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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/vialab,vl817.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Via labs VL817 USB 3.1 hub controller
maintainers:
- Anand Moon <linux.amoon@gmail.com>
allOf:
- $ref: usb-device.yaml#
properties:
compatible:
enum:
- usb2109,2817
- usb2109,817
reg: true
reset-gpios:
maxItems: 1
description:
GPIO controlling the RESET# pin.
vdd-supply:
description:
phandle to the regulator that provides power to the hub.
peer-hub:
$ref: /schemas/types.yaml#/definitions/phandle
description:
phandle to the peer hub on the controller.
required:
- compatible
- reg
- vdd-supply
- peer-hub
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
usb {
#address-cells = <1>;
#size-cells = <0>;
/* 2.0 hub on port 1 */
hub_2_0: hub@1 {
compatible = "usb2109,2817";
reg = <1>;
vdd-supply = <&vcc_5v>;
peer-hub = <&hub_3_0>;
reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
};
/* 3.1 hub on port 4 */
hub_3_0: hub@2 {
compatible = "usb2109,817";
reg = <2>;
vdd-supply = <&vcc_5v>;
peer-hub = <&hub_2_0>;
reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
};
};
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