1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/allwinner,sun6i-a31-usb-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Allwinner A31 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    const: allwinner,sun6i-a31-usb-phy
19
20  reg:
21    items:
22      - description: PHY Control registers
23      - description: PHY PMU1 registers
24      - description: PHY PMU2 registers
25
26  reg-names:
27    items:
28      - const: phy_ctrl
29      - const: pmu1
30      - const: pmu2
31
32  clocks:
33    items:
34      - description: USB OTG PHY bus clock
35      - description: USB Host 0 PHY bus clock
36      - description: USB Host 1 PHY bus clock
37
38  clock-names:
39    items:
40      - const: usb0_phy
41      - const: usb1_phy
42      - const: usb2_phy
43
44  resets:
45    items:
46      - description: USB OTG reset
47      - description: USB Host 1 Controller reset
48      - description: USB Host 2 Controller reset
49
50  reset-names:
51    items:
52      - const: usb0_reset
53      - const: usb1_reset
54      - const: usb2_reset
55
56  usb0_id_det-gpios:
57    description: GPIO to the USB OTG ID pin
58
59  usb0_vbus_det-gpios:
60    description: GPIO to the USB OTG VBUS detect pin
61
62  usb0_vbus_power-supply:
63    description: Power supply to detect the USB OTG VBUS
64
65  usb0_vbus-supply:
66    description: Regulator controlling USB OTG VBUS
67
68  usb1_vbus-supply:
69    description: Regulator controlling USB1 Host controller
70
71  usb2_vbus-supply:
72    description: Regulator controlling USB2 Host controller
73
74required:
75  - "#phy-cells"
76  - compatible
77  - clocks
78  - clock-names
79  - reg
80  - reg-names
81  - resets
82  - reset-names
83
84additionalProperties: false
85
86examples:
87  - |
88    #include <dt-bindings/gpio/gpio.h>
89    #include <dt-bindings/clock/sun6i-a31-ccu.h>
90    #include <dt-bindings/reset/sun6i-a31-ccu.h>
91
92    phy@1c19400 {
93        #phy-cells = <1>;
94        compatible = "allwinner,sun6i-a31-usb-phy";
95        reg = <0x01c19400 0x10>,
96              <0x01c1a800 0x4>,
97              <0x01c1b800 0x4>;
98        reg-names = "phy_ctrl",
99                    "pmu1",
100                    "pmu2";
101        clocks = <&ccu CLK_USB_PHY0>,
102                 <&ccu CLK_USB_PHY1>,
103                 <&ccu CLK_USB_PHY2>;
104        clock-names = "usb0_phy",
105                      "usb1_phy",
106                      "usb2_phy";
107        resets = <&ccu RST_USB_PHY0>,
108                 <&ccu RST_USB_PHY1>,
109                 <&ccu RST_USB_PHY2>;
110        reset-names = "usb0_reset",
111                      "usb1_reset",
112                      "usb2_reset";
113        usb0_id_det-gpios = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */
114        usb0_vbus_det-gpios = <&pio 0 16 GPIO_ACTIVE_HIGH>; /* PA16 */
115        usb0_vbus_power-supply = <&usb_power_supply>;
116        usb0_vbus-supply = <&reg_drivevbus>;
117        usb1_vbus-supply = <&reg_usb1_vbus>;
118        usb2_vbus-supply = <&reg_usb2_vbus>;
119    };
120