MediaTek MT6397 PMIC

modulename: mt6397-regulator.ko

configname: CONFIG_REGULATOR_MT6397

Linux Kernel Configuration
└─>Device Drivers
└─>Voltage and Current Regulator Support
└─>MediaTek MT6397 PMIC
In linux kernel since version 4 (release Date: 2015-04-12)  
Say y here to select this option to enable the power regulator of
MediaTek MT6397 PMIC.
This driver supports the control of different power rails of device
through regulator interface.

source code: