tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/interrupt-controller/arm,versatile-fpga-irq.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: ARM Versatile FPGA IRQ Controller
8
9maintainers:
10 - Linus Walleij <linusw@kernel.org>
11
12description:
13 One or more FPGA IRQ controllers can be synthesized in an ARM reference board
14 such as the Integrator or Versatile family. The output of these different
15 controllers are OR:ed together and fed to the CPU tile's IRQ input. Each
16 instance can handle up to 32 interrupts.
17
18properties:
19 compatible:
20 const: arm,versatile-fpga-irq
21
22 interrupt-controller: true
23
24 '#interrupt-cells':
25 const: 1
26
27 reg:
28 maxItems: 1
29
30 clear-mask:
31 description: A mask written to clear all IRQs on the controller at boot.
32 $ref: /schemas/types.yaml#/definitions/uint32
33
34 valid-mask:
35 description:
36 A bit mask determining which interrupts are valid; unused lines are set to 0.
37 $ref: /schemas/types.yaml#/definitions/uint32
38
39 interrupts:
40 maxItems: 1
41
42additionalProperties: false
43
44required:
45 - compatible
46 - interrupt-controller
47 - '#interrupt-cells'
48 - reg
49 - clear-mask
50 - valid-mask
51
52examples:
53 - |
54 interrupt-controller@14000000 {
55 compatible = "arm,versatile-fpga-irq";
56 #interrupt-cells = <1>;
57 interrupt-controller;
58 reg = <0x14000000 0x100>;
59 clear-mask = <0xffffffff>;
60 valid-mask = <0x003fffff>;
61 };