CONFIG_MFD_MC13XXX (not configurable)

modulename: mc13xxx-core.ko

configname: CONFIG_MFD_MC13XXX

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>I2C support
└─>MFD_MC13XXX
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
Enable support for the Freescale MC13783 and MC13892 PMICs.
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: