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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/usb.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Generic USB Controller Device Tree Bindings
maintainers:
- Greg Kroah-Hartman <gregkh@linuxfoundation.org>
select: false
properties:
$nodename:
pattern: "^usb(@.*)?"
phys:
description:
List of all the USB PHYs on this HCD
phy-names:
description:
Name specifier for the USB PHY
usb-phy:
$ref: /schemas/types.yaml#/definitions/phandle-array
description:
List of all the USB PHYs on this HCD to be accepted by the legacy USB
Physical Layer subsystem.
deprecated: true
phy_type:
description:
Tells USB controllers that we want to configure the core to support a
UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected, UTMI+ low
pin interface if ULPI is specified, Serial core/PHY interconnect if
serial is specified and High-Speed Inter-Chip feature if HSIC is
selected. In case this isn't passed via DT, USB controllers should
default to HW capability.
$ref: /schemas/types.yaml#/definitions/string
enum: [utmi, utmi_wide, ulpi, serial, hsic]
maximum-speed:
description:
Tells USB controllers we want to work up to a certain speed. In case this
isn't passed via DT, USB controllers should default to their maximum HW
capability.
$ref: /schemas/types.yaml#/definitions/string
enum:
- low-speed
- full-speed
- high-speed
- super-speed
- super-speed-plus
- super-speed-plus-gen2x1
- super-speed-plus-gen1x2
- super-speed-plus-gen2x2
additionalProperties: true
...
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