[PATCH v3 13/15] ARM: dts: dove: fix PCA95xx GPIO expander properties on A510

[Krzysztof Kozlowski]

The PCA95xx GPIO expander requires GPIO controller properties to operate
properly.

Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 arch/arm/boot/dts/dove-sbc-a510.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/dove-sbc-a510.dts b/arch/arm/boot/dts/dove-sbc-a510.dts
index 2bb85a9b7614..df021f9b0117 100644
--- a/arch/arm/boot/dts/dove-sbc-a510.dts
+++ b/arch/arm/boot/dts/dove-sbc-a510.dts
@@ -143,6 +143,7 @@
 	gpio_ext: gpio@20 {
 		compatible = "nxp,pca9555";
 		reg = <0x20>;
+		gpio-controller;
 		#gpio-cells = <2>;
 	};
 };
-- 
2.17.1