xref: /linux/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3ss-phy.yaml (revision c7546e2c3cb739a3c1a2f5acaf9bb629d401afe5) 
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
7title: Socionext UniPhier USB3 Super-Speed (SS) PHY
8
9description: |
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
15maintainers:
16  - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
17
18properties:
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
51allOf:
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
124required:
125  - compatible
126  - reg
127  - "#phy-cells"
128  - clocks
129  - clock-names
130  - resets
131  - reset-names
132
133additionalProperties: false
134
135examples:
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    };
147