Add DT nodes for the Advanced Power Management Units (APMU), and use the
enable-method to point out that the APMU should be used for SMP
support.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;
+               enable-method = "renesas,apmu";
 
                cpu0: cpu@0 {
                        device_type = "cpu";
                };
        };
 
+       apmu@e6151000 {
+               compatible = "renesas,r8a7790-apmu", "renesas,apmu";
+               reg = <0 0xe6151000 0 0x188>;
+               cpus = <&cpu4 &cpu5 &cpu6 &cpu7>;
+       };
+
+       apmu@e6152000 {
+               compatible = "renesas,r8a7790-apmu", "renesas,apmu";
+               reg = <0 0xe6152000 0 0x188>;
+               cpus = <&cpu0 &cpu1 &cpu2 &cpu3>;
+       };
+
        gic: interrupt-controller@f1001000 {
                compatible = "arm,gic-400";
                #interrupt-cells = <3>;