xref: /linux/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3ss-phy.yaml (revision e7d759f31ca295d589f7420719c311870bb3166f) 
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: 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
48allOf:
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
121required:
122  - compatible
123  - reg
124  - "#phy-cells"
125  - clocks
126  - clock-names
127  - resets
128  - reset-names
129
130additionalProperties: false
131
132examples:
133  - |
134    usb_ssphy0: phy@300 {
135        compatible = "socionext,uniphier-ld20-usb3-ssphy";
136        reg = <0x300 0x10>;
137        #phy-cells = <0>;
138        clock-names = "link", "phy";
139        clocks = <&sys_clk 14>, <&sys_clk 16>;
140        reset-names = "link", "phy";
141        resets = <&sys_rst 14>, <&sys_rst 16>;
142        vbus-supply = <&usb_vbus0>;
143    };
144