist. It is also misleading as it may sound as the input
power supply, but in fact it is being used a voltage reference for the DAC output,
which has a proper name, vref.

> > available once an internal reference voltage is absent. Still, this patch
> > does not add those as 'required' so that the ABI is not broken.

...

> > + vref-supply:
> > + description:
> > + Reference voltage supply. If not supplied the internal reference is used.
> > +
> > vcc-supply:
> > - description: If not supplied the internal reference is used.
> > + deprecated: true
> > + description: Use vref-supply instead.

--
Kind regards,

Rodrigo Alencar