bindings/usb/usb.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/usb/usb.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic USB Controller
10   - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
16     pattern: "^usb(@.*)?"
20       List of all the USB PHYs on this HCD
22   phy-names:
24       Name specifier for the USB PHY
26   usb-phy:
27     $ref: /schemas/types.yaml#/definitions/phandle-array
29       List of all the USB PHYs on this HCD to be accepted by the legacy USB
35       Tells USB controllers that we want to configure the core to support a
36       UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected, UTMI+ low
37       pin interface if ULPI is specified, Serial core/PHY interconnect if
38       serial is specified and High-Speed Inter-Chip feature if HSIC is
39       selected. In case this isn't passed via DT, USB controllers should
42     enum: [utmi, utmi_wide, ulpi, serial, hsic]
44   maximum-speed:
46       Tells USB controllers we want to work up to a certain speed. In case this
47       isn't passed via DT, USB controllers should default to their maximum HW
51       - low-speed
52       - full-speed
53       - high-speed
54       - super-speed
55       - super-speed-plus
56       - super-speed-plus-gen2x1
57       - super-speed-plus-gen1x2
58       - super-speed-plus-gen2x2