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1Spreadtrum SPI Controller2 3Required properties:4- compatible: Should be "sprd,sc9860-spi".5- reg: Offset and length of SPI controller register space.6- interrupts: Should contain SPI interrupt.7- clock-names: Should contain following entries:8 "spi" for SPI clock,9 "source" for SPI source (parent) clock,10 "enable" for SPI module enable clock.11- clocks: List of clock input name strings sorted in the same order12 as the clock-names property.13- #address-cells: The number of cells required to define a chip select14 address on the SPI bus. Should be set to 1.15- #size-cells: Should be set to 0.16 17Optional properties:18dma-names: Should contain names of the SPI used DMA channel.19dmas: Should contain DMA channels and DMA slave ids which the SPI used20 sorted in the same order as the dma-names property.21 22Example:23spi0: spi@70a00000{24 compatible = "sprd,sc9860-spi";25 reg = <0 0x70a00000 0 0x1000>;26 interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;27 clock-names = "spi", "source","enable";28 clocks = <&clk_spi0>, <&ext_26m>, <&clk_ap_apb_gates 5>;29 dma-names = "rx_chn", "tx_chn";30 dmas = <&apdma 11 11>, <&apdma 12 12>;31 #address-cells = <1>;32 #size-cells = <0>;33};34