xref: /linux/Documentation/devicetree/bindings/clock/canaan,k230-clk.yaml (revision 2ed2e359dea752e7758d29a423033031a0b96584) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/clock/canaan,k230-clk.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Canaan Kendryte K230 Clock
8
9maintainers:
10  - Xukai Wang <kingxukai@zohomail.com>
11
12description:
13  The Canaan K230 clock controller generates various clocks for SoC
14  peripherals. See include/dt-bindings/clock/canaan,k230-clk.h for
15  valid clock IDs.
16
17properties:
18  compatible:
19    const: canaan,k230-clk
20
21  reg:
22    items:
23      - description: PLL control registers
24      - description: Sysclk control registers
25
26  clocks:
27    items:
28      - description: Main external reference clock
29      - description:
30          External clock which used as the pulse input
31          for the timer to provide timing signals.
32
33  clock-names:
34    items:
35      - const: osc24m
36      - const: timer-pulse-in
37
38  '#clock-cells':
39    const: 1
40
41required:
42  - compatible
43  - reg
44  - clocks
45  - clock-names
46  - '#clock-cells'
47
48additionalProperties: false
49
50examples:
51  - |
52    clock-controller@91102000 {
53        compatible = "canaan,k230-clk";
54        reg = <0x91102000 0x40>,
55              <0x91100000 0x108>;
56        clocks = <&osc24m>, <&timerx_pulse_in>;
57        clock-names = "osc24m", "timer-pulse-in";
58        #clock-cells = <1>;
59    };
60