2023-08-23 01:45:40 -07:00
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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2023-01-17 21:44:14 -07:00
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/usb/vialab,vl817.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Via labs VL817 USB 3.1 hub controller
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maintainers:
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- Anand Moon <linux.amoon@gmail.com>
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allOf:
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- $ref: usb-device.yaml#
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properties:
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compatible:
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enum:
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- usb2109,2817
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- usb2109,817
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reg: true
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reset-gpios:
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maxItems: 1
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description:
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GPIO controlling the RESET# pin.
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vdd-supply:
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description:
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phandle to the regulator that provides power to the hub.
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peer-hub:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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phandle to the peer hub on the controller.
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required:
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- compatible
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- reg
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2023-01-30 01:47:43 -07:00
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- vdd-supply
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- peer-hub
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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usb {
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#address-cells = <1>;
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#size-cells = <0>;
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/* 2.0 hub on port 1 */
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hub_2_0: hub@1 {
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compatible = "usb2109,2817";
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reg = <1>;
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vdd-supply = <&vcc_5v>;
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peer-hub = <&hub_3_0>;
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reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
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};
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/* 3.1 hub on port 4 */
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hub_3_0: hub@2 {
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compatible = "usb2109,817";
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reg = <2>;
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vdd-supply = <&vcc_5v>;
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peer-hub = <&hub_2_0>;
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reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
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};
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};
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