gpio: dt-bindings: Add documentation for Aspeed GPIO controllers

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Joel Stanley <joel@jms.id.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andrew Jeffery 2016-08-30 17:24:23 +09:30 • committed by Linus Walleij
commit 19de85134e