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serial: sc16is7xx

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The SC16IS7xx is a slave I2C-bus/SPI interface to a single-channel
high performance UART. The SC16IS7xx's internal register set is
backward-compatible with the widely used and widely popular 16C450.

The SC16IS7xx also provides additional advanced features such as
auto hardware and software flow control, automatic RS-485 support, and
software reset.

Signed-off-by: Jon Ringle <jringle@gridpoint.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jon Ringle 2014-04-24 20:56:06 -04:00 committed by Greg Kroah-Hartman
parent 2aafb3864b
commit dfeae619d7
4 changed files with 1292 additions and 0 deletions
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9
drivers/tty/serial/Kconfig
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@ -1178,6 +1178,15 @@ config SERIAL_SCCNXP_CONSOLE
help
Support for console on SCCNXP serial ports.
config SERIAL_SC16IS7XX
tristate "SC16IS7xx serial support"
select SERIAL_CORE
select REGMAP_I2C if I2C
help
This selects support for SC16IS7xx serial ports.
Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752,
SC16IS760 and SC16IS762.
config SERIAL_BFIN_SPORT
tristate "Blackfin SPORT emulate UART"
depends on BLACKFIN

1
drivers/tty/serial/Makefile
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@ -51,6 +51,7 @@ obj-$(CONFIG_SERIAL_MPSC) += mpsc.o
obj-$(CONFIG_SERIAL_SB1250_DUART) += sb1250-duart.o
obj-$(CONFIG_ETRAX_SERIAL) += crisv10.o
obj-$(CONFIG_SERIAL_SCCNXP) += sccnxp.o
obj-$(CONFIG_SERIAL_SC16IS7XX) += sc16is7xx.o
obj-$(CONFIG_SERIAL_JSM) += jsm/
obj-$(CONFIG_SERIAL_TXX9) += serial_txx9.o
obj-$(CONFIG_SERIAL_VR41XX) += vr41xx_siu.o

1279
drivers/tty/serial/sc16is7xx.c Normal file
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File diff suppressed because it is too large Load Diff

3
include/uapi/linux/serial_core.h
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@ -241,4 +241,7 @@
/* MEN 16z135 UART */
#define PORT_MEN_Z135 107
/* SC16IS74xx */
#define PORT_SC16IS7XX 108
#endif /* _UAPILINUX_SERIAL_CORE_H */