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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 | ||
7 | title: DesignWare HS OTG USB 2.0 controller Bindings | |
8 | ||
9 | maintainers: | |
10 | - Rob Herring <robh@kernel.org> | |
11 | ||
12 | properties: | |
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: | |
95b18f28 JJ |
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 | |
7334c822 | 28 | - rockchip,rk3368-usb |
95b18f28 | 29 | - rockchip,rv1108-usb |
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30 | - const: rockchip,rk3066-usb |
31 | - const: snps,dwc2 | |
32 | - const: lantiq,arx100-usb | |
33 | - const: lantiq,xrx200-usb | |
34 | - items: | |
28d5ee04 NA |
35 | - enum: |
36 | - amlogic,meson8-usb | |
37 | - amlogic,meson8b-usb | |
38 | - amlogic,meson-gxbb-usb | |
39 | - amlogic,meson-g12a-usb | |
f3ca745d BG |
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 | |
d4985011 | 46 | - const: st,stm32mp15-fsotg |
1a21240d BG |
47 | - items: |
48 | - const: st,stm32mp15-hsotg | |
49 | - const: snps,dwc2 | |
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50 | - const: samsung,s3c6400-hsotg |
51 | ||
52 | reg: | |
53 | maxItems: 1 | |
54 | ||
55 | interrupts: | |
56 | maxItems: 1 | |
57 | ||
58 | clocks: | |
59 | maxItems: 1 | |
60 | ||
61 | clock-names: | |
62 | items: | |
63 | - const: otg | |
64 | ||
65 | resets: | |
66 | items: | |
9f60a65b RH |
67 | - description: common reset |
68 | - description: ecc reset | |
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69 | minItems: 1 |
70 | ||
71 | reset-names: | |
72 | items: | |
9f60a65b RH |
73 | - const: dwc2 |
74 | - const: dwc2-ecc | |
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75 | minItems: 1 |
76 | ||
77 | phys: | |
78 | maxItems: 1 | |
79 | ||
80 | phy-names: | |
81 | const: usb2-phy | |
82 | ||
0b714009 JJ |
83 | power-domains: |
84 | maxItems: 1 | |
85 | ||
f3ca745d BG |
86 | vbus-supply: |
87 | description: reference to the VBUS regulator. Depending on the current mode | |
88 | this is enabled (in "host" mode") or disabled (in "peripheral" mode). The | |
89 | regulator is updated if the controller is configured in "otg" mode and the | |
90 | status changes between "host" and "peripheral". | |
91 | ||
92 | vusb_d-supply: | |
93 | description: phandle to voltage regulator of digital section, | |
94 | ||
95 | vusb_a-supply: | |
96 | description: phandle to voltage regulator of analog section. | |
97 | ||
1a21240d | 98 | usb33d-supply: |
d4985011 AD |
99 | description: reference to the VBUS and ID sensing comparators supply, in |
100 | order to perform OTG operation, used on STM32MP15 SoCs. | |
101 | ||
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102 | dr_mode: |
103 | enum: [host, peripheral, otg] | |
104 | ||
105 | g-rx-fifo-size: | |
106 | $ref: /schemas/types.yaml#/definitions/uint32 | |
107 | description: size of rx fifo size in gadget mode. | |
108 | ||
109 | g-np-tx-fifo-size: | |
110 | $ref: /schemas/types.yaml#/definitions/uint32 | |
111 | description: size of non-periodic tx fifo size in gadget mode. | |
112 | ||
113 | g-tx-fifo-size: | |
114 | $ref: /schemas/types.yaml#/definitions/uint32-array | |
115 | description: size of periodic tx fifo per endpoint (except ep0) in gadget mode. | |
116 | ||
117 | snps,need-phy-for-wake: | |
118 | $ref: /schemas/types.yaml#/definitions/flag | |
119 | description: If present indicates that the phy needs to be left on for remote wakeup during suspend. | |
120 | ||
121 | snps,reset-phy-on-wake: | |
122 | $ref: /schemas/types.yaml#/definitions/flag | |
123 | description: If present indicates that we need to reset the PHY when we detect a wakeup. | |
124 | This is due to a hardware errata. | |
125 | ||
126 | required: | |
127 | - compatible | |
128 | - reg | |
129 | - interrupts | |
130 | - clocks | |
131 | - clock-names | |
132 | ||
133 | additionalProperties: false | |
134 | ||
135 | examples: | |
136 | - | | |
137 | usb@101c0000 { | |
138 | compatible = "rockchip,rk3066-usb", "snps,dwc2"; | |
139 | reg = <0x10180000 0x40000>; | |
140 | interrupts = <18>; | |
141 | clocks = <&usb_otg_ahb_clk>; | |
142 | clock-names = "otg"; | |
143 | phys = <&usbphy>; | |
144 | phy-names = "usb2-phy"; | |
145 | }; | |
146 | ||
147 | ... |