Freescale i.MX8M USB3 PHY

modulename: phy-fsl-imx8mq-usb.ko

configname: CONFIG_PHY_FSL_IMX8MQ_USB

Linux Kernel Configuration
└─>Device Drivers
└─>PHY Subsystem
└─>Device Tree and Open Firmware support
└─>Freescale i.MX8M USB3 PHY
In linux kernel since version 5 (release Date: 2019-03-03)  
source code:
drivers/phy/freescale//phy-fsl-imx8mq-usb.c