xref: /linux/Documentation/devicetree/bindings/clock/sprd,sc9860-clk.yaml (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
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
7title: Spreadtrum SC9860 clock
8
9maintainers:
10  - Orson Zhai <orsonzhai@gmail.com>
11  - Baolin Wang <baolin.wang7@gmail.com>
12  - Chunyan Zhang <zhang.lyra@gmail.com>
13
14properties:
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
50required:
51  - compatible
52  - clocks
53  - '#clock-cells'
54
55allOf:
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
137additionalProperties: false
138
139examples:
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...
160