Semtech SX150x I2C GPIO expander pinctrl driver

modulename: pinctrl-sx150x.ko

configname: CONFIG_PINCTRL_SX150X

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>Semtech SX150x I2C GPIO expander pinctrl driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say yes here to provide support for Semtech SX150x-series I2C
GPIO expanders as pinctrl module.
Compatible models include:
- 8 bits: sx1508q, sx1502q
- 16 bits: sx1509q, sx1506q

source code: