Tegra timer driver

modulename: tegra20_timer.ko

configname: CONFIG_TEGRA_TIMER

Linux Kernel Configuration
└─>Device Drivers
└─>Clock Source drivers
└─>Tegra timer driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Enables support for the Tegra driver.

source code:

depends
CONFIG_ARM
CONFIG_GENERIC_CLOCKEVENTS