1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,sun9i-a80-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Allwinner A80 USB PHY
8
9 maintainers:
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
12
13 properties:
14 "#phy-cells":
15 const: 0
16
17 compatible:
18 const: allwinner,sun9i-a80-usb-phy
19
20 reg:
21 maxItems: 1
22
23 clocks:
24 anyOf:
25 - maxItems: 1
26 description: Main PHY Clock
27
28 - items:
29 - description: Main PHY clock
30 - description: HSIC 12MHz clock
31 - description: HSIC 480MHz clock
32
33 clock-names:
34 oneOf:
35 - const: phy
36
37 - items:
38 - const: phy
39 - const: hsic_12M
40 - const: hsic_480M
41
42 resets:
43 minItems: 1
44 items:
45 - description: Normal USB PHY reset
46 - description: HSIC Reset
47
48 reset-names:
49 minItems: 1
50 items:
51 - const: phy
52 - const: hsic
53
54 phy_type:
55 const: hsic
56 description:
57 When absent, the PHY type will be assumed to be normal USB.
58
59 phy-supply:
60 description:
61 Regulator that powers VBUS
62
63 required:
64 - "#phy-cells"
65 - compatible
66 - reg
67 - clocks
68 - clock-names
69 - resets
70 - reset-names
71
72 additionalProperties: false
73
74 if:
75 properties:
76 phy_type:
77 const: hsic
78
79 required:
80 - phy_type
81
82 then:
83 properties:
84 clocks:
85 maxItems: 3
86
87 clock-names:
88 maxItems: 3
89
90 resets:
91 maxItems: 2
92
93 reset-names:
94 maxItems: 2
95
96 examples:
97 - |
98 #include <dt-bindings/clock/sun9i-a80-usb.h>
99 #include <dt-bindings/reset/sun9i-a80-usb.h>
100
101 usbphy1: phy@a00800 {
102 compatible = "allwinner,sun9i-a80-usb-phy";
103 reg = <0x00a00800 0x4>;
104 clocks = <&usb_clocks CLK_USB0_PHY>;
105 clock-names = "phy";
106 resets = <&usb_clocks RST_USB0_PHY>;
107 reset-names = "phy";
108 phy-supply = <®_usb1_vbus>;
109 #phy-cells = <0>;
110 };
111
112 - |
113 #include <dt-bindings/clock/sun9i-a80-usb.h>
114 #include <dt-bindings/reset/sun9i-a80-usb.h>
115
116 usbphy3: phy@a02800 {
117 compatible = "allwinner,sun9i-a80-usb-phy";
118 reg = <0x00a02800 0x4>;
119 clocks = <&usb_clocks CLK_USB2_PHY>,
120 <&usb_clocks CLK_USB_HSIC>,
121 <&usb_clocks CLK_USB2_HSIC>;
122 clock-names = "phy",
123 "hsic_12M",
124 "hsic_480M";
125 resets = <&usb_clocks RST_USB2_PHY>,
126 <&usb_clocks RST_USB2_HSIC>;
127 reset-names = "phy",
128 "hsic";
129 phy_type = "hsic";
130 phy-supply = <®_usb3_vbus>;
131 #phy-cells = <0>;
132 };
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