Add support for specifying clock information for the uart clk via the
device tree. This eliminates the need to hardcode rates in the device
tree.
Signed-off-by: NJosh Cartwright <josh.cartwright@ni.com>
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: NMichal Simek <michal.simek@xilinx.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>