MPS MP8869 regulator driver

modulename: mp886x.ko

configname: CONFIG_REGULATOR_MP886X

Linux Kernel Configuration
└─>Device Drivers
└─>Voltage and Current Regulator Support
└─>Device Tree and Open Firmware support
└─>MPS MP8869 regulator driver
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This driver supports the MP8869 voltage regulator.

source code: