xref: /freebsd/sys/contrib/device-tree/Bindings/phy/pistachio-usb-phy.txt (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
1c66ec88fSEmmanuel VadotIMG Pistachio USB PHY
2c66ec88fSEmmanuel Vadot=====================
3c66ec88fSEmmanuel Vadot
4c66ec88fSEmmanuel VadotRequired properties:
5c66ec88fSEmmanuel Vadot--------------------
6c66ec88fSEmmanuel Vadot - compatible: Must be "img,pistachio-usb-phy".
7c66ec88fSEmmanuel Vadot - #phy-cells: Must be 0.  See ./phy-bindings.txt for details.
8c66ec88fSEmmanuel Vadot - clocks: Must contain an entry for each entry in clock-names.
9c66ec88fSEmmanuel Vadot   See ../clock/clock-bindings.txt for details.
10c66ec88fSEmmanuel Vadot - clock-names: Must include "usb_phy".
11*aa1a8ff2SEmmanuel Vadot - img,cr-top: Must contain a phandle to the CR_TOP syscon node.
12c66ec88fSEmmanuel Vadot - img,refclk: Indicates the reference clock source for the USB PHY.
13c66ec88fSEmmanuel Vadot   See <dt-bindings/phy/phy-pistachio-usb.h> for a list of valid values.
14c66ec88fSEmmanuel Vadot
15c66ec88fSEmmanuel VadotOptional properties:
16c66ec88fSEmmanuel Vadot--------------------
17c66ec88fSEmmanuel Vadot - phy-supply: USB VBUS supply.  Must supply 5.0V.
18c66ec88fSEmmanuel Vadot
19c66ec88fSEmmanuel VadotExample:
20c66ec88fSEmmanuel Vadot--------
21c66ec88fSEmmanuel Vadotusb_phy: usb-phy {
22c66ec88fSEmmanuel Vadot	compatible = "img,pistachio-usb-phy";
23c66ec88fSEmmanuel Vadot	clocks = <&clk_core CLK_USB_PHY>;
24c66ec88fSEmmanuel Vadot	clock-names = "usb_phy";
25c66ec88fSEmmanuel Vadot	phy-supply = <&usb_vbus>;
26c66ec88fSEmmanuel Vadot	img,refclk = <REFCLK_CLK_CORE>;
27c66ec88fSEmmanuel Vadot	img,cr-top = <&cr_top>;
28c66ec88fSEmmanuel Vadot	#phy-cells = <0>;
29c66ec88fSEmmanuel Vadot};
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