https://forum.recalbox.com/topic/9277/psx-gpio-controller-giving-random-outputs/2?lang=en-US
PSX GPIO controller giving random outputs | Recalbox Forum
Oct 11, 2017 - @djoni_w you will be able to recompile the module once 4.1 is made public. You'll need to cross compile it from your computer. Or maybe wait for a new release...
gpio controllerpsxgivingrandomoutputs
https://lkml.org/lkml/2011/6/27/84
LKML: Alan Cox: Re: [PATCH v2 2/2] gpio: Add a driver for Sodaville GPIO controller