blob: 28096619a882712d70e7522f3ea4b99438db27d2 [file] [log] [blame]
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/cypress,hx3.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Cypress HX3 USB 3.0 hub controller family
maintainers:
- Benjamin Bara <benjamin.bara@skidata.com>
allOf:
- $ref: usb-device.yaml#
properties:
compatible:
enum:
- usb4b4,6504
- usb4b4,6506
reg: true
reset-gpios:
items:
- description: GPIO specifier for RESETN pin.
vdd-supply:
description:
1V2 power supply (VDD_EFUSE, AVDD12, DVDD12).
vdd2-supply:
description:
3V3 power supply (AVDD33, VDD_IO).
peer-hub:
$ref: /schemas/types.yaml#/definitions/phandle
description:
phandle to the peer hub on the controller.
required:
- compatible
- reg
- peer-hub
- vdd-supply
- vdd2-supply
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 = "usb4b4,6504";
reg = <1>;
peer-hub = <&hub_3_0>;
reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
vdd-supply = <&reg_1v2_usb>;
vdd2-supply = <&reg_3v3_usb>;
};
/* 3.0 hub on port 2 */
hub_3_0: hub@2 {
compatible = "usb4b4,6506";
reg = <2>;
peer-hub = <&hub_2_0>;
reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
vdd-supply = <&reg_1v2_usb>;
vdd2-supply = <&reg_3v3_usb>;
};
};