From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?ISO-8859-1?Q?Juha_Yrj=F6l=E4?= <juha.yrjola@nokia.com>
Subject: Re: Userspace GPIO
Date: Wed, 17 May 2006 12:49:26 +0300
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andrzej zaborowski wrote:

> You could create it by modifying one of the drivers already present in
> the tree, I know the Intel PXA hackers have one of these and use it as
> a keypad driver because each key is associated with one GPIO line on
> their boards.

Or you could GPIO switch framework (arch/arm/plat-omap/gpio-switch.c), 
which interfaces to user-space using sysfs.  It will need a small amount 
of work to operate properly with the platform_data mechanism, though.

Cheers,
Juha