NVIDIA Tegra124 External Memory Controller driver

modulename: tegra124-emc.ko

configname: CONFIG_TEGRA124_EMC

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Controller drivers
└─>NVIDIA Tegra124 External Memory Controller driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This driver is for the External Memory Controller (EMC) found on
Tegra124 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: