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2011-10-18tty/serial: RS485 bindings for device treeNicolas Ferre1-0/+5
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: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-24atmel_serial: RS485: receiving enabled when sending dataBernhard Roth1-0/+3
By default the atmel_serial driver in RS485 mode disables receiving data until all data in the send buffer has been sent. This flag allows to receive data even whilst sending data. Signed-off-by: Bernhard Roth <br@pwrnet.de> Signed-off-by: Claudio Scordino <claudio@evidence.eu.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-30RS485 documentation: add 16C950 UART descriptionYegor Yefremov1-4/+5
Add a notion about 16C950 UART, that is using DTR signal for RS485 mode. Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-11serial: add Documentation about RS485 serial communicationsClaudio Scordino1-0/+119
Documentation about RS485 serial communications Signed-off-by: Claudio Scordino <claudio@evidence.eu.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Russell King <linux@arm.linux.org.uk> Acked-by: Grant Edwards <grant.b.edwards@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>