1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/usb/generic-ohci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: USB OHCI Controller
8
9 maintainers:
10 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11
12 properties:
13 compatible:
14 oneOf:
15 - items:
16 - enum:
17 - allwinner,sun4i-a10-ohci
18 - allwinner,sun50i-a64-ohci
19 - allwinner,sun50i-h6-ohci
20 - allwinner,sun50i-h616-ohci
21 - allwinner,sun5i-a13-ohci
22 - allwinner,sun6i-a31-ohci
23 - allwinner,sun7i-a20-ohci
24 - allwinner,sun8i-a23-ohci
25 - allwinner,sun8i-a83t-ohci
26 - allwinner,sun8i-h3-ohci
27 - allwinner,sun8i-r40-ohci
28 - allwinner,sun8i-v3s-ohci
29 - allwinner,sun9i-a80-ohci
30 - allwinner,sun20i-d1-ohci
31 - brcm,bcm3384-ohci
32 - brcm,bcm63268-ohci
33 - brcm,bcm6328-ohci
34 - brcm,bcm6358-ohci
35 - brcm,bcm6362-ohci
36 - brcm,bcm6368-ohci
37 - brcm,bcm7125-ohci
38 - brcm,bcm7346-ohci
39 - brcm,bcm7358-ohci
40 - brcm,bcm7360-ohci
41 - brcm,bcm7362-ohci
42 - brcm,bcm7420-ohci
43 - brcm,bcm7425-ohci
44 - brcm,bcm7435-ohci
45 - hpe,gxp-ohci
46 - ibm,476gtr-ohci
47 - ingenic,jz4740-ohci
48 - rockchip,rk3588-ohci
49 - snps,hsdk-v1.0-ohci
50 - const: generic-ohci
51 - enum:
52 - generic-ohci
53 - ti,ohci-omap3
54 - items:
55 - enum:
56 - cavium,octeon-6335-ohci
57 - nintendo,hollywood-usb-ohci
58 - nxp,ohci-nxp
59 - st,spear600-ohci
60 - const: usb-ohci
61
62 reg:
63 maxItems: 1
64
65 interrupts:
66 maxItems: 1
67
68 resets:
69 minItems: 1
70 maxItems: 2
71
72 clocks:
73 minItems: 1
74 maxItems: 4
75 description: |
76 In case the Renesas R-Car Gen3 SoCs:
77 - if a host only channel: first clock should be host.
78 - if a USB DRD channel: first clock should be host and second
79 one should be peripheral
80
81 power-domains:
82 maxItems: 1
83
84 big-endian:
85 $ref: /schemas/types.yaml#/definitions/flag
86 description:
87 Set this flag for HCDs with big endian descriptors and big
88 endian registers.
89
90 big-endian-desc:
91 $ref: /schemas/types.yaml#/definitions/flag
92 description:
93 Set this flag for HCDs with big endian descriptors.
94
95 big-endian-regs:
96 $ref: /schemas/types.yaml#/definitions/flag
97 description:
98 Set this flag for HCDs with big endian registers.
99
100 remote-wakeup-connected:
101 $ref: /schemas/types.yaml#/definitions/flag
102 description:
103 Remote wakeup is wired on the platform.
104
105 no-big-frame-no:
106 $ref: /schemas/types.yaml#/definitions/flag
107 description:
108 Set if frame_no lives in bits [15:0] of HCCA
109
110 num-ports:
111 $ref: /schemas/types.yaml#/definitions/uint32
112 description:
113 Overrides the detected port count
114
115 phys:
116 minItems: 1
117 maxItems: 3
118
119 phy-names:
120 const: usb
121
122 iommus:
123 maxItems: 1
124
125 dr_mode:
126 enum:
127 - host
128 - otg
129
130 transceiver:
131 $ref: /schemas/types.yaml#/definitions/phandle
132 description:
133 The associated ISP1301 device. Necessary for the UDC controller for
134 connecting to the USB physical layer.
135
136 required:
137 - compatible
138 - reg
139 - interrupts
140
141 allOf:
142 - $ref: usb-hcd.yaml
143 - if:
144 not:
145 properties:
146 compatible:
147 contains:
148 const: nxp,ohci-nxp
149 then:
150 properties:
151 transceiver: false
152 - if:
153 properties:
154 compatible:
155 contains:
156 const: rockchip,rk3588-ohci
157 then:
158 properties:
159 clocks:
160 minItems: 4
161 else:
162 properties:
163 clocks:
164 minItems: 1
165 maxItems: 3
166
167 unevaluatedProperties: false
168
169 examples:
170 - |
171 ohci0: usb@1c14400 {
172 compatible = "allwinner,sun4i-a10-ohci", "generic-ohci";
173 reg = <0x01c14400 0x100>;
174 interrupts = <64>;
175 clocks = <&usb_clk 6>, <&ahb_gates 2>;
176 phys = <&usbphy 1>;
177 phy-names = "usb";
178 };
179
180 ...
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