Marvell 88PG86X voltage regulators

modulename: 88pg86x.ko

configname: CONFIG_REGULATOR_88PG86X

Linux Kernel Configuration
└─>Device Drivers
└─>Voltage and Current Regulator Support
└─>Marvell 88PG86X voltage regulators
In linux kernel since version 4.2 (release Date: 2015-08-30)  
This driver supports Marvell 88PG867 and 88PG868 voltage regulators.
They provide two I2C-controlled DC/DC step-down converters with
sleep mode and separate enable pins.

source code: