};
 
                        cm_core_aon: cm_core_aon@5000 {
-                               compatible = "ti,dra7-cm-core-aon";
+                               compatible = "ti,dra7-cm-core-aon",
+                                             "simple-bus";
+                               #address-cells = <1>;
+                               #size-cells = <1>;
                                reg = <0x5000 0x2000>;
+                               ranges = <0 0x5000 0x2000>;
 
                                cm_core_aon_clocks: clocks {
                                        #address-cells = <1>;
                        };
 
                        cm_core: cm_core@8000 {
-                               compatible = "ti,dra7-cm-core";
+                               compatible = "ti,dra7-cm-core", "simple-bus";
+                               #address-cells = <1>;
+                               #size-cells = <1>;
                                reg = <0x8000 0x3000>;
+                               ranges = <0 0x8000 0x3000>;
 
                                cm_core_clocks: clocks {
                                        #address-cells = <1>;
                        };
 
                        prm: prm@6000 {
-                               compatible = "ti,dra7-prm";
+                               compatible = "ti,dra7-prm", "simple-bus";
                                reg = <0x6000 0x3000>;
                                interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+                               #address-cells = <1>;
+                               #size-cells = <1>;
+                               ranges = <0 0x6000 0x3000>;
 
                                prm_clocks: clocks {
                                        #address-cells = <1>;