diff --git a/dts/arm/atmel/samd.dtsi b/dts/arm/atmel/samd.dtsi
index 4d0d58af1a4..80f58a49ebe 100644
--- a/dts/arm/atmel/samd.dtsi
+++ b/dts/arm/atmel/samd.dtsi
@@ -65,7 +65,6 @@
 		sercom0: sercom@42000800 {
 			compatible = "atmel,sam0-sercom";
 			reg = <0x42000800 0x40>;
-			interrupts = <9 0>;
 			status = "disabled";
 			label = "SERCOM0";
 		};
@@ -73,7 +72,6 @@
 		sercom1: sercom@42000c00 {
 			compatible = "atmel,sam0-sercom";
 			reg = <0x42000c00 0x40>;
-			interrupts = <10 0>;
 			status = "disabled";
 			label = "SERCOM1";
 		};
@@ -81,7 +79,6 @@
 		sercom2: sercom@42001000 {
 			compatible = "atmel,sam0-sercom";
 			reg = <0x42001000 0x40>;
-			interrupts = <11 0>;
 			status = "disabled";
 			label = "SERCOM2";
 		};
@@ -89,7 +86,6 @@
 		sercom3: sercom@42001400 {
 			compatible = "atmel,sam0-sercom";
 			reg = <0x42001400 0x40>;
-			interrupts = <12 0>;
 			status = "disabled";
 			label = "SERCOM3";
 		};
@@ -97,7 +93,6 @@
 		sercom4: sercom@42001800 {
 			compatible = "atmel,sam0-sercom";
 			reg = <0x42001800 0x40>;
-			interrupts = <13 0>;
 			status = "disabled";
 			label = "SERCOM4";
 		};
@@ -105,7 +100,6 @@
 		sercom5: sercom@42001c00 {
 			compatible = "atmel,sam0-sercom";
 			reg = <0x42001c00 0x40>;
-			interrupts = <14 0>;
 			status = "disabled";
 			label = "SERCOM5";
 		};
@@ -126,15 +120,6 @@
 			#gpio-cells = <2>;
 		};
 
-		usb0: usb@41005000 {
-			compatible = "atmel,sam0-usb";
-			status = "disabled";
-			reg = <0x41005000 0x1000>;
-			interrupts = <7 0>;
-			num-bidir-endpoints = <8>;
-			label = "USB0";
-		};
-
 		rtc: rtc@40001400 {
 			compatible = "atmel,sam0-rtc";
 			reg = <0x40001400 0x1C>;
diff --git a/dts/arm/atmel/samd20.dtsi b/dts/arm/atmel/samd20.dtsi
index 19ff5d7e062..b040c3b60e1 100644
--- a/dts/arm/atmel/samd20.dtsi
+++ b/dts/arm/atmel/samd20.dtsi
@@ -5,3 +5,27 @@
  */
 
 #include <atmel/samd.dtsi>
+
+&sercom0 {
+	interrupts = <7 0>;
+};
+
+&sercom1 {
+	interrupts = <8 0>;
+};
+
+&sercom2 {
+	interrupts = <9 0>;
+};
+
+&sercom3 {
+	interrupts = <10 0>;
+};
+
+&sercom4 {
+	interrupts = <11 0>;
+};
+
+&sercom5 {
+	interrupts = <12 0>;
+};
diff --git a/dts/arm/atmel/samd21.dtsi b/dts/arm/atmel/samd21.dtsi
index 1a8cf606e80..28e41db40c4 100644
--- a/dts/arm/atmel/samd21.dtsi
+++ b/dts/arm/atmel/samd21.dtsi
@@ -5,3 +5,40 @@
  */
 
 #include <atmel/samd.dtsi>
+
+/ {
+	soc {
+		usb0: usb@41005000 {
+			compatible = "atmel,sam0-usb";
+			status = "disabled";
+			reg = <0x41005000 0x1000>;
+			interrupts = <7 0>;
+			num-bidir-endpoints = <8>;
+			label = "USB0";
+		};
+	};
+};
+
+&sercom0 {
+	interrupts = <9 0>;
+};
+
+&sercom1 {
+	interrupts = <10 0>;
+};
+
+&sercom2 {
+	interrupts = <11 0>;
+};
+
+&sercom3 {
+	interrupts = <12 0>;
+};
+
+&sercom4 {
+	interrupts = <13 0>;
+};
+
+&sercom5 {
+	interrupts = <14 0>;
+};