gpio: zynq: Document interrupt-controller DT binding

HW and driver support the GPIO as interrupt-controller.
Document that in the DT binding.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Soren Brinkmann 2015-10-23 09:25:30 -07:00 • committed by Linus Walleij
commit 787dfbb294