xref: /freebsd/sys/contrib/device-tree/Bindings/timer/snps,dw-apb-timer.yaml (revision ebacd8013fe5f7fdf9f6a5b286f6680dd2891036) 
1# SPDX-License-Identifier: GPL-2.0-only
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/timer/snps,dw-apb-timer.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Synopsys DesignWare APB Timer
8
9maintainers:
10  - Daniel Lezcano <daniel.lezcano@linaro.org>
11
12properties:
13  compatible:
14    oneOf:
15      - const: snps,dw-apb-timer
16      - enum:
17          - snps,dw-apb-timer-sp
18          - snps,dw-apb-timer-osc
19        deprecated: true
20
21  reg:
22    maxItems: 1
23
24  interrupts:
25    maxItems: 1
26
27  resets:
28    maxItems: 1
29
30  clocks:
31    minItems: 1
32    items:
33      - description: Timer ticks reference clock source
34      - description: APB interface clock source
35
36  clock-names:
37    minItems: 1
38    items:
39      - const: timer
40      - const: pclk
41
42  clock-frequency: true
43
44additionalProperties: false
45
46required:
47  - compatible
48  - reg
49  - interrupts
50
51oneOf:
52  - required:
53      - clocks
54      - clock-names
55  - required:
56      - clock-frequency
57  - required:
58      - clock-freq
59
60examples:
61  - |
62    timer@ffe00000 {
63      compatible = "snps,dw-apb-timer";
64      interrupts = <0 170 4>;
65      reg = <0xffe00000 0x1000>;
66      clocks = <&timer_clk>, <&timer_pclk>;
67      clock-names = "timer", "pclk";
68    };
69  - |
70    timer@ffe00000 {
71      compatible = "snps,dw-apb-timer";
72      interrupts = <0 170 4>;
73      reg = <0xffe00000 0x1000>;
74      clocks = <&timer_clk>;
75      clock-names = "timer";
76    };
77  - |
78    timer@ffe00000 {
79      compatible = "snps,dw-apb-timer";
80      interrupts = <0 170 4>;
81      reg = <0xffe00000 0x1000>;
82      clock-frequency = <25000000>;
83    };
84...
85