xref: /linux/Documentation/devicetree/bindings/phy/allwinner,sun50i-a64-usb-phy.yaml (revision 7f71507851fc7764b36a3221839607d3a45c2025) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/allwinner,sun50i-a64-usb-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Allwinner A64 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    oneOf:
19      - enum:
20          - allwinner,sun20i-d1-usb-phy
21          - allwinner,sun50i-a64-usb-phy
22      - items:
23          - const: allwinner,sun50i-a100-usb-phy
24          - const: allwinner,sun20i-d1-usb-phy
25
26  reg:
27    items:
28      - description: PHY Control registers
29      - description: PHY PMU0 registers
30      - description: PHY PMU1 registers
31
32  reg-names:
33    items:
34      - const: phy_ctrl
35      - const: pmu0
36      - const: pmu1
37
38  clocks:
39    items:
40      - description: USB OTG PHY bus clock
41      - description: USB Host 0 PHY bus clock
42
43  clock-names:
44    items:
45      - const: usb0_phy
46      - const: usb1_phy
47
48  resets:
49    items:
50      - description: USB OTG reset
51      - description: USB Host 1 Controller reset
52
53  reset-names:
54    items:
55      - const: usb0_reset
56      - const: usb1_reset
57
58  usb0_id_det-gpios:
59    maxItems: 1
60    description: GPIO to the USB OTG ID pin
61
62  usb0_vbus_det-gpios:
63    maxItems: 1
64    description: GPIO to the USB OTG VBUS detect pin
65
66  usb0_vbus_power-supply:
67    description: Power supply to detect the USB OTG VBUS
68
69  usb0_vbus-supply:
70    description: Regulator controlling USB OTG VBUS
71
72  usb1_vbus-supply:
73    description: Regulator controlling USB1 Host controller
74
75required:
76  - "#phy-cells"
77  - compatible
78  - clocks
79  - clock-names
80  - reg
81  - reg-names
82  - resets
83  - reset-names
84
85additionalProperties: false
86
87examples:
88  - |
89    #include <dt-bindings/gpio/gpio.h>
90    #include <dt-bindings/clock/sun50i-a64-ccu.h>
91    #include <dt-bindings/reset/sun50i-a64-ccu.h>
92
93    phy@1c19400 {
94        #phy-cells = <1>;
95        compatible = "allwinner,sun50i-a64-usb-phy";
96        reg = <0x01c19400 0x14>,
97              <0x01c1a800 0x4>,
98              <0x01c1b800 0x4>;
99        reg-names = "phy_ctrl",
100                    "pmu0",
101                    "pmu1";
102        clocks = <&ccu CLK_USB_PHY0>,
103                 <&ccu CLK_USB_PHY1>;
104        clock-names = "usb0_phy",
105                      "usb1_phy";
106        resets = <&ccu RST_USB_PHY0>,
107                 <&ccu RST_USB_PHY1>;
108        reset-names = "usb0_reset",
109                      "usb1_reset";
110        usb0_id_det-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
111        usb0_vbus_power-supply = <&usb_power_supply>;
112        usb0_vbus-supply = <&reg_drivevbus>;
113        usb1_vbus-supply = <&reg_usb1_vbus>;
114    };
115