FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/rtc/haoyu,hym8563.txt

     Haoyu Microelectronics HYM8563 Real Time Clock
     
     The HYM8563 provides basic rtc and alarm functionality
     as well as a clock output of up to 32kHz.
     
     Required properties:
     - compatible: should be: "haoyu,hym8563"
     - reg: i2c address
     - #clock-cells: the value should be 0
    
    Optional properties:
    - clock-output-names: From common clock binding
    - interrupts: rtc alarm/event interrupt
    
    Example:
    
    hym8563: hym8563@51 {
            compatible = "haoyu,hym8563";
            reg = <0x51>;
    
            interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
    
            #clock-cells = <0>;
    };
    
    device {
    ...
            clocks = <&hym8563>;
    ...
    };

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