[V4,1/6] dt-bindings: Add the yaml bindings for EUD

Documentation for Embedded USB Debugger(EUD) device tree
bindings in yaml format.

Signed-off-by: Souradeep Chowdhury <quic_schowdhu@quicinc.com>
---
 .../devicetree/bindings/soc/qcom/qcom,eud.yaml     | 77 ++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,eud.yaml

--
2.7.4

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@linaro.org>

Regards,
Bjorn

> Signed-off-by: Souradeep Chowdhury <quic_schowdhu@quicinc.com>
> ---
>  .../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@quicinc.com>
> +
> +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
>