linux-kernel - Re: [PATCH] regulator: fixed: Use more standard GPIO binding

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Message-ID: <20181004135427.GE6412@sirena.org.uk>
Date:   Thu, 4 Oct 2018 14:54:27 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Leonard Crestez <leonard.crestez@....com>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH] regulator: fixed: Use more standard GPIO binding

On Thu, Oct 04, 2018 at 01:32:13PM +0200, Linus Walleij wrote:
> On Thu, Oct 4, 2018 at 12:50 PM Mark Brown <broonie@...nel.org> wrote:
> > On Thu, Oct 04, 2018 at 11:06:54AM +0200, Linus Walleij wrote:

> > >  Optional properties:
> > > -- gpio: gpio to use for enable control
> > > +- gpios: gpio to use for enable control

> > Are we supposed to be able to have just plain gpios as a standards
> > conforming property or would best practice be to call it enable-gpios or
> > something?

> Oh I didn't think of that really. The gpio-regulator indeed uses
> enable-gpio for the same thing. But it complicates things codewise,
> as the GPIO line is also optional. I'm a bit uncertain, I tend
> to think just "gpios" is fine when the usage is unambigous. but
> I don't know what the DT maintainers think.

Right, well from my point of view -gpio is perfectly fine also so... :)
Rob?

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