FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/cpufreq/nvidia,tegra124-cpufreq.txt

     Tegra124 CPU frequency scaling driver bindings
     ----------------------------------------------
     
     Both required and optional properties listed below must be defined
     under node /cpus/cpu@0.
     
     Required properties:
     - clocks: Must contain an entry for each entry in clock-names.
       See ../clocks/clock-bindings.txt for details.
    - clock-names: Must include the following entries:
      - cpu_g: Clock mux for the fast CPU cluster.
      - pll_x: Fast PLL clocksource.
      - pll_p: Auxiliary PLL used during fast PLL rate changes.
      - dfll: Fast DFLL clocksource that also automatically scales CPU voltage.
    
    Optional properties:
    - clock-latency: Specify the possible maximum transition latency for clock,
      in unit of nanoseconds.
    
    Example:
    --------
    cpus {
            #address-cells = <1>;
            #size-cells = <0>;
    
            cpu@0 {
                    device_type = "cpu";
                    compatible = "arm,cortex-a15";
                    reg = <0>;
    
                    clocks = <&tegra_car TEGRA124_CLK_CCLK_G>,
                             <&tegra_car TEGRA124_CLK_PLL_X>,
                             <&tegra_car TEGRA124_CLK_PLL_P>,
                             <&dfll>;
                    clock-names = "cpu_g", "pll_x", "pll_p", "dfll";
                    clock-latency = <300000>;
            };
    
            <...>
    };

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