Intel iSMT SMBus Controller

modulename: i2c-ismt.ko

configname: CONFIG_I2C_ISMT

Linux Kernel Configuration
└─>Device Drivers
└─>I2C support
└─>I2C Hardware Bus support
└─>PCI support
└─>Intel iSMT SMBus Controller
In linux kernel since version 3.1 (release Date: 2011-10-24)  
If you say yes to this option, support will be included for the Intel
iSMT SMBus host controller interface.

This driver can also be built as a module. If so, the module will be
called i2c-ismt.

source code: