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[thirdparty/linux.git] / Documentation / devicetree / bindings / usb / renesas,usb3-peri.yaml
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1# SPDX-License-Identifier: GPL-2.0-only
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/usb/renesas,usb3-peri.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas USB 3.0 Peripheral controller
8
9maintainers:
10 - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
11
12properties:
13 compatible:
14 items:
15 - enum:
16 - renesas,r8a774a1-usb3-peri # RZ/G2M
17 - renesas,r8a774b1-usb3-peri # RZ/G2N
18 - renesas,r8a774c0-usb3-peri # RZ/G2E
19 - renesas,r8a7795-usb3-peri # R-Car H3
20 - renesas,r8a7796-usb3-peri # R-Car M3-W
68b1add4 21 - renesas,r8a77961-usb3-peri # R-Car M3-W+
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22 - renesas,r8a77965-usb3-peri # R-Car M3-N
23 - renesas,r8a77990-usb3-peri # R-Car E3
24 - const: renesas,rcar-gen3-usb3-peri
25
26 reg:
27 maxItems: 1
28
29 interrupts:
30 maxItems: 1
31
32 clocks:
33 maxItems: 1
34
35 phys:
36 maxItems: 1
37
38 phy-names:
39 const: usb
40
41 power-domains:
42 maxItems: 1
43
44 resets:
45 maxItems: 1
46
47 usb-role-switch:
48 $ref: /schemas/types.yaml#/definitions/flag
49 description: Support role switch.
50
51 companion:
52 $ref: /schemas/types.yaml#/definitions/phandle
53 description: phandle of a companion.
54
55 port:
56 description: |
57 any connector to the data bus of this controller should be modelled
58 using the OF graph bindings specified, if the "usb-role-switch"
59 property is used.
60
61required:
62 - compatible
63 - interrupts
64 - clocks
65
66additionalProperties: false
67
68examples:
69 - |
70 #include <dt-bindings/clock/r8a774c0-cpg-mssr.h>
71 #include <dt-bindings/interrupt-controller/arm-gic.h>
72 #include <dt-bindings/power/r8a774c0-sysc.h>
73
74 usb3_peri0: usb@ee020000 {
75 compatible = "renesas,r8a774c0-usb3-peri", "renesas,rcar-gen3-usb3-peri";
76 reg = <0 0xee020000 0 0x400>;
77 interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
78 clocks = <&cpg CPG_MOD 328>;
79 companion = <&xhci0>;
80 usb-role-switch;
81
82 port {
83 usb3_role_switch: endpoint {
84 remote-endpoint = <&hd3ss3220_ep>;
85 };
86 };
87 };