Documentation/devicetree/bindings/spi/spi_atmel.txt

   1 Atmel SPI device
   2
   3 Required properties:
   4 - compatible : should be "atmel,at91rm9200-spi".
   5 - reg: Address and length of the register set for the device
   6 - interrupts: Should contain spi interrupt
   7 - cs-gpios: chipselects
   8
   9 Example:
  10
  11 spi1: spi@fffcc000 {
  12         compatible = "atmel,at91rm9200-spi";
  13         reg = <0xfffcc000 0x4000>;
  14         interrupts = <13 4 5>;
  15         #address-cells = <1>;
  16         #size-cells = <0>;
  17         cs-gpios = <&pioB 3 0>;
  18         status = "okay";
  19
  20         mmc-slot@0 {
  21                 compatible = "mmc-spi-slot";
  22                 reg = <0>;
  23                 gpios = <&pioC 4 0>;    /* CD */
  24                 spi-max-frequency = <25000000>;
  25         };
  26 };