Documentation/devicetree/bindings/input/ti,palmas-pwrbutton.txt

   1 Texas Instruments Palmas family power button module
   2
   3 This module is part of the Palmas family of PMICs. For more details
   4 about the whole chip see:
   5 Documentation/devicetree/bindings/mfd/palmas.txt.
   6
   7 This module provides a simple power button event via an Interrupt.
   8
   9 Required properties:
  10 - compatible: should be one of the following
  11    - "ti,palmas-pwrbutton": For Palmas compatible power on button
  12 - interrupt-parent: Parent interrupt device, must be handle of palmas node.
  13 - interrupts: Interrupt number of power button submodule on device.
  14
  15 Optional Properties:
  16
  17 - ti,palmas-long-press-seconds: Duration in seconds which the power
  18   button should be kept pressed for Palmas to power off automatically.
  19   NOTE: This depends on OTP support and POWERHOLD signal configuration
  20   on platform. Valid values are 6, 8, 10 and 12.
  21 - ti,palmas-pwron-debounce-milli-seconds: Duration in milliseconds
  22   which the power button should be kept pressed for Palmas to register
  23   a press for debouncing purposes. NOTE: This depends on specific
  24   Palmas variation capability. Valid values are 15, 100, 500 and 1000.
  25
  26 Example:
  27
  28 &palmas {
  29         palmas_pwr_button: pwrbutton {
  30                 compatible = "ti,palmas-pwrbutton";
  31                 interrupt-parent = <&tps659038>;
  32                 interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
  33                 ti,palmas-long-press-seconds = <12>;
  34                 ti,palmas-pwron-debounce-milli-seconds = <15>;
  35         };
  36 };