1. 7710e29 ARM: at91: move SoC headers to mach-at91/include/mach by Masahiro Yamada · Fri Feb 20 17:04:13 2015 +0900[Renamed from arch/arm/include/asm/arch-at91/atmel_serial.h]
  2. 7cbab24 dm: at91: Add driver model support for the serial driver by Simon Glass · Wed Oct 29 13:09:00 2014 -0600