CONFIG_SERIAL_PXA_NON8250 (not configurable)

modulename: pxa.ko

configname: CONFIG_SERIAL_PXA_NON8250

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>SERIAL_PXA_NON8250
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/tty/serial/pxa.c
depends
CONFIG_HAS_IOMEM
CONFIG_TTY
CONFIG_COMPILE_TEST or  NOT CONFIG_SERIAL_8250

is depended by
CONFIG_SERIAL_PXA