FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/spi/jcore,spi.txt

     J-Core SPI master
     
     Required properties:
     
     - compatible: Must be "jcore,spi2".
     
     - reg: Memory region for registers.
     
     - #address-cells: Must be 1.
    
    - #size-cells: Must be 0.
    
    Optional properties:
    
    - clocks: If a phandle named "ref_clk" is present, SPI clock speed
      programming is relative to the frequency of the indicated clock.
      Necessary only if the input clock rate is something other than a
      fixed 50 MHz.
    
    - clock-names: Clock names, one for each phandle in clocks.
    
    See spi-bus.txt for additional properties not specific to this device.
    
    Example:
    
    spi@40 {
            compatible = "jcore,spi2";
            #address-cells = <1>;
            #size-cells = <0>;
            reg = <0x40 0x8>;
            spi-max-frequency = <25000000>;
            clocks = <&bus_clk>;
            clock-names = "ref_clk";
    }

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