| # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/usb/ti,usb8020b.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: TI USB8020B USB 3.0 hub controller |
| |
| maintainers: |
| - Macpaul Lin <macpaul.lin@mediatek.com> |
| |
| allOf: |
| - $ref: usb-device.yaml# |
| |
| properties: |
| compatible: |
| enum: |
| - usb451,8025 |
| - usb451,8027 |
| |
| reg: true |
| |
| reset-gpios: |
| items: |
| - description: GPIO specifier for GRST# pin. |
| |
| vdd-supply: |
| description: |
| VDD power supply to the hub |
| |
| peer-hub: |
| $ref: /schemas/types.yaml#/definitions/phandle |
| description: |
| phandle to the peer hub on the controller. |
| |
| required: |
| - compatible |
| - reg |
| - peer-hub |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/gpio/gpio.h> |
| |
| usb { |
| dr_mode = "host"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| /* 2.0 hub on port 1 */ |
| hub_2_0: hub@1 { |
| compatible = "usb451,8027"; |
| reg = <1>; |
| peer-hub = <&hub_3_0>; |
| reset-gpios = <&pio 7 GPIO_ACTIVE_HIGH>; |
| vdd-supply = <&usb_hub_fixed_3v3>; |
| }; |
| |
| /* 3.0 hub on port 2 */ |
| hub_3_0: hub@2 { |
| compatible = "usb451,8025"; |
| reg = <2>; |
| peer-hub = <&hub_2_0>; |
| reset-gpios = <&pio 7 GPIO_ACTIVE_HIGH>; |
| vdd-supply = <&usb_hub_fixed_3v3>; |
| }; |
| }; |
