xref: /linux/Documentation/devicetree/bindings/regulator/socionext,uniphier-regulator.yaml (revision dec1c62e91ba268ab2a6e339d4d7a59287d5eba1) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/regulator/socionext,uniphier-regulator.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Socionext UniPhier regulator controller
8
9description: |
10  This regulator controls VBUS and belongs to USB3 glue layer. Before using
11  the regulator, it is necessary to control the clocks and resets to enable
12  this layer. These clocks and resets should be described in each property.
13
14maintainers:
15  - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
16
17# USB3 Controller
18
19properties:
20  compatible:
21    enum:
22      - socionext,uniphier-pro4-usb3-regulator
23      - socionext,uniphier-pro5-usb3-regulator
24      - socionext,uniphier-pxs2-usb3-regulator
25      - socionext,uniphier-ld20-usb3-regulator
26      - socionext,uniphier-pxs3-usb3-regulator
27      - socionext,uniphier-nx1-usb3-regulator
28
29  reg:
30    maxItems: 1
31
32  clocks:
33    minItems: 1
34    maxItems: 2
35
36  clock-names: true
37
38  resets:
39    minItems: 1
40    maxItems: 2
41
42  reset-names: true
43
44allOf:
45  - $ref: "regulator.yaml#"
46  - if:
47      properties:
48        compatible:
49          contains:
50            enum:
51              - socionext,uniphier-pro4-usb3-regulator
52              - socionext,uniphier-pro5-usb3-regulator
53    then:
54      properties:
55        clocks:
56          minItems: 2
57          maxItems: 2
58        clock-names:
59          items:
60            - const: gio
61            - const: link
62        resets:
63          minItems: 2
64          maxItems: 2
65        reset-names:
66          items:
67            - const: gio
68            - const: link
69    else:
70      properties:
71        clocks:
72          maxItems: 1
73        clock-names:
74          const: link
75        resets:
76          maxItems: 1
77        reset-names:
78          const: link
79
80unevaluatedProperties: false
81
82required:
83  - compatible
84  - reg
85  - clocks
86  - clock-names
87  - resets
88  - reset-names
89
90examples:
91  - |
92    usb-glue@65b00000 {
93        compatible = "simple-mfd";
94        #address-cells = <1>;
95        #size-cells = <1>;
96        ranges = <0 0x65b00000 0x400>;
97
98        usb_vbus0: regulators@100 {
99            compatible = "socionext,uniphier-ld20-usb3-regulator";
100            reg = <0x100 0x10>;
101            clock-names = "link";
102            clocks = <&sys_clk 14>;
103            reset-names = "link";
104            resets = <&sys_rst 14>;
105        };
106    };
107