linux-kernel - Re: [PATCH 3/5] dt-bindings: add devicetree bindings for Fairchild FAN53555 regulators

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Message-ID: <20140915222547.GC7960@sirena.org.uk>
Date:	Mon, 15 Sep 2014 15:25:47 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Heiko Stübner <heiko@...ech.de>
Cc:	linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
	devicetree@...r.kernel.org, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org
Subject: Re: [PATCH 3/5] dt-bindings: add devicetree bindings for Fairchild
 FAN53555 regulators

On Tue, Sep 16, 2014 at 12:14:43AM +0200, Heiko Stübner wrote:
> Am Montag, 15. September 2014, 14:54:10 schrieb Mark Brown:

> > I'm not sure what this means - What exactly is a "regulator" in this
> > context?  Are there really two separate regulators?

> The fan53555 has two voltage selection registers (VSEL0 and VSEL1) which can 
> be switched through a gpio ... to use one as suspend voltage.

> So it's just one regulator output but can select one of two voltages.

OK, that's what I thought was going on - please fix this to be described
in terms of voltage selector registers rather than regulators as what's
there now seems confusing.

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