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Documentation / devicetree / bindings / phy / sun4i-usb-phy.txt


Based on kernel version 4.16.1. Page generated on 2018-04-09 11:52 EST.

1	Allwinner sun4i USB PHY
2	-----------------------
3	
4	Required properties:
5	- compatible : should be one of
6	  * allwinner,sun4i-a10-usb-phy
7	  * allwinner,sun5i-a13-usb-phy
8	  * allwinner,sun6i-a31-usb-phy
9	  * allwinner,sun7i-a20-usb-phy
10	  * allwinner,sun8i-a23-usb-phy
11	  * allwinner,sun8i-a33-usb-phy
12	  * allwinner,sun8i-a83t-usb-phy
13	  * allwinner,sun8i-h3-usb-phy
14	  * allwinner,sun8i-v3s-usb-phy
15	  * allwinner,sun50i-a64-usb-phy
16	- reg : a list of offset + length pairs
17	- reg-names :
18	  * "phy_ctrl"
19	  * "pmu0" for H3, V3s and A64
20	  * "pmu1"
21	  * "pmu2" for sun4i, sun6i, sun7i, sun8i-a83t or sun8i-h3
22	  * "pmu3" for sun8i-h3
23	- #phy-cells : from the generic phy bindings, must be 1
24	- clocks : phandle + clock specifier for the phy clocks
25	- clock-names :
26	  * "usb_phy" for sun4i, sun5i or sun7i
27	  * "usb0_phy", "usb1_phy" and "usb2_phy" for sun6i
28	  * "usb0_phy", "usb1_phy" for sun8i
29	  * "usb0_phy", "usb1_phy", "usb2_phy" and "usb2_hsic_12M" for sun8i-a83t
30	  * "usb0_phy", "usb1_phy", "usb2_phy" and "usb3_phy" for sun8i-h3
31	- resets : a list of phandle + reset specifier pairs
32	- reset-names :
33	  * "usb0_reset"
34	  * "usb1_reset"
35	  * "usb2_reset" for sun4i, sun6i, sun7i, sun8i-a83t or sun8i-h3
36	  * "usb3_reset" for sun8i-h3
37	
38	Optional properties:
39	- usb0_id_det-gpios : gpio phandle for reading the otg id pin value
40	- usb0_vbus_det-gpios : gpio phandle for detecting the presence of usb0 vbus
41	- usb0_vbus_power-supply: power-supply phandle for usb0 vbus presence detect
42	- usb0_vbus-supply : regulator phandle for controller usb0 vbus
43	- usb1_vbus-supply : regulator phandle for controller usb1 vbus
44	- usb2_vbus-supply : regulator phandle for controller usb2 vbus
45	- usb3_vbus-supply : regulator phandle for controller usb3 vbus
46	
47	Example:
48		usbphy: phy@01c13400 {
49			#phy-cells = <1>;
50			compatible = "allwinner,sun4i-a10-usb-phy";
51			/* phy base regs, phy1 pmu reg, phy2 pmu reg */
52			reg = <0x01c13400 0x10 0x01c14800 0x4 0x01c1c800 0x4>;
53			reg-names = "phy_ctrl", "pmu1", "pmu2";
54			clocks = <&usb_clk 8>;
55			clock-names = "usb_phy";
56			resets = <&usb_clk 0>, <&usb_clk 1>, <&usb_clk 2>;
57			reset-names = "usb0_reset", "usb1_reset", "usb2_reset";
58			pinctrl-names = "default";
59			pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
60			usb0_id_det-gpios = <&pio 7 19 GPIO_ACTIVE_HIGH>; /* PH19 */
61			usb0_vbus_det-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>; /* PH22 */
62			usb0_vbus-supply = <&reg_usb0_vbus>;
63			usb1_vbus-supply = <&reg_usb1_vbus>;
64			usb2_vbus-supply = <&reg_usb2_vbus>;
65		};
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