Commit 80ee6fc2 authored by Matthias Kaehlcke's avatar Matthias Kaehlcke Committed by Greg Kroah-Hartman
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dt-bindings: usb: Add binding for Realtek RTS5411 hub controller 



The Realtek RTS5411 is a USB 3.0 hub controller with 4 ports.

This initial version of the binding only describes USB related
aspects of the RTS5411, it does not cover the option of
connecting the controller as an i2c slave.

Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMatthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20210609150159.v12.1.I248292623d3d0f6a4f0c5bc58478ca3c0062b49a@changeid


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent cd59ea91

Documentation/devicetree/bindings/usb/realtek,rts5411.yaml

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# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause

%YAML 1.2

---

$id: http://devicetree.org/schemas/usb/realtek,rts5411.yaml#

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



title: Binding for the Realtek RTS5411 USB 3.0 hub controller



maintainers:

  - Matthias Kaehlcke <mka@chromium.org>



allOf:

  - $ref: usb-device.yaml#



properties:

  compatible:

    items:

      - enum:

          - usbbda,5411

          - usbbda,411



  reg: true



  vdd-supply:

    description:

      phandle to the regulator that provides power to the hub.



  companion-hub:

    $ref: '/schemas/types.yaml#/definitions/phandle'

    description:

      phandle to the companion hub on the controller.



required:

  - companion-hub

  - compatible

  - reg



additionalProperties: false



examples:

  - |

    usb {

        dr_mode = "host";

        #address-cells = <1>;

        #size-cells = <0>;



        /* 2.0 hub on port 1 */

        hub_2_0: hub@1 {

            compatible = "usbbda,5411";

            reg = <1>;

            vdd-supply = <&pp3300_hub>;

            companion-hub = <&hub_3_0>;

        };



        /* 3.0 hub on port 2 */

        hub_3_0: hub@2 {

            compatible = "usbbda,411";

            reg = <2>;

            vdd-supply = <&pp3300_hub>;

            companion-hub = <&hub_2_0>;

        };

    };