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     1 Qualcomm PM8941 PMIC Power Key
    2 
    3 PROPERTIES
    4 
    5 - compatible:
    6         Usage: required
    7         Value type: <string>
    8         Definition: must be one of:
    9                     "qcom,pm8941-pwrkey"
   10                     "qcom,pm8941-resin"
   11                     "qcom,pmk8350-pwrkey"
   12                     "qcom,pmk8350-resin"
   13 
   14 - reg:
   15         Usage: required
   16         Value type: <prop-encoded-array>
   17         Definition: base address of registers for block
   18 
   19 - interrupts:
   20         Usage: required
   21         Value type: <prop-encoded-array>
   22         Definition: key change interrupt; The format of the specifier is
   23                     defined by the binding document describing the node's
   24                     interrupt parent.
   25 
   26 - debounce:
   27         Usage: optional
   28         Value type: <u32>
   29         Definition: time in microseconds that key must be pressed or released
   30                     for state change interrupt to trigger.
   31 
   32 - bias-pull-up:
   33         Usage: optional
   34         Value type: <empty>
   35         Definition: presence of this property indicates that the KPDPWR_N pin
   36                     should be configured for pull up.
   37 
   38 - linux,code:
   39         Usage: optional
   40         Value type: <u32>
   41         Definition: The input key-code associated with the power key.
   42                     Use the linux event codes defined in
   43                     include/dt-bindings/input/linux-event-codes.h
   44                     When property is omitted KEY_POWER is assumed.
   45 
   46 EXAMPLE
   47 
   48         pwrkey@800 {
   49                 compatible = "qcom,pm8941-pwrkey";
   50                 reg = <0x800>;
   51                 interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
   52                 debounce = <15625>;
   53                 bias-pull-up;
   54                 linux,code = <KEY_POWER>;
   55         };
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