MPS MP8859 regulator driver

modulename: mp8859.ko

configname: CONFIG_REGULATOR_MP8859

Linux Kernel Configuration
└─>Device Drivers
└─>Voltage and Current Regulator Support
└─>MPS MP8859 regulator driver
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Say y here to support the MP8859 voltage regulator. This driver
supports basic operations (get/set voltage) through the regulator
Say M here if you want to include support for the regulator as a
module. The module will be named "mp8859".

source code: