Documentation/devicetree/bindings/input/qcom,pm8941-pwrkey.txt

   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         };