1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/usb/usb.yam 4 $id: http://devicetree.org/schemas/usb/usb.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Generic USB Controller !! 7 title: Generic USB Controller Device Tree Bindings
8 8
9 maintainers: 9 maintainers:
10 - Greg Kroah-Hartman <gregkh@linuxfoundation. 10 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 11
12 select: false 12 select: false
13 13
14 properties: 14 properties:
15 $nodename: 15 $nodename:
16 pattern: "^usb(@.*)?" 16 pattern: "^usb(@.*)?"
17 17
18 phys: 18 phys:
19 description: 19 description:
20 List of all the USB PHYs on this HCD 20 List of all the USB PHYs on this HCD
21 21
22 phy-names: 22 phy-names:
23 description: 23 description:
24 Name specifier for the USB PHY 24 Name specifier for the USB PHY
25 25
26 usb-phy: 26 usb-phy:
27 $ref: /schemas/types.yaml#/definitions/pha 27 $ref: /schemas/types.yaml#/definitions/phandle-array
28 items: <<
29 maxItems: 1 <<
30 description: 28 description:
31 List of all the USB PHYs on this HCD to 29 List of all the USB PHYs on this HCD to be accepted by the legacy USB
32 Physical Layer subsystem. 30 Physical Layer subsystem.
33 deprecated: true 31 deprecated: true
34 32
35 phy_type: 33 phy_type:
36 description: 34 description:
37 Tells USB controllers that we want to co 35 Tells USB controllers that we want to configure the core to support a
38 UTMI+ PHY with an 8- or 16-bit interface 36 UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected, UTMI+ low
39 pin interface if ULPI is specified, Seri 37 pin interface if ULPI is specified, Serial core/PHY interconnect if
40 serial is specified and High-Speed Inter 38 serial is specified and High-Speed Inter-Chip feature if HSIC is
41 selected. In case this isn't passed via 39 selected. In case this isn't passed via DT, USB controllers should
42 default to HW capability. 40 default to HW capability.
43 $ref: /schemas/types.yaml#/definitions/str 41 $ref: /schemas/types.yaml#/definitions/string
44 enum: [utmi, utmi_wide, ulpi, serial, hsic 42 enum: [utmi, utmi_wide, ulpi, serial, hsic]
45 43
46 maximum-speed: 44 maximum-speed:
47 description: 45 description:
48 Tells USB controllers we want to work up 46 Tells USB controllers we want to work up to a certain speed. In case this
49 isn't passed via DT, USB controllers sho 47 isn't passed via DT, USB controllers should default to their maximum HW
50 capability. 48 capability.
51 $ref: /schemas/types.yaml#/definitions/str 49 $ref: /schemas/types.yaml#/definitions/string
52 enum: 50 enum:
53 - low-speed 51 - low-speed
54 - full-speed 52 - full-speed
55 - high-speed 53 - high-speed
56 - super-speed 54 - super-speed
57 - super-speed-plus 55 - super-speed-plus
58 - super-speed-plus-gen2x1 56 - super-speed-plus-gen2x1
59 - super-speed-plus-gen1x2 57 - super-speed-plus-gen1x2
60 - super-speed-plus-gen2x2 58 - super-speed-plus-gen2x2
61 59
62 additionalProperties: true 60 additionalProperties: true
63 61
64 ... 62 ...
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