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