1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/usb/usb.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Generic USB Controller Device Tree Bindings 8 9maintainers: 10 - Greg Kroah-Hartman <gregkh@linuxfoundation.org> 11 12select: false 13 14properties: 15 $nodename: 16 pattern: "^usb(@.*)?" 17 18 phys: 19 description: 20 List of all the USB PHYs on this HCD 21 22 phy-names: 23 description: 24 Name specifier for the USB PHY 25 26 usb-phy: 27 $ref: /schemas/types.yaml#/definitions/phandle-array 28 description: 29 List of all the USB PHYs on this HCD to be accepted by the legacy USB 30 Physical Layer subsystem. 31 deprecated: true 32 33 phy_type: 34 description: 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 40 default to HW capability. 41 $ref: /schemas/types.yaml#/definitions/string 42 enum: [utmi, utmi_wide, ulpi, serial, hsic] 43 44 maximum-speed: 45 description: 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 48 capability. 49 $ref: /schemas/types.yaml#/definitions/string 50 enum: 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 59 60additionalProperties: true 61 62... 63