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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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dt-bindings: usb: Add support for Terminus FE1.1s USB2.0 Hub controller

Terminus FE1.1s is USB2.0 protocol compliant 4-port USB HUB, It support
MTT (Multiple Transaction Translator) mode, the upstream port supports
high-speed 480MHz and full-speed 12MHz modes, also has integrated 5V to
3.3V, 1.8V regulator and Power-On-Reset circuit.

Introduce the DT binding for it.

Link: https://terminus-usa.com/wp-content/uploads/2024/06/FE1.1s-Product-Brief-Rev.-2.0-2023.pdf [1]
Signed-off-by: Yixun Lan <dlan@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260319-03-usb-hub-fe1-v2-1-e4e26809dd7d@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

authored by

Yixun Lan and committed by
Greg Kroah-Hartman e972256f 5b99bcba

+62
+62
Documentation/devicetree/bindings/usb/terminus,fe11.yaml
··· 1 + # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2 + %YAML 1.2 3 + --- 4 + $id: http://devicetree.org/schemas/usb/terminus,fe11.yaml# 5 + $schema: http://devicetree.org/meta-schemas/core.yaml# 6 + 7 + title: Terminus FE1.1/1.1S USB 2.0 Hub Controller 8 + 9 + maintainers: 10 + - Yixun Lan <dlan@kernel.org> 11 + 12 + allOf: 13 + - $ref: usb-hub.yaml# 14 + 15 + properties: 16 + compatible: 17 + enum: 18 + - usb1a40,0101 19 + 20 + reg: true 21 + 22 + reset-gpios: 23 + description: 24 + GPIO controlling the RESET#. 25 + 26 + vdd-supply: 27 + description: 28 + Regulator supply to the hub, one of 3.3V or 5V can be chosen. 29 + 30 + ports: 31 + $ref: /schemas/graph.yaml#/properties/ports 32 + 33 + patternProperties: 34 + '^port@': 35 + $ref: /schemas/graph.yaml#/properties/port 36 + 37 + properties: 38 + reg: 39 + minimum: 1 40 + maximum: 4 41 + 42 + required: 43 + - compatible 44 + - reg 45 + - vdd-supply 46 + 47 + unevaluatedProperties: false 48 + 49 + examples: 50 + - | 51 + #include <dt-bindings/gpio/gpio.h> 52 + usb { 53 + #address-cells = <1>; 54 + #size-cells = <0>; 55 + 56 + hub@1 { 57 + compatible = "usb1a40,0101"; 58 + reg = <1>; 59 + reset-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>; 60 + vdd-supply = <&vcc_5v>; 61 + }; 62 + };