1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (c) 2020 MediaTek
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/usb/mediatek,musb.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: MediaTek MUSB DRD/OTG Controller
9
10 maintainers:
11 - Min Guo <min.guo@mediatek.com>
12
13 properties:
14 $nodename:
15 pattern: '^usb@[0-9a-f]+$'
16
17 compatible:
18 items:
19 - enum:
20 - mediatek,mt8516-musb
21 - mediatek,mt2701-musb
22 - mediatek,mt7623-musb
23 - const: mediatek,mtk-musb
24
25 reg:
26 maxItems: 1
27
28 interrupts:
29 maxItems: 1
30
31 interrupt-names:
32 items:
33 - const: mc
34
35 clocks:
36 items:
37 - description: The main/core clock
38 - description: The system bus clock
39 - description: The 48Mhz clock
40
41 clock-names:
42 items:
43 - const: main
44 - const: mcu
45 - const: univpll
46
47 phys:
48 maxItems: 1
49
50 usb-role-switch:
51 $ref: /schemas/types.yaml#/definitions/flag
52 description: Support role switch. See usb/generic.txt
53 type: boolean
54
55 dr_mode:
56 enum:
57 - host
58 - otg
59 - peripheral
60
61 power-domains:
62 description: A phandle to USB power domain node to control USB's MTCMOS
63 maxItems: 1
64
65 connector:
66 $ref: /schemas/connector/usb-connector.yaml#
67 description: Connector for dual role switch
68 type: object
69
70 dependencies:
71 usb-role-switch: [ connector ]
72 connector: [ usb-role-switch ]
73
74 required:
75 - compatible
76 - reg
77 - interrupts
78 - interrupt-names
79 - phys
80 - clocks
81 - clock-names
82
83 additionalProperties: false
84
85 examples:
86 - |
87 #include <dt-bindings/clock/mt2701-clk.h>
88 #include <dt-bindings/gpio/gpio.h>
89 #include <dt-bindings/interrupt-controller/arm-gic.h>
90 #include <dt-bindings/interrupt-controller/irq.h>
91 #include <dt-bindings/phy/phy.h>
92 #include <dt-bindings/power/mt2701-power.h>
93
94 usb@11200000 {
95 compatible = "mediatek,mt2701-musb", "mediatek,mtk-musb";
96 reg = <0x11200000 0x1000>;
97 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
98 interrupt-names = "mc";
99 phys = <&u2port2 PHY_TYPE_USB2>;
100 dr_mode = "otg";
101 clocks = <&pericfg CLK_PERI_USB0>,
102 <&pericfg CLK_PERI_USB0_MCU>,
103 <&pericfg CLK_PERI_USB_SLV>;
104 clock-names = "main","mcu","univpll";
105 power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>;
106 usb-role-switch;
107
108 connector {
109 compatible = "gpio-usb-b-connector", "usb-b-connector";
110 type = "micro";
111 id-gpios = <&pio 44 GPIO_ACTIVE_HIGH>;
112 vbus-supply = <&usb_vbus>;
113 };
114 };
115 ...
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