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
information.
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
information.
source code:
depends
CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMANDCONFIG_MEMORY
CONFIG_PM_DEVFREQ
CONFIG_PM_DEVFREQ_EVENT
CONFIG_SAMSUNG_MC
CONFIG_ARCH_EXYNOS or CONFIG_COMPILE_TEST
CONFIG_HAS_IOMEM