Re: Fwd: GPIO device class driver

Re: Fwd: GPIO device class driver

[Robert Schwebel]

On Tue, Feb 20, 2007 at 10:54:05AM -0600, NZG wrote:
> Sent this to the LKML, but forgot to CC you.
> May I see you current work on the GPIO class?
> 
> thank you,
> Nathan Z. Gustavson
> Systems Engineer
> EMAC.Inc -www.emacinc.com
> 
> ----------  Forwarded Message  ----------
> 
> Subject: GPIO device class driver
> Date: Tuesday 20 February 2007 10:40 am
> From: NZG <ngustavson@emacinc.com>
> To: Linux kernel mailing list <linux-kernel@vger.kernel.org>
> 
> I am currently developing support for an ep9xx based SBC and want to export
> it's GPIO through sysfs in a simple and standard way,
> without adding yet another platform specific gpio driver to the kernel.
> 
> As I understand it, a gpio class has already been begun by Robert Schwebel in
> but has not as of yet become part of the mainstream kernel.
> 
> Searching the archives for this yields no results since 2006.
> 
> Can anyone point me to a current patch?
> I'd like to start from there.
> 
> thank you,
> NZG
> -------------------------------------------------------

In the meantime there is activity for a gpio framework in mainline; I
didn't follow the details recently, but David Brownell might be a good
contact.

Robert
-- 
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