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Elixir Cross Referencer

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#
# Serial device configuration
#

if CONFIG_TTY

menu "Serial drivers"
	depends on CONFIG_HAS_IOMEM

config CONFIG_SERIAL_EARLYCON
	bool
	help
	  Support for early consoles with the earlycon parameter. This enables
	  the console before standard serial driver is probed. The console is
	  enabled when early_param is processed.

source "drivers/tty/serial/8250/Kconfig"

comment "Non-8250 serial port support"

config CONFIG_SERIAL_AMBA_PL010
	tristate "ARM AMBA PL010 serial port support"
	depends on CONFIG_ARM_AMBA
	select CONFIG_SERIAL_CORE
	help
	  This selects the CONFIG_ARM(R) AMBA(R) PrimeCell PL010 UART.  If you have
	  an Integrator/AP or Integrator/PP2 platform, or if you have a
	  Cirrus Logic EP93xx CPU, say Y or CONFIG_M here.

	  If unsure, say N.

config CONFIG_SERIAL_AMBA_PL010_CONSOLE
	bool "Support for console on AMBA serial port"
	depends on CONFIG_SERIAL_AMBA_PL010=y
	select CONFIG_SERIAL_CORE_CONSOLE
	---help---
	  Say Y here if you wish to use an AMBA PrimeCell UART as the system
	  console (the system console is the device which receives all kernel
	  messages and warnings and which allows logins in single user mode).

	  Even if you say Y here, the currently visible framebuffer console
	  (/dev/tty0) will still be used as the system console by default, but
	  you can alter that using a kernel command line option such as
	  "console=ttyAM0". (Try "man bootparam" or see the documentation of
	  your boot loader (lilo or loadlin) about how to pass options to the
	  kernel at boot time.)

config CONFIG_SERIAL_AMBA_PL011
	tristate "ARM AMBA PL011 serial port support"
	depends on CONFIG_ARM_AMBA
	select CONFIG_SERIAL_CORE
	help
	  This selects the CONFIG_ARM(R) AMBA(R) PrimeCell PL011 UART.  If you have
	  an Integrator/PP2, Integrator/CP or Versatile platform, say Y or CONFIG_M
	  here.

	  If unsure, say N.

config CONFIG_SERIAL_AMBA_PL011_CONSOLE
	bool "Support for console on AMBA serial port"
	depends on CONFIG_SERIAL_AMBA_PL011=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON
	---help---
	  Say Y here if you wish to use an AMBA PrimeCell UART as the system
	  console (the system console is the device which receives all kernel
	  messages and warnings and which allows logins in single user mode).

	  Even if you say Y here, the currently visible framebuffer console
	  (/dev/tty0) will still be used as the system console by default, but
	  you can alter that using a kernel command line option such as
	  "console=ttyAMA0". (Try "man bootparam" or see the documentation of
	  your boot loader (lilo or loadlin) about how to pass options to the
	  kernel at boot time.)

config CONFIG_SERIAL_EARLYCON_ARM_SEMIHOST
	bool "Early console using ARM semihosting"
	depends on CONFIG_ARM64 || CONFIG_ARM
	select CONFIG_SERIAL_CORE
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON
	help
	  Support for early debug console using CONFIG_ARM semihosting. This enables
	  the console before standard serial driver is probed. This is enabled
	  with "earlycon=smh" on the kernel command line. The console is
	  enabled when early_param is processed.

config CONFIG_SERIAL_SB1250_DUART
	tristate "BCM1xxx on-chip DUART serial support"
	depends on CONFIG_SIBYTE_SB1xxx_SOC=y
	select CONFIG_SERIAL_CORE
	default y
	---help---
	  Support for the asynchronous serial interface (DUART) included in
	  the BCM1250 and derived System-On-a-Chip (SOC) devices.  Note that
	  the letter CONFIG_D in DUART stands for "dual", which is how the device
	  is implemented.  Depending on the SOC configuration there may be
	  one or more DUARTs available of which all are handled.

	  If unsure, say Y.  To compile this driver as a module, choose CONFIG_M here:
	  the module will be called sb1250-duart.

config CONFIG_SERIAL_SB1250_DUART_CONSOLE
	bool "Support for console on a BCM1xxx DUART serial port"
	depends on CONFIG_SERIAL_SB1250_DUART=y
	select CONFIG_SERIAL_CORE_CONSOLE
	default y
	---help---
	  If you say Y here, it will be possible to use a serial port as the
	  system console (the system console is the device which receives all
	  kernel messages and warnings and which allows logins in single user
	  mode).

	  If unsure, say Y.

config CONFIG_SERIAL_ATMEL
	bool "AT91 / AT32 on-chip serial port support"
	depends on CONFIG_HAS_DMA
	depends on CONFIG_ARCH_AT91 || CONFIG_AVR32 || CONFIG_COMPILE_TEST
	select CONFIG_SERIAL_CORE
	select CONFIG_SERIAL_MCTRL_GPIO if CONFIG_GPIOLIB
	help
	  This enables the driver for the on-chip UARTs of the Atmel
	  AT91 and AT32 processors.

config CONFIG_SERIAL_ATMEL_CONSOLE
	bool "Support for console on AT91 / AT32 serial port"
	depends on CONFIG_SERIAL_ATMEL=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Say Y here if you wish to use an on-chip UART on a Atmel
	  AT91 or AT32 processor as the system console (the system
	  console is the device which receives all kernel messages and
	  warnings and which allows logins in single user mode).

config CONFIG_SERIAL_ATMEL_PDC
	bool "Support DMA transfers on AT91 / AT32 serial port"
	depends on CONFIG_SERIAL_ATMEL
	default y
	help
	  Say Y here if you wish to use the PDC to do DMA transfers to
	  and from the Atmel AT91 / AT32 serial port. In order to
	  actually use DMA transfers, make sure that the use_dma_tx
	  and use_dma_rx members in the atmel_uart_data struct is set
	  appropriately for each port.

	  Note that break and error handling currently doesn't work
	  properly when DMA is enabled. Make sure that ports where
	  this matters don't use DMA.

config CONFIG_SERIAL_ATMEL_TTYAT
	bool "Install as device ttyATn instead of ttySn"
	depends on CONFIG_SERIAL_ATMEL=y
	help
	  Say Y here if you wish to have the internal AT91 / AT32 UARTs
	  appear as /dev/ttyATn (major 204, minor starting at 154)
	  instead of the normal /dev/ttySn (major 4, minor starting at
	  64). This is necessary if you also want other UARTs, such as
	  external 8250/16C550 compatible UARTs.
	  The ttySn nodes are legally reserved for the 8250 serial driver
	  but are often misused by other serial drivers.

	  To use this, you should create suitable ttyATn device nodes in
	  /dev/, and pass "console=ttyATn" to the kernel.

	  Say Y if you have an external 8250/16C550 UART.  If unsure, say N.

config CONFIG_SERIAL_KGDB_NMI
	bool "Serial console over KGDB NMI debugger port"
	depends on CONFIG_KGDB_SERIAL_CONSOLE
	help
	  This special driver allows you to temporary use NMI debugger port
	  as a normal console (assuming that the port is attached to CONFIG_KGDB).

	  Unlike KDB's disable_nmi command, with this driver you are always
	  able to go back to the debugger using CONFIG_KGDB escape sequence ($3#33).
	  This is because this console driver processes the input in NMI
	  context, and thus is able to intercept the magic sequence.

	  Note that since the console interprets input and uses polling
	  communication methods, for things like CONFIG_PPP you still must fully
	  detach debugger port from the CONFIG_KGDB NMI (i.e. disable_nmi), and
	  use raw console.

	  If unsure, say N.

config CONFIG_SERIAL_KS8695
	bool "Micrel KS8695 (Centaur) serial port support"
	depends on CONFIG_ARCH_KS8695
	select CONFIG_SERIAL_CORE
	help
	  This selects the Micrel Centaur KS8695 UART.  Say Y here.

config CONFIG_SERIAL_KS8695_CONSOLE
	bool "Support for console on KS8695 (Centaur) serial port"
	depends on CONFIG_SERIAL_KS8695=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Say Y here if you wish to use a KS8695 (Centaur) UART as the
	  system console (the system console is the device which
	  receives all kernel messages and warnings and which allows
	  logins in single user mode).

config CONFIG_SERIAL_MESON
	tristate "Meson serial port support"
	depends on CONFIG_ARCH_MESON
	select CONFIG_SERIAL_CORE
	help
	  This enables the driver for the on-chip UARTs of the Amlogic
	  MesonX processors.

config CONFIG_SERIAL_MESON_CONSOLE
	bool "Support for console on meson"
	depends on CONFIG_SERIAL_MESON=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON
	help
	  Say Y here if you wish to use a Amlogic MesonX UART as the
	  system console (the system console is the device which
	  receives all kernel messages and warnings and which allows
	  logins in single user mode) as /dev/ttyAMLx.

config CONFIG_SERIAL_CLPS711X
	tristate "CLPS711X serial port support"
	depends on CONFIG_ARCH_CLPS711X || CONFIG_COMPILE_TEST
	select CONFIG_SERIAL_CORE
	select CONFIG_SERIAL_MCTRL_GPIO if CONFIG_GPIOLIB
	help
	  This enables the driver for the on-chip UARTs of the Cirrus
	  Logic EP711x/EP721x/EP731x processors.

config CONFIG_SERIAL_CLPS711X_CONSOLE
	bool "Support for console on CLPS711X serial port"
	depends on CONFIG_SERIAL_CLPS711X=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Even if you say Y here, the currently visible virtual console
	  (/dev/tty0) will still be used as the system console by default, but
	  you can alter that using a kernel command line option such as
	  "console=ttyCL1".

config CONFIG_SERIAL_SAMSUNG
	tristate "Samsung SoC serial support"
	depends on CONFIG_PLAT_SAMSUNG || CONFIG_ARCH_EXYNOS
	select CONFIG_SERIAL_CORE
	help
	  Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
	  providing /dev/ttySAC0, 1 and 2 (note, some machines may not
	  provide all of these ports, depending on how the serial port
	  pins are configured.

config CONFIG_SERIAL_SAMSUNG_UARTS_4
	bool
	depends on CONFIG_SERIAL_SAMSUNG
	default y if !(CONFIG_CPU_S3C2410 || CONFIG_CPU_S3C2412 || CONFIG_CPU_S3C2440 || CONFIG_CPU_S3C2442)
	help
	  Internal node for the common case of 4 Samsung compatible UARTs

config CONFIG_SERIAL_SAMSUNG_UARTS
	int
	depends on CONFIG_SERIAL_SAMSUNG
	default 4 if CONFIG_SERIAL_SAMSUNG_UARTS_4 || CONFIG_CPU_S3C2416
	default 3
	help
	  Select the number of available UART ports for the Samsung S3C
	  serial driver
	
config CONFIG_SERIAL_SAMSUNG_DEBUG
	bool "Samsung SoC serial debug"
	depends on CONFIG_SERIAL_SAMSUNG && CONFIG_DEBUG_LL
	help
	  Add support for debugging the serial driver. Since this is
	  generally being used as a console, we use our own output
	  routines that go via the low-level debug printascii()
	  function.

config CONFIG_SERIAL_SAMSUNG_CONSOLE
	bool "Support for console on Samsung SoC serial port"
	depends on CONFIG_SERIAL_SAMSUNG=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON
	help
	  Allow selection of the S3C24XX on-board serial ports for use as
	  an virtual console.

	  Even if you say Y here, the currently visible virtual console
	  (/dev/tty0) will still be used as the system console by default, but
	  you can alter that using a kernel command line option such as
	  "console=ttySACx". (Try "man bootparam" or see the documentation of
	  your boot loader about how to pass options to the kernel at
	  boot time.)

config CONFIG_SERIAL_SIRFSOC
        tristate "SiRF SoC Platform Serial port support"
        depends on CONFIG_ARCH_SIRF
        select CONFIG_SERIAL_CORE
        help
          Support for the on-chip UART on the CSR SiRFprimaII series,
          providing /dev/ttySiRF0, 1 and 2 (note, some machines may not
          provide all of these ports, depending on how the serial port
          pins are configured).

config CONFIG_SERIAL_SIRFSOC_CONSOLE
        bool "Support for console on SiRF SoC serial port"
        depends on CONFIG_SERIAL_SIRFSOC=y
        select CONFIG_SERIAL_CORE_CONSOLE
        help
          Even if you say Y here, the currently visible virtual console
          (/dev/tty0) will still be used as the system console by default, but
          you can alter that using a kernel command line option such as
          "console=ttySiRFx". (Try "man bootparam" or see the documentation of
          your boot loader about how to pass options to the kernel at
          boot time.)

config CONFIG_SERIAL_TEGRA
	tristate "NVIDIA Tegra20/30 SoC serial controller"
	depends on CONFIG_ARCH_TEGRA && CONFIG_TEGRA20_APB_DMA
	select CONFIG_SERIAL_CORE
	help
	  Support for the on-chip UARTs on the NVIDIA Tegra series SOCs
	  providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not
	  provide all of these ports, depending on how the serial port
	  are enabled). This driver uses the APB DMA to achieve higher baudrate
	  and better performance.

config CONFIG_SERIAL_MAX3100
	tristate "MAX3100 support"
	depends on CONFIG_SPI
	select CONFIG_SERIAL_CORE
	help
	  MAX3100 chip support

config CONFIG_SERIAL_MAX310X
	tristate "MAX310X support"
	depends on CONFIG_SPI_MASTER
	select CONFIG_SERIAL_CORE
	select CONFIG_REGMAP_SPI if CONFIG_SPI_MASTER
	default n
	help
	  This selects support for an advanced UART from Maxim (Dallas).
	  Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830.
	  Each IC contains 128 words each of receive and transmit FIFO
	  that can be controlled through CONFIG_I2C or high-speed CONFIG_SPI.

	  Say Y here if you want to support this ICs.

config CONFIG_SERIAL_DZ
	bool "DECstation DZ serial driver"
	depends on CONFIG_MACH_DECSTATION && CONFIG_32BIT
	select CONFIG_SERIAL_CORE
	default y
	---help---
	  DZ11-family serial controllers for DECstations and VAXstations,
	  including the DC7085, M7814, and M7819.

config CONFIG_SERIAL_DZ_CONSOLE
	bool "Support console on DECstation DZ serial driver"
	depends on CONFIG_SERIAL_DZ=y
	select CONFIG_SERIAL_CORE_CONSOLE
	default y
	---help---
	  If you say Y here, it will be possible to use a serial port as the
	  system console (the system console is the device which receives all
	  kernel messages and warnings and which allows logins in single user
	  mode).

	  Note that the firmware uses ttyS3 as the serial console on
	  DECstations that use this driver.

	  If unsure, say Y.

config CONFIG_SERIAL_ZS
	tristate "DECstation Z85C30 serial support"
	depends on CONFIG_MACH_DECSTATION
	select CONFIG_SERIAL_CORE
	default y
	---help---
	  Support for the Zilog 85C350 serial communications controller used
	  for serial ports in newer DECstation systems.  These include the
	  DECsystem 5900 and all models of the DECstation and DECsystem 5000
	  systems except from model 200.

	  If unsure, say Y.  To compile this driver as a module, choose CONFIG_M here:
	  the module will be called zs.

config CONFIG_SERIAL_ZS_CONSOLE
	bool "Support for console on a DECstation Z85C30 serial port"
	depends on CONFIG_SERIAL_ZS=y
	select CONFIG_SERIAL_CORE_CONSOLE
	default y
	---help---
	  If you say Y here, it will be possible to use a serial port as the
	  system console (the system console is the device which receives all
	  kernel messages and warnings and which allows logins in single user
	  mode).

	  Note that the firmware uses ttyS1 as the serial console on the
	  Maxine and ttyS3 on the others using this driver.

	  If unsure, say Y.

config CONFIG_SERIAL_21285
	tristate "DC21285 serial port support"
	depends on CONFIG_FOOTBRIDGE
	select CONFIG_SERIAL_CORE
	help
	  If you have a machine based on a 21285 (Footbridge) StrongARM(R)/
	  CONFIG_PCI bridge you can enable its onboard serial port by enabling this
	  option.

config CONFIG_SERIAL_21285_CONSOLE
	bool "Console on DC21285 serial port"
	depends on CONFIG_SERIAL_21285=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  If you have enabled the serial port on the 21285 footbridge you can
	  make it the console by answering Y to this option.

	  Even if you say Y here, the currently visible virtual console
	  (/dev/tty0) will still be used as the system console by default, but
	  you can alter that using a kernel command line option such as
	  "console=ttyFB". (Try "man bootparam" or see the documentation of
	  your boot loader (lilo or loadlin) about how to pass options to the
	  kernel at boot time.)

config CONFIG_SERIAL_MPSC
	bool "Marvell MPSC serial port support"
	depends on CONFIG_MV64X60
	select CONFIG_SERIAL_CORE
	help
	  Say Y here if you want to use the Marvell CONFIG_MPSC serial controller.

config CONFIG_SERIAL_MPSC_CONSOLE
	bool "Support for console on Marvell MPSC serial port"
	depends on CONFIG_SERIAL_MPSC
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Say Y here if you want to support a serial console on a Marvell CONFIG_MPSC.

config CONFIG_SERIAL_PXA
	bool "PXA serial port support (DEPRECATED)"
	depends on CONFIG_ARCH_PXA || CONFIG_ARCH_MMP
	select CONFIG_SERIAL_CORE
	select CONFIG_SERIAL_8250_PXA if CONFIG_SERIAL_8250=y
	select CONFIG_SERIAL_PXA_NON8250 if !CONFIG_SERIAL_8250=y
	help
	  If you have a machine based on an Intel XScale PXA2xx CPU you
	  can enable its onboard serial ports by enabling this option.

	  Unless you have a specific need, you should use CONFIG_SERIAL_8250_PXA
	  instead of this.

config CONFIG_SERIAL_PXA_NON8250
	bool
	depends on !CONFIG_SERIAL_8250

config CONFIG_SERIAL_PXA_CONSOLE
	bool "Console on PXA serial port (DEPRECATED)"
	depends on CONFIG_SERIAL_PXA
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_8250_CONSOLE if CONFIG_SERIAL_8250=y
	help
	  If you have enabled the serial port on the Intel XScale PXA
	  CPU you can make it the console by answering Y to this option.

	  Even if you say Y here, the currently visible virtual console
	  (/dev/tty0) will still be used as the system console by default, but
	  you can alter that using a kernel command line option such as
	  "console=ttySA0". (Try "man bootparam" or see the documentation of
	  your boot loader (lilo or loadlin) about how to pass options to the
	  kernel at boot time.)

	  Unless you have a specific need, you should use CONFIG_SERIAL_8250_PXA
	  and CONFIG_SERIAL_8250_CONSOLE instead of this.

config CONFIG_SERIAL_SA1100
	bool "SA1100 serial port support"
	depends on CONFIG_ARCH_SA1100
	select CONFIG_SERIAL_CORE
	help
	  If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you
	  can enable its onboard serial port by enabling this option.
	  Please read <file:Documentation/arm/SA1100/serial_UART> for further
	  info.

config CONFIG_SERIAL_SA1100_CONSOLE
	bool "Console on SA1100 serial port"
	depends on CONFIG_SERIAL_SA1100
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  If you have enabled the serial port on the SA1100/SA1110 StrongARM
	  CPU you can make it the console by answering Y to this option.

	  Even if you say Y here, the currently visible virtual console
	  (/dev/tty0) will still be used as the system console by default, but
	  you can alter that using a kernel command line option such as
	  "console=ttySA0". (Try "man bootparam" or see the documentation of
	  your boot loader (lilo or loadlin) about how to pass options to the
	  kernel at boot time.)

config CONFIG_SERIAL_BFIN
	tristate "Blackfin serial port support"
	depends on CONFIG_BLACKFIN
	select CONFIG_SERIAL_CORE
	select CONFIG_SERIAL_BFIN_UART0 if (CONFIG_BF531 || CONFIG_BF532 || CONFIG_BF533 || CONFIG_BF561)
	help
	  Add support for the built-in UARTs on the Blackfin.

	  To compile this driver as a module, choose CONFIG_M here: the
	  module is named bfin_uart.ko.

config CONFIG_SERIAL_BFIN_CONSOLE
	bool "Console on Blackfin serial port"
	depends on CONFIG_SERIAL_BFIN=y
	select CONFIG_SERIAL_CORE_CONSOLE

choice
	prompt "UART Mode"
	depends on CONFIG_SERIAL_BFIN
	default CONFIG_SERIAL_BFIN_DMA
	help
	  This driver supports the built-in serial ports of the Blackfin family
	  of CPUs

config CONFIG_SERIAL_BFIN_DMA
	bool "DMA mode"
	depends on !CONFIG_DMA_UNCACHED_NONE && CONFIG_KGDB_SERIAL_CONSOLE=n
	help
	  This driver works under DMA mode. If this option is selected, the
	  blackfin simple dma driver is also enabled.

config CONFIG_SERIAL_BFIN_PIO
	bool "PIO mode"
	help
	  This driver works under PIO mode.

endchoice

config CONFIG_SERIAL_BFIN_UART0
	bool "Enable UART0"
	depends on CONFIG_SERIAL_BFIN
	help
	  Enable UART0

config CONFIG_BFIN_UART0_CTSRTS
	bool "Enable UART0 hardware flow control"
	depends on CONFIG_SERIAL_BFIN_UART0
	help
	  Enable hardware flow control in the driver.

config CONFIG_SERIAL_BFIN_UART1
	bool "Enable UART1"
	depends on CONFIG_SERIAL_BFIN && (!CONFIG_BF531 && !CONFIG_BF532 && !CONFIG_BF533 && !CONFIG_BF561)
	help
	  Enable UART1

config CONFIG_BFIN_UART1_CTSRTS
	bool "Enable UART1 hardware flow control"
	depends on CONFIG_SERIAL_BFIN_UART1
	help
	  Enable hardware flow control in the driver.

config CONFIG_SERIAL_BFIN_UART2
	bool "Enable UART2"
	depends on CONFIG_SERIAL_BFIN && (CONFIG_BF54x || CONFIG_BF538 || CONFIG_BF539)
	help
	  Enable UART2

config CONFIG_BFIN_UART2_CTSRTS
	bool "Enable UART2 hardware flow control"
	depends on CONFIG_SERIAL_BFIN_UART2
	help
	  Enable hardware flow control in the driver.

config CONFIG_SERIAL_BFIN_UART3
	bool "Enable UART3"
	depends on CONFIG_SERIAL_BFIN && (CONFIG_BF54x)
	help
	  Enable UART3

config CONFIG_BFIN_UART3_CTSRTS
	bool "Enable UART3 hardware flow control"
	depends on CONFIG_SERIAL_BFIN_UART3
	help
	  Enable hardware flow control in the driver.

config CONFIG_SERIAL_IMX
	tristate "IMX serial port support"
	depends on CONFIG_HAS_DMA
	depends on CONFIG_ARCH_MXC || CONFIG_COMPILE_TEST
	select CONFIG_SERIAL_CORE
	select CONFIG_RATIONAL
	select CONFIG_SERIAL_MCTRL_GPIO if CONFIG_GPIOLIB
	help
	  If you have a machine based on a Motorola IMX CPU you
	  can enable its onboard serial port by enabling this option.

config CONFIG_SERIAL_IMX_CONSOLE
	bool "Console on IMX serial port"
	depends on CONFIG_SERIAL_IMX=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON if CONFIG_OF
	help
	  If you have enabled the serial port on the Freescale IMX
	  CPU you can make it the console by answering Y to this option.

	  Even if you say Y here, the currently visible virtual console
	  (/dev/tty0) will still be used as the system console by default, but
	  you can alter that using a kernel command line option such as
	  "console=ttymxc0". (Try "man bootparam" or see the documentation of
	  your bootloader about how to pass options to the kernel at boot time.)

config CONFIG_SERIAL_UARTLITE
	tristate "Xilinx uartlite serial port support"
	depends on CONFIG_HAS_IOMEM
	select CONFIG_SERIAL_CORE
	help
	  Say Y here if you want to use the Xilinx uartlite serial controller.

	  To compile this driver as a module, choose CONFIG_M here: the
	  module will be called uartlite.

config CONFIG_SERIAL_UARTLITE_CONSOLE
	bool "Support for console on Xilinx uartlite serial port"
	depends on CONFIG_SERIAL_UARTLITE=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON
	help
	  Say Y here if you wish to use a Xilinx uartlite as the system
	  console (the system console is the device which receives all kernel
	  messages and warnings and which allows logins in single user mode).

config CONFIG_SERIAL_SUNCORE
	bool
	depends on CONFIG_SPARC
	select CONFIG_SERIAL_CORE
	select CONFIG_SERIAL_CORE_CONSOLE
	default y

config CONFIG_SERIAL_SUNZILOG
	tristate "Sun Zilog8530 serial support"
	depends on CONFIG_SPARC
	help
	  This driver supports the Zilog8530 serial ports found on many Sparc
	  systems.  Say Y or CONFIG_M if you want to be able to these serial ports.

config CONFIG_SERIAL_SUNZILOG_CONSOLE
	bool "Console on Sun Zilog8530 serial port"
	depends on CONFIG_SERIAL_SUNZILOG=y
	help
	  If you would like to be able to use the Zilog8530 serial port
	  on your Sparc system as the console, you can do so by answering
	  Y to this option.

config CONFIG_SERIAL_SUNSU
	tristate "Sun SU serial support"
	depends on CONFIG_SPARC && CONFIG_PCI
	help
	  This driver supports the 8250 serial ports that run the keyboard and
	  mouse on (CONFIG_PCI) UltraSPARC systems.  Say Y or CONFIG_M if you want to be able
	  to these serial ports.

config CONFIG_SERIAL_SUNSU_CONSOLE
	bool "Console on Sun SU serial port"
	depends on CONFIG_SERIAL_SUNSU=y
	help
	  If you would like to be able to use the SU serial port
	  on your Sparc system as the console, you can do so by answering
	  Y to this option.

config CONFIG_SERIAL_MUX
	tristate "Serial MUX support"
	depends on CONFIG_GSC
	select CONFIG_SERIAL_CORE
	default y
	---help---
	  Saying Y here will enable the hardware MUX serial driver for
	  the Nova, K class systems and CONFIG_D class with a 'remote control card'.
	  The hardware MUX is not 8250/16550 compatible therefore the
	  /dev/ttyB0 device is shared between the Serial MUX and the PDC
	  software console. The following steps need to be completed to use
	  the Serial MUX:

	    1. create the device entry (mknod /dev/ttyB0 c 11 0)
	    2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
	    3. Add device ttyB0 to /etc/securetty (if you want to log on as
		 root on this console.)
	    4. Change the kernel command console parameter to: console=ttyB0

config CONFIG_SERIAL_MUX_CONSOLE
	bool "Support for console on serial MUX"
	depends on CONFIG_SERIAL_MUX=y
	select CONFIG_SERIAL_CORE_CONSOLE
	default y

config CONFIG_PDC_CONSOLE
	bool "PDC software console support"
	depends on CONFIG_PARISC && !CONFIG_SERIAL_MUX && CONFIG_VT
	default n
	help
	  Saying Y here will enable the software based PDC console to be 
	  used as the system console.  This is useful for machines in 
	  which the hardware based console has not been written yet.  The
	  following steps must be completed to use the PDC console:

	    1. create the device entry (mknod /dev/ttyB0 c 11 0)
	    2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
	    3. Add device ttyB0 to /etc/securetty (if you want to log on as
		 root on this console.)
	    4. Change the kernel command console parameter to: console=ttyB0

config CONFIG_SERIAL_SUNSAB
	tristate "Sun Siemens SAB82532 serial support"
	depends on CONFIG_SPARC && CONFIG_PCI
	help
	  This driver supports the Siemens SAB82532 DUSCC serial ports on newer
	  (CONFIG_PCI) UltraSPARC systems.  Say Y or CONFIG_M if you want to be able to these
	  serial ports.

config CONFIG_SERIAL_SUNSAB_CONSOLE
	bool "Console on Sun Siemens SAB82532 serial port"
	depends on CONFIG_SERIAL_SUNSAB=y
	help
	  If you would like to be able to use the SAB82532 serial port
	  on your Sparc system as the console, you can do so by answering
	  Y to this option.

config CONFIG_SERIAL_SUNHV
	bool "Sun4v Hypervisor Console support"
	depends on CONFIG_SPARC64
	help
	  This driver supports the console device found on SUN4V Sparc
	  systems.  Say Y if you want to be able to use this device.

config CONFIG_SERIAL_IP22_ZILOG
	tristate "SGI Zilog8530 serial support"
	depends on CONFIG_SGI_HAS_ZILOG
	select CONFIG_SERIAL_CORE
	help
	  This driver supports the Zilog8530 serial ports found on SGI
	  systems.  Say Y or CONFIG_M if you want to be able to these serial ports.

config CONFIG_SERIAL_IP22_ZILOG_CONSOLE
	bool "Console on SGI Zilog8530 serial port"
	depends on CONFIG_SERIAL_IP22_ZILOG=y
	select CONFIG_SERIAL_CORE_CONSOLE

config CONFIG_SERIAL_SH_SCI
	tristate "SuperH SCI(F) serial port support"
	depends on CONFIG_SUPERH || CONFIG_ARCH_RENESAS || CONFIG_H8300 || CONFIG_COMPILE_TEST
	select CONFIG_SERIAL_CORE
	select CONFIG_SERIAL_MCTRL_GPIO if CONFIG_GPIOLIB

config CONFIG_SERIAL_SH_SCI_NR_UARTS
	int "Maximum number of SCI(F) serial ports"
	depends on CONFIG_SERIAL_SH_SCI
	default "2"

config CONFIG_SERIAL_SH_SCI_CONSOLE
	bool "Support for console on SuperH SCI(F)"
	depends on CONFIG_SERIAL_SH_SCI=y
	select CONFIG_SERIAL_CORE_CONSOLE

config CONFIG_SERIAL_SH_SCI_EARLYCON
	bool "Support for early console on SuperH SCI(F)"
	depends on CONFIG_SERIAL_SH_SCI=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON

config CONFIG_SERIAL_SH_SCI_DMA
	bool "DMA support"
	depends on CONFIG_SERIAL_SH_SCI && CONFIG_DMA_ENGINE

config CONFIG_SERIAL_PNX8XXX
	bool "Enable PNX8XXX SoCs' UART Support"
	depends on CONFIG_SOC_PNX833X
	select CONFIG_SERIAL_CORE
	help
	  If you have a CONFIG_MIPS-based Philips SoC such as PNX8330 and you want
	  to use serial ports, say Y.  Otherwise, say N.

config CONFIG_SERIAL_PNX8XXX_CONSOLE
	bool "Enable PNX8XX0 serial console"
	depends on CONFIG_SERIAL_PNX8XXX
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  If you have a CONFIG_MIPS-based Philips SoC such as PNX8330 and you want
	  to use serial console, say Y. Otherwise, say N.

config CONFIG_SERIAL_HS_LPC32XX
	tristate "LPC32XX high speed serial port support"
	depends on CONFIG_ARCH_LPC32XX && CONFIG_OF
	select CONFIG_SERIAL_CORE
	help
	  Support for the LPC32XX high speed serial ports (up to 900kbps).
	  Those are UARTs completely different from the Standard UARTs on the
	  LPC32XX SoC.
	  Choose CONFIG_M or Y here to build this driver.

config CONFIG_SERIAL_HS_LPC32XX_CONSOLE
	bool "Enable LPC32XX high speed UART serial console"
	depends on CONFIG_SERIAL_HS_LPC32XX=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  If you would like to be able to use one of the high speed serial
	  ports on the LPC32XX as the console, you can do so by answering
	  Y to this option.

config CONFIG_SERIAL_CORE
	tristate

config CONFIG_SERIAL_CORE_CONSOLE
	bool

config CONFIG_CONSOLE_POLL
	bool

config CONFIG_SERIAL_MCF
	bool "Coldfire serial support"
	depends on CONFIG_COLDFIRE
	select CONFIG_SERIAL_CORE
	help
	  This serial driver supports the Freescale Coldfire serial ports.

config CONFIG_SERIAL_MCF_BAUDRATE
	int "Default baudrate for Coldfire serial ports"
	depends on CONFIG_SERIAL_MCF
	default 19200
	help
	  This setting lets you define what the default baudrate is for the
	  ColdFire serial ports. The usual default varies from board to board,
	  and this setting is a way of catering for that.

config CONFIG_SERIAL_MCF_CONSOLE
	bool "Coldfire serial console support"
	depends on CONFIG_SERIAL_MCF
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Enable a ColdFire internal serial port to be the system console.

config CONFIG_SERIAL_PMACZILOG
	tristate "Mac or PowerMac z85c30 ESCC support"
	depends on (CONFIG_M68K && CONFIG_MAC) || CONFIG_PPC_PMAC
	select CONFIG_SERIAL_CORE
	help
	  This driver supports the Zilog z85C30 serial ports found on
	  (Power)Mac machines.
	  Say Y or CONFIG_M if you want to be able to these serial ports.

config CONFIG_SERIAL_PMACZILOG_TTYS
	bool "Use ttySn device nodes for Zilog z85c30"
	depends on CONFIG_SERIAL_PMACZILOG
	help
	  The pmac_zilog driver for the z85C30 chip on many powermacs
	  historically used the device numbers for /dev/ttySn.  The
	  8250 serial port driver also uses these numbers, which means
	  the two drivers being unable to coexist; you could not use
	  both z85C30 and 8250 type ports at the same time.

	  If this option is not selected, the pmac_zilog driver will
	  use the device numbers allocated for /dev/ttyPZn.  This allows
	  the pmac_zilog and 8250 drivers to co-exist, but may cause
	  existing userspace setups to break.  Programs that need to
	  access the built-in serial ports on powermacs will need to
	  be reconfigured to use /dev/ttyPZn instead of /dev/ttySn.

	  If you enable this option, any z85c30 ports in the system will
	  be registered as ttyS0 onwards as in the past, and you will be
	  unable to use the 8250 module for CONFIG_PCMCIA or other 16C550-style
	  UARTs.

	  Say N unless you need the z85c30 ports on your (Power)Mac
	  to appear as /dev/ttySn.

config CONFIG_SERIAL_PMACZILOG_CONSOLE
	bool "Console on Mac or PowerMac z85c30 serial port"
	depends on CONFIG_SERIAL_PMACZILOG=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  If you would like to be able to use the z85c30 serial port
	  on your (Power)Mac as the console, you can do so by answering
	  Y to this option.

config CONFIG_SERIAL_CPM
	tristate "CPM SCC/SMC serial port support"
	depends on CONFIG_CPM2 || CONFIG_CPM1
	select CONFIG_SERIAL_CORE
	help
	  This driver supports the CONFIG_SCC and CONFIG_SMC serial ports on Motorola 
	  embedded PowerPC that contain a CONFIG_CPM1 (CONFIG_8xx) or CONFIG_CPM2 (8xxx)

config CONFIG_SERIAL_CPM_CONSOLE
	bool "Support for console on CPM SCC/SMC serial port"
	depends on CONFIG_SERIAL_CPM=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Say Y here if you wish to use a CONFIG_SCC or CONFIG_SMC CONFIG_CPM UART as the system
	  console (the system console is the device which receives all kernel
	  messages and warnings and which allows logins in single user mode).

	  Even if you say Y here, the currently visible framebuffer console
	  (/dev/tty0) will still be used as the system console by default, but
	  you can alter that using a kernel command line option such as
	  "console=ttyCPM0". (Try "man bootparam" or see the documentation of
	  your boot loader (lilo or loadlin) about how to pass options to the
	  kernel at boot time.)

config CONFIG_SERIAL_SGI_L1_CONSOLE
	bool "SGI Altix L1 serial console support"
	depends on CONFIG_IA64_GENERIC || CONFIG_IA64_SGI_SN2
	select CONFIG_SERIAL_CORE
	select CONFIG_SERIAL_CORE_CONSOLE
	help
		If you have an SGI Altix and you would like to use the system
		controller serial port as your console (you want this!),
		say Y.  Otherwise, say N.

config CONFIG_SERIAL_PIC32
	tristate "Microchip PIC32 serial support"
	depends on CONFIG_MACH_PIC32
	select CONFIG_SERIAL_CORE
	help
	  If you have a PIC32, this driver supports the serial ports.

	  Say Y or CONFIG_M to use PIC32 serial ports, otherwise say N. Note that
	  to use a serial port as a console, this must be included in kernel and
	  not as a module.

config CONFIG_SERIAL_PIC32_CONSOLE
	bool "PIC32 serial console support"
	depends on CONFIG_SERIAL_PIC32
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  If you have a PIC32, this driver supports the putting a console on one
	  of the serial ports.

	  Say Y to use the PIC32 console, otherwise say N.

config CONFIG_SERIAL_MPC52xx
	tristate "Freescale MPC52xx/MPC512x family PSC serial support"
	depends on CONFIG_PPC_MPC52xx || CONFIG_PPC_MPC512x
	select CONFIG_SERIAL_CORE
	help
	  This driver supports MPC52xx and MPC512x PSC serial ports. If you would
	  like to use them, you must answer Y or CONFIG_M to this option. Note that
	  for use as console, it must be included in kernel and not as a
	  module.

config CONFIG_SERIAL_MPC52xx_CONSOLE
	bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port"
	depends on CONFIG_SERIAL_MPC52xx=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Select this options if you'd like to use one of the PSC serial port
	  of the Freescale MPC52xx family as a console.

config CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD
	int "Freescale MPC52xx/MPC512x family PSC serial port baud"
	depends on CONFIG_SERIAL_MPC52xx_CONSOLE=y
	default "9600"
	help
	  Select the MPC52xx console baud rate.
	  This value is only used if the bootloader doesn't pass in the
	  console baudrate

config CONFIG_SERIAL_ICOM
	tristate "IBM Multiport Serial Adapter"
	depends on CONFIG_PCI && CONFIG_PPC_PSERIES
	select CONFIG_SERIAL_CORE
	select CONFIG_FW_LOADER
	help
	  This driver is for a family of multiport serial adapters
	  including 2 port RVX, 2 port internal modem, 4 port internal
	  modem and a split 1 port RVX and 1 port internal modem.

	  This driver can also be built as a module.  If so, the module
	  will be called icom.

config CONFIG_SERIAL_M32R_SIO
	bool "M32R SIO I/F"
	depends on CONFIG_M32R
	default y
	select CONFIG_SERIAL_CORE
	help
	  Say Y here if you want to use the CONFIG_M32R serial controller.

config CONFIG_SERIAL_M32R_SIO_CONSOLE
	bool "use SIO console"
	depends on CONFIG_SERIAL_M32R_SIO=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Say Y here if you want to support a serial console.

	  If you use an M3T-M32700UT or an OPSPUT platform,
	  please say also y for CONFIG_SERIAL_M32R_PLDSIO.

config CONFIG_SERIAL_M32R_PLDSIO
	bool "M32R SIO I/F on a PLD"
	depends on CONFIG_SERIAL_M32R_SIO=y && (CONFIG_PLAT_OPSPUT || CONFIG_PLAT_USRV || CONFIG_PLAT_M32700UT)
	default n
	help
	  Say Y here if you want to use the CONFIG_M32R serial controller
	  on a PLD (Programmable Logic Device).

	  If you use an M3T-M32700UT or an OPSPUT platform,
	  please say Y.

config CONFIG_SERIAL_TXX9
	bool "TMPTX39XX/49XX SIO support"
	depends on CONFIG_HAS_TXX9_SERIAL
	select CONFIG_SERIAL_CORE
	default y

config CONFIG_HAS_TXX9_SERIAL
	bool

config CONFIG_SERIAL_TXX9_NR_UARTS
	int "Maximum number of TMPTX39XX/49XX SIO ports"
	depends on CONFIG_SERIAL_TXX9
	default "6"

config CONFIG_SERIAL_TXX9_CONSOLE
	bool "TMPTX39XX/49XX SIO Console support"
	depends on CONFIG_SERIAL_TXX9=y
	select CONFIG_SERIAL_CORE_CONSOLE

config CONFIG_SERIAL_TXX9_STDSERIAL
	bool "TX39XX/49XX SIO act as standard serial"
	depends on !CONFIG_SERIAL_8250 && CONFIG_SERIAL_TXX9

config CONFIG_SERIAL_VR41XX
	tristate "NEC VR4100 series Serial Interface Unit support"
	depends on CONFIG_CPU_VR41XX
	select CONFIG_SERIAL_CORE
	help
	  If you have a NEC VR4100 series processor and you want to use
	  Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU)
	  (not include VR4111/VR4121 DSIU), say Y.  Otherwise, say N.

config CONFIG_SERIAL_VR41XX_CONSOLE
	bool "Enable NEC VR4100 series Serial Interface Unit console"
	depends on CONFIG_SERIAL_VR41XX=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  If you have a NEC VR4100 series processor and you want to use
	  a console on a serial port, say Y.  Otherwise, say N.

config CONFIG_SERIAL_JSM
	tristate "Digi International NEO and Classic PCI Support"
	depends on CONFIG_PCI
	select CONFIG_SERIAL_CORE
	help
	  This is a driver for Digi International's Neo and Classic series
	  of cards which provide multiple serial ports. You would need
	  something like this to connect more than two modems to your Linux
	  box, for instance in order to become a dial-in server. This driver
	  supports CONFIG_PCI boards only.

	  If you have a card like this, say Y here, otherwise say N.

	  To compile this driver as a module, choose CONFIG_M here: the
	  module will be called jsm.

config CONFIG_SERIAL_SGI_IOC4
	tristate "SGI IOC4 controller serial support"
	depends on (CONFIG_IA64_GENERIC || CONFIG_IA64_SGI_SN2) && CONFIG_SGI_IOC4
	select CONFIG_SERIAL_CORE
	help
		If you have an SGI Altix with an IOC4 based Base IO card
		and wish to use the serial ports on this card, say Y.
		Otherwise, say N.

config CONFIG_SERIAL_SGI_IOC3
	tristate "SGI Altix IOC3 serial support"
	depends on (CONFIG_IA64_GENERIC || CONFIG_IA64_SGI_SN2) && CONFIG_SGI_IOC3
	select CONFIG_SERIAL_CORE
	help
	  If you have an SGI Altix with an IOC3 serial card,
	  say Y or CONFIG_M.  Otherwise, say N.

config CONFIG_SERIAL_MSM
	tristate "MSM on-chip serial port support"
	depends on CONFIG_ARCH_QCOM
	select CONFIG_SERIAL_CORE

config CONFIG_SERIAL_MSM_CONSOLE
	bool "MSM serial console support"
	depends on CONFIG_SERIAL_MSM=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON

config CONFIG_SERIAL_VT8500
	bool "VIA VT8500 on-chip serial port support"
	depends on CONFIG_ARCH_VT8500
	select CONFIG_SERIAL_CORE

config CONFIG_SERIAL_VT8500_CONSOLE
	bool "VIA VT8500 serial console support"
	depends on CONFIG_SERIAL_VT8500=y
	select CONFIG_SERIAL_CORE_CONSOLE

config CONFIG_SERIAL_ETRAXFS
	bool "ETRAX FS serial port support"
	depends on CONFIG_ETRAX_ARCH_V32 && CONFIG_OF
	select CONFIG_SERIAL_CORE
	select CONFIG_SERIAL_MCTRL_GPIO if CONFIG_GPIOLIB

config CONFIG_SERIAL_ETRAXFS_CONSOLE
	bool "ETRAX FS serial console support"
	depends on CONFIG_SERIAL_ETRAXFS
	select CONFIG_SERIAL_CORE_CONSOLE

config CONFIG_SERIAL_NETX
	tristate "NetX serial port support"
	depends on CONFIG_ARCH_NETX
	select CONFIG_SERIAL_CORE
	help
	  If you have a machine based on a Hilscher NetX SoC you
	  can enable its onboard serial port by enabling this option.

          To compile this driver as a module, choose CONFIG_M here: the
          module will be called netx-serial.

config CONFIG_SERIAL_NETX_CONSOLE
	bool "Console on NetX serial port"
	depends on CONFIG_SERIAL_NETX=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  If you have enabled the serial port on the Hilscher NetX SoC
	  you can make it the console by answering Y to this option.

config CONFIG_SERIAL_OMAP
	tristate "OMAP serial port support"
	depends on CONFIG_ARCH_OMAP2PLUS
	select CONFIG_SERIAL_CORE
	help
	  If you have a machine based on an Texas Instruments OMAP CPU you
	  can enable its onboard serial ports by enabling this option.

	  By enabling this option you take advantage of dma feature available
	  with the omap-serial driver. DMA support can be enabled from platform
	  data.

config CONFIG_SERIAL_OMAP_CONSOLE
	bool "Console on OMAP serial port"
	depends on CONFIG_SERIAL_OMAP=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Select this option if you would like to use omap serial port as
	  console.

	  Even if you say Y here, the currently visible virtual console
	  (/dev/tty0) will still be used as the system console by default, but
	  you can alter that using a kernel command line option such as
	  "console=ttyOx". (Try "man bootparam" or see the documentation of
	  your boot loader about how to pass options to the kernel at
	  boot time.)

config CONFIG_SERIAL_LANTIQ
	bool "Lantiq serial driver"
	depends on CONFIG_LANTIQ
	select CONFIG_SERIAL_CORE
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Support for console and UART on Lantiq SoCs.

config CONFIG_SERIAL_QE
	tristate "Freescale QUICC Engine serial port support"
	depends on CONFIG_QUICC_ENGINE
	select CONFIG_SERIAL_CORE
	select CONFIG_FW_LOADER
	default n
	help
	  This driver supports the QE serial ports on Freescale embedded
	  PowerPC that contain a QUICC Engine.

config CONFIG_SERIAL_SCCNXP
	tristate "SCCNXP serial port support"
	select CONFIG_SERIAL_CORE
	help
	  This selects support for an advanced UART from NXP (Philips).
	  Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92,
	  SC28L202, SCC68681 and SCC68692.

config CONFIG_SERIAL_SCCNXP_CONSOLE
	bool "Console on SCCNXP serial port"
	depends on CONFIG_SERIAL_SCCNXP=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Support for console on SCCNXP serial ports.

config CONFIG_SERIAL_SC16IS7XX_CORE
        tristate

config CONFIG_SERIAL_SC16IS7XX
        tristate "SC16IS7xx serial support"
        select CONFIG_SERIAL_CORE
        depends on (CONFIG_SPI_MASTER && !CONFIG_I2C) || CONFIG_I2C
        help
          This selects support for SC16IS7xx serial ports.
          Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752,
          SC16IS760 and SC16IS762. Select supported buses using options below.

config CONFIG_SERIAL_SC16IS7XX_I2C
        bool "SC16IS7xx for I2C interface"
        depends on CONFIG_SERIAL_SC16IS7XX
        depends on CONFIG_I2C
        select CONFIG_SERIAL_SC16IS7XX_CORE if CONFIG_SERIAL_SC16IS7XX
        select CONFIG_REGMAP_I2C if CONFIG_I2C
        default y
        help
          Enable SC16IS7xx driver on CONFIG_I2C bus,
          If required say y, and say n to i2c if not required,
          Enabled by default to support oldconfig.
          You must select at least one bus for the driver to be built.

config CONFIG_SERIAL_SC16IS7XX_SPI
        bool "SC16IS7xx for spi interface"
        depends on CONFIG_SERIAL_SC16IS7XX
        depends on CONFIG_SPI_MASTER
        select CONFIG_SERIAL_SC16IS7XX_CORE if CONFIG_SERIAL_SC16IS7XX
        select CONFIG_REGMAP_SPI if CONFIG_SPI_MASTER
        help
          Enable SC16IS7xx driver on CONFIG_SPI bus,
          If required say y, and say n to spi if not required,
          This is additional support to exsisting driver.
          You must select at least one bus for the driver to be built.

config CONFIG_SERIAL_BFIN_SPORT
	tristate "Blackfin SPORT emulate UART"
	depends on CONFIG_BLACKFIN
	select CONFIG_SERIAL_CORE
	help
	  Enable SPORT emulate UART on Blackfin series.

	  To compile this driver as a module, choose CONFIG_M here: the
	  module will be called bfin_sport_uart.

config CONFIG_SERIAL_BFIN_SPORT_CONSOLE
	bool "Console on Blackfin sport emulated uart"
	depends on CONFIG_SERIAL_BFIN_SPORT=y
	select CONFIG_SERIAL_CORE_CONSOLE

config CONFIG_SERIAL_BFIN_SPORT0_UART
	bool "Enable UART over SPORT0"
	depends on CONFIG_SERIAL_BFIN_SPORT && !(CONFIG_BF542 || CONFIG_BF544)
	help
	  Enable UART over SPORT0

config CONFIG_SERIAL_BFIN_SPORT0_UART_CTSRTS
	bool "Enable UART over SPORT0 hardware flow control"
	depends on CONFIG_SERIAL_BFIN_SPORT0_UART
	help
	  Enable hardware flow control in the driver.

config CONFIG_SERIAL_BFIN_SPORT1_UART
	bool "Enable UART over SPORT1"
	depends on CONFIG_SERIAL_BFIN_SPORT
	help
	  Enable UART over SPORT1

config CONFIG_SERIAL_BFIN_SPORT1_UART_CTSRTS
	bool "Enable UART over SPORT1 hardware flow control"
	depends on CONFIG_SERIAL_BFIN_SPORT1_UART
	help
	  Enable hardware flow control in the driver.

config CONFIG_SERIAL_BFIN_SPORT2_UART
	bool "Enable UART over SPORT2"
	depends on CONFIG_SERIAL_BFIN_SPORT && (CONFIG_BF54x || CONFIG_BF538 || CONFIG_BF539)
	help
	  Enable UART over SPORT2

config CONFIG_SERIAL_BFIN_SPORT2_UART_CTSRTS
	bool "Enable UART over SPORT2 hardware flow control"
	depends on CONFIG_SERIAL_BFIN_SPORT2_UART
	help
	  Enable hardware flow control in the driver.

config CONFIG_SERIAL_BFIN_SPORT3_UART
	bool "Enable UART over SPORT3"
	depends on CONFIG_SERIAL_BFIN_SPORT && (CONFIG_BF54x || CONFIG_BF538 || CONFIG_BF539)
	help
	  Enable UART over SPORT3

config CONFIG_SERIAL_BFIN_SPORT3_UART_CTSRTS
	bool "Enable UART over SPORT3 hardware flow control"
	depends on CONFIG_SERIAL_BFIN_SPORT3_UART
	help
	  Enable hardware flow control in the driver.

config CONFIG_SERIAL_TIMBERDALE
	tristate "Support for timberdale UART"
	select CONFIG_SERIAL_CORE
	depends on CONFIG_X86_32 || CONFIG_COMPILE_TEST
	---help---
	Add support for UART controller on timberdale.

config CONFIG_SERIAL_BCM63XX
	tristate "Broadcom BCM63xx/BCM33xx UART support"
	select CONFIG_SERIAL_CORE
	depends on CONFIG_MIPS || CONFIG_ARM || CONFIG_COMPILE_TEST
	help
	  This enables the driver for the onchip UART core found on
	  the following chipsets:

	    BCM33xx (cable modem)
	    BCM63xx/BCM63xxx (DSL)
	    BCM68xx (PON)
	    BCM7xxx (STB) - DOCSIS console

config CONFIG_SERIAL_BCM63XX_CONSOLE
	bool "Console on BCM63xx serial port"
	depends on CONFIG_SERIAL_BCM63XX=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON
	help
	  If you have enabled the serial port on the BCM63xx CPU
	  you can make it the console by answering Y to this option.

config CONFIG_SERIAL_GRLIB_GAISLER_APBUART
	tristate "GRLIB APBUART serial support"
	depends on CONFIG_OF && CONFIG_SPARC
	select CONFIG_SERIAL_CORE
	---help---
	Add support for the GRLIB APBUART serial port.

config CONFIG_SERIAL_GRLIB_GAISLER_APBUART_CONSOLE
	bool "Console on GRLIB APBUART serial port"
	depends on CONFIG_SERIAL_GRLIB_GAISLER_APBUART=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	Support for running a console on the GRLIB APBUART

config CONFIG_SERIAL_ALTERA_JTAGUART
	tristate "Altera JTAG UART support"
	select CONFIG_SERIAL_CORE
	help
	  This driver supports the Altera JTAG UART port.

config CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE
	bool "Altera JTAG UART console support"
	depends on CONFIG_SERIAL_ALTERA_JTAGUART=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Enable a Altera JTAG UART port to be the system console.

config CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS
	bool "Bypass output when no connection"
	depends on CONFIG_SERIAL_ALTERA_JTAGUART_CONSOLE
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Bypass console output and keep going even if there is no
	  JTAG terminal connection with the host.

config CONFIG_SERIAL_ALTERA_UART
	tristate "Altera UART support"
	select CONFIG_SERIAL_CORE
	help
	  This driver supports the Altera softcore UART port.

config CONFIG_SERIAL_ALTERA_UART_MAXPORTS
	int "Maximum number of Altera UART ports"
	depends on CONFIG_SERIAL_ALTERA_UART
	default 4
	help
	  This setting lets you define the maximum number of the Altera
	  UART ports. The usual default varies from board to board, and
	  this setting is a way of catering for that.

config CONFIG_SERIAL_ALTERA_UART_BAUDRATE
	int "Default baudrate for Altera UART ports"
	depends on CONFIG_SERIAL_ALTERA_UART
	default 115200
	help
	  This setting lets you define what the default baudrate is for the
	  Altera UART ports. The usual default varies from board to board,
	  and this setting is a way of catering for that.

config CONFIG_SERIAL_ALTERA_UART_CONSOLE
	bool "Altera UART console support"
	depends on CONFIG_SERIAL_ALTERA_UART=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Enable a Altera UART port to be the system console.

config CONFIG_SERIAL_IFX6X60
        tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)"
	depends on CONFIG_GPIOLIB || CONFIG_COMPILE_TEST
	depends on CONFIG_SPI && CONFIG_HAS_DMA
	help
	  Support for the IFX6x60 modem devices on Intel MID platforms.

config CONFIG_SERIAL_PCH_UART
	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART"
	depends on CONFIG_PCI && (CONFIG_X86_32 || CONFIG_MIPS ||  CONFIG_COMPILE_TEST)
	select CONFIG_SERIAL_CORE
	help
	  This driver is for PCH(Platform controller Hub) UART of Intel EG20T
	  which is an IOH(Input/Output Hub) for x86 embedded processor.
	  Enabling CONFIG_PCH_DMA, this PCH UART works as DMA mode.

	  This driver also can be used for LAPIS Semiconductor IOH(Input/
	  Output Hub), ML7213, ML7223 and ML7831.
	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.

config CONFIG_SERIAL_PCH_UART_CONSOLE
	bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH"
	depends on CONFIG_SERIAL_PCH_UART=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Say Y here if you wish to use the PCH UART as the system console
	  (the system  console is the device which receives all kernel messages and
	  warnings and which allows logins in single user mode).

config CONFIG_SERIAL_MXS_AUART
	tristate "MXS AUART support"
	depends on CONFIG_HAS_DMA
	depends on CONFIG_ARCH_MXS || CONFIG_MACH_ASM9260 || CONFIG_COMPILE_TEST
	select CONFIG_SERIAL_CORE
	select CONFIG_SERIAL_MCTRL_GPIO if CONFIG_GPIOLIB
	help
	  This driver supports the MXS and Alphascale ASM9260 Application
	  UART (AUART) port.

config CONFIG_SERIAL_MXS_AUART_CONSOLE
	bool "MXS AUART console support"
	depends on CONFIG_SERIAL_MXS_AUART=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Enable a MXS AUART port to be the system console.

config CONFIG_SERIAL_XILINX_PS_UART
	tristate "Cadence (Xilinx Zynq) UART support"
	depends on CONFIG_OF
	select CONFIG_SERIAL_CORE
	help
	  This driver supports the Cadence UART. It is found e.g. in Xilinx
	  Zynq.

config CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
	bool "Cadence UART console support"
	depends on CONFIG_SERIAL_XILINX_PS_UART=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON
	help
	  Enable a Cadence UART port to be the system console.

config CONFIG_SERIAL_AR933X
	tristate "AR933X serial port support"
	depends on CONFIG_HAVE_CLK && CONFIG_SOC_AR933X
	select CONFIG_SERIAL_CORE
	help
	  If you have an Atheros AR933X SOC based board and want to use the
	  built-in UART of the SoC, say Y to this option.

	  To compile this driver as a module, choose CONFIG_M here: the
	  module will be called ar933x_uart.

config CONFIG_SERIAL_AR933X_CONSOLE
	bool "Console on AR933X serial port"
	depends on CONFIG_SERIAL_AR933X=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  Enable a built-in UART port of the AR933X to be the system console.

config CONFIG_SERIAL_AR933X_NR_UARTS
	int "Maximum number of AR933X serial ports"
	depends on CONFIG_SERIAL_AR933X
	default "2"
	help
	  Set this to the number of serial ports you want the driver
	  to support.

config CONFIG_SERIAL_EFM32_UART
	tristate "EFM32 UART/USART port"
	depends on CONFIG_ARM && (CONFIG_ARCH_EFM32 || CONFIG_COMPILE_TEST)
	select CONFIG_SERIAL_CORE
	help
	  This driver support the USART and UART ports on
	  Energy Micro's efm32 SoCs.

config CONFIG_SERIAL_MPS2_UART_CONSOLE
	bool "MPS2 UART console support"
	depends on CONFIG_SERIAL_MPS2_UART
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON

config CONFIG_SERIAL_MPS2_UART
	bool "MPS2 UART port"
	depends on CONFIG_ARCH_MPS2 || CONFIG_COMPILE_TEST
	select CONFIG_SERIAL_CORE
	help
	  This driver support the UART ports on CONFIG_ARM MPS2.

config CONFIG_SERIAL_EFM32_UART_CONSOLE
	bool "EFM32 UART/USART console support"
	depends on CONFIG_SERIAL_EFM32_UART=y
	select CONFIG_SERIAL_CORE_CONSOLE

config CONFIG_SERIAL_TILEGX
	tristate "TILE-Gx on-chip serial port support"
	depends on CONFIG_TILEGX
	select CONFIG_TILE_GXIO_UART
	select CONFIG_SERIAL_CORE
	---help---
	  This device provides access to the on-chip UARTs on the CONFIG_TILE-Gx
	  processor.

config CONFIG_SERIAL_ARC
	tristate "ARC UART driver support"
	select CONFIG_SERIAL_CORE
	help
	  Driver for on-chip UART for CONFIG_ARC(Synopsys) for the legacy
	  CONFIG_FPGA Boards (ML50x/ARCAngel4)

config CONFIG_SERIAL_ARC_CONSOLE
	bool "Console on ARC UART"
	depends on CONFIG_SERIAL_ARC=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON
	help
	  Enable system Console on CONFIG_ARC UART

config CONFIG_SERIAL_ARC_NR_PORTS
	int "Number of ARC UART ports"
	depends on CONFIG_SERIAL_ARC
	range 1 3
	default "1"
	help
	  Set this to the number of serial ports you want the driver
	  to support.

config CONFIG_SERIAL_RP2
	tristate "Comtrol RocketPort EXPRESS/INFINITY support"
	depends on CONFIG_PCI
	select CONFIG_SERIAL_CORE
	help
	  This driver supports the Comtrol RocketPort EXPRESS and
	  RocketPort INFINITY families of CONFIG_PCI/PCIe multiport serial adapters.
	  These adapters use a "RocketPort 2" ASIC that is not compatible
	  with the original RocketPort driver (CONFIG_ROCKETPORT).

	  To compile this driver as a module, choose CONFIG_M here: the
	  module will be called rp2.

	  If you want to compile this driver into the kernel, say Y here.  If
	  you don't have a suitable RocketPort card installed, say N.

config CONFIG_SERIAL_RP2_NR_UARTS
	int "Maximum number of RocketPort EXPRESS/INFINITY ports"
	depends on CONFIG_SERIAL_RP2
	default "32"
	help
	  If multiple cards are present, the default limit of 32 ports may
	  need to be increased.

config CONFIG_SERIAL_FSL_LPUART
	tristate "Freescale lpuart serial port support"
	depends on CONFIG_HAS_DMA
	select CONFIG_SERIAL_CORE
	help
	  Support for the on-chip lpuart on some Freescale SOCs.

config CONFIG_SERIAL_FSL_LPUART_CONSOLE
	bool "Console on Freescale lpuart serial port"
	depends on CONFIG_SERIAL_FSL_LPUART=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON
	help
	  If you have enabled the lpuart serial port on the Freescale SoCs,
	  you can make it the console by answering Y to this option.

config CONFIG_SERIAL_CONEXANT_DIGICOLOR
	tristate "Conexant Digicolor CX92xxx USART serial port support"
	depends on CONFIG_OF
	select CONFIG_SERIAL_CORE
	help
	  Support for the on-chip USART on Conexant Digicolor SoCs.

config CONFIG_SERIAL_CONEXANT_DIGICOLOR_CONSOLE
	bool "Console on Conexant Digicolor serial port"
	depends on CONFIG_SERIAL_CONEXANT_DIGICOLOR=y
	select CONFIG_SERIAL_CORE_CONSOLE
	help
	  If you have enabled the USART serial port on Conexant Digicolor
	  SoCs, you can make it the console by answering Y to this option.

config CONFIG_SERIAL_ST_ASC
	tristate "ST ASC serial port support"
	select CONFIG_SERIAL_CORE
	depends on CONFIG_ARM || CONFIG_COMPILE_TEST
	help
	  This driver is for the on-chip Asychronous Serial Controller on
	  STMicroelectronics STi SoCs.
	  ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality.
	  It support all industry standard baud rates.

	  If unsure, say N.

config CONFIG_SERIAL_ST_ASC_CONSOLE
	bool "Support for console on ST ASC"
	depends on CONFIG_SERIAL_ST_ASC=y
	select CONFIG_SERIAL_CORE_CONSOLE

config CONFIG_SERIAL_MEN_Z135
	tristate "MEN 16z135 Support"
	select CONFIG_SERIAL_CORE
	depends on CONFIG_MCB
	help
	  Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core
	  on a CONFIG_MCB carrier.

	  This driver can also be build as a module. If so, the module will be called
	  men_z135_uart.ko

config CONFIG_SERIAL_SPRD
	tristate "Support for Spreadtrum serial"
	depends on CONFIG_ARCH_SPRD
	select CONFIG_SERIAL_CORE
	help
	  This enables the driver for the Spreadtrum's serial.

config CONFIG_SERIAL_SPRD_CONSOLE
	bool "Spreadtrum UART console support"
	depends on CONFIG_SERIAL_SPRD=y
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON
	help
	  Support for early debug console using Spreadtrum's serial. This enables
	  the console before standard serial driver is probed. This is enabled
	  with "earlycon" on the kernel command line. The console is
	  enabled when early_param is processed.

config CONFIG_SERIAL_STM32
	tristate "STMicroelectronics STM32 serial port support"
	select CONFIG_SERIAL_CORE
	depends on CONFIG_HAS_DMA
	depends on CONFIG_ARCH_STM32 || CONFIG_COMPILE_TEST
	help
	  This driver is for the on-chip Serial Controller on
	  STMicroelectronics STM32 MCUs.
	  USART supports Rx & Tx functionality.
	  It support all industry standard baud rates.

	  If unsure, say N.

config CONFIG_SERIAL_STM32_CONSOLE
	bool "Support for console on STM32"
	depends on CONFIG_SERIAL_STM32=y
	select CONFIG_SERIAL_CORE_CONSOLE

config CONFIG_SERIAL_MVEBU_UART
	bool "Marvell EBU serial port support"
	depends on CONFIG_ARCH_MVEBU || CONFIG_COMPILE_TEST
	select CONFIG_SERIAL_CORE
	help
	  This driver is for Marvell EBU SoC's UART. If you have a machine
	  based on the Armada-3700 SoC and wish to use the on-board serial
	  port,
	  say 'Y' here.
	  Otherwise, say 'N'.

config CONFIG_SERIAL_MVEBU_CONSOLE
	bool "Console on Marvell EBU serial port"
	depends on CONFIG_SERIAL_MVEBU_UART
	select CONFIG_SERIAL_CORE_CONSOLE
	select CONFIG_SERIAL_EARLYCON
	default y
	help
	  Say 'Y' here if you wish to use Armada-3700 UART as the system console.
	  (the system console is the device which receives all kernel messages
	  and warnings and which allows logins in single user mode)
	  Otherwise, say 'N'.

endmenu

config CONFIG_SERIAL_MCTRL_GPIO
	tristate

endif # CONFIG_TTY