1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/usb/ti,usb8 4 $id: http://devicetree.org/schemas/usb/ti,usb8020b.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: TI USB8020B USB 3.0 hub controller 7 title: TI USB8020B USB 3.0 hub controller
8 8
9 maintainers: 9 maintainers:
10 - Macpaul Lin <macpaul.lin@mediatek.com> 10 - Macpaul Lin <macpaul.lin@mediatek.com>
11 11
12 allOf: 12 allOf:
13 - $ref: usb-device.yaml# 13 - $ref: usb-device.yaml#
14 14
15 properties: 15 properties:
16 compatible: 16 compatible:
17 enum: 17 enum:
18 - usb451,8025 18 - usb451,8025
19 - usb451,8027 19 - usb451,8027
20 20
21 reg: true 21 reg: true
22 22
23 reset-gpios: 23 reset-gpios:
24 items: 24 items:
25 - description: GPIO specifier for GRST# 25 - description: GPIO specifier for GRST# pin.
26 26
27 vdd-supply: 27 vdd-supply:
28 description: 28 description:
29 VDD power supply to the hub 29 VDD power supply to the hub
30 30
31 peer-hub: 31 peer-hub:
32 $ref: /schemas/types.yaml#/definitions/pha 32 $ref: /schemas/types.yaml#/definitions/phandle
33 description: 33 description:
34 phandle to the peer hub on the controlle 34 phandle to the peer hub on the controller.
35 35
36 required: 36 required:
37 - compatible 37 - compatible
38 - reg 38 - reg
39 - peer-hub 39 - peer-hub
40 40
41 additionalProperties: false 41 additionalProperties: false
42 42
43 examples: 43 examples:
44 - | 44 - |
45 #include <dt-bindings/gpio/gpio.h> 45 #include <dt-bindings/gpio/gpio.h>
46 46
47 usb { 47 usb {
48 dr_mode = "host"; 48 dr_mode = "host";
49 #address-cells = <1>; 49 #address-cells = <1>;
50 #size-cells = <0>; 50 #size-cells = <0>;
51 51
52 /* 2.0 hub on port 1 */ 52 /* 2.0 hub on port 1 */
53 hub_2_0: hub@1 { 53 hub_2_0: hub@1 {
54 compatible = "usb451,8027"; 54 compatible = "usb451,8027";
55 reg = <1>; 55 reg = <1>;
56 peer-hub = <&hub_3_0>; 56 peer-hub = <&hub_3_0>;
57 reset-gpios = <&pio 7 GPIO_ACTIVE_HI 57 reset-gpios = <&pio 7 GPIO_ACTIVE_HIGH>;
58 vdd-supply = <&usb_hub_fixed_3v3>; 58 vdd-supply = <&usb_hub_fixed_3v3>;
59 }; 59 };
60 60
61 /* 3.0 hub on port 2 */ 61 /* 3.0 hub on port 2 */
62 hub_3_0: hub@2 { 62 hub_3_0: hub@2 {
63 compatible = "usb451,8025"; 63 compatible = "usb451,8025";
64 reg = <2>; 64 reg = <2>;
65 peer-hub = <&hub_2_0>; 65 peer-hub = <&hub_2_0>;
66 reset-gpios = <&pio 7 GPIO_ACTIVE_HI 66 reset-gpios = <&pio 7 GPIO_ACTIVE_HIGH>;
67 vdd-supply = <&usb_hub_fixed_3v3>; 67 vdd-supply = <&usb_hub_fixed_3v3>;
68 }; 68 };
69 }; 69 };
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