1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/clock/ingen 4 $id: http://devicetree.org/schemas/clock/ingenic,cgu.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Ingenic SoCs CGU !! 7 title: Ingenic SoCs CGU devicetree bindings
8 8
9 description: | 9 description: |
10 The CGU in an Ingenic SoC provides all the c 10 The CGU in an Ingenic SoC provides all the clocks generated on-chip. It
11 typically includes a variety of PLLs, multip 11 typically includes a variety of PLLs, multiplexers, dividers & gates in order
12 to provide many different clock signals deri 12 to provide many different clock signals derived from only 2 external source
13 clocks. 13 clocks.
14 14
15 maintainers: 15 maintainers:
16 - Paul Cercueil <paul@crapouillou.net> 16 - Paul Cercueil <paul@crapouillou.net>
17 17
18 select: 18 select:
19 properties: 19 properties:
20 compatible: 20 compatible:
21 contains: 21 contains:
22 enum: 22 enum:
23 - ingenic,jz4740-cgu 23 - ingenic,jz4740-cgu
24 - ingenic,jz4725b-cgu 24 - ingenic,jz4725b-cgu
25 - ingenic,jz4755-cgu <<
26 - ingenic,jz4760-cgu 25 - ingenic,jz4760-cgu
27 - ingenic,jz4760b-cgu 26 - ingenic,jz4760b-cgu
28 - ingenic,jz4770-cgu 27 - ingenic,jz4770-cgu
29 - ingenic,jz4780-cgu 28 - ingenic,jz4780-cgu
30 - ingenic,x1000-cgu 29 - ingenic,x1000-cgu
31 - ingenic,x1830-cgu 30 - ingenic,x1830-cgu
32 required: 31 required:
33 - compatible 32 - compatible
34 33
35 properties: 34 properties:
36 $nodename: 35 $nodename:
37 pattern: "^clock-controller@[0-9a-f]+$" 36 pattern: "^clock-controller@[0-9a-f]+$"
38 37
39 "#address-cells": 38 "#address-cells":
40 const: 1 39 const: 1
41 40
42 "#size-cells": 41 "#size-cells":
43 const: 1 42 const: 1
44 43
45 "#clock-cells": 44 "#clock-cells":
46 const: 1 45 const: 1
47 46
48 ranges: true 47 ranges: true
49 48
50 compatible: 49 compatible:
51 items: 50 items:
52 - enum: 51 - enum:
53 - ingenic,jz4740-cgu 52 - ingenic,jz4740-cgu
54 - ingenic,jz4725b-cgu 53 - ingenic,jz4725b-cgu
55 - ingenic,jz4755-cgu <<
56 - ingenic,jz4760-cgu 54 - ingenic,jz4760-cgu
57 - ingenic,jz4760b-cgu 55 - ingenic,jz4760b-cgu
58 - ingenic,jz4770-cgu 56 - ingenic,jz4770-cgu
59 - ingenic,jz4780-cgu 57 - ingenic,jz4780-cgu
60 - ingenic,x1000-cgu 58 - ingenic,x1000-cgu
61 - ingenic,x1830-cgu 59 - ingenic,x1830-cgu
62 - const: simple-mfd 60 - const: simple-mfd
63 minItems: 1 61 minItems: 1
64 62
65 reg: 63 reg:
66 maxItems: 1 64 maxItems: 1
67 65
68 clocks: 66 clocks:
69 items: 67 items:
70 - description: External oscillator clock 68 - description: External oscillator clock
71 - description: Internal 32 kHz RTC clock 69 - description: Internal 32 kHz RTC clock
72 70
73 clock-names: 71 clock-names:
74 items: 72 items:
75 - const: ext 73 - const: ext
76 - enum: 74 - enum:
77 - rtc 75 - rtc
78 - osc32k # Different name, same cloc 76 - osc32k # Different name, same clock
79 77
80 assigned-clocks: 78 assigned-clocks:
81 minItems: 1 79 minItems: 1
82 maxItems: 64 80 maxItems: 64
83 81
84 assigned-clock-parents: 82 assigned-clock-parents:
85 minItems: 1 83 minItems: 1
86 maxItems: 64 84 maxItems: 64
87 85
88 assigned-clock-rates: 86 assigned-clock-rates:
89 minItems: 1 87 minItems: 1
90 maxItems: 64 88 maxItems: 64
91 89
92 required: 90 required:
93 - "#clock-cells" 91 - "#clock-cells"
94 - compatible 92 - compatible
95 - reg 93 - reg
96 - clocks 94 - clocks
97 - clock-names 95 - clock-names
98 96
99 patternProperties: 97 patternProperties:
100 "^usb-phy@[a-f0-9]+$": 98 "^usb-phy@[a-f0-9]+$":
101 $ref: /schemas/phy/ingenic,phy-usb.yaml# !! 99 allOf: [ $ref: "../phy/ingenic,phy-usb.yaml#" ]
102 "^mac-phy-ctrl@[a-f0-9]+$": 100 "^mac-phy-ctrl@[a-f0-9]+$":
103 $ref: /schemas/net/ingenic,mac.yaml# !! 101 allOf: [ $ref: "../net/ingenic,mac.yaml#" ]
104 102
105 additionalProperties: false 103 additionalProperties: false
106 104
107 examples: 105 examples:
108 - | 106 - |
109 #include <dt-bindings/clock/ingenic,jz4770 !! 107 #include <dt-bindings/clock/jz4770-cgu.h>
110 cgu: clock-controller@10000000 { 108 cgu: clock-controller@10000000 {
111 compatible = "ingenic,jz4770-cgu", "simp 109 compatible = "ingenic,jz4770-cgu", "simple-mfd";
112 reg = <0x10000000 0x100>; 110 reg = <0x10000000 0x100>;
113 #address-cells = <1>; 111 #address-cells = <1>;
114 #size-cells = <1>; 112 #size-cells = <1>;
115 ranges = <0x0 0x10000000 0x100>; 113 ranges = <0x0 0x10000000 0x100>;
116 114
117 clocks = <&ext>, <&osc32k>; 115 clocks = <&ext>, <&osc32k>;
118 clock-names = "ext", "osc32k"; 116 clock-names = "ext", "osc32k";
119 117
120 #clock-cells = <1>; 118 #clock-cells = <1>;
121 119
122 otg_phy: usb-phy@3c { 120 otg_phy: usb-phy@3c {
123 compatible = "ingenic,jz4770-phy"; 121 compatible = "ingenic,jz4770-phy";
124 reg = <0x3c 0x10>; 122 reg = <0x3c 0x10>;
125 123
126 clocks = <&cgu JZ4770_CLK_OTG_PHY>; 124 clocks = <&cgu JZ4770_CLK_OTG_PHY>;
127 125
128 vcc-supply = <&ldo5>; 126 vcc-supply = <&ldo5>;
129 127
130 #phy-cells = <0>; 128 #phy-cells = <0>;
131 }; 129 };
132 }; 130 };
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