xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/usb/generic-ohci.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/usb/generic-ohci.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: USB OHCI Controller Device Tree Bindings
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunallOf:
10*4882a593Smuzhiyun  - $ref: "usb-hcd.yaml"
11*4882a593Smuzhiyun
12*4882a593Smuzhiyunmaintainers:
13*4882a593Smuzhiyun  - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyunproperties:
16*4882a593Smuzhiyun  compatible:
17*4882a593Smuzhiyun    contains:
18*4882a593Smuzhiyun      const: generic-ohci
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun  reg:
21*4882a593Smuzhiyun    maxItems: 1
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun  interrupts:
24*4882a593Smuzhiyun    maxItems: 1
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun  resets:
27*4882a593Smuzhiyun    minItems: 1
28*4882a593Smuzhiyun    maxItems: 2
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun  clocks:
31*4882a593Smuzhiyun    minItems: 1
32*4882a593Smuzhiyun    maxItems: 3
33*4882a593Smuzhiyun    description: |
34*4882a593Smuzhiyun      In case the Renesas R-Car Gen3 SoCs:
35*4882a593Smuzhiyun        - if a host only channel: first clock should be host.
36*4882a593Smuzhiyun        - if a USB DRD channel: first clock should be host and second
37*4882a593Smuzhiyun          one should be peripheral
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun  power-domains:
40*4882a593Smuzhiyun    maxItems: 1
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun  big-endian:
43*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/flag
44*4882a593Smuzhiyun    description:
45*4882a593Smuzhiyun      Set this flag for HCDs with big endian descriptors and big
46*4882a593Smuzhiyun      endian registers.
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun  big-endian-desc:
49*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/flag
50*4882a593Smuzhiyun    description:
51*4882a593Smuzhiyun      Set this flag for HCDs with big endian descriptors.
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun  big-endian-regs:
54*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/flag
55*4882a593Smuzhiyun    description:
56*4882a593Smuzhiyun      Set this flag for HCDs with big endian registers.
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun  remote-wakeup-connected:
59*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/flag
60*4882a593Smuzhiyun    description:
61*4882a593Smuzhiyun      Remote wakeup is wired on the platform.
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun  no-big-frame-no:
64*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/flag
65*4882a593Smuzhiyun    description:
66*4882a593Smuzhiyun      Set if frame_no lives in bits [15:0] of HCCA
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun  num-ports:
69*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/uint32
70*4882a593Smuzhiyun    description:
71*4882a593Smuzhiyun      Overrides the detected port count
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun  phys:
74*4882a593Smuzhiyun    description: PHY specifier for the USB PHY
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun  phy-names:
77*4882a593Smuzhiyun    const: usb
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun  iommus:
80*4882a593Smuzhiyun    maxItems: 1
81*4882a593Smuzhiyun
82*4882a593Smuzhiyunrequired:
83*4882a593Smuzhiyun  - compatible
84*4882a593Smuzhiyun  - reg
85*4882a593Smuzhiyun  - interrupts
86*4882a593Smuzhiyun
87*4882a593SmuzhiyunadditionalProperties: false
88*4882a593Smuzhiyun
89*4882a593Smuzhiyunexamples:
90*4882a593Smuzhiyun  - |
91*4882a593Smuzhiyun      ohci0: usb@1c14400 {
92*4882a593Smuzhiyun          compatible = "allwinner,sun4i-a10-ohci", "generic-ohci";
93*4882a593Smuzhiyun          reg = <0x01c14400 0x100>;
94*4882a593Smuzhiyun          interrupts = <64>;
95*4882a593Smuzhiyun          clocks = <&usb_clk 6>, <&ahb_gates 2>;
96*4882a593Smuzhiyun          phys = <&usbphy 1>;
97*4882a593Smuzhiyun          phy-names = "usb";
98*4882a593Smuzhiyun      };
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun...
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