tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/clock/loongson,ls2k-clk.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Loongson-2 SoC Clock Control Module
8
9maintainers:
10 - Yinbo Zhu <zhuyinbo@loongson.cn>
11
12description: |
13 Loongson-2 SoC clock control module is an integrated clock controller, which
14 generates and supplies to all modules.
15
16properties:
17 compatible:
18 enum:
19 - loongson,ls2k0300-clk
20 - loongson,ls2k0500-clk
21 - loongson,ls2k-clk # This is for Loongson-2K1000
22 - loongson,ls2k2000-clk
23
24 reg:
25 maxItems: 1
26
27 clocks:
28 maxItems: 1
29
30 clock-names:
31 items:
32 - const: ref_100m
33
34 '#clock-cells':
35 const: 1
36 description:
37 The clock consumer should specify the desired clock by having the clock
38 ID in its "clocks" phandle cell. See include/dt-bindings/clock/loongson,ls2k-clk.h
39 for the full list of Loongson-2 SoC clock IDs.
40
41allOf:
42 - if:
43 properties:
44 compatible:
45 contains:
46 const: loongson,ls2k0300-clk
47 then:
48 properties:
49 clock-names: false
50 else:
51 required:
52 - clock-names
53
54required:
55 - compatible
56 - reg
57 - clocks
58 - '#clock-cells'
59
60additionalProperties: false
61
62examples:
63 - |
64 ref_100m: clock-ref-100m {
65 compatible = "fixed-clock";
66 #clock-cells = <0>;
67 clock-frequency = <100000000>;
68 clock-output-names = "ref_100m";
69 };
70
71 clk: clock-controller@1fe00480 {
72 compatible = "loongson,ls2k-clk";
73 reg = <0x1fe00480 0x58>;
74 #clock-cells = <1>;
75 clocks = <&ref_100m>;
76 clock-names = "ref_100m";
77 };