diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index cc59fc648b56..fcea54465636 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -792,8 +792,12 @@
 			compatible = "ti,am654-navss-main-udmap";
 			reg = <0x0 0x31150000 0x0 0x100>,
 			      <0x0 0x34000000 0x0 0x100000>,
-			      <0x0 0x35000000 0x0 0x100000>;
-			reg-names = "gcfg", "rchanrt", "tchanrt";
+			      <0x0 0x35000000 0x0 0x100000>,
+			      <0x0 0x30b00000 0x0 0x10000>,
+			      <0x0 0x30c00000 0x0 0x10000>,
+			      <0x0 0x30d00000 0x0 0x8000>;
+			reg-names = "gcfg", "rchanrt", "tchanrt",
+				    "tchan", "rchan", "rflow";
 			msi-parent = <&inta_main_udmass>;
 			#dma-cells = <1>;
 
diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index edd5cfbec40e..ecd7356f3315 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -214,8 +214,12 @@
 			compatible = "ti,am654-navss-mcu-udmap";
 			reg = <0x0 0x285c0000 0x0 0x100>,
 			      <0x0 0x2a800000 0x0 0x40000>,
-			      <0x0 0x2aa00000 0x0 0x40000>;
-			reg-names = "gcfg", "rchanrt", "tchanrt";
+			      <0x0 0x2aa00000 0x0 0x40000>,
+			      <0x0 0x284a0000 0x0 0x4000>,
+			      <0x0 0x284c0000 0x0 0x4000>,
+			      <0x0 0x28400000 0x0 0x2000>;
+			reg-names = "gcfg", "rchanrt", "tchanrt",
+				    "tchan", "rchan", "rflow";
 			msi-parent = <&inta_main_udmass>;
 			#dma-cells = <1>;