mirror_ubuntu-kernels/Documentation/devicetree/bindings/phy/pistachio-usb-phy.txt

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IMG Pistachio USB PHY
=====================
Required properties:
--------------------
- compatible: Must be "img,pistachio-usb-phy".
- #phy-cells: Must be 0. See ./phy-bindings.txt for details.
- clocks: Must contain an entry for each entry in clock-names.
See ../clock/clock-bindings.txt for details.
- clock-names: Must include "usb_phy".
- img,cr-top: Must contain a phandle to the CR_TOP syscon node.
- img,refclk: Indicates the reference clock source for the USB PHY.
See <dt-bindings/phy/phy-pistachio-usb.h> for a list of valid values.
Optional properties:
--------------------
- phy-supply: USB VBUS supply. Must supply 5.0V.
Example:
--------
usb_phy: usb-phy {
compatible = "img,pistachio-usb-phy";
clocks = <&clk_core CLK_USB_PHY>;
clock-names = "usb_phy";
phy-supply = <&usb_vbus>;
img,refclk = <REFCLK_CLK_CORE>;
img,cr-top = <&cr_top>;
#phy-cells = <0>;
};