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    items:
15      - enum:
16          - ti,keystone-dwc3
17          - ti,am654-dwc3
18
19  reg:
20    maxItems: 1
21
22  '#address-cells':
23    const: 1
24
25  '#size-cells':
26    const: 1
27
28  ranges: true
29
30  interrupts:
31    maxItems: 1
32
33  clocks:
34    minItems: 1
35    maxItems: 2
36
37  assigned-clocks:
38    minItems: 1
39    maxItems: 2
40
41  assigned-clock-parents:
42    minItems: 1
43    maxItems: 2
44
45  power-domains:
46    maxItems: 1
47    description: Should contain a phandle to a PM domain provider node
48      and an args specifier containing the USB device id
49      value. This property is as per the binding,
50      Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml
51
52  phys:
53    maxItems: 1
54    description:
55      PHY specifier for the USB3.0 PHY. Some SoCs need the USB3.0 PHY
56      to be turned on before the controller.
57      Documentation/devicetree/bindings/phy/phy-bindings.txt
58
59  phy-names:
60    items:
61      - const: usb3-phy
62
63  dma-coherent: true
64
65  dma-ranges: true
66
67patternProperties:
68  "usb@[a-f0-9]+$":
69    $ref: snps,dwc3.yaml#
70
71required:
72  - compatible
73  - reg
74  - "#address-cells"
75  - "#size-cells"
76  - ranges
77  - interrupts
78
79additionalProperties: false
80
81examples:
82  - |
83    #include <dt-bindings/interrupt-controller/arm-gic.h>
84
85    dwc3@2680000 {
86      compatible = "ti,keystone-dwc3";
87      #address-cells = <1>;
88      #size-cells = <1>;
89      reg = <0x2680000 0x10000>;
90      clocks = <&clkusb>;
91      interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
92      ranges;
93
94      usb@2690000 {
95        compatible = "synopsys,dwc3";
96        reg = <0x2690000 0x70000>;
97        interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
98        usb-phy = <&usb_phy>, <&usb_phy>;
99      };
100    };
101