ARM: sunxi: olinuxino: Add muxing for the uart

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/boot/dts/sun5i-a13-olinuxino.dts b/arch/arm/boot/dts/sun5i-a13-olinuxino.dts
index 498a091..4a1e45d 100644
--- a/arch/arm/boot/dts/sun5i-a13-olinuxino.dts
+++ b/arch/arm/boot/dts/sun5i-a13-olinuxino.dts
@@ -24,6 +24,8 @@
 
 	soc {
 		uart1: uart@01c28400 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart1_pins_b>;
 			status = "okay";
 		};
 	};