Documentation for Embedded USB Debugger(EUD) device tree bindings in yaml format. Signed-off-by: Souradeep Chowdhury <quic_schowdhu@xxxxxxxxxxx> Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- .../devicetree/bindings/soc/qcom/qcom,eud.yaml | 77 ++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml new file mode 100644 index 0000000..c98aab2 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/qcom/qcom,eud.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Qualcomm Embedded USB Debugger + +maintainers: + - Souradeep Chowdhury <quic_schowdhu@xxxxxxxxxxx> + +description: + This binding is used to describe the Qualcomm Embedded USB Debugger, which is + mini USB-hub implemented on chip to support USB-based debug capabilities. + +properties: + compatible: + items: + - enum: + - qcom,sc7280-eud + - const: qcom,eud + + reg: + items: + - description: EUD Base Register Region + - description: EUD Mode Manager Register + + interrupts: + description: EUD interrupt + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + description: + These ports is to be attached to the endpoint of the DWC3 controller node + and type C connector node. The controller has the "usb-role-switch" + property. + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: This port is to be attached to the DWC3 controller. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: This port is to be attached to the type C connector. + +required: + - compatible + - reg + - ports + +additionalProperties: false + +examples: + - | + eud@88e0000 { + compatible = "qcom,sc7280-eud","qcom,eud"; + reg = <0x88e0000 0x2000>, + <0x88e2000 0x1000>; + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + eud_ep: endpoint { + remote-endpoint = <&usb2_role_switch>; + }; + }; + port@1 { + reg = <1>; + eud_con: endpoint { + remote-endpoint = <&con_eud>; + }; + }; + }; + }; -- 2.7.4
