dt-bindings: usb: convert ti,hd3ss3220 bindings to json-schema

TI HD3SS3220 TypeC DRP Port Controller.

Required properties:

 - compatible: Must be "ti,hd3ss3220".

 - reg: I2C slave address, must be 0x47 or 0x67 based on ADDR pin.

 - interrupts: An interrupt specifier.

Required sub-node:

 - connector: The "usb-c-connector" attached to the hd3ss3220 chip. The

   bindings of the connector node are specified in:

	Documentation/devicetree/bindings/connector/usb-connector.yaml

Example:

hd3ss3220@47 {

	compatible = "ti,hd3ss3220";

	reg = <0x47>;

	interrupt-parent = <&gpio6>;

	interrupts = <3 IRQ_TYPE_LEVEL_LOW>;

	connector {

		compatible = "usb-c-connector";

		label = "USB-C";

		data-role = "dual";

		ports {

			#address-cells = <1>;

			#size-cells = <0>;

			port@1 {

				reg = <1>;

				hd3ss3220_ep: endpoint {

					remote-endpoint = <&usb3_role_switch>;

				};

			};

		};

	};

};

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/usb/ti,hd3ss3220.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: TI HD3SS3220 TypeC DRP Port Controller

maintainers:

  - Biju Das <biju.das.jz@bp.renesas.com>

description: |-

  HD3SS3220 is a USB SuperSpeed (SS) 2:1 mux with DRP port controller. The device provides Channel

  Configuration (CC) logic and 5V VCONN sourcing for ecosystems implementing USB Type-C. The

  HD3SS3220 can be configured as a Downstream Facing Port (DFP), Upstream Facing Port (UFP) or a

  Dual Role Port (DRP) making it ideal for any application.

properties:

  compatible:

   const: ti,hd3ss3220

  reg:

    maxItems: 1

  interrupts:

    maxItems: 1

  ports:

    description: OF graph bindings (specified in bindings/graph.txt) that model

      SS data bus to the SS capable connector.

    type: object

    properties:

      port@0:

        type: object

        description: Super Speed (SS) MUX inputs connected to SS capable connector.

        $ref: /connector/usb-connector.yaml#/properties/ports/properties/port@1

      port@1:

        type: object

        description: Output of 2:1 MUX connected to Super Speed (SS) data bus.

    required:

      - port@0

      - port@1

required:

  - compatible

  - reg

  - interrupts

additionalProperties: false

examples:

  - |

    i2c0 {

        #address-cells = <1>;

        #size-cells = <0>;

        hd3ss3220@47 {

                compatible = "ti,hd3ss3220";

                reg = <0x47>;

                interrupt-parent = <&gpio6>;

                interrupts = <3>;

                ports {

                        #address-cells = <1>;

                        #size-cells = <0>;

                        port@0 {

                                reg = <0>;

                                hd3ss3220_in_ep: endpoint {

                                        remote-endpoint = <&ss_ep>;

                                };

                        };

                        port@1 {

                                reg = <1>;

                                hd3ss3220_out_ep: endpoint {

                                        remote-endpoint = <&usb3_role_switch>;

                                };

                        };

                };

        };

    };