Intel 82801 (ICH)

modulename: i2c-i801.ko

configname: CONFIG_I2C_I801

Linux Kernel Configuration
└─>Device Drivers
└─>I2C support
└─>I2C Hardware Bus support
└─>Intel 82801 (ICH)
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
If you say yes to this option, support will be included for the Intel
801 family of mainboard I2C interfaces. Specifically, the following
versions of the chipset are supported:
82801AA
82801AB
82801BA
82801CA/CAM
82801DB
82801EB/ER (ICH5/ICH5R)
6300ESB
ICH6
ICH7
ESB2
ICH8
ICH9
Tolapai
ICH10

This driver can also be built as a module. If so, the module
will be called i2c-i801.

source code: