HiSilicon Hi655X series PMU/Codec IC

modulename: hi655x-pmic.ko

configname: CONFIG_MFD_HI655X_PMIC

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Device Tree and Open Firmware support
└─>HiSilicon Hi655X series PMU/Codec IC
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Select this option to enable Hisilicon hi655x series pmic driver.

source code: