linux/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt
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   1NVIDIA Tegra20 SFLASH controller.
   2
   3Required properties:
   4- compatible : should be "nvidia,tegra20-sflash".
   5- reg: Should contain SFLASH registers location and length.
   6- interrupts: Should contain SFLASH interrupts.
   7- nvidia,dma-request-selector : The Tegra DMA controller's phandle and
   8  request selector for this SFLASH controller.
   9
  10Recommended properties:
  11- spi-max-frequency: Definition as per
  12                     Documentation/devicetree/bindings/spi/spi-bus.txt
  13
  14Example:
  15
  16spi@7000c380 {
  17        compatible = "nvidia,tegra20-sflash";
  18        reg = <0x7000c380 0x80>;
  19        interrupts = <0 39 0x04>;
  20        nvidia,dma-request-selector = <&apbdma 16>;
  21        spi-max-frequency = <25000000>;
  22        #address-cells = <1>;
  23        #size-cells = <0>;
  24        status = "disabled";
  25};
  26
  27