xref: /linux/Documentation/devicetree/bindings/phy/marvell,armada-cp110-utmi-phy.yaml (revision 9ff17e6bdaa50892dd9bdb1b116cb71b73dd711a) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2
3%YAML 1.2
4---
5$id: http://devicetree.org/schemas/phy/marvell,armada-cp110-utmi-phy.yaml#
6$schema: http://devicetree.org/meta-schemas/core.yaml#
7
8title: Marvell Armada CP110/CP115 UTMI PHY
9
10maintainers:
11  - Konstantin Porotchkin <kostap@marvell.com>
12
13description:
14  On Armada 7k/8k and CN913x, there are two host and one device USB controllers.
15  Each of two exiting UTMI PHYs could be connected to either USB host or USB device
16  controller.
17  The USB device controller can only be connected to a single UTMI PHY port
18                      0.H----- USB HOST0
19  UTMI PHY0  --------/
20                      0.D-----0
21                               \------ USB DEVICE
22                      1.D-----1
23  UTMI PHY1  --------\
24                      1.H----- USB HOST1
25
26properties:
27  compatible:
28    const: marvell,cp110-utmi-phy
29
30  reg:
31    maxItems: 1
32
33  "#address-cells":
34    const: 1
35
36  "#size-cells":
37    const: 0
38
39  marvell,system-controller:
40    description:
41      Phandle to the system controller node
42    $ref: /schemas/types.yaml#/definitions/phandle
43
44# Required child nodes:
45
46patternProperties:
47  "^usb-phy@[0|1]$":
48    type: object
49    description:
50      Each UTMI PHY port must be represented as a sub-node.
51
52    properties:
53      reg:
54        description: phy port index.
55        maxItems: 1
56
57      "#phy-cells":
58        const: 0
59
60    required:
61      - reg
62      - "#phy-cells"
63
64    additionalProperties: false
65
66required:
67  - compatible
68  - reg
69  - "#address-cells"
70  - "#size-cells"
71  - marvell,system-controller
72
73additionalProperties: false
74
75examples:
76  - |
77    cp0_utmi: utmi@580000 {
78      compatible = "marvell,cp110-utmi-phy";
79      reg = <0x580000 0x2000>;
80      marvell,system-controller = <&cp0_syscon0>;
81      #address-cells = <1>;
82      #size-cells = <0>;
83
84      cp0_utmi0: usb-phy@0 {
85        reg = <0>;
86        #phy-cells = <0>;
87      };
88
89      cp0_utmi1: usb-phy@1 {
90        reg = <1>;
91        #phy-cells = <0>;
92      };
93    };
94
95    cp0_usb3_0 {
96      usb-phy = <&cp0_usb3_0_phy0>;
97      phys = <&cp0_utmi0>;
98      phy-names = "utmi";
99      /* UTMI0 is connected to USB host controller (default mode) */
100      dr_mode = "host";
101    };
102
103    cp0_usb3_1 {
104      usb-phy = <&cp0_usb3_0_phy1>;
105      phys = <&cp0_utmi1>;
106      phy-names = "utmi";
107      /* UTMI1 is connected to USB device controller */
108      dr_mode = "peripheral";
109    };
110