ROCKCHIP DFI DEVFREQ event Driver

modulename: rockchip-dfi.ko

configname: CONFIG_DEVFREQ_EVENT_ROCKCHIP_DFI

Linux Kernel Configuration
└─>Device Drivers
└─>Generic Dynamic Voltage and Frequency Scaling (DVFS) support
└─>DEVFREQ-Event device Support
└─>ROCKCHIP DFI DEVFREQ event Driver
In linux kernel since version 4.1 (release Date: 2015-06-21)  
This add the devfreq-event driver for Rockchip SoC. It provides DFI
(DDR Monitor Module) driver to count ddr load.

source code:
drivers/devfreq/event/rockchip-dfi.c