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

   1 # SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/usb/realtek,rts5411.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Binding for the Realtek RTS5411 USB 3.0 hub controller
   8
   9 maintainers:
  10   - Matthias Kaehlcke <mka@chromium.org>
  11
  12 allOf:
  13   - $ref: usb-device.yaml#
  14
  15 properties:
  16   compatible:
  17     items:
  18       - enum:
  19           - usbbda,5411
  20           - usbbda,411
  21
  22   reg: true
  23
  24   vdd-supply:
  25     description:
  26       phandle to the regulator that provides power to the hub.
  27
  28   companion-hub:
  29     $ref: '/schemas/types.yaml#/definitions/phandle'
  30     description:
  31       phandle to the companion hub on the controller.
  32
  33 required:
  34   - companion-hub
  35   - compatible
  36   - reg
  37
  38 additionalProperties: false
  39
  40 examples:
  41   - |
  42     usb {
  43         dr_mode = "host";
  44         #address-cells = <1>;
  45         #size-cells = <0>;
  46
  47         /* 2.0 hub on port 1 */
  48         hub_2_0: hub@1 {
  49             compatible = "usbbda,5411";
  50             reg = <1>;
  51             vdd-supply = <&pp3300_hub>;
  52             companion-hub = <&hub_3_0>;
  53         };
  54
  55         /* 3.0 hub on port 2 */
  56         hub_3_0: hub@2 {
  57             compatible = "usbbda,411";
  58             reg = <2>;
  59             vdd-supply = <&pp3300_hub>;
  60             companion-hub = <&hub_2_0>;
  61         };
  62     };