xref: /linux/Documentation/devicetree/bindings/phy/allwinner,sun8i-a23-usb-phy.yaml (revision 702648721db590b3425c31ade294000e18808345) 
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
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    maxItems: 1
54    description: GPIO to the USB OTG ID pin
55
56  usb0_vbus_det-gpios:
57    maxItems: 1
58    description: GPIO to the USB OTG VBUS detect pin
59
60  usb0_vbus_power-supply:
61    description: Power supply to detect the USB OTG VBUS
62
63  usb0_vbus-supply:
64    description: Regulator controlling USB OTG VBUS
65
66  usb1_vbus-supply:
67    description: Regulator controlling USB1 Host controller
68
69required:
70  - "#phy-cells"
71  - compatible
72  - clocks
73  - clock-names
74  - reg
75  - reg-names
76  - resets
77  - reset-names
78
79additionalProperties: false
80
81examples:
82  - |
83    #include <dt-bindings/gpio/gpio.h>
84    #include <dt-bindings/clock/sun8i-a23-a33-ccu.h>
85    #include <dt-bindings/reset/sun8i-a23-a33-ccu.h>
86
87    phy@1c19400 {
88        #phy-cells = <1>;
89        compatible = "allwinner,sun8i-a23-usb-phy";
90        reg = <0x01c19400 0x10>, <0x01c1a800 0x4>;
91        reg-names = "phy_ctrl", "pmu1";
92        clocks = <&ccu CLK_USB_PHY0>,
93                 <&ccu CLK_USB_PHY1>;
94        clock-names = "usb0_phy",
95                      "usb1_phy";
96        resets = <&ccu RST_USB_PHY0>,
97                 <&ccu RST_USB_PHY1>;
98        reset-names = "usb0_reset",
99                      "usb1_reset";
100        usb0_id_det-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
101        usb0_vbus_power-supply = <&usb_power_supply>;
102        usb0_vbus-supply = <&reg_drivevbus>;
103        usb1_vbus-supply = <&reg_usb1_vbus>;
104    };
105