summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/phy/allwinner,sun9i-a80-usb-phy.yaml
blob: bd9445f6f130f422c2581521ce2af0d29618fd7a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/allwinner,sun9i-a80-usb-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner A80 USB PHY

maintainers:
  - Chen-Yu Tsai <wens@csie.org>
  - Maxime Ripard <mripard@kernel.org>

properties:
  "#phy-cells":
    const: 0

  compatible:
    const: allwinner,sun9i-a80-usb-phy

  reg:
    maxItems: 1

  clocks:
    anyOf:
      - maxItems: 1
        description: Main PHY Clock

      - items:
          - description: Main PHY clock
          - description: HSIC 12MHz clock
          - description: HSIC 480MHz clock

  clock-names:
    oneOf:
      - const: phy

      - items:
          - const: phy
          - const: hsic_12M
          - const: hsic_480M

  resets:
    minItems: 1
    items:
      - description: Normal USB PHY reset
      - description: HSIC Reset

  reset-names:
    minItems: 1
    items:
      - const: phy
      - const: hsic

  phy_type:
    const: hsic
    description:
      When absent, the PHY type will be assumed to be normal USB.

  phy-supply:
    description:
      Regulator that powers VBUS

required:
  - "#phy-cells"
  - compatible
  - reg
  - clocks
  - clock-names
  - resets
  - reset-names

additionalProperties: false

if:
  properties:
    phy_type:
      const: hsic

  required:
    - phy_type

then:
  properties:
    clocks:
      maxItems: 3

    clock-names:
      maxItems: 3

    resets:
      maxItems: 2

    reset-names:
      maxItems: 2

examples:
  - |
    #include <dt-bindings/clock/sun9i-a80-usb.h>
    #include <dt-bindings/reset/sun9i-a80-usb.h>

    usbphy1: phy@a00800 {
        compatible = "allwinner,sun9i-a80-usb-phy";
        reg = <0x00a00800 0x4>;
        clocks = <&usb_clocks CLK_USB0_PHY>;
        clock-names = "phy";
        resets = <&usb_clocks RST_USB0_PHY>;
        reset-names = "phy";
        phy-supply = <&reg_usb1_vbus>;
        #phy-cells = <0>;
    };

  - |
    #include <dt-bindings/clock/sun9i-a80-usb.h>
    #include <dt-bindings/reset/sun9i-a80-usb.h>

    usbphy3: phy@a02800 {
        compatible = "allwinner,sun9i-a80-usb-phy";
        reg = <0x00a02800 0x4>;
        clocks = <&usb_clocks CLK_USB2_PHY>,
                 <&usb_clocks CLK_USB_HSIC>,
                 <&usb_clocks CLK_USB2_HSIC>;
        clock-names = "phy",
                      "hsic_12M",
                      "hsic_480M";
        resets = <&usb_clocks RST_USB2_PHY>,
                 <&usb_clocks RST_USB2_HSIC>;
        reset-names = "phy",
                      "hsic";
        phy_type = "hsic";
        phy-supply = <&reg_usb3_vbus>;
        #phy-cells = <0>;
    };