tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/phy-rockchip-inno-usb2.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Rockchip USB2.0 phy with inno IP block
8
9maintainers:
10 - Heiko Stuebner <heiko@sntech.de>
11
12properties:
13 compatible:
14 enum:
15 - rockchip,px30-usb2phy
16 - rockchip,rk3228-usb2phy
17 - rockchip,rk3328-usb2phy
18 - rockchip,rk3366-usb2phy
19 - rockchip,rk3399-usb2phy
20 - rockchip,rv1108-usb2phy
21
22 reg:
23 maxItems: 1
24
25 clock-output-names:
26 description:
27 The usb 480m output clock name.
28
29 "#clock-cells":
30 const: 0
31
32 "#phy-cells":
33 const: 0
34
35 clocks:
36 maxItems: 1
37
38 clock-names:
39 const: phyclk
40
41 assigned-clocks:
42 description:
43 Phandle of the usb 480m clock.
44
45 assigned-clock-parents:
46 description:
47 Parent of the usb 480m clock.
48 Select between usb-phy output 480m and xin24m.
49 Refer to clk/clock-bindings.txt for generic clock consumer properties.
50
51 extcon:
52 description:
53 Phandle to the extcon device providing the cable state for the otg phy.
54
55 rockchip,usbgrf:
56 $ref: /schemas/types.yaml#/definitions/phandle
57 description:
58 Phandle to the syscon managing the 'usb general register files'.
59 When set the driver will request its phandle as one companion-grf
60 for some special SoCs (e.g rv1108).
61
62 host-port:
63 type: object
64 additionalProperties: false
65
66 properties:
67 "#phy-cells":
68 const: 0
69
70 interrupts:
71 description: host linestate interrupt
72
73 interrupt-names:
74 const: linestate
75
76 phy-supply:
77 description:
78 Phandle to a regulator that provides power to VBUS.
79 See ./phy-bindings.txt for details.
80
81 required:
82 - "#phy-cells"
83 - interrupts
84 - interrupt-names
85
86 otg-port:
87 type: object
88 additionalProperties: false
89
90 properties:
91 "#phy-cells":
92 const: 0
93
94 interrupts:
95 minItems: 1
96 maxItems: 3
97
98 interrupt-names:
99 oneOf:
100 - const: linestate
101 - const: otg-mux
102 - items:
103 - const: otg-bvalid
104 - const: otg-id
105 - const: linestate
106
107 phy-supply:
108 description:
109 Phandle to a regulator that provides power to VBUS.
110 See ./phy-bindings.txt for details.
111
112 required:
113 - "#phy-cells"
114 - interrupts
115 - interrupt-names
116
117required:
118 - compatible
119 - reg
120 - clock-output-names
121 - "#clock-cells"
122 - "#phy-cells"
123 - host-port
124 - otg-port
125
126additionalProperties: false
127
128examples:
129 - |
130 #include <dt-bindings/clock/rk3399-cru.h>
131 #include <dt-bindings/interrupt-controller/arm-gic.h>
132 #include <dt-bindings/interrupt-controller/irq.h>
133 u2phy0: usb2-phy@e450 {
134 compatible = "rockchip,rk3399-usb2phy";
135 reg = <0xe450 0x10>;
136 clocks = <&cru SCLK_USB2PHY0_REF>;
137 clock-names = "phyclk";
138 clock-output-names = "clk_usbphy0_480m";
139 #clock-cells = <0>;
140 #phy-cells = <0>;
141
142 u2phy0_host: host-port {
143 #phy-cells = <0>;
144 interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH 0>;
145 interrupt-names = "linestate";
146 };
147
148 u2phy0_otg: otg-port {
149 #phy-cells = <0>;
150 interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH 0>,
151 <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH 0>,
152 <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH 0>;
153 interrupt-names = "otg-bvalid", "otg-id", "linestate";
154 };
155 };