Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml

   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            ports {
  62                    #address-cells = <1>;
  63                    #size-cells = <0>;
  64                    port@0 {
  65                            reg = <0>;
  66                            eud_ep: endpoint {
  67                                    remote-endpoint = <&usb2_role_switch>;
  68                            };
  69                    };
  70                    port@1 {
  71                            reg = <1>;
  72                            eud_con: endpoint {
  73                                    remote-endpoint = <&con_eud>;
  74                            };
  75                    };
  76            };
  77     };