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