Re: Fwd: GPIO device class driver

From: Robert Schwebel
Date: Tue Feb 20 2007 - 12:52:04 EST

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
> ---------- Forwarded Message ----------
> Subject: GPIO device class driver
> Date: Tuesday 20 February 2007 10:40 am
> From: NZG <ngustavson@xxxxxxxxxxx>
> To: Linux kernel mailing list <linux-kernel@xxxxxxxxxxxxxxx>
> 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,
> -------------------------------------------------------

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

Dipl.-Ing. Robert Schwebel |
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