diff --git a/arch/arm/boot/dts/sama5d3xmb.dtsi b/arch/arm/boot/dts/sama5d3xmb.dtsi
index e1bd576760c6..060015375e44 100644
--- a/arch/arm/boot/dts/sama5d3xmb.dtsi
+++ b/arch/arm/boot/dts/sama5d3xmb.dtsi
@@ -166,6 +166,7 @@ sound {
 			"Headphone Jack", "HPOUTR",
 			"IN2L", "Line In Jack",
 			"IN2R", "Line In Jack",
+			"MICBIAS", "IN1L",
 			"IN1L", "Mic";
 
 		atmel,ssc-controller = <&ssc0>;