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 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: TI Keystone Soc USB Controller
8
9 maintainers:
10 - Roger Quadros <rogerq@kernel.org>
11
12 properties:
13 compatible:
14 items:
15 - enum:
16 - ti,keystone-dwc3
17 - ti,am654-dwc3
18
19 reg:
20 maxItems: 1
21
22 '#address-cells':
23 const: 1
24
25 '#size-cells':
26 const: 1
27
28 ranges: true
29
30 interrupts:
31 maxItems: 1
32
33 clocks:
34 minItems: 1
35 maxItems: 2
36
37 power-domains:
38 maxItems: 1
39 description: Should contain a phandle to a PM domain provider node
40 and an args specifier containing the USB device id
41 value. This property is as per the binding,
42 Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml
43
44 phys:
45 maxItems: 1
46 description:
47 PHY specifier for the USB3.0 PHY. Some SoCs need the USB3.0 PHY
48 to be turned on before the controller.
49 Documentation/devicetree/bindings/phy/phy-bindings.txt
50
51 phy-names:
52 items:
53 - const: usb3-phy
54
55 dma-coherent: true
56
57 dma-ranges: true
58
59 patternProperties:
60 "usb@[a-f0-9]+$":
61 $ref: snps,dwc3.yaml#
62
63 required:
64 - compatible
65 - reg
66 - "#address-cells"
67 - "#size-cells"
68 - ranges
69 - interrupts
70
71 additionalProperties: false
72
73 examples:
74 - |
75 #include <dt-bindings/interrupt-controller/arm-gic.h>
76
77 dwc3@2680000 {
78 compatible = "ti,keystone-dwc3";
79 #address-cells = <1>;
80 #size-cells = <1>;
81 reg = <0x2680000 0x10000>;
82 clocks = <&clkusb>;
83 interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
84 ranges;
85
86 usb@2690000 {
87 compatible = "snps,dwc3";
88 reg = <0x2690000 0x70000>;
89 interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
90 usb-phy = <&usb_phy>, <&usb_phy>;
91 };
92 };
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