1. fb1a4bf nios2 : convert altera_pio to driver model by Thomas Chou · Wed Oct 21 21:33:45 2015 +0800
  2. d79de1d Add GPL-2.0+ SPDX-License-Identifier to source files by Wolfgang Denk · Mon Jul 08 09:37:19 2013 +0200
  3. c932eed gpio: Add driver for Altera's PIO core by Joachim Foerster · Fri Oct 21 15:48:50 2011 +0200