FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/clock/tango4-clock.txt

     * Sigma Designs Tango4 Clock Generator
     
     The Tango4 clock generator outputs cpu_clk and sys_clk (the latter is used
     for RAM and various peripheral devices). The clock binding described here
     is applicable to all Tango4 SoCs.
     
     Required Properties:
     
     - compatible: should be "sigma,tango4-clkgen".
    - reg: physical base address of the device and length of memory mapped region.
    - clocks: phandle of the input clock (crystal oscillator).
    - clock-output-names: should be "cpuclk" and "sysclk".
    - #clock-cells: should be set to 1.
    
    Example:
    
            clkgen: clkgen@10000 {
                    compatible = "sigma,tango4-clkgen";
                    reg = <0x10000 0x40>;
                    clocks = <&xtal>;
                    clock-output-names = "cpuclk", "sysclk";
                    #clock-cells = <1>;
            };

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