1Synopsys DesignWare SPI master 2 3Required properties: 4- compatible: should be "snps,designware-spi" 5- #address-cells: see spi-bus.txt 6- #size-cells: see spi-bus.txt 7- reg: address and length of the spi master registers 8- interrupts: should contain one interrupt 9- clocks: spi clock phandle 10- num-cs: see spi-bus.txt 11 12Optional properties: 13- cs-gpios: see spi-bus.txt 14 15Example: 16 17spi: spi@4020a000 { 18 compatible = "snps,designware-spi"; 19 interrupts = <11 1>; 20 reg = <0x4020a000 0x1000>; 21 clocks = <&pclk>; 22 num-cs = <2>; 23 cs-gpios = <&banka 0 0>; 24}; 25