| # 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>; |
| }; |
| }; |
