# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/wch,ch334.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: WCH CH334/CH335 USB 2.0 Hub Controller

maintainers:
  - Chaoyi Chen <kernel@airkyi.com>

allOf:
  - $ref: usb-hub.yaml#

properties:
  compatible:
    enum:
      - usb1a86,8091

  reg: true

  reset-gpios:
    description: GPIO controlling the RESET# pin.

  vdd33-supply:
    description:
      The regulator that provides 3.3V core power to the hub.

  v5-supply:
    description:
      The regulator that provides 3.3V or 5V power to the hub.

  ports:
    $ref: /schemas/graph.yaml#/properties/ports

    patternProperties:
      '^port@':
        $ref: /schemas/graph.yaml#/properties/port

        properties:
          reg:
            minimum: 1
            maximum: 4

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    usb {
        #address-cells = <1>;
        #size-cells = <0>;
 
        hub: hub@1 {
            compatible = "usb1a86,8091";
            reg = <1>;
            reset-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
            v5-supply = <&vcc_3v3>;
            vdd33-supply = <&vcc_3v3>;
        };
    };