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
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/usb/dwc2.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: DesignWare HS OTG USB 2.0 controller Bindings
8
9maintainers:
10 - Rob Herring <robh@kernel.org>
11
12properties:
13 compatible:
14 oneOf:
15 - const: brcm,bcm2835-usb
16 - const: hisilicon,hi6220-usb
17 - items:
18 - const: rockchip,rk3066-usb
19 - const: snps,dwc2
20 - items:
21 - enum:
22 - rockchip,px30-usb
23 - rockchip,rk3036-usb
24 - rockchip,rk3188-usb
25 - rockchip,rk3228-usb
26 - rockchip,rk3288-usb
27 - rockchip,rk3328-usb
28 - rockchip,rk3368-usb
29 - rockchip,rv1108-usb
30 - const: rockchip,rk3066-usb
31 - const: snps,dwc2
32 - const: lantiq,arx100-usb
33 - const: lantiq,xrx200-usb
34 - items:
35 - enum:
36 - amlogic,meson8-usb
37 - amlogic,meson8b-usb
38 - amlogic,meson-gxbb-usb
39 - amlogic,meson-g12a-usb
40 - const: snps,dwc2
41 - const: amcc,dwc-otg
42 - const: snps,dwc2
43 - const: st,stm32f4x9-fsotg
44 - const: st,stm32f4x9-hsotg
45 - const: st,stm32f7-hsotg
46 - const: st,stm32mp15-fsotg
47 - const: st,stm32mp15-hsotg
48 - const: samsung,s3c6400-hsotg
49
50 reg:
51 maxItems: 1
52
53 interrupts:
54 maxItems: 1
55
56 clocks:
57 maxItems: 1
58
59 clock-names:
60 items:
61 - const: otg
62
63 resets:
64 items:
65 - description: common reset
66 - description: ecc reset
67 minItems: 1
68
69 reset-names:
70 items:
71 - const: dwc2
72 - const: dwc2-ecc
73 minItems: 1
74
75 phys:
76 maxItems: 1
77
78 phy-names:
79 const: usb2-phy
80
81 power-domains:
82 maxItems: 1
83
84 vbus-supply:
85 description: reference to the VBUS regulator. Depending on the current mode
86 this is enabled (in "host" mode") or disabled (in "peripheral" mode). The
87 regulator is updated if the controller is configured in "otg" mode and the
88 status changes between "host" and "peripheral".
89
90 vusb_d-supply:
91 description: phandle to voltage regulator of digital section,
92
93 vusb_a-supply:
94 description: phandle to voltage regulator of analog section.
95
96 vusb33d-supply:
97 description: reference to the VBUS and ID sensing comparators supply, in
98 order to perform OTG operation, used on STM32MP15 SoCs.
99
100 dr_mode:
101 enum: [host, peripheral, otg]
102
103 g-rx-fifo-size:
104 $ref: /schemas/types.yaml#/definitions/uint32
105 description: size of rx fifo size in gadget mode.
106
107 g-np-tx-fifo-size:
108 $ref: /schemas/types.yaml#/definitions/uint32
109 description: size of non-periodic tx fifo size in gadget mode.
110
111 g-tx-fifo-size:
112 $ref: /schemas/types.yaml#/definitions/uint32-array
113 description: size of periodic tx fifo per endpoint (except ep0) in gadget mode.
114
115 snps,need-phy-for-wake:
116 $ref: /schemas/types.yaml#/definitions/flag
117 description: If present indicates that the phy needs to be left on for remote wakeup during suspend.
118
119 snps,reset-phy-on-wake:
120 $ref: /schemas/types.yaml#/definitions/flag
121 description: If present indicates that we need to reset the PHY when we detect a wakeup.
122 This is due to a hardware errata.
123
124required:
125 - compatible
126 - reg
127 - interrupts
128 - clocks
129 - clock-names
130
131additionalProperties: false
132
133examples:
134 - |
135 usb@101c0000 {
136 compatible = "rockchip,rk3066-usb", "snps,dwc2";
137 reg = <0x10180000 0x40000>;
138 interrupts = <18>;
139 clocks = <&usb_otg_ahb_clk>;
140 clock-names = "otg";
141 phys = <&usbphy>;
142 phy-names = "usb2-phy";
143 };
144
145...