diff --git a/dts/arm/microchip/mec1501hsz.dtsi b/dts/arm/microchip/mec1501hsz.dtsi
index 60f9d288f7f..e2f8e690972 100644
--- a/dts/arm/microchip/mec1501hsz.dtsi
+++ b/dts/arm/microchip/mec1501hsz.dtsi
@@ -228,6 +228,8 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 			status = "disabled";
+			girq = <18>;
+			girq-bit = <10>;
 		};
 		ps2_1: ps2@40009040 {
 			compatible = "microchip,xec-ps2";
@@ -237,6 +239,8 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 			status = "disabled";
+			girq = <18>;
+			girq-bit = <11>;
 		};
 		pwm0: pwm@40005800 {
 			compatible = "microchip,xec-pwm";
diff --git a/dts/bindings/ps2/microchip,xec-ps2.yaml b/dts/bindings/ps2/microchip,xec-ps2.yaml
index 94560df332c..ec1c50613c5 100644
--- a/dts/bindings/ps2/microchip,xec-ps2.yaml
+++ b/dts/bindings/ps2/microchip,xec-ps2.yaml
@@ -13,3 +13,13 @@ properties:
 
     interrupts:
       required: true
+
+    girq:
+      type: int
+      required: true
+      description: GIRQ for this device
+
+    girq-bit:
+      type: int
+      required: true
+      description: Bit position in GIRQ for this device