SAMSUNG S5M Series Support

modulename: s5m-core.ko

configname: CONFIG_MFD_S5M_CORE

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>I2C support
└─>SAMSUNG S5M Series Support
In linux kernel since version 3.3 (release Date: 2012-03-18)  
Support for the Samsung Electronics S5M MFD series.
This driver provies common support for accessing the device,
additional drivers must be enabled in order to use the functionality
of the device

source code:
drivers/mfd//