Broadcom Northstar2 PCIe PHY driver

modulename: phy-bcm-ns2-pcie.ko

configname: CONFIG_PHY_NS2_PCIE

Linux Kernel Configuration
└─>Device Drivers
└─>PHY Subsystem
└─>Device Tree and Open Firmware support
└─>Broadcom Northstar2 PCIe PHY driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Enable this to support the Broadcom Northstar2 PCIe PHY.
If unsure, say N.

source code:
drivers/phy/broadcom//phy-bcm-ns2-pcie.c