1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/clock/sprd,sc9860-clk.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Spreadtrum SC9860 clock
8
9 maintainers:
10 - Orson Zhai <orsonzhai@gmail.com>
11 - Baolin Wang <baolin.wang7@gmail.com>
12 - Chunyan Zhang <zhang.lyra@gmail.com>
13
14 properties:
15 compatible:
16 enum:
17 - sprd,sc9860-agcp-gate
18 - sprd,sc9860-aonsecure-clk
19 - sprd,sc9860-aon-gate
20 - sprd,sc9860-aon-prediv
21 - sprd,sc9860-apahb-gate
22 - sprd,sc9860-apapb-gate
23 - sprd,sc9860-ap-clk
24 - sprd,sc9860-cam-clk
25 - sprd,sc9860-cam-gate
26 - sprd,sc9860-disp-clk
27 - sprd,sc9860-disp-gate
28 - sprd,sc9860-gpu-clk
29 - sprd,sc9860-pll
30 - sprd,sc9860-pmu-gate
31 - sprd,sc9860-vsp-clk
32 - sprd,sc9860-vsp-gate
33
34 reg:
35 maxItems: 1
36
37 clocks:
38 minItems: 1
39 maxItems: 3
40
41 '#clock-cells':
42 const: 1
43
44 sprd,syscon:
45 $ref: /schemas/types.yaml#/definitions/phandle
46 description:
47 phandle to the syscon which is in the same address area with the
48 clock, and so we can get regmap for the clocks from the syscon device
49
50 required:
51 - compatible
52 - clocks
53 - '#clock-cells'
54
55 allOf:
56 - if:
57 properties:
58 compatible:
59 contains:
60 enum:
61 - sprd,sc9860-agcp-gate
62 - sprd,sc9860-aon-gate
63 - sprd,sc9860-apahb-gate
64 - sprd,sc9860-apapb-gate
65 - sprd,sc9860-cam-gate
66 - sprd,sc9860-disp-gate
67 - sprd,sc9860-gpu-clk
68 - sprd,sc9860-pll
69 - sprd,sc9860-pmu-gate
70 - sprd,sc9860-vsp-gate
71 then:
72 properties:
73 clocks:
74 maxItems: 1
75 - if:
76 properties:
77 compatible:
78 contains:
79 enum:
80 - sprd,sc9860-aonsecure-clk
81 - sprd,sc9860-cam-clk
82 - sprd,sc9860-disp-clk
83 - sprd,sc9860-vsp-clk
84 then:
85 properties:
86 clocks:
87 minItems: 2
88 maxItems: 2
89 - if:
90 properties:
91 compatible:
92 contains:
93 enum:
94 - sprd,sc9860-aon-prediv
95 - sprd,sc9860-ap-clk
96 then:
97 properties:
98 clocks:
99 minItems: 3
100 - if:
101 properties:
102 compatible:
103 contains:
104 enum:
105 - sprd,sc9860-aonsecure-clk
106 - sprd,sc9860-aon-prediv
107 - sprd,sc9860-ap-clk
108 - sprd,sc9860-cam-clk
109 - sprd,sc9860-disp-clk
110 - sprd,sc9860-gpu-clk
111 - sprd,sc9860-vsp-clk
112 then:
113 required:
114 - reg
115 properties:
116 sprd,syscon: false
117 - if:
118 properties:
119 compatible:
120 contains:
121 enum:
122 - sprd,sc9860-agcp-gate
123 - sprd,sc9860-aon-gate
124 - sprd,sc9860-apahb-gate
125 - sprd,sc9860-apapb-gate
126 - sprd,sc9860-cam-gate
127 - sprd,sc9860-disp-gate
128 - sprd,sc9860-pll
129 - sprd,sc9860-pmu-gate
130 - sprd,sc9860-vsp-gate
131 then:
132 required:
133 - sprd,syscon
134 properties:
135 reg: false
136
137 additionalProperties: false
138
139 examples:
140 - |
141 soc {
142 #address-cells = <2>;
143 #size-cells = <2>;
144
145 pmu-gate {
146 compatible = "sprd,sc9860-pmu-gate";
147 clocks = <&ext_26m>;
148 #clock-cells = <1>;
149 sprd,syscon = <&pmu_regs>;
150 };
151
152 clock-controller@20000000 {
153 compatible = "sprd,sc9860-ap-clk";
154 reg = <0 0x20000000 0 0x400>;
155 clocks = <&ext_26m>, <&pll 0>, <&pmu_gate 0>;
156 #clock-cells = <1>;
157 };
158 };
159 ...
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