Dialog Semiconductor DA9211/DA9212/DA9213/DA9214 regulator

modulename: da9211-regulator.ko

configname: CONFIG_REGULATOR_DA9211

Linux Kernel Configuration
└─>Device Drivers
└─>Voltage and Current Regulator Support
└─>Dialog Semiconductor DA9211/DA9212/DA9213/DA9214 regulator
In linux kernel since version 3.17 (release Date: 2014-10-05)  
Say y here to support for the Dialog Semiconductor DA9211/DA9212
/DA9213/DA9214.
The DA9211/DA9212/DA9213/DA9214 is a multi-phase synchronous
step down converter 12A or 16A DC-DC Buck controlled through an I2C
interface.

source code:
drivers/regulator/da9211-regulator.c