CBUS I2C driver

modulename: i2c-cbus-gpio.ko

configname: CONFIG_I2C_CBUS_GPIO

Linux Kernel Configuration
└─>Device Drivers
└─>I2C support
└─>I2C Hardware Bus support
└─>CBUS I2C driver
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Support for CBUS access using I2C API. Mostly relevant for Nokia
Internet Tablets (770, N800 and N810).

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

source code:
depends
CONFIG_HAS_IOMEM
CONFIG_I2C
CONFIG_COMPILE_TEST or CONFIG_GPIOLIB