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:
39 minItems: 2
40 maxItems: 3
41
42 resets:
43 maxItems: 2
44
45 reset-names:
46 maxItems: 2
47
48 vbus-supply:
49 description: A phandle to the regulator for USB VBUS, only for USB host
50
51 allOf:
52 - if:
53 properties:
54 compatible:
55 contains:
56 enum:
57 - socionext,uniphier-pro4-usb3-ssphy
58 - socionext,uniphier-pro5-usb3-ssphy
59 then:
60 properties:
61 clocks:
62 minItems: 2
63 maxItems: 2
64 clock-names:
65 items:
66 - const: gio
67 - const: link
68 resets:
69 minItems: 2
70 maxItems: 2
71 reset-names:
72 items:
73 - const: gio
74 - const: link
75 - if:
76 properties:
77 compatible:
78 contains:
79 enum:
80 - socionext,uniphier-pxs2-usb3-ssphy
81 - socionext,uniphier-ld20-usb3-ssphy
82 then:
83 properties:
84 clocks:
85 minItems: 2
86 maxItems: 2
87 clock-names:
88 items:
89 - const: link
90 - const: phy
91 resets:
92 minItems: 2
93 maxItems: 2
94 reset-names:
95 items:
96 - const: link
97 - const: phy
98 - if:
99 properties:
100 compatible:
101 contains:
102 enum:
103 - socionext,uniphier-pxs3-usb3-ssphy
104 - socionext,uniphier-nx1-usb3-ssphy
105 then:
106 properties:
107 clocks:
108 minItems: 2
109 maxItems: 3
110 clock-names:
111 minItems: 2
112 items:
113 - const: link
114 - const: phy
115 - const: phy-ext
116 resets:
117 minItems: 2
118 maxItems: 2
119 reset-names:
120 items:
121 - const: link
122 - const: phy
123
124 required:
125 - compatible
126 - reg
127 - "#phy-cells"
128 - clocks
129 - clock-names
130 - resets
131 - reset-names
132
133 additionalProperties: false
134
135 examples:
136 - |
137 usb_ssphy0: phy@300 {
138 compatible = "socionext,uniphier-ld20-usb3-ssphy";
139 reg = <0x300 0x10>;
140 #phy-cells = <0>;
141 clock-names = "link", "phy";
142 clocks = <&sys_clk 14>, <&sys_clk 16>;
143 reset-names = "link", "phy";
144 resets = <&sys_rst 14>, <&sys_rst 16>;
145 vbus-supply = <&usb_vbus0>;
146 };
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