diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
index 70c8f7e941fb..cc4ff380a7bc 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
@@ -45,6 +45,31 @@
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges = <0x00 0x30000000 0x00 0x30000000 0x00 0x0c400000>;
+		ti,sci-dev-id = <199>;
+
+		main_navss_intr: interrupt-controller1 {
+			compatible = "ti,sci-intr";
+			ti,intr-trigger-type = <4>;
+			interrupt-controller;
+			interrupt-parent = <&gic500>;
+			#interrupt-cells = <1>;
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <213>;
+			ti,interrupt-ranges = <0 64 64>,
+					      <64 448 64>,
+					      <128 672 64>;
+		};
+
+		main_udmass_inta: interrupt-controller@33d00000 {
+			compatible = "ti,sci-inta";
+			reg = <0x0 0x33d00000 0x0 0x100000>;
+			interrupt-controller;
+			interrupt-parent = <&main_navss_intr>;
+			msi-controller;
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <209>;
+			ti,interrupt-ranges = <0 0 256>;
+		};
 
 		secure_proxy_main: mailbox@32c00000 {
 			compatible = "ti,am654-secure-proxy";
@@ -56,6 +81,42 @@
 			interrupt-names = "rx_011";
 			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
 		};
+
+		main_ringacc: ringacc@3c000000 {
+			compatible = "ti,am654-navss-ringacc";
+			reg =	<0x0 0x3c000000 0x0 0x400000>,
+				<0x0 0x38000000 0x0 0x400000>,
+				<0x0 0x31120000 0x0 0x100>,
+				<0x0 0x33000000 0x0 0x40000>;
+			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
+			ti,num-rings = <1024>;
+			ti,sci-rm-range-gp-rings = <0x1>; /* GP ring range */
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <211>;
+			msi-parent = <&main_udmass_inta>;
+		};
+
+		main_udmap: dma-controller@31150000 {
+			compatible = "ti,j721e-navss-main-udmap";
+			reg =	<0x0 0x31150000 0x0 0x100>,
+				<0x0 0x34000000 0x0 0x100000>,
+				<0x0 0x35000000 0x0 0x100000>;
+			reg-names = "gcfg", "rchanrt", "tchanrt";
+			msi-parent = <&main_udmass_inta>;
+			#dma-cells = <1>;
+
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <212>;
+			ti,ringacc = <&main_ringacc>;
+
+			ti,sci-rm-range-tchan = <0x0d>, /* TX_CHAN */
+						<0x0f>, /* TX_HCHAN */
+						<0x10>; /* TX_UHCHAN */
+			ti,sci-rm-range-rchan = <0x0a>, /* RX_CHAN */
+						<0x0b>, /* RX_HCHAN */
+						<0x0c>; /* RX_UHCHAN */
+			ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */
+		};
 	};
 
 	main_pmx0: pinmux@11c000 {
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
index 670e4c7cd9fe..9ecb7e0c9cf7 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
@@ -81,4 +81,48 @@
 		clocks = <&k3_clks 149 2>;
 		clock-names = "fclk";
 	};
+
+	cbass_mcu_navss: navss@28380000 {
+		compatible = "simple-mfd";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		dma-coherent;
+		dma-ranges;
+		ti,sci-dev-id = <232>;
+
+		mcu_ringacc: ringacc@2b800000 {
+			compatible = "ti,am654-navss-ringacc";
+			reg =	<0x0 0x2b800000 0x0 0x400000>,
+				<0x0 0x2b000000 0x0 0x400000>,
+				<0x0 0x28590000 0x0 0x100>,
+				<0x0 0x2a500000 0x0 0x40000>;
+			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
+			ti,num-rings = <286>;
+			ti,sci-rm-range-gp-rings = <0x1>; /* GP ring range */
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <235>;
+			msi-parent = <&main_udmass_inta>;
+		};
+
+		mcu_udmap: dma-controller@285c0000 {
+			compatible = "ti,j721e-navss-mcu-udmap";
+			reg =	<0x0 0x285c0000 0x0 0x100>,
+				<0x0 0x2a800000 0x0 0x40000>,
+				<0x0 0x2aa00000 0x0 0x40000>;
+			reg-names = "gcfg", "rchanrt", "tchanrt";
+			msi-parent = <&main_udmass_inta>;
+			#dma-cells = <1>;
+
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <236>;
+			ti,ringacc = <&mcu_ringacc>;
+
+			ti,sci-rm-range-tchan = <0x0d>, /* TX_CHAN */
+						<0x0f>; /* TX_HCHAN */
+			ti,sci-rm-range-rchan = <0x0a>, /* RX_CHAN */
+						<0x0b>; /* RX_HCHAN */
+			ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */
+		};
+	};
 };
