1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/soc/qcom/qcom,eud.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Qualcomm Embedded USB Debugger
8
9 maintainers:
10 - Souradeep Chowdhury <quic_schowdhu@quicinc.com>
11
12 description:
13 This binding is used to describe the Qualcomm Embedded USB Debugger, which is
14 mini USB-hub implemented on chip to support USB-based debug capabilities.
15
16 properties:
17 compatible:
18 items:
19 - enum:
20 - qcom,sc7280-eud
21 - const: qcom,eud
22
23 reg:
24 items:
25 - description: EUD Base Register Region
26 - description: EUD Mode Manager Register
27
28 interrupts:
29 description: EUD interrupt
30 maxItems: 1
31
32 ports:
33 $ref: /schemas/graph.yaml#/properties/ports
34 description:
35 These ports is to be attached to the endpoint of the DWC3 controller node
36 and type C connector node. The controller has the "usb-role-switch"
37 property.
38
39 properties:
40 port@0:
41 $ref: /schemas/graph.yaml#/properties/port
42 description: This port is to be attached to the DWC3 controller.
43
44 port@1:
45 $ref: /schemas/graph.yaml#/properties/port
46 description: This port is to be attached to the type C connector.
47
48 required:
49 - compatible
50 - reg
51 - ports
52
53 additionalProperties: false
54
55 examples:
56 - |
57 eud@88e0000 {
58 compatible = "qcom,sc7280-eud", "qcom,eud";
59 reg = <0x88e0000 0x2000>,
60 <0x88e2000 0x1000>;
61
62 ports {
63 #address-cells = <1>;
64 #size-cells = <0>;
65 port@0 {
66 reg = <0>;
67 eud_ep: endpoint {
68 remote-endpoint = <&usb2_role_switch>;
69 };
70 };
71
72 port@1 {
73 reg = <1>;
74 eud_con: endpoint {
75 remote-endpoint = <&con_eud>;
76 };
77 };
78 };
79 };
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