1* Intel Advanced Configuration and Power Interface General Purpose Events
2
3This describes an interrupt controller which provides access to GPEs supported
4by the SoC.
5
6Required properties:
7
8- compatible : "intel,acpi-gpe"
9- interrupt-controller : Identifies the node as an interrupt controller
10- #interrupt-cells : The number of cells to define the interrupts.  Must be 2:
11     cell 0: interrupt number (normally >=32 since GPEs below that are reserved)
12     cell 1: 0 (flags, but none are currently defined)
13- reg : The register bank for the controller (set this to the ACPI base).
14
15Example:
16
17	general-purpose-events {
18		reg = <IOMAP_ACPI_BASE IOMAP_ACPI_SIZE>;
19		compatible = "intel,acpi-gpe";
20		interrupt-controller;
21		#interrupt-cells = <2>;
22	};
23
24	...
25	tpm@50 {
26		reg = <0x50>;
27		compatible = "google,cr50";
28		ready-gpios = <&gpio_n 0x1c GPIO_ACTIVE_LOW>;
29		interrupts-extended = <&acpi_gpe 0x3c 0>;
30	};
31