xref: /linux/Documentation/devicetree/bindings/usb/aspeed,dwc3.yaml (revision 3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/usb/aspeed,dwc3.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Aspeed SuperSpeed DWC3 USB SoC controller
8
9maintainers:
10  - Ryan Chen <ryan_chen@aspeedtech.com>
11
12description:
13  The common content of the node is defined in snps,dwc3.yaml.
14
15select:
16  properties:
17    compatible:
18      contains:
19        const: aspeed,ast2700-xhci
20  required:
21    - compatible
22
23properties:
24  compatible:
25    items:
26      - const: aspeed,ast2700-xhci
27      - const: snps,dwc3
28
29  interrupts:
30    maxItems: 1
31
32  clocks:
33    items:
34      - description: Controller bus early clock
35      - description: PHY reference clock
36      - description: Controller suspend clock
37
38  clock-names:
39    items:
40      - const: bus_early
41      - const: ref
42      - const: suspend
43
44  resets:
45    maxItems: 1
46
47  phys:
48    maxItems: 1
49
50  phy-names:
51    const: usb3-phy
52
53required:
54  - compatible
55  - reg
56  - interrupts
57  - clocks
58  - clock-names
59  - resets
60  - phys
61  - phy-names
62
63allOf:
64  - $ref: snps,dwc3.yaml#
65
66unevaluatedProperties: false
67
68examples:
69  - |
70    #include <dt-bindings/clock/aspeed,ast2700-scu.h>
71    #include <dt-bindings/reset/aspeed,ast2700-scu.h>
72    #include <dt-bindings/interrupt-controller/arm-gic.h>
73
74    bus {
75        #address-cells = <2>;
76        #size-cells = <2>;
77
78        usb@12030000 {
79            compatible = "aspeed,ast2700-xhci", "snps,dwc3";
80            reg = <0x0 0x12030000 0x0 0x10000>;
81            interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
82            clocks = <&syscon0 SCU0_CLK_GATE_PORTAUSB2CLK>,
83                     <&syscon0 SCU0_CLK_U2PHY_REFCLK>,
84                     <&syscon0 SCU0_CLK_U2PHY_CLK12M>;
85            clock-names = "bus_early", "ref", "suspend";
86            resets = <&syscon0 SCU0_RESET_PORTA_XHCI>;
87            pinctrl-names = "default";
88            pinctrl-0 = <&pinctrl_usb3axh_default &pinctrl_usb2axh_default>;
89            phys = <&uphy3a>;
90            phy-names = "usb3-phy";
91            dr_mode = "host";
92        };
93    };
94