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
7 title: Allwinner A13 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 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 maxItems: 1
49 description: GPIO to the USB OTG ID pin
50
51 usb0_vbus_det-gpios:
52 maxItems: 1
53 description: GPIO to the USB OTG VBUS detect pin
54
55 usb0_vbus_power-supply:
56 description: Power supply to detect the USB OTG VBUS
57
58 usb0_vbus-supply:
59 description: Regulator controlling USB OTG VBUS
60
61 usb1_vbus-supply:
62 description: Regulator controlling USB1 Host controller
63
64 required:
65 - "#phy-cells"
66 - compatible
67 - clocks
68 - clock-names
69 - reg
70 - reg-names
71 - resets
72 - reset-names
73
74 additionalProperties: false
75
76 examples:
77 - |
78 #include <dt-bindings/gpio/gpio.h>
79 #include <dt-bindings/clock/sun5i-ccu.h>
80 #include <dt-bindings/reset/sun5i-ccu.h>
81
82 phy@1c13400 {
83 #phy-cells = <1>;
84 compatible = "allwinner,sun5i-a13-usb-phy";
85 reg = <0x01c13400 0x10>, <0x01c14800 0x4>;
86 reg-names = "phy_ctrl", "pmu1";
87 clocks = <&ccu CLK_USB_PHY0>;
88 clock-names = "usb_phy";
89 resets = <&ccu RST_USB_PHY0>, <&ccu RST_USB_PHY1>;
90 reset-names = "usb0_reset", "usb1_reset";
91 usb0_id_det-gpios = <&pio 6 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PG2 */
92 usb0_vbus_det-gpios = <&pio 6 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PG1 */
93 usb0_vbus-supply = <®_usb0_vbus>;
94 usb1_vbus-supply = <®_usb1_vbus>;
95 };
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