xref: /linux/Documentation/devicetree/bindings/phy/allwinner,sun8i-h3-usb-phy.yaml (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/allwinner,sun8i-h3-usb-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Allwinner H3 USB PHY
8
9maintainers:
10  - Chen-Yu Tsai <wens@csie.org>
11  - Maxime Ripard <mripard@kernel.org>
12
13properties:
14  "#phy-cells":
15    const: 1
16
17  compatible:
18    enum:
19      - allwinner,sun8i-h3-usb-phy
20      - allwinner,sun50i-h616-usb-phy
21
22  reg:
23    items:
24      - description: PHY Control registers
25      - description: PHY PMU0 registers
26      - description: PHY PMU1 registers
27      - description: PHY PMU2 registers
28      - description: PHY PMU3 registers
29
30  reg-names:
31    items:
32      - const: phy_ctrl
33      - const: pmu0
34      - const: pmu1
35      - const: pmu2
36      - const: pmu3
37
38  clocks:
39    minItems: 4
40    items:
41      - description: USB OTG PHY bus clock
42      - description: USB Host 0 PHY bus clock
43      - description: USB Host 1 PHY bus clock
44      - description: USB Host 2 PHY bus clock
45      - description: PMU clock for host port 2
46
47  clock-names:
48    minItems: 4
49    items:
50      - const: usb0_phy
51      - const: usb1_phy
52      - const: usb2_phy
53      - const: usb3_phy
54      - const: pmu2_clk
55
56  resets:
57    items:
58      - description: USB OTG reset
59      - description: USB Host 1 Controller reset
60      - description: USB Host 2 Controller reset
61      - description: USB Host 3 Controller reset
62
63  reset-names:
64    items:
65      - const: usb0_reset
66      - const: usb1_reset
67      - const: usb2_reset
68      - const: usb3_reset
69
70  usb0_id_det-gpios:
71    maxItems: 1
72    description: GPIO to the USB OTG ID pin
73
74  usb0_vbus_det-gpios:
75    maxItems: 1
76    description: GPIO to the USB OTG VBUS detect pin
77
78  usb0_vbus_power-supply:
79    description: Power supply to detect the USB OTG VBUS
80
81  usb0_vbus-supply:
82    description: Regulator controlling USB OTG VBUS
83
84  usb1_vbus-supply:
85    description: Regulator controlling USB1 Host controller
86
87  usb2_vbus-supply:
88    description: Regulator controlling USB2 Host controller
89
90  usb3_vbus-supply:
91    description: Regulator controlling USB3 Host controller
92
93required:
94  - "#phy-cells"
95  - compatible
96  - clocks
97  - clock-names
98  - reg
99  - reg-names
100  - resets
101  - reset-names
102
103allOf:
104  - if:
105      properties:
106        compatible:
107          contains:
108            enum:
109              - allwinner,sun50i-h616-usb-phy
110    then:
111      properties:
112        clocks:
113          minItems: 5
114
115        clock-names:
116          minItems: 5
117    else:
118      properties:
119        clocks:
120          maxItems: 4
121
122        clock-names:
123          maxItems: 4
124
125additionalProperties: false
126
127examples:
128  - |
129    #include <dt-bindings/gpio/gpio.h>
130    #include <dt-bindings/clock/sun8i-h3-ccu.h>
131    #include <dt-bindings/reset/sun8i-h3-ccu.h>
132
133    phy@1c19400 {
134        #phy-cells = <1>;
135        compatible = "allwinner,sun8i-h3-usb-phy";
136        reg = <0x01c19400 0x2c>,
137              <0x01c1a800 0x4>,
138              <0x01c1b800 0x4>,
139              <0x01c1c800 0x4>,
140              <0x01c1d800 0x4>;
141        reg-names = "phy_ctrl",
142                    "pmu0",
143                    "pmu1",
144                    "pmu2",
145                    "pmu3";
146        clocks = <&ccu CLK_USB_PHY0>,
147                 <&ccu CLK_USB_PHY1>,
148                 <&ccu CLK_USB_PHY2>,
149                 <&ccu CLK_USB_PHY3>;
150        clock-names = "usb0_phy",
151                      "usb1_phy",
152                      "usb2_phy",
153                      "usb3_phy";
154        resets = <&ccu RST_USB_PHY0>,
155                 <&ccu RST_USB_PHY1>,
156                 <&ccu RST_USB_PHY2>,
157                 <&ccu RST_USB_PHY3>;
158        reset-names = "usb0_reset",
159                      "usb1_reset",
160                      "usb2_reset",
161                      "usb3_reset";
162        usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
163        usb0_vbus-supply = <&reg_usb0_vbus>;
164        usb1_vbus-supply = <&reg_usb1_vbus>;
165        usb2_vbus-supply = <&reg_usb2_vbus>;
166        usb3_vbus-supply = <&reg_usb3_vbus>;
167    };
168