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 $ref: /schemas/types.yaml#/definitions/phandle-array
19 description: 20 description:
20 List of all the USB PHYs on this HCD 21 List of all the USB PHYs on this HCD
21 22
22 phy-names: 23 phy-names:
23 description: 24 description:
24 Name specifier for the USB PHY 25 Name specifier for the USB PHY
25 26
26 usb-phy: 27 usb-phy:
27 $ref: /schemas/types.yaml#/definitions/pha 28 $ref: /schemas/types.yaml#/definitions/phandle-array
28 items: <<
29 maxItems: 1 <<
30 description: 29 description:
31 List of all the USB PHYs on this HCD to 30 List of all the USB PHYs on this HCD to be accepted by the legacy USB
32 Physical Layer subsystem. 31 Physical Layer subsystem.
33 deprecated: true 32 deprecated: true
34 33
35 phy_type: 34 phy_type:
36 description: 35 description:
37 Tells USB controllers that we want to co 36 Tells USB controllers that we want to configure the core to support a
38 UTMI+ PHY with an 8- or 16-bit interface 37 UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected, UTMI+ low
39 pin interface if ULPI is specified, Seri 38 pin interface if ULPI is specified, Serial core/PHY interconnect if
40 serial is specified and High-Speed Inter 39 serial is specified and High-Speed Inter-Chip feature if HSIC is
41 selected. In case this isn't passed via 40 selected. In case this isn't passed via DT, USB controllers should
42 default to HW capability. 41 default to HW capability.
43 $ref: /schemas/types.yaml#/definitions/str 42 $ref: /schemas/types.yaml#/definitions/string
44 enum: [utmi, utmi_wide, ulpi, serial, hsic 43 enum: [utmi, utmi_wide, ulpi, serial, hsic]
45 44
46 maximum-speed: 45 maximum-speed:
47 description: 46 description:
48 Tells USB controllers we want to work up 47 Tells USB controllers we want to work up to a certain speed. In case this
49 isn't passed via DT, USB controllers sho 48 isn't passed via DT, USB controllers should default to their maximum HW
50 capability. 49 capability.
51 $ref: /schemas/types.yaml#/definitions/str 50 $ref: /schemas/types.yaml#/definitions/string
52 enum: 51 enum:
53 - low-speed 52 - low-speed
54 - full-speed 53 - full-speed
55 - high-speed 54 - high-speed
56 - super-speed 55 - super-speed
57 - super-speed-plus 56 - super-speed-plus
58 - super-speed-plus-gen2x1 57 - super-speed-plus-gen2x1
59 - super-speed-plus-gen1x2 58 - super-speed-plus-gen1x2
60 - super-speed-plus-gen2x2 59 - super-speed-plus-gen2x2
61 60
62 additionalProperties: true 61 additionalProperties: true
63 62
64 ... 63 ...
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