xref: /freebsd/sys/contrib/device-tree/Bindings/timer/cdns,ttc.yaml (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/timer/cdns,ttc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Cadence TTC - Triple Timer Counter
8
9maintainers:
10  - Michal Simek <michal.simek@xilinx.com>
11
12properties:
13  compatible:
14    const: cdns,ttc
15
16  reg:
17    maxItems: 1
18
19  interrupts:
20    minItems: 3
21    maxItems: 3
22    description: |
23      A list of 3 interrupts; one per timer channel.
24
25  clocks:
26    maxItems: 1
27
28  power-domains:
29    maxItems: 1
30
31  timer-width:
32    $ref: "/schemas/types.yaml#/definitions/uint32"
33    description: |
34      Bit width of the timer, necessary if not 16.
35
36required:
37  - compatible
38  - reg
39  - interrupts
40  - clocks
41
42additionalProperties: false
43
44examples:
45  - |
46    ttc0: ttc0@f8001000 {
47        interrupt-parent = <&intc>;
48        interrupts = <0 10 4>, <0 11 4>, <0 12 4>;
49        compatible = "cdns,ttc";
50        reg = <0xF8001000 0x1000>;
51        clocks = <&cpu_clk 3>;
52        timer-width = <32>;
53    };
54