Microchip devices

configname: CONFIG_NET_VENDOR_MICROCHIP

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Microchip devices
In linux kernel since version 3.1 (release Date: 2011-10-24)  
If you have a network (Ethernet) card belonging to this class, say Y
and read the Ethernet-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.

Note that the answer to this question doesn't directly affect the
kernel: saying N will just cause the configurator to skip all
the questions about Microchip cards. If you say Y, you will be asked
for your specific card in the following questions.

depends
CONFIG_ETHERNET
CONFIG_EXPERIMENTAL
CONFIG_NETDEVICES
CONFIG_SPI

is selected by
CONFIG_LAN743X