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-rw-r--r--arch/arm/boot/dts/sun9i-a80-optimus.dts2
-rw-r--r--arch/arm/boot/dts/sun9i-a80.dtsi7
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts
index 3a70fdf8877e..5d9bc80afef2 100644
--- a/arch/arm/boot/dts/sun9i-a80-optimus.dts
+++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts
@@ -60,6 +60,8 @@
 
 	soc {
 		uart0: serial@07000000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart0_pins_a>;
 			status = "okay";
 		};
 	};
diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index fe9832a2d8b8..da680cf195e2 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -351,6 +351,13 @@
 			#interrupt-cells = <2>;
 			#size-cells = <0>;
 			#gpio-cells = <3>;
+
+			uart0_pins_a: uart0@0 {
+				allwinner,pins = "PH12", "PH13";
+				allwinner,function = "uart0";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
 		};
 
 		uart0: serial@07000000 {