Maxim Semiconductor MAX8998/National LP3974 PMIC Support

modulename: max8998.ko

configname: CONFIG_MFD_MAX8998

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>I2C support
└─>Maxim Semiconductor MAX8998/National LP3974 PMIC Support
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
Say yes here to support for Maxim Semiconductor MAX8998 and
National Semiconductor LP3974. This is a Power Management IC.
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:
selects
CONFIG_MFD_CORE
CONFIG_IRQ_DOMAIN