The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/input/qcom,pm8xxx-pwrkey.txt

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    1 Qualcomm PM8xxx PMIC Power Key
    2 
    3 PROPERTIES
    4 
    5 - compatible:
    6         Usage: required
    7         Value type: <string>
    8         Definition: must be one of:
    9                     "qcom,pm8058-pwrkey"
   10                     "qcom,pm8921-pwrkey"
   11 
   12 - reg:
   13         Usage: required
   14         Value type: <prop-encoded-array>
   15         Definition: address of power key control register
   16 
   17 - interrupts:
   18         Usage: required
   19         Value type: <prop-encoded-array>
   20         Definition: the first interrupt specifies the key release interrupt
   21                     and the second interrupt specifies the key press interrupt.
   22                     The format of the specifier is defined by the binding
   23                     document describing the node's interrupt parent.
   24 
   25 - debounce:
   26         Usage: optional
   27         Value type: <u32>
   28         Definition: time in microseconds that key must be pressed or release
   29                     for state change interrupt to trigger.
   30 
   31 - pull-up:
   32         Usage: optional
   33         Value type: <empty>
   34         Definition: presence of this property indicates that the KPDPWR_N pin
   35                     should be configured for pull up.
   36 
   37 EXAMPLE
   38 
   39         pwrkey@1c {
   40                 compatible = "qcom,pm8921-pwrkey";
   41                 reg = <0x1c>;
   42                 interrupt-parent = <&pmicintc>;
   43                 interrupts = <50 1>, <51 1>;
   44                 debounce = <15625>;
   45                 pull-up;
   46         };

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