#address-cells = <2>;
                #size-cells = <2>;
                ranges;
+               dma-coherent;
+               dma-ranges;
+
+               ti,sci-dev-id = <199>;
 
                main_navss_intr: interrupt-controller1 {
                        compatible = "ti,sci-intr";
                        ti,mbox-num-fifos = <16>;
                        interrupt-parent = <&main_navss_intr>;
                };
+
+               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 {
 
                        compatible = "ti,am3359-adc";
                };
        };
+
+       mcu_navss {
+               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 */
+               };
+       };
 };