[PATCH] ARM: dts: vf610-zii-scu4-aib: Configure IRQ line for GPIO expander

[Andrey Smirnov]

Configure IRQ line for SX1503 GPIO expander. We already have
appropriate pinmux entry and all that is missing is "interrupt-parent"
and "interrupts" properties. Add them.

Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
Cc: Shawn Guo <shawn...@kernel.org>
Cc: Chris Healy <cphe...@gmail.com>
Cc: Cory Tusar <cory.tu...@zii.aero>
Cc: Fabio Estevam <feste...@gmail.com>
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 arch/arm/boot/dts/vf610-zii-scu4-aib.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts 
b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
index e6c3621079e0..45a978defbdc 100644
--- a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
+++ b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
@@ -570,6 +570,8 @@
                #gpio-cells = <2>;
                reg = <0x20>;
                gpio-controller;
+               interrupt-parent = <&gpio1>;
+               interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
        };
 
        lm75@4e {
-- 
2.21.0