serial: mvebu-uart: initial support for Armada-3700 serial port
authorWilson Ding <dingwei@marvell.com>
Tue, 16 Feb 2016 18:14:53 +0000 (19:14 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 8 Mar 2016 00:11:14 +0000 (16:11 -0800)
commit30530791a7a032dc27dbbab56b8afabd5138074c
treed1a5505aea2f2b173e841cf34a6b3471db38e615
parent82a3f87f6e80e0bf7978152021eb8938976721cb
serial: mvebu-uart: initial support for Armada-3700 serial port

Armada-3700's uart is a simple serial port, which doesn't
support. Configuring the modem control lines. The uart port has a 32
bytes Tx FIFO and a 64 bytes Rx FIFO

The uart driver implements the uart core operations. It also support the
system (early) console based on Armada-3700's serial port.

Known Issue:

The uart driver currently doesn't support clock programming, which means
the baud-rate stays with the default value configured by the bootloader
at boot time

[gregory.clement@free-electrons.com: Rewrite many part which are too long
to enumerate]

Signed-off-by: Wilson Ding <dingwei@marvell.com>
Signed-off-by: Nadav Haklai <nadavh@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Documentation/devicetree/bindings/tty/serial/mvebu-uart.txt [new file with mode: 0644]
Documentation/kernel-parameters.txt
drivers/tty/serial/Kconfig
drivers/tty/serial/Makefile
drivers/tty/serial/mvebu-uart.c [new file with mode: 0644]
include/uapi/linux/serial_core.h