Intel IOP GPIO

modulename: gpio-iop.ko

configname: CONFIG_GPIO_IOP

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Memory mapped GPIO drivers
└─>Intel IOP GPIO
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say yes here to support the GPIO functionality of a number of Intel
IOP32X or IOP33X.

If unsure, say N.

source code:
drivers/gpio/gpio-iop.c