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