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
31       List of all the USB PHYs on this HCD to be accepted by the legacy USB
37       Tells USB controllers that we want to configure the core to support a
38       UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected, UTMI+ low
39       pin interface if ULPI is specified, Serial core/PHY interconnect if
40       serial is specified and High-Speed Inter-Chip feature if HSIC is
41       selected. In case this isn't passed via DT, USB controllers should
42       default to HW capability.
44     enum: [utmi, utmi_wide, ulpi, serial, hsic]
46   maximum-speed:
48       Tells USB controllers we want to work up to a certain speed. In case this
49       isn't passed via DT, USB controllers should default to their maximum HW
53       - low-speed
54       - full-speed
55       - high-speed
56       - super-speed
57       - super-speed-plus
58       - super-speed-plus-gen2x1
59       - super-speed-plus-gen1x2
60       - super-speed-plus-gen2x2