tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/usb/ti,usb8041.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: TI USB8041 and USB8044 USB 3.0 hub controllers
8
9maintainers:
10 - Alexander Stein <alexander.stein@ew.tq-group.com>
11
12allOf:
13 - $ref: usb-device.yaml#
14
15properties:
16 compatible:
17 enum:
18 - usb451,8140
19 - usb451,8142
20 - usb451,8440
21 - usb451,8442
22
23 reg: true
24
25 reset-gpios:
26 items:
27 - description: GPIO specifier for GRST# pin.
28
29 vdd-supply:
30 description:
31 VDD power supply to the hub
32
33 peer-hub:
34 $ref: /schemas/types.yaml#/definitions/phandle
35 description:
36 phandle to the peer hub on the controller.
37
38required:
39 - compatible
40 - reg
41 - peer-hub
42
43additionalProperties: false
44
45examples:
46 - |
47 #include <dt-bindings/gpio/gpio.h>
48
49 usb {
50 dr_mode = "host";
51 #address-cells = <1>;
52 #size-cells = <0>;
53
54 /* 2.0 hub on port 1 */
55 hub_2_0: hub@1 {
56 compatible = "usb451,8142";
57 reg = <1>;
58 peer-hub = <&hub_3_0>;
59 reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
60 };
61
62 /* 3.0 hub on port 2 */
63 hub_3_0: hub@2 {
64 compatible = "usb451,8140";
65 reg = <2>;
66 peer-hub = <&hub_2_0>;
67 reset-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
68 };
69 };