modulename: gpio-ich.ko

configname: CONFIG_GPIO_ICH

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Memory mapped GPIO drivers
└─>Intel ICH GPIO
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say yes here to support the GPIO functionality of a number of Intel
ICH-based chipsets. Currently supported devices: ICH6, ICH7, ICH8
ICH9, ICH10, Series 5/3400 (e.g. Ibex Peak), Series 6/C200 (e.g.
Cougar Point), NM10 (Tiger Point), and 3100 (Whitmore Lake).

If unsure, say N.

source code: