IPMI device Required properties: - compatible: should be one of ipmi-kcs, ipmi-smic, or ipmi-bt - device_type: should be ipmi - reg: Address and length of the register set for the device Optional properties: - interrupts: The interrupt for the device. Without this the interface is polled. - reg-size - The size of the register. Defaults to 1 - reg-spacing - The number of bytes between register starts. Defaults to 1 - reg-shift - The amount to shift the registers to the right to get the data into bit zero. Example: smic@fff3a000 { compatible = "ipmi-smic"; device_type = "ipmi"; reg = <0xfff3a000 0x1000>; interrupts = <0 24 4>; reg-size = <4>; reg-spacing = <4>; };