Maxim Semiconductor MAX77620 and MAX20024 PMIC Support

modulename: max77620.ko

configname: CONFIG_MFD_MAX77620

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Device Tree and Open Firmware support
└─>Maxim Semiconductor MAX77620 and MAX20024 PMIC Support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say yes here to add support for Maxim Semiconductor MAX77620 and
MAX20024 which are Power Management IC with General purpose pins,
RTC, regulators, clock generator, watchdog etc. 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:

depends
CONFIG_HAS_IOMEM
CONFIG_I2C
CONFIG_COMPILE_TEST or CONFIG_OF