linux-kernel - Re: [PATCH 2/2] pinctrl: add a generic control interface

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Date:	Fri, 21 Oct 2011 13:55:44 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Barry Song <21cnbao@...il.com>,
	Shawn Guo <shawn.guo@...escale.com>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	linux-kernel@...r.kernel.org, Stephen Warren <swarren@...dia.com>,
	Linaro Dev <linaro-dev@...ts.linaro.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	David Brown <davidb@...eaurora.org>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH 2/2] pinctrl: add a generic control interface

On Fri, Oct 21, 2011 at 02:51:46PM +0200, Linus Walleij wrote:
> On Fri, Oct 21, 2011 at 2:30 PM, Mark Brown

> > To repeat once more: this is *not* an on/off control, this is a control
> > selecting the voltage domain a pin is referenced to.

> Sorry, slow learner. So I'll add:
> PIN_CONFIG_ENABLE_POWER
> PIN_CONFIG_DISABLE_POWER

> With the semantics of enabling/disabling the power
> supply for the pin logic. Correct now?

No, like I keep saying it's nothing to do with enabling or disabling
power.  It's about selecting between multiple reference domains.  For
example, choosing between the DBVDD1 and DBVDD2 domains.
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