Support for the AnalogicTech AAT2870

modulename: aat2870-core.ko

configname: CONFIG_MFD_AAT2870_CORE

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>I2C support
└─>GPIO Support
└─>Support for the AnalogicTech AAT2870
In linux kernel since version 3.1 (release Date: 2011-10-24)  
If you say yes here you get support for the AAT2870.
This driver provides common support for accessing the device,
additional drivers must be enabled in order to use the
functionality of the device.

source code:
drivers/mfd//aat2870-core.c
selects
CONFIG_MFD_CORE