OMAP I2C adapter

modulename: i2c.ko

and/or

i2c-omap.ko

configname: CONFIG_I2C_OMAP

Linux Kernel Configuration
└─>Device Drivers
└─>I2C support
└─>I2C Hardware Bus support
└─>OMAP I2C adapter
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
I2C interface on the Texas Instruments OMAP1/2 family of processors.
Like OMAP1510/1610/1710/5912 and OMAP242x.
For details see http://www.ti.com/omap.

source code:
arch/arm/plat-omap/i2c.c