linux-kernel - Re: [PATCH v2] regulator: dt-bindings: dlg,slg51000: Convert to DT schema

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Message-ID: <34edabd6-8dd1-42f8-8309-07dfbf157dff@sirena.org.uk>
Date:   Wed, 26 Jul 2023 13:30:51 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Support Opensource <support.opensource@...semi.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Eric Jeong <eric.jeong.opensource@...semi.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2] regulator: dt-bindings: dlg,slg51000: Convert to DT
 schema

On Wed, Jul 26, 2023 at 02:18:43PM +0200, Krzysztof Kozlowski wrote:
> On 26/07/2023 13:55, Mark Brown wrote:

> > Oh, you mean if the regulator is in use in the system rather than if
> > it's enabled!

> Enabled as "always-on" or "boot-on" could be encoded in the schema with
> multiple if::then:. But it is not enough, because regulators can be
> enabled on demand by drivers. So that's what I meant by "used".

Right, you said "enabled" in the changelog bit though.

> >  I suspect that there's a requirement that either at least
> > one of the supplies be provided so that the chip I/O works, or there's
> > some other currently undocumented supply that is required for that
> > reason.

> I can add requirement of at least one supply. I don't think it changes
> much, but sure.

I wouldn't, I suspect it's the latter case and there's actually another
undocumented change.

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