1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/usb/chipide
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: USB2 ChipIdea USB controller Common Pro
8
9 maintainers:
10 - Xu Yang <xu.yang_2@nxp.com>
11
12 properties:
13 reg:
14 minItems: 1
15 maxItems: 2
16
17 interrupts:
18 minItems: 1
19 maxItems: 2
20
21 clocks:
22 minItems: 1
23 maxItems: 3
24
25 clock-names:
26 minItems: 1
27 maxItems: 3
28
29 dr_mode: true
30
31 power-domains:
32 maxItems: 1
33
34 resets:
35 maxItems: 1
36
37 reset-names:
38 maxItems: 1
39
40 "#reset-cells":
41 const: 1
42
43 phy_type: true
44
45 itc-setting:
46 description:
47 interrupt threshold control register con
48 aligned with ITC bits at register USBCMD
49 $ref: /schemas/types.yaml#/definitions/uin
50
51 ahb-burst-config:
52 description:
53 it is vendor dependent, the required val
54 AHBBRST at SBUSCFG, the range is from 0x
55 used to change AHB burst configuration,
56 meaning of each value. If this property
57 the reset value.
58 $ref: /schemas/types.yaml#/definitions/uin
59 minimum: 0x0
60 maximum: 0x7
61
62 tx-burst-size-dword:
63 description:
64 it is vendor dependent, the tx burst siz
65 register represents the maximum length o
66 words while moving data from system memo
67 of this property will only take effect i
68 is set to 0, if this property is missing
69 hardware implementation will be used.
70 $ref: /schemas/types.yaml#/definitions/uin
71 minimum: 0x0
72 maximum: 0x20
73
74 rx-burst-size-dword:
75 description:
76 it is vendor dependent, the rx burst siz
77 register represents the maximum length o
78 while moving data from the USB bus to sy
79 this property will only take effect if p
80 is set to 0, if this property is missing
81 hardware implementation will be used.
82 $ref: /schemas/types.yaml#/definitions/uin
83 minimum: 0x0
84 maximum: 0x20
85
86 extcon:
87 description:
88 Phandles to external connector devices.
89 to external connector, which provide "US
90 should point to external connector devic
91 cable events. If one of the external con
92 required, empty <0> phandle should be sp
93 $ref: /schemas/types.yaml#/definitions/pha
94 minItems: 1
95 items:
96 - description: vbus extcon
97 - description: id extcon
98
99 phy-clkgate-delay-us:
100 description:
101 The delay time (us) between putting the
102 gating the PHY clock.
103
104 non-zero-ttctrl-ttha:
105 description:
106 After setting this property, the value o
107 will be 0x7f; if not, the value will be
108 value. It needs to be very carefully for
109 is recommended that consult with your IC
110 this value. On the most of chipidea pla
111 at RTL is 0, so this property only affec
112
113 If this property is not set, the max pac
114 if the total of packet size for previous
115 256 bytes, it can't accept any transacti
116 use case is single transaction, but high
117
118 If this property is set, the max packet
119 handle more transactions than above case
120 until it considers the left room size wi
121 bytes, software needs to make sure it do
122 maximum_periodic_data_per_frame. The use
123 transactions, but less frame rate.
124 type: boolean
125
126 mux-controls:
127 description:
128 The mux control for toggling host/device
129 It's expected that a mux state of 0 indi
130 state of 1 indicates host mode.
131 maxItems: 1
132
133 mux-control-names:
134 const: usb_switch
135
136 pinctrl-names:
137 description:
138 Names for optional pin modes in "default
139 In case of HSIC-mode, "idle" and "active
140 In this case, the "idle" state needs to
141 strobe pin and the "active" state needs
142 oneOf:
143 - items:
144 - const: idle
145 - const: active
146 - items:
147 - const: default
148 - const: host
149 - const: device
150 - items:
151 - const: default
152 - enum:
153 - host
154 - device
155 - items:
156 - const: default
157
158 pinctrl-0:
159 maxItems: 1
160
161 pinctrl-1:
162 maxItems: 1
163
164 phys:
165 maxItems: 1
166
167 phy-names:
168 const: usb-phy
169
170 vbus-supply:
171 description: reference to the VBUS regulat
172
173 usb-phy:
174 description: phandle for the PHY device. U
175 maxItems: 1
176 deprecated: true
177
178 port:
179 description:
180 Any connector to the data bus of this co
181 using the OF graph bindings specified, i
182 property is used.
183 $ref: /schemas/graph.yaml#/properties/port
184
185 reset-gpios:
186 maxItems: 1
187
188 dependencies:
189 port: [ usb-role-switch ]
190 mux-controls: [ mux-control-names ]
191
192 required:
193 - reg
194 - interrupts
195
196 allOf:
197 - $ref: usb-hcd.yaml#
198 - $ref: usb-drd.yaml#
199
200 additionalProperties: true
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