Support for ST Microelectronics STw481x

modulename: stw481x.ko

configname: CONFIG_MFD_STW481X

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Support for ST Microelectronics STw481x
In linux kernel since version 3.13 (release Date: 2014-01-19)  
Select this option to enable the STw481x chip driver used
in various ST Microelectronics and ST-Ericsson embedded
Nomadik series.

source code: