utzig/ChibiOS-Kinetis — pull request #6 by cdbennett (2014-05-26 19:37:30+00:00)
Title: Enhanced Kinetis clock initialization

Support Kinetis system clock configuration by constants in mcuconf.h. The FEI, FEE, and PEE modes are implemented to support using either a high-speed (e.g. 8 MHz) external crystal with the PLL or a low-speed 32.768 kHz crystal with the FLL.