1* Freescale (Enhanced) Configurable Serial Peripheral Interface 2 (CSPI/eCSPI) for i.MX 3 4Required properties: 5- compatible : Should be "fsl,<soc>-cspi" or "fsl,<soc>-ecspi" 6- reg : Offset and length of the register set for the device 7- interrupts : Should contain CSPI/eCSPI interrupt 8- fsl,spi-num-chipselects : Contains the number of the chipselect 9- cs-gpios : Specifies the gpio pins to be used for chipselects. 10 11Example: 12 13ecspi@70010000 { 14 #address-cells = <1>; 15 #size-cells = <0>; 16 compatible = "fsl,imx51-ecspi"; 17 reg = <0x70010000 0x4000>; 18 interrupts = <36>; 19 fsl,spi-num-chipselects = <2>; 20 cs-gpios = <&gpio3 24 0>, /* GPIO4_24 */ 21 <&gpio3 25 0>; /* GPIO4_25 */ 22}; 23