NVIDIA Tegra30 External Memory Controller driver

modulename: tegra30-emc.ko

configname: CONFIG_TEGRA30_EMC

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Controller drivers
└─>NVIDIA Tegra30 External Memory Controller driver
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This driver is for the External Memory Controller (EMC) found on
Tegra30 chips. The EMC controls the external DRAM on the board.
This driver is required to change memory timings / clock rate for
external memory.

source code:
selects
CONFIG_PM_OPP

depends
CONFIG_MEMORY
CONFIG_TEGRA_MC
CONFIG_ARCH_TEGRA_3x_SOC or CONFIG_COMPILE_TEST