tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/interrupt-controller/sophgo,sg2042-msi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Sophgo SG2042 MSI Controller
8
9maintainers:
10 - Chen Wang <unicorn_wang@outlook.com>
11
12description:
13 This interrupt controller is in Sophgo SG2042 for transforming interrupts from
14 PCIe MSI to PLIC interrupts.
15
16allOf:
17 - $ref: /schemas/interrupt-controller/msi-controller.yaml#
18
19properties:
20 compatible:
21 enum:
22 - sophgo,sg2042-msi
23 - sophgo,sg2044-msi
24
25 reg:
26 items:
27 - description: clear register
28 - description: msi doorbell address
29
30 reg-names:
31 items:
32 - const: clr
33 - const: doorbell
34
35 msi-controller: true
36
37 msi-ranges:
38 maxItems: 1
39
40 "#msi-cells":
41 const: 0
42
43required:
44 - compatible
45 - reg
46 - reg-names
47 - msi-controller
48 - msi-ranges
49 - "#msi-cells"
50
51unevaluatedProperties: false
52
53examples:
54 - |
55 #include <dt-bindings/interrupt-controller/irq.h>
56 msi-controller@30000000 {
57 compatible = "sophgo,sg2042-msi";
58 reg = <0x30000000 0x4>, <0x30000008 0x4>;
59 reg-names = "clr", "doorbell";
60 msi-controller;
61 #msi-cells = <0>;
62 msi-ranges = <&plic 64 IRQ_TYPE_LEVEL_HIGH 32>;
63 };