xref: /openbmc/linux/Documentation/devicetree/bindings/phy/pistachio-usb-phy.txt (revision c900529f3d9161bfde5cca0754f83b4d3c3e0220)
190bc35c5SAndrew BrestickerIMG Pistachio USB PHY
290bc35c5SAndrew Bresticker=====================
390bc35c5SAndrew Bresticker
490bc35c5SAndrew BrestickerRequired properties:
590bc35c5SAndrew Bresticker--------------------
690bc35c5SAndrew Bresticker - compatible: Must be "img,pistachio-usb-phy".
790bc35c5SAndrew Bresticker - #phy-cells: Must be 0.  See ./phy-bindings.txt for details.
890bc35c5SAndrew Bresticker - clocks: Must contain an entry for each entry in clock-names.
990bc35c5SAndrew Bresticker   See ../clock/clock-bindings.txt for details.
1090bc35c5SAndrew Bresticker - clock-names: Must include "usb_phy".
11*47aab533SBjorn Helgaas - img,cr-top: Must contain a phandle to the CR_TOP syscon node.
1290bc35c5SAndrew Bresticker - img,refclk: Indicates the reference clock source for the USB PHY.
1390bc35c5SAndrew Bresticker   See <dt-bindings/phy/phy-pistachio-usb.h> for a list of valid values.
1490bc35c5SAndrew Bresticker
1590bc35c5SAndrew BrestickerOptional properties:
1690bc35c5SAndrew Bresticker--------------------
1790bc35c5SAndrew Bresticker - phy-supply: USB VBUS supply.  Must supply 5.0V.
1890bc35c5SAndrew Bresticker
1990bc35c5SAndrew BrestickerExample:
2090bc35c5SAndrew Bresticker--------
2190bc35c5SAndrew Brestickerusb_phy: usb-phy {
2290bc35c5SAndrew Bresticker	compatible = "img,pistachio-usb-phy";
2390bc35c5SAndrew Bresticker	clocks = <&clk_core CLK_USB_PHY>;
2490bc35c5SAndrew Bresticker	clock-names = "usb_phy";
2590bc35c5SAndrew Bresticker	phy-supply = <&usb_vbus>;
2690bc35c5SAndrew Bresticker	img,refclk = <REFCLK_CLK_CORE>;
2790bc35c5SAndrew Bresticker	img,cr-top = <&cr_top>;
2890bc35c5SAndrew Bresticker	#phy-cells = <0>;
2990bc35c5SAndrew Bresticker};
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