1Texas Instruments Palmas family power button module
2
3This module is part of the Palmas family of PMICs. For more details
4about the whole chip see:
5Documentation/devicetree/bindings/mfd/palmas.txt.
6
7This module provides a simple power button event via an Interrupt.
8
9Required 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
15Optional 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
26Example:
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};
37