src/kernel/linux/v4.14/drivers/phy/tegra/Kconfig

config PHY_TEGRA_XUSB
	tristate "NVIDIA Tegra XUSB pad controller driver"
	depends on ARCH_TEGRA
	help
	  Choose this option if you have an NVIDIA Tegra SoC.

	  To compile this driver as a module, choose M here: the module will
	  be called phy-tegra-xusb.