CONFIG_ETRAX_RS485_ON_PA is not available for thedefaultarchitecture x86.
Result is shown for architecture cris
RS-485 mode on PA
configname: CONFIG_ETRAX_RS485_ON_PA
Linux Kernel Configuration
└─>RS-485 mode on PA
In linux kernel since version 2.6.12
Control Driver Output Enable on RS485 transceiver using a pin on PA
port:
Axis 2400/2401 uses PA 3.
port:
Axis 2400/2401 uses PA 3.