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/mxs-usb-phy.txt

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    1 * Freescale MXS USB Phy Device
    2 
    3 Required properties:
    4 - compatible: should contain:
    5         * "fsl,imx23-usbphy" for imx23 and imx28
    6         * "fsl,imx6q-usbphy" for imx6dq and imx6dl
    7         * "fsl,imx6sl-usbphy" for imx6sl
    8         * "fsl,vf610-usbphy" for Vybrid vf610
    9         * "fsl,imx6sx-usbphy" for imx6sx
   10         * "fsl,imx7ulp-usbphy" for imx7ulp
   11         * "fsl,imx8dxl-usbphy" for imx8dxl
   12   "fsl,imx23-usbphy" is still a fallback for other strings
   13 - reg: Should contain registers location and length
   14 - interrupts: Should contain phy interrupt
   15 - fsl,anatop: phandle for anatop register, it is only for imx6 SoC series
   16 
   17 Optional properties:
   18 - fsl,tx-cal-45-dn-ohms: Integer [30-55]. Resistance (in ohms) of switchable
   19   high-speed trimming resistor connected in parallel with the 45 ohm resistor
   20   that terminates the DN output signal. Default: 45
   21 - fsl,tx-cal-45-dp-ohms: Integer [30-55]. Resistance (in ohms) of switchable
   22   high-speed trimming resistor connected in parallel with the 45 ohm resistor
   23   that terminates the DP output signal. Default: 45
   24 - fsl,tx-d-cal: Integer [79-119]. Current trimming value (as a percentage) of
   25   the 17.78mA TX reference current. Default: 100
   26 
   27 Example:
   28 usbphy1: usb-phy@20c9000 {
   29         compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
   30         reg = <0x020c9000 0x1000>;
   31         interrupts = <0 44 0x04>;
   32         fsl,anatop = <&anatop>;
   33 };

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