On Fri 21 Jan 07:53 CST 2022, Souradeep Chowdhury wrote: > Documentation for Embedded USB Debugger(EUD) device tree > bindings in yaml format. > Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> Regards, Bjorn > Signed-off-by: Souradeep Chowdhury <quic_schowdhu@xxxxxxxxxxx> > --- > .../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 are 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 >
