1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/allwinner,sun5i-a13-usb-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Allwinner A13 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,sun5i-a13-usb-phy
19
20  reg:
21    items:
22      - description: PHY Control registers
23      - description: PHY PMU1 registers
24
25  reg-names:
26    items:
27      - const: phy_ctrl
28      - const: pmu1
29
30  clocks:
31    maxItems: 1
32    description: USB OTG PHY bus clock
33
34  clock-names:
35    const: usb_phy
36
37  resets:
38    items:
39      - description: USB OTG reset
40      - description: USB Host 1 Controller reset
41
42  reset-names:
43    items:
44      - const: usb0_reset
45      - const: usb1_reset
46
47  usb0_id_det-gpios:
48    description: GPIO to the USB OTG ID pin
49
50  usb0_vbus_det-gpios:
51    description: GPIO to the USB OTG VBUS detect pin
52
53  usb0_vbus_power-supply:
54    description: Power supply to detect the USB OTG VBUS
55
56  usb0_vbus-supply:
57    description: Regulator controlling USB OTG VBUS
58
59  usb1_vbus-supply:
60    description: Regulator controlling USB1 Host controller
61
62required:
63  - "#phy-cells"
64  - compatible
65  - clocks
66  - clock-names
67  - reg
68  - reg-names
69  - resets
70  - reset-names
71
72additionalProperties: false
73
74examples:
75  - |
76    #include <dt-bindings/gpio/gpio.h>
77    #include <dt-bindings/clock/sun5i-ccu.h>
78    #include <dt-bindings/reset/sun5i-ccu.h>
79
80    phy@1c13400 {
81        #phy-cells = <1>;
82        compatible = "allwinner,sun5i-a13-usb-phy";
83        reg = <0x01c13400 0x10>, <0x01c14800 0x4>;
84        reg-names = "phy_ctrl", "pmu1";
85        clocks = <&ccu CLK_USB_PHY0>;
86        clock-names = "usb_phy";
87        resets = <&ccu RST_USB_PHY0>, <&ccu RST_USB_PHY1>;
88        reset-names = "usb0_reset", "usb1_reset";
89        usb0_id_det-gpios = <&pio 6 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PG2 */
90        usb0_vbus_det-gpios = <&pio 6 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PG1 */
91        usb0_vbus-supply = <&reg_usb0_vbus>;
92        usb1_vbus-supply = <&reg_usb1_vbus>;
93    };
94