Intel Merrifield GPIO support

modulename: gpio-merrifield.ko

configname: CONFIG_GPIO_MERRIFIELD

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>PCI GPIO expanders
└─>Intel Merrifield GPIO support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here to support Intel Merrifield GPIO.

source code: