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%YAML 1.2
3---
4$id: http://devicetree.org/schemas/clock/ingenic,cgu.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Ingenic SoCs CGU devicetree bindings
8
9description: |
10 The CGU in an Ingenic SoC provides all the clocks generated on-chip. It
11 typically includes a variety of PLLs, multiplexers, dividers & gates in order
12 to provide many different clock signals derived from only 2 external source
13 clocks.
14
15maintainers:
16 - Paul Cercueil <paul@crapouillou.net>
17
18select:
19 properties:
20 compatible:
21 contains:
22 enum:
23 - ingenic,jz4740-cgu
24 - ingenic,jz4725b-cgu
25 - ingenic,jz4770-cgu
26 - ingenic,jz4780-cgu
27 - ingenic,x1000-cgu
28 - ingenic,x1830-cgu
29 required:
30 - compatible
31
32properties:
33 $nodename:
34 pattern: "^clock-controller@[0-9a-f]+$"
35
36 "#address-cells":
37 const: 1
38
39 "#size-cells":
40 const: 1
41
42 "#clock-cells":
43 const: 1
44
45 ranges: true
46
47 compatible:
48 items:
49 - enum:
50 - ingenic,jz4740-cgu
51 - ingenic,jz4725b-cgu
52 - ingenic,jz4770-cgu
53 - ingenic,jz4780-cgu
54 - ingenic,x1000-cgu
55 - ingenic,x1830-cgu
56 - const: simple-mfd
57 minItems: 1
58
59 reg:
60 maxItems: 1
61
62 clocks:
63 items:
64 - description: External oscillator clock
65 - description: Internal 32 kHz RTC clock
66
67 clock-names:
68 items:
69 - const: ext
70 - enum:
71 - rtc
72 - osc32k # Different name, same clock
73
74 assigned-clocks:
75 minItems: 1
76 maxItems: 64
77
78 assigned-clock-parents:
79 minItems: 1
80 maxItems: 64
81
82 assigned-clock-rates:
83 minItems: 1
84 maxItems: 64
85
86required:
87 - "#clock-cells"
88 - compatible
89 - reg
90 - clocks
91 - clock-names
92
93patternProperties:
94 "^usb-phy@[a-f0-9]+$":
95 allOf: [ $ref: "../usb/ingenic,jz4770-phy.yaml#" ]
96
97additionalProperties: false
98
99examples:
100 - |
101 #include <dt-bindings/clock/jz4770-cgu.h>
102 cgu: clock-controller@10000000 {
103 compatible = "ingenic,jz4770-cgu", "simple-mfd";
104 reg = <0x10000000 0x100>;
105 #address-cells = <1>;
106 #size-cells = <1>;
107 ranges = <0x0 0x10000000 0x100>;
108
109 clocks = <&ext>, <&osc32k>;
110 clock-names = "ext", "osc32k";
111
112 #clock-cells = <1>;
113
114 otg_phy: usb-phy@3c {
115 compatible = "ingenic,jz4770-phy";
116 reg = <0x3c 0x10>;
117
118 clocks = <&cgu JZ4770_CLK_OTG_PHY>;
119
120 vcc-supply = <&ldo5>;
121
122 #phy-cells = <0>;
123 };
124 };