ARM: dts: am335x: lxm: fix PCA9539 GPIO expander properties

The PCA9539 GPIO expander requires GPIO controller properties to operate
properly.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am335x-lxm.dts b/arch/arm/boot/dts/am335x-lxm.dts
index cd55f11260ea166ca64018974ae9fe930a78f714..0f078465297a19e41a3e8492c8160d49cebae7c7 100644 (file)
--- a/arch/arm/boot/dts/am335x-lxm.dts
+++ b/arch/arm/boot/dts/am335x-lxm.dts
@@ -160,11 +160,15 @@
        serial_config1: serial_config1@20 {
                compatible = "nxp,pca9539";
                reg = <0x20>;
+               gpio-controller;
+               #gpio-cells = <2>;
        };
 
        serial_config2: serial_config2@21 {
                compatible = "nxp,pca9539";
                reg = <0x21>;
+               gpio-controller;
+               #gpio-cells = <2>;
        };
 
        tps: tps@2d {