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

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Date:   Wed, 26 Jul 2023 12:55:48 +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 09:32:17AM +0200, Krzysztof Kozlowski wrote:
> On 25/07/2023 12:43, Mark Brown wrote:

> > This is just adding an OS specific note in the description, it's not
> > actually marking the properties as required.

> They cannot be required, because it depends whether the regulator is
> used or not. IOW, they are not required for unused regulators, which is
> not possible to encode in the schema.

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

BTW there's also a formatting error:

+  vin3-supply:
+    description:
+      Input supply for ldo3, required if regulatoris enabled

missing space before is.

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