1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/phy/socionext,uniphier-usb3ss-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Socionext UniPhier USB3 Super-Speed (SS) PHY
8
9 description: |
10 This describes the devicetree bindings for PHY interfaces built into
11 USB3 controller implemented on Socionext UniPhier SoCs.
12 Although the controller includes High-Speed PHY and Super-Speed PHY,
13 this describes about Super-Speed PHY.
14
15 maintainers:
16 - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
17
18 properties:
19 compatible:
20 enum:
21 - socionext,uniphier-pro4-usb3-ssphy
22 - socionext,uniphier-pro5-usb3-ssphy
23 - socionext,uniphier-pxs2-usb3-ssphy
24 - socionext,uniphier-ld20-usb3-ssphy
25 - socionext,uniphier-pxs3-usb3-ssphy
26 - socionext,uniphier-nx1-usb3-ssphy
27
28 reg:
29 maxItems: 1
30
31 "#phy-cells":
32 const: 0
33
34 clocks:
35 minItems: 2
36 maxItems: 3
37
38 clock-names: true
39
40 resets:
41 maxItems: 2
42
43 reset-names: true
44
45 vbus-supply:
46 description: A phandle to the regulator for USB VBUS, only for USB host
47
48 allOf:
49 - if:
50 properties:
51 compatible:
52 contains:
53 enum:
54 - socionext,uniphier-pro4-usb3-ssphy
55 - socionext,uniphier-pro5-usb3-ssphy
56 then:
57 properties:
58 clocks:
59 minItems: 2
60 maxItems: 2
61 clock-names:
62 items:
63 - const: gio
64 - const: link
65 resets:
66 minItems: 2
67 maxItems: 2
68 reset-names:
69 items:
70 - const: gio
71 - const: link
72 - if:
73 properties:
74 compatible:
75 contains:
76 enum:
77 - socionext,uniphier-pxs2-usb3-ssphy
78 - socionext,uniphier-ld20-usb3-ssphy
79 then:
80 properties:
81 clocks:
82 minItems: 2
83 maxItems: 2
84 clock-names:
85 items:
86 - const: link
87 - const: phy
88 resets:
89 minItems: 2
90 maxItems: 2
91 reset-names:
92 items:
93 - const: link
94 - const: phy
95 - if:
96 properties:
97 compatible:
98 contains:
99 enum:
100 - socionext,uniphier-pxs3-usb3-ssphy
101 - socionext,uniphier-nx1-usb3-ssphy
102 then:
103 properties:
104 clocks:
105 minItems: 2
106 maxItems: 3
107 clock-names:
108 minItems: 2
109 items:
110 - const: link
111 - const: phy
112 - const: phy-ext
113 resets:
114 minItems: 2
115 maxItems: 2
116 reset-names:
117 items:
118 - const: link
119 - const: phy
120
121 required:
122 - compatible
123 - reg
124 - "#phy-cells"
125 - clocks
126 - clock-names
127 - resets
128 - reset-names
129
130 additionalProperties: false
131
132 examples:
133 - |
134 usb-glue@65b00000 {
135 compatible = "socionext,uniphier-ld20-dwc3-glue",
136 "simple-mfd";
137 #address-cells = <1>;
138 #size-cells = <1>;
139 ranges = <0 0x65b00000 0x400>;
140
141 usb_ssphy0: ss-phy@300 {
142 compatible = "socionext,uniphier-ld20-usb3-ssphy";
143 reg = <0x300 0x10>;
144 #phy-cells = <0>;
145 clock-names = "link", "phy";
146 clocks = <&sys_clk 14>, <&sys_clk 16>;
147 reset-names = "link", "phy";
148 resets = <&sys_rst 14>, <&sys_rst 16>;
149 vbus-supply = <&usb_vbus0>;
150 };
151 };
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