Marvell Orion SPI deviceRequired properties:- compatible : should be "marvell,orion-spi".- reg : offset and length of the register set for the device- cell-index : Which of multiple SPI controllers is this.Optional properties:- interrupts : Is currently not used.Example: spi@10600 { compatible = "marvell,orion-spi"; #address-cells = <1>; #size-cells = <0>; cell-index = <0>; reg = <0x10600 0x28>; interrupts = <23>; status = "disabled"; };