Altera SOCFPGA System Manager Required properties: - compatible : "altr,sys-mgr" - reg : Should contain 1 register ranges(address and length) - cpu1-start-addr : CPU1 start address in hex. Example: sysmgr@ffd08000 { compatible = "altr,sys-mgr"; reg = <0xffd08000 0x1000>; cpu1-start-addr = <0xffd080c4>; };