xref: /linux/Documentation/devicetree/bindings/phy/hisilicon,inno-usb2-phy.yaml (revision 8582976acc8504cec53a7b6fed493435eba8437f) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/hisilicon,inno-usb2-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: HiSilicon INNO USB2 PHY
8
9maintainers:
10  - Pengcheng Li <lpc.li@hisilicon.com>
11
12description:
13  The INNO USB2 PHY device should be a child node of peripheral controller that
14  contains the PHY configuration register, and each device supports up to 2 PHY
15  ports which are represented as child nodes of INNO USB2 PHY device.
16
17properties:
18  compatible:
19    enum:
20      - hisilicon,hi3798cv200-usb2-phy
21      - hisilicon,hi3798mv100-usb2-phy
22      - hisilicon,inno-usb2-phy
23
24  reg:
25    maxItems: 1
26
27  clocks:
28    maxItems: 1
29
30  resets:
31    maxItems: 1
32
33  "#address-cells":
34    const: 1
35
36  "#size-cells":
37    const: 0
38
39patternProperties:
40  "^phy@[0-1]$":
41    description: PHY port subnode
42    type: object
43    additionalProperties: false
44
45    properties:
46      reg:
47        maximum: 1
48
49      "#phy-cells":
50        const: 0
51
52      resets:
53        maxItems: 1
54
55    required:
56      - reg
57      - "#phy-cells"
58      - resets
59
60required:
61  - compatible
62  - reg
63  - clocks
64  - resets
65  - "#address-cells"
66  - "#size-cells"
67
68additionalProperties: false
69
70examples:
71  - |
72    #include <dt-bindings/clock/histb-clock.h>
73
74    usb2-phy@120 {
75        compatible = "hisilicon,hi3798cv200-usb2-phy";
76        reg = <0x120 0x4>;
77        clocks = <&crg HISTB_USB2_PHY1_REF_CLK>;
78        resets = <&crg 0xbc 4>;
79        #address-cells = <1>;
80        #size-cells = <0>;
81
82        phy@0 {
83            reg = <0>;
84            #phy-cells = <0>;
85            resets = <&crg 0xbc 8>;
86        };
87
88        phy@1 {
89            reg = <1>;
90            #phy-cells = <0>;
91            resets = <&crg 0xbc 9>;
92        };
93    };
94