Generic bindings for RS485 feature included in some UARTs.
Those bindings have to be used withing an UART device tree node.
Documentation updated to link to the bindings definition.
Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: NGrant Likely <grant.likely@secretlab.ca>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Advertise the possibility to use this driver with device tree if
CONFIG_OF is set.
Signed-off-by: NTobias Klauser <tklauser@distanz.ch>
Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>

With the recent switch of the (currently still out-of-tree) Nios2 Linux
port to devicetree we want to be able to retrieve the resources and
properties from dts.

The old method to retrieve resources and properties from platform data
is still supported.
Signed-off-by: NTobias Klauser <tklauser@distanz.ch>
Acked-by: NGreg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>