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[karo-tx-linux.git] / Documentation / devicetree / bindings / phy / meson8b-usb2-phy.txt
1 * Amlogic Meson8, Meson8b and GXBB USB2 PHY
2
3 Required properties:
4 - compatible:   Depending on the platform this should be one of:
5         "amlogic,meson8-usb2-phy"
6         "amlogic,meson8b-usb2-phy"
7         "amlogic,meson-gxbb-usb2-phy"
8 - reg:          The base address and length of the registers
9 - #phys-cells:  should be 0 (see phy-bindings.txt in this directory)
10 - clocks:       phandle and clock identifier for the phy clocks
11 - clock-names:  "usb_general" and "usb"
12
13 Optional properties:
14 - resets:       reference to the reset controller
15 - phy-supply:   see phy-bindings.txt in this directory
16
17
18 Example:
19
20 usb0_phy: usb-phy@c0000000 {
21         compatible = "amlogic,meson-gxbb-usb2-phy";
22         #phy-cells = <0>;
23         reg = <0x0 0xc0000000 0x0 0x20>;
24         resets = <&reset RESET_USB_OTG>;
25         clocks = <&clkc CLKID_USB>, <&clkc CLKID_USB0>;
26         clock-names = "usb_general", "usb";
27         phy-supply = <&usb_vbus>;
28 };