| # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/usb/usb-hub.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Generic USB Hub |
| |
| maintainers: |
| - Pin-yen Lin <treapking@chromium.org> |
| |
| allOf: |
| - $ref: usb-device.yaml# |
| |
| properties: |
| '#address-cells': |
| const: 1 |
| |
| peer-hub: |
| $ref: /schemas/types.yaml#/definitions/phandle |
| description: |
| phandle to the peer hub on the controller. |
| |
| ports: |
| $ref: /schemas/graph.yaml#/properties/ports |
| description: |
| The downstream facing USB ports |
| |
| patternProperties: |
| "^port@[1-9a-f][0-9a-f]*$": |
| $ref: /schemas/graph.yaml#/properties/port |
| |
| patternProperties: |
| '^.*@[1-9a-f][0-9a-f]*$': |
| description: The hard wired USB devices |
| type: object |
| $ref: /schemas/usb/usb-device.yaml |
| additionalProperties: true |
| |
| required: |
| - compatible |
| - reg |
| |
| additionalProperties: true |
| |
| examples: |
| - | |
| usb { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| /* 2.0 hub on port 1 */ |
| hub_2_0: hub@1 { |
| compatible = "usb123,4567"; |
| reg = <1>; |
| peer-hub = <&hub_3_0>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| /* USB 2.0 device on port 5 */ |
| device@5 { |
| reg = <5>; |
| compatible = "usb765,4321"; |
| }; |
| }; |
| |
| /* 3.0 hub on port 2 */ |
| hub_3_0: hub@2 { |
| compatible = "usb123,abcd"; |
| reg = <2>; |
| peer-hub = <&hub_2_0>; |
| |
| ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| /* Type-A connector on port 3 */ |
| port@3 { |
| reg = <3>; |
| endpoint { |
| remote-endpoint = <&usb_a0_ss>; |
| }; |
| }; |
| }; |
| }; |
| }; |