bindings/phy/mxs-usb-phy.txt

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,imx23-usbphy" is still a fallback for other strings
12 - reg: Should contain registers location and length
13 - interrupts: Should contain phy interrupt
14 - fsl,anatop: phandle for anatop register, it is only for imx6 SoC series
17 - fsl,tx-cal-45-dn-ohms: Integer [30-55]. Resistance (in ohms) of switchable
18   high-speed trimming resistor connected in parallel with the 45 ohm resistor
20 - fsl,tx-cal-45-dp-ohms: Integer [30-55]. Resistance (in ohms) of switchable
21   high-speed trimming resistor connected in parallel with the 45 ohm resistor
23 - fsl,tx-d-cal: Integer [79-119]. Current trimming value (as a percentage) of
27 usbphy1: usb-phy@20c9000 {
28 	compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
31 	fsl,anatop = <&anatop>;