xref: /linux/Documentation/devicetree/bindings/phy/allwinner,sun4i-a10-usb-phy.yaml (revision 4f2c0a4acffbec01079c28f839422e64ddeff004) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/allwinner,sun4i-a10-usb-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Allwinner A10 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,sun4i-a10-usb-phy
20      - allwinner,sun7i-a20-usb-phy
21
22  reg:
23    items:
24      - description: PHY Control registers
25      - description: PHY PMU1 registers
26      - description: PHY PMU2 registers
27
28  reg-names:
29    items:
30      - const: phy_ctrl
31      - const: pmu1
32      - const: pmu2
33
34  clocks:
35    maxItems: 1
36    description: USB PHY bus clock
37
38  clock-names:
39    const: usb_phy
40
41  resets:
42    items:
43      - description: USB OTG reset
44      - description: USB Host 1 Controller reset
45      - description: USB Host 2 Controller reset
46
47  reset-names:
48    items:
49      - const: usb0_reset
50      - const: usb1_reset
51      - const: usb2_reset
52
53  usb0_id_det-gpios:
54    maxItems: 1
55    description: GPIO to the USB OTG ID pin
56
57  usb0_vbus_det-gpios:
58    maxItems: 1
59    description: GPIO to the USB OTG VBUS detect pin
60
61  usb0_vbus_power-supply:
62    description: Power supply to detect the USB OTG VBUS
63
64  usb0_vbus-supply:
65    description: Regulator controlling USB OTG VBUS
66
67  usb1_vbus-supply:
68    description: Regulator controlling USB1 Host controller
69
70  usb2_vbus-supply:
71    description: Regulator controlling USB2 Host controller
72
73required:
74  - "#phy-cells"
75  - compatible
76  - clocks
77  - clock-names
78  - reg
79  - reg-names
80  - resets
81  - reset-names
82
83additionalProperties: false
84
85examples:
86  - |
87    #include <dt-bindings/gpio/gpio.h>
88    #include <dt-bindings/clock/sun4i-a10-ccu.h>
89    #include <dt-bindings/reset/sun4i-a10-ccu.h>
90
91    usbphy: phy@1c13400 {
92        #phy-cells = <1>;
93        compatible = "allwinner,sun4i-a10-usb-phy";
94        reg = <0x01c13400 0x10>, <0x01c14800 0x4>, <0x01c1c800 0x4>;
95        reg-names = "phy_ctrl", "pmu1", "pmu2";
96        clocks = <&ccu CLK_USB_PHY>;
97        clock-names = "usb_phy";
98        resets = <&ccu RST_USB_PHY0>,
99                 <&ccu RST_USB_PHY1>,
100                 <&ccu RST_USB_PHY2>;
101        reset-names = "usb0_reset", "usb1_reset", "usb2_reset";
102        usb0_id_det-gpios = <&pio 7 19 GPIO_ACTIVE_HIGH>;
103        usb0_vbus_det-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>;
104        usb0_vbus-supply = <&reg_usb0_vbus>;
105        usb1_vbus-supply = <&reg_usb1_vbus>;
106        usb2_vbus-supply = <&reg_usb2_vbus>;
107    };
108