MediaTek MT7621 PCI PHY Driver

modulename: phy-mt7621-pci.ko

configname: CONFIG_PHY_MT7621_PCI

Linux Kernel Configuration
└─>Device Drivers
└─>PHY Subsystem
└─>Device Tree and Open Firmware support
└─>MediaTek MT7621 PCI PHY Driver
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Say 'Y' here to add support for MediaTek MT7621 PCI PHY driver,

source code:
drivers/phy/ralink//phy-mt7621-pci.c

depends
CONFIG_COMPILE_TEST or CONFIG_OF
CONFIG_RALINK

is depended by
CONFIG_PCIE_MT7621