diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index cfc6423cc376..86a1454f5647 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -141,6 +141,14 @@
 					};
 				};
 
+				wkup_m3_ipc: wkup_m3_ipc@1324 {
+					compatible = "ti,am4372-wkup-m3-ipc";
+					reg = <0x1324 0x44>;
+					interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+					ti,rproc = <&wkup_m3>;
+					mboxes = <&mailbox &mbox_wkupm3>;
+				};
+
 				scm_clockdomains: clockdomains {
 				};
 			};