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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