linux-kernel - GPIO on VIA Epia

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Message-ID: <4D1CB15E.6020507@xs4all.nl>
Date:	Thu, 30 Dec 2010 17:20:46 +0100
From:	Udo van den Heuvel <udovdh@...all.nl>
To:	linux-kernel@...r.kernel.org
Subject: GPIO on VIA Epia

Hello,

Did anyone do some work on a driver to use the GPIO pins on the VIA Epia
boards based around the vt8237 or CX700?
E.g. my Epia LT offers 8 programamble GPIO pins according to the
documentation (see below for layout) but I'd like to know if there is a
driver so I can actually use them and e.g. receive an interrupt when a
GPIO goes high or low.
Please let us know what is available.

Thanks,
Udo

Epia LT documentation:

Digital I/O Connector: DIO
General purpose input and output for POS systems.

 Pin     Signal               Pin     Signal
 1       5V_DIO               2       12V_DIO
 3       GPO_21               4       GPI_44
 5       GPO_22               6       GPI_45
 7       GPO_32               8       GPI_46
 9       GPO_33               10      GPI_47
 11      GND                  12      GND
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