The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/input/ti,palmas-pwrbutton.txt

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    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 - interrupts: Interrupt number of power button submodule on device.
   13 
   14 Optional Properties:
   15 
   16 - ti,palmas-long-press-seconds: Duration in seconds which the power
   17   button should be kept pressed for Palmas to power off automatically.
   18   NOTE: This depends on OTP support and POWERHOLD signal configuration
   19   on platform. Valid values are 6, 8, 10 and 12.
   20 - ti,palmas-pwron-debounce-milli-seconds: Duration in milliseconds
   21   which the power button should be kept pressed for Palmas to register
   22   a press for debouncing purposes. NOTE: This depends on specific
   23   Palmas variation capability. Valid values are 15, 100, 500 and 1000.
   24 
   25 Example:
   26 
   27 &palmas {
   28         palmas_pwr_button: pwrbutton {
   29                 compatible = "ti,palmas-pwrbutton";
   30                 interrupt-parent = <&tps659038>;
   31                 interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
   32                 ti,palmas-long-press-seconds = <12>;
   33                 ti,palmas-pwron-debounce-milli-seconds = <15>;
   34         };
   35 };

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