1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/clock/fixed-clock.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Simple fixed-rate clock sources
8
9 maintainers:
10 - Michael Turquette <mturquette@baylibre.com>
11 - Stephen Boyd <sboyd@kernel.org>
12
13 properties:
14 $nodename:
15 anyOf:
16 - description:
17 Preferred name is 'clock-<freq>' with <freq> being the output
18 frequency as defined in the 'clock-frequency' property.
19 pattern: "^clock-([0-9]+|[a-z0-9-]+)$"
20 - description: Any name allowed
21 deprecated: true
22
23 compatible:
24 const: fixed-clock
25
26 "#clock-cells":
27 const: 0
28
29 clock-frequency: true
30
31 clock-accuracy:
32 description: accuracy of clock in ppb (parts per billion).
33 $ref: /schemas/types.yaml#/definitions/uint32
34
35 clock-output-names:
36 maxItems: 1
37
38 required:
39 - compatible
40 - "#clock-cells"
41 - clock-frequency
42
43 additionalProperties: false
44
45 examples:
46 - |
47 clock {
48 compatible = "fixed-clock";
49 #clock-cells = <0>;
50 clock-frequency = <1000000000>;
51 clock-accuracy = <100>;
52 };
53 ...
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