Re: [PATCH INTERNAL v1 3/3] regulator: tps6594-regulator: Add driver for TI TPS6594 regulators

[Julien Panis]

On 3/22/23 14:13, Mark Brown wrote:
> On Wed, Mar 22, 2023 at 10:10:23AM +0100, Julien Panis wrote:
>
> > Question @ Mark/Liam:
> > Shouldn't we use the generic 'regulator-coupled-with' property
> > instead of 'ti,multi-phase-id' ?
> My understanding was that this was a hardware configuration where
> two regulators operate as one with only one set of registers used
> for configuration.

Your understanding was correct.

> > I am in charge of upstreaming dt-bindings and maintainers
> > pointed out the similarity between 'multi-phase' and 'coupled'
> > regulator concepts. Does 'regulator-coupled-with' mean that
> > outputs of buck converters are combined ? If so, this generic
> > property should replace our specific 'ti,multi-phase-id' prop,
> > I guess.
> No, coupled regulators are regulators where the voltages can vary
> but there's a constraint that their configurations need to be
> related somehow, for example they must be within 200mV of each
> other or something like that.

OK, thank you for this explanation.
So, we keep 'ti,multi-phase-id' property.