diff --git a/arch/arm64/boot/dts/seconorth/mc3.dtsi b/arch/arm64/boot/dts/seconorth/mc3.dtsi
index 205ca1b82fbbf5bbccdee438ce0e3ac43f396db0..95bd2f2eaaeddbfe072600c9289d2cd1273ae812 100644
--- a/arch/arm64/boot/dts/seconorth/mc3.dtsi
+++ b/arch/arm64/boot/dts/seconorth/mc3.dtsi
@@ -449,6 +449,11 @@ adc: max11601@64 {
 		compatible = "maxim,max11601";
 		reg = <0x64>;
 	};
+
+	temp: lm75b@49 {
+		compatible = "national,lm75b";
+		reg = <0x49>;
+	};
 };
 
 &i2c2 {