linux-kernel - Re: [PATCH 1/2] gpiolib: introduce gpio_set

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Date:	Mon, 5 Dec 2011 15:56:35 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
Cc:	Stephen Warren <swarren@...dia.com>,
	Igor Grinberg <grinberg@...pulab.co.il>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH 1/2] gpiolib: introduce gpio_set_pullup

On Mon, Dec 05, 2011 at 04:40:11PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 08:51 Tue 29 Nov     , Stephen Warren wrote:

> > I believe the pinctrl subsystem should be applicable to any chip, be it
> > the main SoC/CPU in the system, or any other chip. We don't currently
> > have any non-SoC drivers, but that's just because nobody has written them
> > yet; there's no technical reason they couldn't exist.

> sorry pinmux for gpio specific management i's overkill

If it's a GPIO-only device then probaby but lots of devices have a
fairly large range of signals that can be brought out on the pins (often
even more than a typical SoC actually).
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