APM X-Gene GPIO controller support

modulename: gpio-xgene.ko


Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Memory mapped GPIO drivers
└─>APM X-Gene GPIO controller support
In linux kernel since version 3.18 (release Date: 2014-12-07)  
This driver is to support the GPIO block within the APM X-Gene SoC
platform's generic flash controller. The GPIO pins are muxed with
the generic flash controller's address and data pins. Say yes
here to enable the GFC GPIO functionality.

source code: