xref: /linux/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml (revision d30c1683aaecb93d2ab95685dc4300a33d3cea7a) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/timer/thead,c900-aclint-mtimer.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: ACLINT Machine-level Timer Device
8
9maintainers:
10  - Inochi Amaoto <inochiama@outlook.com>
11
12properties:
13  compatible:
14    oneOf:
15      - items:
16          - enum:
17              - sophgo,sg2042-aclint-mtimer
18              - sophgo,sg2044-aclint-mtimer
19          - const: thead,c900-aclint-mtimer
20      - items:
21          - enum:
22              - anlogic,dr1v90-aclint-mtimer
23          - const: nuclei,ux900-aclint-mtimer
24
25  reg:
26    items:
27      - description: MTIMECMP Registers
28
29  reg-names:
30    items:
31      - const: mtimecmp
32
33  interrupts-extended:
34    minItems: 1
35    maxItems: 4095
36
37additionalProperties: false
38
39required:
40  - compatible
41  - reg
42  - reg-names
43  - interrupts-extended
44
45examples:
46  - |
47    timer@ac000000 {
48      compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
49      interrupts-extended = <&cpu1intc 7>,
50                            <&cpu2intc 7>,
51                            <&cpu3intc 7>,
52                            <&cpu4intc 7>;
53      reg = <0xac000000 0x00010000>;
54      reg-names = "mtimecmp";
55    };
56...
57