FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/clock/maxim,max9485.txt

     Devicetree bindings for Maxim MAX9485 Programmable Audio Clock Generator
     
     This device exposes 4 clocks in total:
     
     - MAX9485_MCLKOUT:      A gated, buffered output of the input clock of 27 MHz
     - MAX9485_CLKOUT:       A PLL that can be configured to 16 different discrete
                             frequencies
     - MAX9485_CLKOUT[1,2]:  Two gated outputs for MAX9485_CLKOUT
     
    MAX9485_CLKOUT[1,2] are children of MAX9485_CLKOUT which upchain all rate set
    requests.
    
    Required properties:
    - compatible:   "maxim,max9485"
    - clocks:       Input clock, must provice 27.000 MHz
    - clock-names:  Must be set to "xclk"
    - #clock-cells: From common clock binding; shall be set to 1
    
    Optional properties:
    - reset-gpios:          GPIO descriptor connected to the #RESET input pin
    - vdd-supply:           A regulator node for Vdd
    - clock-output-names:   Name of output clocks, as defined in common clock
                            bindings
    
    If not explicitly set, the output names are "mclkout", "clkout", "clkout1"
    and "clkout2".
    
    Clocks are defined as preprocessor macros in the dt-binding header.
    
    Example:
    
            #include <dt-bindings/clock/maxim,max9485.h>
    
            xo-27mhz: xo-27mhz {
                    compatible = "fixed-clock";
                    #clock-cells = <0>;
                    clock-frequency = <27000000>;
            };
    
            &i2c0 {
                    max9485: audio-clock@63 {
                            reg = <0x63>;
                            compatible = "maxim,max9485";
                            clock-names = "xclk";
                            clocks = <&xo-27mhz>;
                            reset-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
                            vdd-supply = <&3v3-reg>;
                            #clock-cells = <1>;
                    };
            };
    
            // Clock consumer node
    
            foo@0 {
                    compatible = "bar,foo";
                    /* ... */
                    clock-names = "foo-input-clk";
                    clocks = <&max9485 MAX9485_CLKOUT1>;
            };

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