1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,sun8i-a23-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Allwinner A23 USB PHY
8
9 maintainers:
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
12
13 properties:
14 "#phy-cells":
15 const: 1
16
17 compatible:
18 enum:
19 - allwinner,sun8i-a23-usb-phy
20 - allwinner,sun8i-a33-usb-phy
21
22 reg:
23 items:
24 - description: PHY Control registers
25 - description: PHY PMU1 registers
26
27 reg-names:
28 items:
29 - const: phy_ctrl
30 - const: pmu1
31
32 clocks:
33 items:
34 - description: USB OTG PHY bus clock
35 - description: USB Host 0 PHY bus clock
36
37 clock-names:
38 items:
39 - const: usb0_phy
40 - const: usb1_phy
41
42 resets:
43 items:
44 - description: USB OTG reset
45 - description: USB Host 1 Controller reset
46
47 reset-names:
48 items:
49 - const: usb0_reset
50 - const: usb1_reset
51
52 usb0_id_det-gpios:
53 maxItems: 1
54 description: GPIO to the USB OTG ID pin
55
56 usb0_vbus_det-gpios:
57 maxItems: 1
58 description: GPIO to the USB OTG VBUS detect pin
59
60 usb0_vbus_power-supply:
61 description: Power supply to detect the USB OTG VBUS
62
63 usb0_vbus-supply:
64 description: Regulator controlling USB OTG VBUS
65
66 usb1_vbus-supply:
67 description: Regulator controlling USB1 Host controller
68
69 required:
70 - "#phy-cells"
71 - compatible
72 - clocks
73 - clock-names
74 - reg
75 - reg-names
76 - resets
77 - reset-names
78
79 additionalProperties: false
80
81 examples:
82 - |
83 #include <dt-bindings/gpio/gpio.h>
84 #include <dt-bindings/clock/sun8i-a23-a33-ccu.h>
85 #include <dt-bindings/reset/sun8i-a23-a33-ccu.h>
86
87 phy@1c19400 {
88 #phy-cells = <1>;
89 compatible = "allwinner,sun8i-a23-usb-phy";
90 reg = <0x01c19400 0x10>, <0x01c1a800 0x4>;
91 reg-names = "phy_ctrl", "pmu1";
92 clocks = <&ccu CLK_USB_PHY0>,
93 <&ccu CLK_USB_PHY1>;
94 clock-names = "usb0_phy",
95 "usb1_phy";
96 resets = <&ccu RST_USB_PHY0>,
97 <&ccu RST_USB_PHY1>;
98 reset-names = "usb0_reset",
99 "usb1_reset";
100 usb0_id_det-gpios = <&pio 1 3 GPIO_ACTIVE_HIGH>; /* PB3 */
101 usb0_vbus_power-supply = <&usb_power_supply>;
102 usb0_vbus-supply = <®_drivevbus>;
103 usb1_vbus-supply = <®_usb1_vbus>;
104 };
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