xref: /linux/Documentation/devicetree/bindings/phy/allwinner,sun50i-a64-usb-phy.yaml (revision 184e56e77c06a7eef68a021e9d4b11a11a8ab096) 
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          - enum:
24              - allwinner,sun50i-a100-usb-phy
25              - allwinner,sun55i-a523-usb-phy
26          - const: allwinner,sun20i-d1-usb-phy
27
28  reg:
29    items:
30      - description: PHY Control registers
31      - description: PHY PMU0 registers
32      - description: PHY PMU1 registers
33
34  reg-names:
35    items:
36      - const: phy_ctrl
37      - const: pmu0
38      - const: pmu1
39
40  clocks:
41    items:
42      - description: USB OTG PHY bus clock
43      - description: USB Host 0 PHY bus clock
44
45  clock-names:
46    items:
47      - const: usb0_phy
48      - const: usb1_phy
49
50  resets:
51    items:
52      - description: USB OTG reset
53      - description: USB Host 1 Controller reset
54
55  reset-names:
56    items:
57      - const: usb0_reset
58      - const: usb1_reset
59
60  usb0_id_det-gpios:
61    maxItems: 1
62    description: GPIO to the USB OTG ID pin
63
64  usb0_vbus_det-gpios:
65    maxItems: 1
66    description: GPIO to the USB OTG VBUS detect pin
67
68  usb0_vbus_power-supply:
69    description: Power supply to detect the USB OTG VBUS
70
71  usb0_vbus-supply:
72    description: Regulator controlling USB OTG VBUS
73
74  usb1_vbus-supply:
75    description: Regulator controlling USB1 Host controller
76
77required:
78  - "#phy-cells"
79  - compatible
80  - clocks
81  - clock-names
82  - reg
83  - reg-names
84  - resets
85  - reset-names
86
87additionalProperties: false
88
89examples:
90  - |
91    #include <dt-bindings/gpio/gpio.h>
92    #include <dt-bindings/clock/sun50i-a64-ccu.h>
93    #include <dt-bindings/reset/sun50i-a64-ccu.h>
94
95    phy@1c19400 {
96        #phy-cells = <1>;
97        compatible = "allwinner,sun50i-a64-usb-phy";
98        reg = <0x01c19400 0x14>,
99              <0x01c1a800 0x4>,
100              <0x01c1b800 0x4>;
101        reg-names = "phy_ctrl",
102                    "pmu0",
103                    "pmu1";
104        clocks = <&ccu CLK_USB_PHY0>,
105                 <&ccu CLK_USB_PHY1>;
106        clock-names = "usb0_phy",
107                      "usb1_phy";
108        resets = <&ccu RST_USB_PHY0>,
109                 <&ccu RST_USB_PHY1>;
110        reset-names = "usb0_reset",
111                      "usb1_reset";
112        usb0_id_det-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
113        usb0_vbus_power-supply = <&usb_power_supply>;
114        usb0_vbus-supply = <&reg_drivevbus>;
115        usb1_vbus-supply = <&reg_usb1_vbus>;
116    };
117