1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/usb/ti,keystone-dwc3.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: TI Keystone Soc USB Controller
8
9maintainers:
10  - Roger Quadros <rogerq@ti.com>
11
12properties:
13  compatible:
14    oneOf:
15      - const: "ti,keystone-dwc3"
16      - const: "ti,am654-dwc3"
17
18  reg:
19    maxItems: 1
20    description: Address and length of the register set for the USB subsystem on
21      the SOC.
22
23  interrupts:
24    maxItems: 1
25    description: The irq number of this device that is used to interrupt the MPU.
26
27
28  clocks:
29    description: Clock ID for USB functional clock.
30
31  power-domains:
32    description: Should contain a phandle to a PM domain provider node
33      and an args specifier containing the USB device id
34      value. This property is as per the binding,
35      Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
36
37  phys:
38    description:
39      PHY specifier for the USB3.0 PHY. Some SoCs need the USB3.0 PHY
40      to be turned on before the controller.
41      Documentation/devicetree/bindings/phy/phy-bindings.txt
42
43  phy-names:
44    items:
45      - const: "usb3-phy"
46
47  dwc3:
48    description: This is the node representing the DWC3 controller instance
49      Documentation/devicetree/bindings/usb/dwc3.txt
50
51required:
52  - compatible
53  - reg
54  - interrupts
55  - clocks
56
57examples:
58  - |
59    #include <dt-bindings/interrupt-controller/arm-gic.h>
60
61    usb: usb@2680000 {
62      compatible = "ti,keystone-dwc3";
63      #address-cells = <1>;
64      #size-cells = <1>;
65      reg = <0x2680000 0x10000>;
66      clocks = <&clkusb>;
67      clock-names = "usb";
68      interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
69      ranges;
70
71      dwc3@2690000 {
72        compatible = "synopsys,dwc3";
73        reg = <0x2690000 0x70000>;
74        interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
75        usb-phy = <&usb_phy>, <&usb_phy>;
76      };
77    };
78