1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/phy/fsl,imx8mq-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale i.MX8MQ USB3 PHY
10 - Li Jun <jun.li@nxp.com>
19 - const: fsl,imx95-usb-phy
20 - const: fsl,imx8mp-usb-phy
41 A phandle to the regulator for USB VBUS.
43 fsl,phy-tx-vref-tune-percent:
45 Tunes the HS DC level relative to the nominal level
49 fsl,phy-tx-rise-tune-percent:
51 Adjusts the rise/fall time duration of the HS waveform relative to
56 fsl,phy-tx-preemp-amp-tune-microamp:
58 Adjust amount of current sourced to DPn and DMn after a J-to-K
59 or K-to-J transition. Default is 0 (disabled).
63 fsl,phy-tx-vboost-level-microvolt:
65 Adjust the boosted transmit launch pk-pk differential amplitude
69 fsl,phy-comp-dis-tune-percent:
71 Adjust the voltage level used to detect a disconnect event at the host
72 relative to the nominal value
76 fsl,phy-pcs-tx-deemph-3p5db-attenuation-db:
78 Adjust TX de-emphasis attenuation in dB at nominal
79 3.5dB point as per USB specification
80 $ref: /schemas/types.yaml#/definitions/uint32
84 fsl,phy-pcs-tx-swing-full-percent:
86 Scaling of the voltage defined by fsl,phy-tx-vboost-level-microvolt
108 - description: USB PHY Control range
109 - description: USB PHY TCA Block range
119 $ref: /schemas/usb/usb-switch.yaml#
121 unevaluatedProperties: false
125 #include <dt-bindings/clock/imx8mq-clock.h>
126 usb3_phy0: phy@381f0040 {
127 compatible = "fsl,imx8mq-usb-phy";
128 reg = <0x381f0040 0x40>;
129 clocks = <&clk IMX8MQ_CLK_USB1_PHY_ROOT>;