ARM i.MX53: mba53: add missing gpio stuff for pca9554

Add properties to make use of pca9554 gpio expander.

Signed-off-by: Markus Niebel <Markus.Niebel@tqs.de>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

diff --git a/arch/arm/boot/dts/imx53-mba53.dts b/arch/arm/boot/dts/imx53-mba53.dts
index b171c00..67f5655 100644 (file)
--- a/arch/arm/boot/dts/imx53-mba53.dts
+++ b/arch/arm/boot/dts/imx53-mba53.dts
@@ -163,6 +163,8 @@
                compatible = "pca9554";
                reg = <0x20>;
                interrupts = <109>;
+               #gpio-cells = <2>;
+               gpio-controller;
        };
 
        sensor2: lm75@49 {