diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
index e5136ed94765..73936994a156 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
@@ -602,16 +602,22 @@ mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 {
 	};
 };
 
+&mcu_r5fss0 {
+	status = "okay";
+};
+
 &mcu_r5fss0_core0 {
 	memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
 			<&mcu_r5fss0_core0_memory_region>;
 	mboxes = <&mailbox0_cluster0 &mbox_mcu_r5fss0_core0>;
+	status = "okay";
 };
 
 &mcu_r5fss0_core1 {
 	memory-region = <&mcu_r5fss0_core1_dma_memory_region>,
 			<&mcu_r5fss0_core1_memory_region>;
 	mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>;
+	status = "okay";
 };
 
 &mcu_rti1 {
diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 7cf1f646500a..f6d9a5779918 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -408,6 +408,7 @@ mcu_r5fss0: r5fss@41000000 {
 		ranges = <0x41000000 0x00 0x41000000 0x20000>,
 			 <0x41400000 0x00 0x41400000 0x20000>;
 		power-domains = <&k3_pds 129 TI_SCI_PD_EXCLUSIVE>;
+		status = "disabled";
 
 		mcu_r5fss0_core0: r5f@41000000 {
 			compatible = "ti,am654-r5f";
@@ -422,6 +423,7 @@ mcu_r5fss0_core0: r5f@41000000 {
 			ti,atcm-enable = <1>;
 			ti,btcm-enable = <1>;
 			ti,loczrama = <1>;
+			status = "disabled";
 		};
 
 		mcu_r5fss0_core1: r5f@41400000 {
@@ -437,6 +439,7 @@ mcu_r5fss0_core1: r5f@41400000 {
 			ti,atcm-enable = <1>;
 			ti,btcm-enable = <1>;
 			ti,loczrama = <1>;
+			status = "disabled";
 		};
 	};
 
diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index e589690c7c82..39c2d46801de 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -541,16 +541,22 @@ mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 {
 	};
 };
 
+&mcu_r5fss0 {
+	status = "okay";
+};
+
 &mcu_r5fss0_core0 {
 	memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
 			<&mcu_r5fss0_core0_memory_region>;
 	mboxes = <&mailbox0_cluster0 &mbox_mcu_r5fss0_core0>;
+	status = "okay";
 };
 
 &mcu_r5fss0_core1 {
 	memory-region = <&mcu_r5fss0_core1_dma_memory_region>,
 			<&mcu_r5fss0_core1_memory_region>;
 	mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>;
+	status = "okay";
 };
 
 &ospi0 {