bindings/usb/usb-device.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/usb-device.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
15   http://www.devicetree.org/open-firmware/bindings/usb/usb-1_0.ps
17   Four types of device-tree nodes are defined: "host-controller nodes"
19   "interface nodes" representing USB interfaces and "combined nodes"
22   A combined node shall be used instead of a device node and an interface node
24   interface.
26   A "hub node" is a combined node or an interface node that represents a USB
31     pattern: "^usb[0-9a-f]{1,4},[0-9a-f]{1,4}$"
41     description: the number of the USB hub port or the USB host-controller
44       - minimum: 1
47   "#address-cells":
49       should be 2 for device nodes with interface nodes.
52   "#size-cells":
56   "^interface@[0-9a-f]{1,2}(,[0-9a-f]{1,2})$":
58     description: USB interface nodes.
60       representation of an interface-node unit address for configuration 1.
64         pattern: "^usbif[0-9a-f]{1,4},[0-9a-f]{1,4}.config[0-9a-f]{1,2}.[0-9a-f]{1,2}$"
65         description: Interface nodes.
67           the product id, CN is the configuration value and IN is the interface
76           the interface number and the second cell represents the
81   - reg
89   #    interface 0 of configuration 1
90   #    interface 0 of configuration 2
91   - |
95         #address-cells = <1>;
96         #size-cells = <0>;
112             #address-cells = <2>;
113             #size-cells = <0>;
115             interface@0 {
120             interface@0,2 {