PrimeCell PL061 GPIO support

modulename: pl061.ko

and/or

gpio-pl061.ko

configname: CONFIG_GPIO_PL061

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>PrimeCell PL061 GPIO support
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
Say yes here to support the PrimeCell PL061 GPIO device

source code:
drivers/gpio/pl061.c
selects

CONFIG_IRQ_DOMAIN
CONFIG_GPIOLIB_IRQCHIP