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
7 title: Socionext UniPhier regulator controller
8
9 description: |
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
14 maintainers:
15 - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
16
17 # USB3 Controller
18
19 properties:
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
44 allOf:
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
80 unevaluatedProperties: false
81
82 required:
83 - compatible
84 - reg
85 - clocks
86 - clock-names
87 - resets
88 - reset-names
89
90 examples:
91 - |
92 usb_vbus0: regulators@100 {
93 compatible = "socionext,uniphier-ld20-usb3-regulator";
94 reg = <0x100 0x10>;
95 clock-names = "link";
96 clocks = <&sys_clk 14>;
97 reset-names = "link";
98 resets = <&sys_rst 14>;
99 };
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