LXR linux/Documentation/devicetree/bindings/input/qcom,pm8xxx-pwrkey.txt

   1Qualcomm PM8xxx PMIC Power Key
   2
   3PROPERTIES
   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
  37EXAMPLE
  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        };
  47