diff --git a/dts/arm/atmel/samd.dtsi b/dts/arm/atmel/samd.dtsi
index 8b537304bc4541..52dfe33e70bdfb 100644
--- a/dts/arm/atmel/samd.dtsi
+++ b/dts/arm/atmel/samd.dtsi
@@ -149,6 +149,7 @@
 
 		porta: gpio@41004400 {
 			compatible = "atmel,sam0-gpio";
+			id = <0>;
 			reg = <0x41004400 0x80>;
 			label = "PORTA";
 			gpio-controller;
@@ -158,6 +159,7 @@
 		portb: gpio@41004480 {
 			compatible = "atmel,sam0-gpio";
 			reg = <0x41004480 0x80>;
+			id = <1>;
 			label = "PORTB";
 			gpio-controller;
 			#gpio-cells = <2>;
diff --git a/dts/arm/atmel/samd5x.dtsi b/dts/arm/atmel/samd5x.dtsi
index d1d67bb1b60362..892faa79fe25b8 100644
--- a/dts/arm/atmel/samd5x.dtsi
+++ b/dts/arm/atmel/samd5x.dtsi
@@ -199,6 +199,7 @@
 
 		porta: gpio@41008000 {
 			compatible = "atmel,sam0-gpio";
+			id = <0>;
 			reg = <0x41008000 0x80>;
 			label = "PORTA";
 			gpio-controller;
@@ -207,6 +208,7 @@
 
 		portb: gpio@41008080 {
 			compatible = "atmel,sam0-gpio";
+			id = <1>;
 			reg = <0x41008080 0x80>;
 			label = "PORTB";
 			gpio-controller;
@@ -215,6 +217,7 @@
 
 		portc: gpio@41008100 {
 			compatible = "atmel,sam0-gpio";
+			id = <2>;
 			reg = <0x41008100 0x80>;
 			label = "PORTC";
 			gpio-controller;
@@ -223,6 +226,7 @@
 
 		portd: gpio@41008180 {
 			compatible = "atmel,sam0-gpio";
+			id = <3>;
 			reg = <0x41008180 0x80>;
 			label = "PORTD";
 			gpio-controller;
diff --git a/dts/arm/atmel/samr21.dtsi b/dts/arm/atmel/samr21.dtsi
index 49c1b4239b929e..e55ab6fcdf33d0 100644
--- a/dts/arm/atmel/samr21.dtsi
+++ b/dts/arm/atmel/samr21.dtsi
@@ -31,6 +31,7 @@
 
 		portc: gpio@41004500 {
 			compatible = "atmel,sam0-gpio";
+			id = <2>;
 			reg = <0x41004500 0x80>;
 			label = "PORTC";
 			gpio-controller;
diff --git a/dts/bindings/gpio/atmel,sam0-gpio.yaml b/dts/bindings/gpio/atmel,sam0-gpio.yaml
index 6365f367241841..7ef92cce0de8c1 100644
--- a/dts/bindings/gpio/atmel,sam0-gpio.yaml
+++ b/dts/bindings/gpio/atmel,sam0-gpio.yaml
@@ -5,6 +5,9 @@ compatible: "atmel,sam0-gpio"
 include: [gpio-controller.yaml, base.yaml]
 
 properties:
+    id:
+      required: true
+
     reg:
       required: true