Kconfig - OpenGrok cross reference for /linux/drivers/tty/serial/Kconfig

1 # SPDX-License-Identifier: GPL-2.0
3 # Serial device configuration
6 menu "Serial drivers"
14 	  the console before standard serial driver is probed. The console is
17 source "drivers/tty/serial/8250/Kconfig"
19 comment "Non-8250 serial port support"
22 	tristate "ARM AMBA PL010 serial port support"
33 	bool "Support for console on AMBA serial port"
49 	tristate "ARM AMBA PL011 serial port support"
60 	bool "Support for console on AMBA serial port"
84 	  This enables the console before standard serial driver is probed.
89 	bool "Early console using RISC-V SBI"
95 	  Support for early debug console using RISC-V SBI. This enables
96 	  the console before standard serial driver is probed. This is enabled
101 	tristate "BCM1xxx on-chip DUART serial support"
106 	  Support for the asynchronous serial interface (DUART) included in
107 	  the BCM1250 and derived System-On-a-Chip (SOC) devices.  Note that
113 	  the module will be called sb1250-duart.
116 	bool "Support for console on a BCM1xxx DUART serial port"
121 	  If you say Y here, it will be possible to use a serial port as the
129 	bool "AT91 on-chip serial port support"
136 	  This enables the driver for the on-chip UARTs of the Atmel
140 	bool "Support for console on AT91 serial port"
145 	  Say Y here if you wish to use an on-chip UART on a Atmel
151 	bool "Support DMA transfers on AT91 serial port"
156 	  and from the Atmel AT91 serial port. In order to
174 	  The ttySn nodes are legally reserved for the 8250 serial driver
175 	  but are often misused by other serial drivers.
183 	tristate "Meson serial port support"
187 	  This enables the driver for the on-chip UARTs of the Amlogic
202 	tristate "CLPS711X serial port support"
207 	  This enables the driver for the on-chip UARTs of the Cirrus
211 	bool "Support for console on CLPS711X serial port"
221 	tristate "Samsung SoC serial support"
225 	  Support for the on-chip UARTs on the Samsung
228 	  these ports, depending on how the serial port pins are configured.
237 	  Select the number of available UART ports for the Samsung S3C
238 	  serial driver
241 	bool "Support for console on Samsung SoC serial port"
246 	  Allow selection of the S3C24XX on-board serial ports for use as
257 	tristate "NVIDIA Tegra20/30 SoC serial controller"
261 	  Support for the on-chip UARTs on the NVIDIA Tegra series SOCs
263 	  provide all of these ports, depending on how the serial port
273 	  Support for the mailbox-based TCU (Tegra Combined UART) serial port.
274 	  TCU is a virtual serial port that allows multiplexing multiple data
275 	  streams into a single hardware serial port.
278 	bool "Support for console on a Tegra TCU serial port"
295 	  Support for Tegra UTC (UART Trace controller) client serial port.
297 	  UTC is a HW based serial port that allows multiplexing multiple data
298 	  streams of up to 16 UTC clients into a single hardware serial port.
301 	bool "Support for console on a Tegra UTC serial port"
333 	  that can be controlled through I2C or high-speed SPI.
338 	bool "DECstation DZ serial driver"
343 	  DZ11-family serial controllers for DECstations and VAXstations,
347 	bool "Support console on DECstation DZ serial driver"
352 	  If you say Y here, it will be possible to use a serial port as the
357 	  Note that the firmware uses ttyS3 as the serial console on
363 	tristate "DECstation Z85C30 serial support"
368 	  Support for the Zilog 85C350 serial communications controller used
369 	  for serial ports in newer DECstation systems.  These include the
377 	bool "Support for console on a DECstation Z85C30 serial port"
382 	  If you say Y here, it will be possible to use a serial port as the
387 	  Note that the firmware uses ttyS1 as the serial console on the
393 	tristate "DC21285 serial port support"
398 	  PCI bridge you can enable its onboard serial port by enabling this
402 	bool "Console on DC21285 serial port"
406 	  If you have enabled the serial port on the 21285 footbridge you can
417 	bool "PXA serial port support (DEPRECATED)"
424 	  can enable its onboard serial ports by enabling this option.
434 	bool "Console on PXA serial port (DEPRECATED)"
439 	  If you have enabled the serial port on the Intel XScale PXA
453 	bool "SA1100 serial port support"
459 	  can enable its onboard serial port by enabling this option.
464 	bool "Console on SA1100 serial port"
468 	  If you have enabled the serial port on the SA1100/SA1110 StrongARM
479 	tristate "IMX serial port support"
486 	  can enable its onboard serial port by enabling this option.
489 	tristate "Console on IMX serial port"
493 	  If you have enabled the serial port on the Freescale IMX
503 	bool "Earlycon on IMX serial port"
515 	tristate "Xilinx uartlite serial port support"
519 	  Say Y here if you want to use the Xilinx uartlite serial controller.
525 	bool "Support for console on Xilinx uartlite serial port"
535 	int "Maximum number of uartlite serial ports"
540 	  Set this to the number of uartlites in your system, or the number
542 	  If maximum number of uartlite serial ports is more than 4, then the
544 	  number.
554 	tristate "Sun Zilog8530 serial support"
557 	  This driver supports the Zilog8530 serial ports found on many Sparc
558 	  systems.  Say Y or M if you want to be able to these serial ports.
561 	bool "Console on Sun Zilog8530 serial port"
564 	  If you would like to be able to use the Zilog8530 serial port
569 	tristate "Sun SU serial support"
572 	  This driver supports the 8250 serial ports that run the keyboard and
574 	  to these serial ports.
577 	bool "Console on Sun SU serial port"
580 	  If you would like to be able to use the SU serial port
585 	tristate "Serial MUX support"
590 	  Saying Y here will enable the hardware MUX serial driver for
593 	  /dev/ttyB0 device is shared between the Serial MUX and the PDC
595 	  the Serial MUX:
604 	bool "Support for console on serial MUX"
610 	tristate "Sun Siemens SAB82532 serial support"
613 	  This driver supports the Siemens SAB82532 DUSCC serial ports on newer
615 	  serial ports.
618 	bool "Console on Sun Siemens SAB82532 serial port"
621 	  If you would like to be able to use the SAB82532 serial port
633 	tristate "SGI Zilog8530 serial support"
637 	  This driver supports the Zilog8530 serial ports found on SGI
638 	  systems.  Say Y or M if you want to be able to these serial ports.
641 	bool "Console on SGI Zilog8530 serial port"
646 	tristate "SuperH SCI(F) serial port support"
652 	int "Maximum number of SCI(F) serial ports" if EXPERT
683 	  Say Y if you want to be able to use the RZ/T2H SCI serial port.
686 	tristate "LPC32XX high speed serial port support"
691 	  Support for the LPC32XX high speed serial ports (up to 900kbps).
697 	bool "Enable LPC32XX high speed UART serial console"
701 	  If you would like to be able to use one of the high speed serial
715 	bool "Coldfire serial support"
719 	  This serial driver supports the Freescale Coldfire serial ports.
722 	int "Default baudrate for Coldfire serial ports"
727 	  ColdFire serial ports. The usual default varies from board to board,
731 	bool "Coldfire serial console support"
735 	  Enable a ColdFire internal serial port to be the system console.
742 	  This driver supports the Zilog z85C30 serial ports found on
744 	  Say Y or M if you want to be able to these serial ports.
752 	  8250 serial port driver also uses these numbers, which means
758 	  the pmac_zilog and 8250 drivers to co-exist, but may cause
760 	  access the built-in serial ports on powermacs will need to
765 	  unable to use the 8250 module for PCMCIA or other 16C550-style
772 	bool "Console on Mac or PowerMac z85c30 serial port"
776 	  If you would like to be able to use the z85c30 serial port
781 	tristate "CPM SCC/SMC serial port support"
785 	  This driver supports the SCC and SMC serial ports on Motorola
789 	bool "Support for console on CPM SCC/SMC serial port"
805 	tristate "Microchip PIC32 serial support"
809 	  If you have a PIC32, this driver supports the serial ports.
811 	  Say Y or M to use PIC32 serial ports, otherwise say N. Note that
812 	  to use a serial port as a console, this must be included in kernel and
816 	bool "PIC32 serial console support"
821 	  of the serial ports.
826 	tristate "Freescale MPC52xx/MPC512x family PSC serial support"
830 	  This driver supports MPC52xx and MPC512x PSC serial ports. If you would
836 	bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port"
840 	  Select this options if you'd like to use one of the PSC serial port
844 	int "Freescale MPC52xx/MPC512x family PSC serial port baud"
853 	tristate "IBM Multiport Serial Adapter"
859 	  This driver is for a family of multiport serial adapters
876 	int "Maximum number of TMPTX39XX/49XX SIO ports"
886 	bool "TX39XX/49XX SIO act as standard serial"
895 	  of cards which provide multiple serial ports. You would need
897 	  box, for instance in order to become a dial-in server. This driver
906 	tristate "MSM on-chip serial port support"
911 	bool "MSM serial console support"
917 	tristate "QCOM on-chip GENI based serial port support"
923 	bool "QCOM GENI Serial Console support"
928 	  Serial console driver for Qualcomm Technologies Inc's GENI based
932 	bool "VIA VT8500 on-chip serial port support"
937 	bool "VIA VT8500 serial console support"
942 	tristate "OMAP serial port support"
947 	  can enable its onboard serial ports by enabling this option.
950 	  with the omap-serial driver. DMA support can be enabled from platform
954 	bool "Console on OMAP serial port"
958 	  Select this option if you would like to use omap serial port as
996 	tristate "Lantiq serial driver"
1014 	tristate "Freescale QUICC Engine serial port support"
1019 	  This driver supports the QE serial ports on Freescale embedded
1023 	tristate "SCCNXP serial port support"
1031 	bool "Console on SCCNXP serial port"
1035 	  Support for console on SCCNXP serial ports.
1083 	    BCM7xxx (STB) - DOCSIS console
1086 	bool "Console on BCM63xx serial port"
1091 	  If you have enabled the serial port on the BCM63xx CPU
1095 	tristate "GRLIB APBUART serial support"
1099 	Add support for the GRLIB APBUART serial port.
1102 	bool "Console on GRLIB APBUART serial port"
1137 	int "Maximum number of Altera UART ports"
1141 	  This setting lets you define the maximum number of the Altera
1173 	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
1220 	tristate "AR933X serial port support"
1226 	  built-in UART of the SoC, say Y to this option.
1232 	bool "Console on AR933X serial port"
1236 	  Enable a built-in UART port of the AR933X to be the system console.
1239 	int "Maximum number of AR933X serial ports"
1243 	  Set this to the number of serial ports you want the driver
1263 	  Driver for on-chip UART for ARC(Synopsys) for the legacy
1275 	int "Number of ARC UART ports"
1280 	  Set this to the number of serial ports you want the driver
1289 	  RocketPort INFINITY families of PCI/PCIe multiport serial adapters.
1300 	int "Maximum number of RocketPort EXPRESS/INFINITY ports"
1308 	tristate "Freescale lpuart serial port support"
1312 	  Support for the on-chip lpuart on some Freescale SOCs.
1315 	bool "Console on Freescale lpuart serial port"
1320 	  If you have enabled the lpuart serial port on the Freescale SoCs,
1324 	tristate "Freescale LINFlexD UART serial port support"
1328 	  Support for the on-chip LINFlexD UART on some Freescale SOCs.
1331 	bool "Console on Freescale LINFlexD UART serial port"
1336 	  If you have enabled the LINFlexD UART serial port on the Freescale
1340 	tristate "Conexant Digicolor CX92xxx USART serial port support"
1344 	  Support for the on-chip USART on Conexant Digicolor SoCs.
1347 	bool "Console on Conexant Digicolor serial port"
1351 	  If you have enabled the USART serial port on Conexant Digicolor
1355 	tristate "ST ASC serial port support"
1359 	  This driver is for the on-chip Asynchronous Serial Controller on
1376 	  Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core
1383 	tristate "Support for Spreadtrum serial"
1387 	  This enables the driver for the Spreadtrum's serial.
1395 	  Support for early debug console using Spreadtrum's serial. This enables
1396 	  the console before standard serial driver is probed. This is enabled
1401 	tristate "STMicroelectronics STM32 serial port support"
1406 	  This driver is for the on-chip Serial Controller on
1420 	bool "Marvell EBU serial port support"
1426 	  based on the Armada-3700 SoC and wish to use the on-board serial
1432 	bool "Console on Marvell EBU serial port"
1438 	  Say 'Y' here if you wish to use Armada-3700 UART as the system console.
1444 	tristate "Actions Semi Owl serial port support"
1449 	  Say 'Y' here if you wish to use the on-board serial port.
1453 	bool "Console on Actions Semi Owl serial port"
1463 	bool "RDA Micro serial port support"
1468 	  Say 'Y' here if you wish to use the on-board serial port.
1472 	bool "Console on RDA Micro serial port"
1482 	tristate "Milbeaut USIO/UART serial port support"
1490 	int "Maximum number of CSIO/UART ports (1-8)"
1496 	bool "Support for console on MILBEAUT USIO/UART serial port"
1508 	tristate "LiteUART serial port support"
1514 	  This driver is for the FPGA-based LiteUART serial controller from LiteX
1517 	  Say 'Y' or 'M' here if you wish to use the LiteUART serial controller.
1521 	int "Maximum number of LiteUART ports"
1525 	  Set this to the maximum number of serial ports you want the driver
1529 	bool "LiteUART serial port console support"
1534 	  Say 'Y' or 'M' here if you wish to use the FPGA-based LiteUART serial
1545 	  Select this option if you would like to use Sunplus serial port on
1547 	  If you enable this option, Sunplus serial ports in the system will
1550 	  called sunplus-uart.
1573 	  module. If you enable this option, Ma35D1 serial ports in the system