gpio: Add gpio driver support for ThunderX and OCTEON-TX

Cavium ThunderX and OCTEON-TX are arm64 based SoCs.  Add driver for
the on-chip GPIO pins.

Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
David Daney 2017-08-17 17:53:35 -07:00 • committed by Linus Walleij
commit 5a2a30024d
3 changed files with 649 additions and 0 deletions