GPIO can be used as interrupt-controller. Add the missing properties to
the GPIO node.

Signed-off-by: Soren Brinkmann <soren.brinkm...@xilinx.com>
---
 arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi 
b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 857eda5c7217..200fb588d0f5 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -133,6 +133,8 @@
                        clocks = <&misc_clk>;
                        interrupt-parent = <&gic>;
                        interrupts = <0 16 4>;
+                       interrupt-controller;
+                       #interrupt-cells = <2>;
                        reg = <0x0 0xff0a0000 0x1000>;
                };
 
-- 
2.6.2.3.ga463a5b

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