forked from Minki/linux
37 lines
1.3 KiB
Plaintext
37 lines
1.3 KiB
Plaintext
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Texas Instruments Palmas family power button module
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This module is part of the Palmas family of PMICs. For more details
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about the whole chip see:
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Documentation/devicetree/bindings/mfd/palmas.txt.
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This module provides a simple power button event via an Interrupt.
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Required properties:
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- compatible: should be one of the following
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- "ti,palmas-pwrbutton": For Palmas compatible power on button
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- interrupt-parent: Parent interrupt device, must be handle of palmas node.
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- interrupts: Interrupt number of power button submodule on device.
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Optional Properties:
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- ti,palmas-long-press-seconds: Duration in seconds which the power
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button should be kept pressed for Palmas to power off automatically.
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NOTE: This depends on OTP support and POWERHOLD signal configuration
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on platform. Valid values are 6, 8, 10 and 12.
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- ti,palmas-pwron-debounce-milli-seconds: Duration in milliseconds
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which the power button should be kept pressed for Palmas to register
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a press for debouncing purposes. NOTE: This depends on specific
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Palmas variation capability. Valid values are 15, 100, 500 and 1000.
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Example:
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&palmas {
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palmas_pwr_button: pwrbutton {
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compatible = "ti,palmas-pwrbutton";
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interrupt-parent = <&tps659038>;
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interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
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ti,palmas-long-press-seconds = <12>;
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ti,palmas-pwron-debounce-milli-seconds = <15>;
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};
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};
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