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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/ti,usb8041.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: TI USB8041 and USB8044 USB 3.0 hub controllers
maintainers:
- Alexander Stein <alexander.stein@ew.tq-group.com>
allOf:
- $ref: usb-device.yaml#
- $ref: usb-hub.yaml#
properties:
compatible:
enum:
- usb451,8140
- usb451,8142
- usb451,8440
- usb451,8442
reg: true
reset-gpios:
items:
- description: GPIO specifier for GRST# pin.
vdd-supply:
description:
VDD power supply to the hub
peer-hub: true
patternProperties:
'^.*@[1-9a-f][0-9a-f]*$':
description: The hard wired USB devices
type: object
$ref: /schemas/usb/usb-device.yaml
additionalProperties: true
required:
- compatible
- reg
unevaluatedProperties: 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 = "usb451,8142";
reg = <1>;
peer-hub = <&hub_3_0>;
#address-cells = <1>;
#size-cells = <0>;
reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
hub@1 {
compatible = "usb123,4567";
reg = <1>;
};
};
/* 3.0 hub on port 2 */
hub_3_0: hub@2 {
compatible = "usb451,8140";
reg = <2>;
peer-hub = <&hub_2_0>;
reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
};
};
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