xref: /linux/Documentation/devicetree/bindings/phy/allwinner,sun8i-a23-usb-phy.yaml (revision e5a52fd2b8cdb700b3c07b030e050a49ef3156b9) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/allwinner,sun8i-a23-usb-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Allwinner A23 USB PHY Device Tree Bindings
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-a23-usb-phy
20      - allwinner,sun8i-a33-usb-phy
21
22  reg:
23    items:
24      - description: PHY Control registers
25      - description: PHY PMU1 registers
26
27  reg-names:
28    items:
29      - const: phy_ctrl
30      - const: pmu1
31
32  clocks:
33    items:
34      - description: USB OTG PHY bus clock
35      - description: USB Host 0 PHY bus clock
36
37  clock-names:
38    items:
39      - const: usb0_phy
40      - const: usb1_phy
41
42  resets:
43    items:
44      - description: USB OTG reset
45      - description: USB Host 1 Controller reset
46
47  reset-names:
48    items:
49      - const: usb0_reset
50      - const: usb1_reset
51
52  usb0_id_det-gpios:
53    description: GPIO to the USB OTG ID pin
54
55  usb0_vbus_det-gpios:
56    description: GPIO to the USB OTG VBUS detect pin
57
58  usb0_vbus_power-supply:
59    description: Power supply to detect the USB OTG VBUS
60
61  usb0_vbus-supply:
62    description: Regulator controlling USB OTG VBUS
63
64  usb1_vbus-supply:
65    description: Regulator controlling USB1 Host controller
66
67required:
68  - "#phy-cells"
69  - compatible
70  - clocks
71  - clock-names
72  - reg
73  - reg-names
74  - resets
75  - reset-names
76
77additionalProperties: false
78
79examples:
80  - |
81    #include <dt-bindings/gpio/gpio.h>
82    #include <dt-bindings/clock/sun8i-a23-a33-ccu.h>
83    #include <dt-bindings/reset/sun8i-a23-a33-ccu.h>
84
85    phy@1c19400 {
86        #phy-cells = <1>;
87        compatible = "allwinner,sun8i-a23-usb-phy";
88        reg = <0x01c19400 0x10>, <0x01c1a800 0x4>;
89        reg-names = "phy_ctrl", "pmu1";
90        clocks = <&ccu CLK_USB_PHY0>,
91                 <&ccu CLK_USB_PHY1>;
92        clock-names = "usb0_phy",
93                      "usb1_phy";
94        resets = <&ccu RST_USB_PHY0>,
95                 <&ccu RST_USB_PHY1>;
96        reset-names = "usb0_reset",
97                      "usb1_reset";
98        usb0_id_det-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
99        usb0_vbus_power-supply = <&usb_power_supply>;
100        usb0_vbus-supply = <&reg_drivevbus>;
101        usb1_vbus-supply = <&reg_usb1_vbus>;
102    };
103