The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/phy/pistachio-usb-phy.txt

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    1 IMG Pistachio USB PHY
    2 =====================
    3 
    4 Required properties:
    5 --------------------
    6  - compatible: Must be "img,pistachio-usb-phy".
    7  - #phy-cells: Must be 0.  See ./phy-bindings.txt for details.
    8  - clocks: Must contain an entry for each entry in clock-names.
    9    See ../clock/clock-bindings.txt for details.
   10  - clock-names: Must include "usb_phy".
   11  - img,cr-top: Must constain a phandle to the CR_TOP syscon node.
   12  - img,refclk: Indicates the reference clock source for the USB PHY.
   13    See <dt-bindings/phy/phy-pistachio-usb.h> for a list of valid values.
   14 
   15 Optional properties:
   16 --------------------
   17  - phy-supply: USB VBUS supply.  Must supply 5.0V.
   18 
   19 Example:
   20 --------
   21 usb_phy: usb-phy {
   22         compatible = "img,pistachio-usb-phy";
   23         clocks = <&clk_core CLK_USB_PHY>;
   24         clock-names = "usb_phy";
   25         phy-supply = <&usb_vbus>;
   26         img,refclk = <REFCLK_CLK_CORE>;
   27         img,cr-top = <&cr_top>;
   28         #phy-cells = <0>;
   29 };

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