Broadcom BCM590xx PMUs

modulename: bcm590xx.ko

configname: CONFIG_MFD_BCM590XX

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Broadcom BCM590xx PMUs
In linux kernel since version 3.15 (release Date: 2014-06-08)  
Support for the BCM590xx PMUs from Broadcom

source code: