linux-kernel - Re: [RFC] Proposal: common kernel-wide GPIO interface

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Message-ID: <20060803154243.GH10495@pengutronix.de>
Date:	Thu, 3 Aug 2006 17:42:43 +0200
From:	Robert Schwebel <r.schwebel@...gutronix.de>
To:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>
Cc:	Jim Cromie <jim.cromie@...il.com>,
	Robert Schwebel <r.schwebel@...gutronix.de>,
	Chris Boot <bootc@...tc.net>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] Proposal: common kernel-wide GPIO interface

On Thu, Aug 03, 2006 at 09:55:58AM -0400, Lennart Sorensen wrote:
> > I'll rephrase my Q here.
> > 
> > /sys/class/gpio/gpio63/
> > 
> > this suggests that either - only 1 GPIO device can register (bad)
> 
> Unacceptably bad.  I currently use anywhere from 2 to 4 different
> devices with GPIOs.

Sure, it would probably be nice to have GPIO devices in sysfs dirs of
their respective parent. The variant I've sent was just a quick-n-dirty
framework we hacked for a project. 

Robert 
-- 
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