diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-var-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62p5-var-som.dtsi
index edaa4f99295d..b93372f22732 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p5-var-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-var-som.dtsi
@@ -63,18 +63,6 @@ rtos_ipc_memory_region: rtos-ipc-memory@9b500000 {
 			no-map;
 		};
 
-		mcu_r5fss0_core0_dma_memory_region: mcu-r5fss-dma-memory-region@9b800000 {
-			compatible = "shared-dma-pool";
-			reg = <0x00 0x9b800000 0x00 0x00100000>;
-			no-map;
-		};
-
-		mcu_r5fss0_core0_memory_region: mcu-r5fss-memory-region@9b900000 {
-			compatible = "shared-dma-pool";
-			reg = <0x00 0x9b900000 0x00 0x00f00000>;
-			no-map;
-		};
-
 		wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9c800000 {
 			compatible = "shared-dma-pool";
 			reg = <0x00 0x9c800000 0x00 0x00100000>;
@@ -320,44 +308,6 @@ &usbss1 {
 	ti,vbus-divider;
 };
 
-&mailbox0_cluster0 {
-	status = "okay";
-
-	mbox_r5_0: mbox-r5-0 {
-		ti,mbox-rx = <0 0 0>;
-		ti,mbox-tx = <1 0 0>;
-	};
-};
-
-&mailbox0_cluster1 {
-	status = "okay";
-
-	mbox_mcu_r5_0: mbox-mcu-r5-0 {
-		ti,mbox-rx = <0 0 0>;
-		ti,mbox-tx = <1 0 0>;
-	};
-};
-
-&mcu_r5fss0 {
-	status = "okay";
-};
-
-&mcu_r5fss0_core0 {
-	mboxes = <&mailbox0_cluster1 &mbox_mcu_r5_0>;
-	memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
-			<&mcu_r5fss0_core0_memory_region>;
-};
-
-&wkup_r5fss0 {
-	status = "okay";
-};
-
-&wkup_r5fss0_core0 {
-	mboxes = <&mailbox0_cluster0 &mbox_r5_0>;
-	memory-region = <&wkup_r5fss0_core0_dma_memory_region>,
-			<&wkup_r5fss0_core0_memory_region>;
-};
-
 /* mcu_gpio0 and mcu_gpio_intr are reserved for mcu firmware usage */
 &mcu_gpio0 {
 	status = "reserved";
@@ -385,3 +335,5 @@ &main_uart1 {
 	/* Main UART1 is used by TIFS firmware */
 	status = "reserved";
 };
+
+#include "k3-am62p-ti-ipc-firmware.dtsi"