Documentation/devicetree/bindings/spi/spi-xilinx.txt

   1 Xilinx SPI controller Device Tree Bindings
   2 -------------------------------------------------
   3
   4 Required properties:
   5 - compatible            : Should be "xlnx,xps-spi-2.00.a", "xlnx,xps-spi-2.00.b" or "xlnx,axi-quad-spi-1.00.a"
   6 - reg                   : Physical base address and size of SPI registers map.
   7 - interrupts            : Property with a value describing the interrupt
   8                           number.
   9
  10 Optional properties:
  11 - xlnx,num-ss-bits       : Number of chip selects used.
  12 - xlnx,num-transfer-bits : Number of bits per transfer. This will be 8 if not specified
  13
  14 Example:
  15         axi_quad_spi@41e00000 {
  16                         compatible = "xlnx,xps-spi-2.00.a";
  17                         interrupt-parent = <&intc>;
  18                         interrupts = <0 31 1>;
  19                         reg = <0x41e00000 0x10000>;
  20                         xlnx,num-ss-bits = <0x1>;
  21                         xlnx,num-transfer-bits = <32>;
  22         };
  23