Broadcom Northstar2 pinmux driver

modulename: pinctrl-ns2-mux.ko

configname: CONFIG_PINCTRL_NS2_MUX

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>Device Tree and Open Firmware support
└─>Broadcom Northstar2 pinmux driver
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Say yes here to enable the Broadcom NS2 MUX driver.

The Broadcom Northstar2 IOMUX driver supports group based IOMUX
configuration.

source code: