linux-kernel - Re: [PATCH v4 1/4] dt-bindings: regulator: Add bindings for Silicon Mitus SM5703 regulators

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Date:   Fri, 22 Apr 2022 21:37:20 +0300
From:   Matti Vaittinen <mazziesaccount@...il.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Markuss Broks <markuss.broks@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        devicetree <devicetree@...r.kernel.org>
Subject: Re: [PATCH v4 1/4] dt-bindings: regulator: Add bindings for Silicon
 Mitus SM5703 regulators

On Fri, Apr 22, 2022 at 9:05 PM Mark Brown <broonie@...nel.org> wrote:
>
> On Tue, Apr 19, 2022 at 08:45:07PM +0300, Markuss Broks wrote:
>
> > I took an example from the rohm,bd71847-pmic.yaml MFD binding, they have
> > regulators at a separate regulators { } node, with a separate dt-binding for
> > it. I'm not sure what should I do, I'd be more than happy to follow a better
> > example if you can show me it.
>
> Basically either just remove the compatible and have the MFD directly
> instantiate the device like sky81452 or put a separate node for each
> regualtor like wm831x does (but without any DT support).

Just a note that the BD71847 does not have own "compatible" for the
regulators. There's only "compatible" in the MFD node - and MFD just
kicks the regulator driver. Regulators get the handle to the node from
the parent device. I think it should serve as a valid example of what
Mark described as

> Basically either just remove the compatible and have the MFD directly
> instantiate the device


Best Regards
-- Matti Vaittinen