Exynos5422 Dynamic Memory Controller driver

modulename: exynos5422-dmc.ko

configname: CONFIG_EXYNOS5422_DMC

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Controller drivers
└─>Generic Dynamic Voltage and Frequency Scaling (DVFS) support
└─>DEVFREQ-Event device Support
└─>Exynos5422 Dynamic Memory Controller driver
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This adds driver for Exynos5422 DMC (Dynamic Memory Controller).
The driver provides support for Dynamic Voltage and Frequency Scaling in
DMC and DRAM. It also supports changing timings of DRAM running with
different frequency. The timings are calculated based on DT memory

source code: