xref: /freebsd/sys/contrib/device-tree/Bindings/phy/phy-rockchip-inno-usb2.yaml (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/phy-rockchip-inno-usb2.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Rockchip USB2.0 phy with inno IP block
8
9maintainers:
10  - Heiko Stuebner <heiko@sntech.de>
11
12properties:
13  compatible:
14    enum:
15      - rockchip,px30-usb2phy
16      - rockchip,rk3128-usb2phy
17      - rockchip,rk3228-usb2phy
18      - rockchip,rk3308-usb2phy
19      - rockchip,rk3328-usb2phy
20      - rockchip,rk3366-usb2phy
21      - rockchip,rk3399-usb2phy
22      - rockchip,rk3568-usb2phy
23      - rockchip,rv1108-usb2phy
24
25  reg:
26    maxItems: 1
27
28  clock-output-names:
29    description:
30      The usb 480m output clock name.
31
32  "#clock-cells":
33    const: 0
34
35  clocks:
36    maxItems: 1
37
38  clock-names:
39    const: phyclk
40
41  assigned-clocks:
42    description:
43      Phandle of the usb 480m clock.
44
45  assigned-clock-parents:
46    description:
47      Parent of the usb 480m clock.
48      Select between usb-phy output 480m and xin24m.
49      Refer to clk/clock-bindings.txt for generic clock consumer properties.
50
51  extcon:
52    description:
53      Phandle to the extcon device providing the cable state for the otg phy.
54
55  interrupts:
56    description: Muxed interrupt for both ports
57    maxItems: 1
58
59  rockchip,usbgrf:
60    $ref: /schemas/types.yaml#/definitions/phandle
61    description:
62      Phandle to the syscon managing the 'usb general register files'.
63      When set the driver will request its phandle as one companion-grf
64      for some special SoCs (e.g rv1108).
65
66  host-port:
67    type: object
68    additionalProperties: false
69
70    properties:
71      "#phy-cells":
72        const: 0
73
74      interrupts:
75        description: host linestate interrupt
76        maxItems: 1
77
78      interrupt-names:
79        const: linestate
80
81      phy-supply:
82        description:
83          Phandle to a regulator that provides power to VBUS.
84          See ./phy-bindings.txt for details.
85
86    required:
87      - "#phy-cells"
88
89  otg-port:
90    type: object
91    additionalProperties: false
92
93    properties:
94      "#phy-cells":
95        const: 0
96
97      interrupts:
98        minItems: 1
99        maxItems: 3
100
101      interrupt-names:
102        oneOf:
103          - const: linestate
104          - const: otg-mux
105          - items:
106              - const: otg-bvalid
107              - const: otg-id
108              - const: linestate
109
110      phy-supply:
111        description:
112          Phandle to a regulator that provides power to VBUS.
113          See ./phy-bindings.txt for details.
114
115    required:
116      - "#phy-cells"
117
118required:
119  - compatible
120  - reg
121  - clock-output-names
122  - "#clock-cells"
123  - host-port
124  - otg-port
125
126allOf:
127  - if:
128      properties:
129        compatible:
130          contains:
131            const: rockchip,rk3568-usb2phy
132
133    then:
134      properties:
135        host-port:
136          properties:
137            interrupts: false
138
139        otg-port:
140          properties:
141            interrupts: false
142
143      required:
144        - interrupts
145
146    else:
147      properties:
148        interrupts: false
149
150        host-port:
151          required:
152            - interrupts
153            - interrupt-names
154
155        otg-port:
156          required:
157            - interrupts
158            - interrupt-names
159
160additionalProperties: false
161
162examples:
163  - |
164    #include <dt-bindings/clock/rk3399-cru.h>
165    #include <dt-bindings/interrupt-controller/arm-gic.h>
166    #include <dt-bindings/interrupt-controller/irq.h>
167    u2phy0: usb2phy@e450 {
168      compatible = "rockchip,rk3399-usb2phy";
169      reg = <0xe450 0x10>;
170      clocks = <&cru SCLK_USB2PHY0_REF>;
171      clock-names = "phyclk";
172      clock-output-names = "clk_usbphy0_480m";
173      #clock-cells = <0>;
174
175      u2phy0_host: host-port {
176        interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH 0>;
177        interrupt-names = "linestate";
178        #phy-cells = <0>;
179      };
180
181      u2phy0_otg: otg-port {
182        interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH 0>,
183                     <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH 0>,
184                     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH 0>;
185        interrupt-names = "otg-bvalid", "otg-id", "linestate";
186        #phy-cells = <0>;
187      };
188    };
189