Support for the ARMv7M system time

modulename: armv7m_systick.ko

configname: CONFIG_ARMV7M_SYSTICK

Linux Kernel Configuration
└─>Device Drivers
└─>Clock Source drivers
└─>Support for the ARMv7M system time
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This options enables support for the ARMv7M system timer unit

source code: