tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2# Copyright 2019 Unisoc Inc.
3%YAML 1.2
4---
5$id: "http://devicetree.org/schemas/clock/sprd,sc9863a-clk.yaml#"
6$schema: "http://devicetree.org/meta-schemas/core.yaml#"
7
8title: SC9863A Clock Control Unit Device Tree Bindings
9
10maintainers:
11 - Orson Zhai <orsonzhai@gmail.com>
12 - Baolin Wang <baolin.wang7@gmail.com>
13 - Chunyan Zhang <zhang.lyra@gmail.com>
14
15properties:
16 "#clock-cells":
17 const: 1
18
19 compatible:
20 enum:
21 - sprd,sc9863a-ap-clk
22 - sprd,sc9863a-aon-clk
23 - sprd,sc9863a-apahb-gate
24 - sprd,sc9863a-pmu-gate
25 - sprd,sc9863a-aonapb-gate
26 - sprd,sc9863a-pll
27 - sprd,sc9863a-mpll
28 - sprd,sc9863a-rpll
29 - sprd,sc9863a-dpll
30 - sprd,sc9863a-mm-gate
31 - sprd,sc9863a-mm-clk
32 - sprd,sc9863a-apapb-gate
33
34 clocks:
35 minItems: 1
36 maxItems: 4
37 description: |
38 The input parent clock(s) phandle for this clock, only list fixed
39 clocks which are declared in devicetree.
40
41 clock-names:
42 minItems: 1
43 maxItems: 4
44 items:
45 - const: ext-26m
46 - const: ext-32k
47 - const: ext-4m
48 - const: rco-100m
49
50 reg:
51 maxItems: 1
52
53required:
54 - compatible
55 - '#clock-cells'
56
57if:
58 properties:
59 compatible:
60 enum:
61 - sprd,sc9863a-ap-clk
62 - sprd,sc9863a-aon-clk
63then:
64 required:
65 - reg
66
67else:
68 description: |
69 Other SC9863a clock nodes should be the child of a syscon node in
70 which compatible string shoule be:
71 "sprd,sc9863a-glbregs", "syscon", "simple-mfd"
72
73 The 'reg' property for the clock node is also required if there is a sub
74 range of registers for the clocks.
75
76additionalProperties: false
77
78examples:
79 - |
80 ap_clk: clock-controller@21500000 {
81 compatible = "sprd,sc9863a-ap-clk";
82 reg = <0x21500000 0x1000>;
83 clocks = <&ext_26m>, <&ext_32k>;
84 clock-names = "ext-26m", "ext-32k";
85 #clock-cells = <1>;
86 };
87
88 - |
89 syscon@20e00000 {
90 compatible = "sprd,sc9863a-glbregs", "syscon", "simple-mfd";
91 reg = <0x20e00000 0x4000>;
92 #address-cells = <1>;
93 #size-cells = <1>;
94 ranges = <0 0x20e00000 0x4000>;
95
96 apahb_gate: apahb-gate@0 {
97 compatible = "sprd,sc9863a-apahb-gate";
98 reg = <0x0 0x1020>;
99 #clock-cells = <1>;
100 };
101 };
102
103...