Toshiba TC35892 and variants

modulename: tc3589x.ko

configname: CONFIG_MFD_TC3589X

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Device Tree and Open Firmware support
└─>Toshiba TC35892 and variants
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
Support for the Toshiba TC35892 and variants I/O Expander.

This driver provides common support for accessing the device,
additional drivers must be enabled in order to use the
functionality of the device.

source code: