Freerunner GPIO locations

[Benjamin Deering]

On 02/17/2014 06:17 AM, Robin Paulson wrote:
> hi all,
> apologies if this question is answered elsewhere, i've done lots of
> searching of the openmoko wiki and the web, and can't find an answer
>
> i'd like to interface my freerunner with hardware switches to control
> some software. i believe gpio is the best way to do this, and have
> help from various bodies at my local maker space to do so.
>
> problem is, i can't locate the gpio pins on the motherboard. are there
> any schematics out there with their location? ideally something which
> relates them to the nodes in /sys/class/gpio/
>
> cheers,
>
If you aren't able to find the GPIOs, you could add an i2c-gpio 
expander.  The i2c pad locations are known:
http://chonyota.net/freerunner/FRNBv2/FRNBv2-Installation.pdf

Good Luck,

Ben