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kernel/linux-rt-4.4.41/Documentation/devicetree/bindings/spi/spi-sun4i.txt 675 Bytes
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  Allwinner A10 SPI controller
  
  Required properties:
  - compatible: Should be "allwinner,sun4-a10-spi".
  - reg: Should contain register location and length.
  - interrupts: Should contain interrupt.
  - clocks: phandle to the clocks feeding the SPI controller. Two are
            needed:
    - "ahb": the gated AHB parent clock
    - "mod": the parent module clock
  - clock-names: Must contain the clock names described just above
  
  Example:
  
  spi1: spi@01c06000 {
  	compatible = "allwinner,sun4i-a10-spi";
  	reg = <0x01c06000 0x1000>;
  	interrupts = <11>;
  	clocks = <&ahb_gates 21>, <&spi1_clk>;
  	clock-names = "ahb", "mod";
  	status = "disabled";
  	#address-cells = <1>;
  	#size-cells = <0>;
  };