> + poweroff at 12100 { > + compatible = "synology,power-off"; > + reg = <0x12100 0x100>; > + clocks = <&coreclk 0>; > + }; So we have power off using the PIC. > + poweroff_pin: poweroff-pin { > + marvell,pins = "mpp4"; > + marvell,function = "gpio"; > + }; Do you know what this pin is used for? Andrew