drivers/of/unittest-data/tests-interrupts.dtsi

Source file repositories/reference/linux-study-clean/drivers/of/unittest-data/tests-interrupts.dtsi

File Facts

System
Linux kernel
Corpus path
drivers/of/unittest-data/tests-interrupts.dtsi
Extension
.dtsi
Size
2644 bytes
Lines
114
Domain
Driver Families
Bucket
drivers/of
Inferred role
Driver Families: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0

/ {
	testcase-data {
		interrupts {
			#address-cells = <1>;
			#size-cells = <1>;

			test_intc0: intc0 {
				interrupt-controller;
				#interrupt-cells = <1>;
			};

			test_intc1: intc1 {
				interrupt-controller;
				#interrupt-cells = <3>;
			};

			test_intc2: intc2 {
				interrupt-controller;
				#interrupt-cells = <2>;
			};

			test_intmap0: intmap0 {
				#interrupt-cells = <1>;
				#address-cells = <0>;
				interrupt-map = <1 &test_intc0 9>,
						<2 &test_intc1 10 11 12>,
						<3 &test_intc2 13 14>,
						<4 &test_intc2 15 16>;
			};

			test_intmap1: intmap1 {
				#interrupt-cells = <2>;
				/*
				 * #address-cells is required
				 *
				 * The property is not provided in this node to
				 * test that the code will properly handle
				 * this case for legacy .dts files.
				 *
				 * Not having #address-cells will result in a
				 * warning from dtc starting with
				 * version v1.6.1-19-g0a3a9d3449c8
				 * The warning is suppressed by adding
				 * -Wno-interrupt_map to the Makefile for all
				 * .dts files this include this .dtsi
				#address-cells = <1>;
				 */
				interrupt-map = <0x5000 1 2 &test_intc0 15>;
			};

			intmap2 {
				#interrupt-cells = <2>;
				#address-cells = <0>;
				interrupt-map = <1 11 &test_intc0 100>,
						<2 22 &test_intc1 200 201 202>,
						<3 33 &test_intc2 300 301>,
						<4 44 &test_intc2 400 401>;
			};

			test_intc_intmap0: intc-intmap0 {
				#interrupt-cells = <1>;
				#address-cells = <1>;
				interrupt-controller;
				interrupt-map = <0x6000 1 &test_intc_intmap0 0x7000 2>;
			};

			interrupts0 {
				interrupt-parent = <&test_intc0>;

Annotation

Implementation Notes