xref: /linux/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml (revision 6e9a12f85a7567bb9a41d5230468886bd6a27b20) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/renesas,usb2-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas R-Car generation 3 USB 2.0 PHY
8
9maintainers:
10  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
11
12properties:
13  compatible:
14    oneOf:
15      - items:
16          - enum:
17              - renesas,usb2-phy-r8a77470  # RZ/G1C
18              - renesas,usb2-phy-r9a08g045 # RZ/G3S
19              - renesas,usb2-phy-r9a09g057 # RZ/V2H(P)
20
21      - items:
22          - enum:
23              - renesas,usb2-phy-r7s9210  # RZ/A2
24              - renesas,usb2-phy-r8a774a1 # RZ/G2M
25              - renesas,usb2-phy-r8a774b1 # RZ/G2N
26              - renesas,usb2-phy-r8a774c0 # RZ/G2E
27              - renesas,usb2-phy-r8a774e1 # RZ/G2H
28              - renesas,usb2-phy-r8a7795  # R-Car H3
29              - renesas,usb2-phy-r8a7796  # R-Car M3-W
30              - renesas,usb2-phy-r8a77961 # R-Car M3-W+
31              - renesas,usb2-phy-r8a77965 # R-Car M3-N
32              - renesas,usb2-phy-r8a77990 # R-Car E3
33              - renesas,usb2-phy-r8a77995 # R-Car D3
34          - const: renesas,rcar-gen3-usb2-phy
35
36      - items:
37          - enum:
38              - renesas,usb2-phy-r9a07g043 # RZ/G2UL
39              - renesas,usb2-phy-r9a07g044 # RZ/G2{L,LC}
40              - renesas,usb2-phy-r9a07g054 # RZ/V2L
41          - const: renesas,rzg2l-usb2-phy
42
43      - items:
44          - const: renesas,usb2-phy-r9a09g056 # RZ/V2N
45          - const: renesas,usb2-phy-r9a09g057
46
47  reg:
48    maxItems: 1
49
50  clocks:
51    minItems: 1
52    maxItems: 2
53
54  clock-names:
55    minItems: 1
56    items:
57      - const: fck
58      - const: usb_x1
59
60  '#phy-cells':
61    enum: [0, 1]  # and 0 is deprecated.
62    description: |
63      The phandle's argument in the PHY specifier is the INT_STATUS bit of
64      controller.
65      - 1 = USBH_INTA (OHCI)
66      - 2 = USBH_INTB (EHCI)
67      - 3 = UCOM_INT (OTG and BC)
68
69  interrupts:
70    maxItems: 1
71
72  power-domains:
73    maxItems: 1
74
75  resets:
76    minItems: 1
77    items:
78      - description: reset of USB 2.0 host side
79      - description: reset of USB 2.0 peripheral side
80
81  vbus-supply:
82    description: |
83      Phandle to a regulator that provides power to the VBUS. This regulator
84      will be managed during the PHY power on/off sequence.
85
86  renesas,no-otg-pins:
87    $ref: /schemas/types.yaml#/definitions/flag
88    description: |
89      specify when a board does not provide proper otg pins.
90
91  dr_mode: true
92
93if:
94  properties:
95    compatible:
96      contains:
97        const: renesas,usb2-phy-r7s9210
98then:
99  required:
100    - clock-names
101
102required:
103  - compatible
104  - reg
105  - clocks
106  - '#phy-cells'
107
108allOf:
109  - if:
110      properties:
111        compatible:
112          contains:
113            enum:
114              - renesas,usb2-phy-r9a09g057
115              - renesas,rzg2l-usb2-phy
116    then:
117      properties:
118        clocks:
119          minItems: 2
120      required:
121        - resets
122
123additionalProperties: false
124
125examples:
126  - |
127    #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
128    #include <dt-bindings/interrupt-controller/arm-gic.h>
129    #include <dt-bindings/power/r8a7795-sysc.h>
130
131    usb-phy@ee080200 {
132        compatible = "renesas,usb2-phy-r8a7795", "renesas,rcar-gen3-usb2-phy";
133        reg = <0xee080200 0x700>;
134        interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
135        clocks = <&cpg CPG_MOD 703>;
136        #phy-cells = <1>;
137    };
138
139    usb-phy@ee0a0200 {
140        compatible = "renesas,usb2-phy-r8a7795", "renesas,rcar-gen3-usb2-phy";
141        reg = <0xee0a0200 0x700>;
142        clocks = <&cpg CPG_MOD 702>;
143        #phy-cells = <1>;
144    };
145