ARM: dts: dove: fix PCA95xx GPIO expander properties on A510

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

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

diff --git a/arch/arm/boot/dts/dove-sbc-a510.dts b/arch/arm/boot/dts/dove-sbc-a510.dts
index 2bb85a9..df021f9 100644 (file)
--- 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>;
        };
 };