Kconfig - OpenGrok cross reference for /linux-6.8/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 	bool "Serial console over KGDB NMI debugger port"
202 	tristate "Meson serial port support"
206 	  This enables the driver for the on-chip UARTs of the Amlogic
221 	tristate "CLPS711X serial port support"
226 	  This enables the driver for the on-chip UARTs of the Cirrus
230 	bool "Support for console on CLPS711X serial port"
240 	tristate "Samsung SoC serial support"
244 	  Support for the on-chip UARTs on the Samsung
247 	  these ports, depending on how the serial port pins are configured.
256 	  Select the number of available UART ports for the Samsung S3C
257 	  serial driver
260 	bool "Support for console on Samsung SoC serial port"
265 	  Allow selection of the S3C24XX on-board serial ports for use as
276 	tristate "NVIDIA Tegra20/30 SoC serial controller"
280 	  Support for the on-chip UARTs on the NVIDIA Tegra series SOCs
282 	  provide all of these ports, depending on how the serial port
292 	  Support for the mailbox-based TCU (Tegra Combined UART) serial port.
293 	  TCU is a virtual serial port that allows multiplexing multiple data
294 	  streams into a single hardware serial port.
297 	bool "Support for console on a Tegra TCU serial port"
326 	  that can be controlled through I2C or high-speed SPI.
331 	bool "DECstation DZ serial driver"
336 	  DZ11-family serial controllers for DECstations and VAXstations,
340 	bool "Support console on DECstation DZ serial driver"
345 	  If you say Y here, it will be possible to use a serial port as the
350 	  Note that the firmware uses ttyS3 as the serial console on
356 	tristate "DECstation Z85C30 serial support"
361 	  Support for the Zilog 85C350 serial communications controller used
362 	  for serial ports in newer DECstation systems.  These include the
370 	bool "Support for console on a DECstation Z85C30 serial port"
375 	  If you say Y here, it will be possible to use a serial port as the
380 	  Note that the firmware uses ttyS1 as the serial console on the
386 	tristate "DC21285 serial port support"
391 	  PCI bridge you can enable its onboard serial port by enabling this
395 	bool "Console on DC21285 serial port"
399 	  If you have enabled the serial port on the 21285 footbridge you can
410 	bool "PXA serial port support (DEPRECATED)"
417 	  can enable its onboard serial ports by enabling this option.
427 	bool "Console on PXA serial port (DEPRECATED)"
432 	  If you have enabled the serial port on the Intel XScale PXA
446 	bool "SA1100 serial port support"
452 	  can enable its onboard serial port by enabling this option.
457 	bool "Console on SA1100 serial port"
461 	  If you have enabled the serial port on the SA1100/SA1110 StrongARM
472 	tristate "IMX serial port support"
479 	  can enable its onboard serial port by enabling this option.
482 	tristate "Console on IMX serial port"
486 	  If you have enabled the serial port on the Freescale IMX
496 	bool "Earlycon on IMX serial port"
508 	tristate "Xilinx uartlite serial port support"
512 	  Say Y here if you want to use the Xilinx uartlite serial controller.
518 	bool "Support for console on Xilinx uartlite serial port"
528 	int "Maximum number of uartlite serial ports"
533 	  Set this to the number of uartlites in your system, or the number
535 	  If maximum number of uartlite serial ports is more than 4, then the
537 	  number.
547 	tristate "Sun Zilog8530 serial support"
550 	  This driver supports the Zilog8530 serial ports found on many Sparc
551 	  systems.  Say Y or M if you want to be able to these serial ports.
554 	bool "Console on Sun Zilog8530 serial port"
557 	  If you would like to be able to use the Zilog8530 serial port
562 	tristate "Sun SU serial support"
565 	  This driver supports the 8250 serial ports that run the keyboard and
567 	  to these serial ports.
570 	bool "Console on Sun SU serial port"
573 	  If you would like to be able to use the SU serial port
578 	tristate "Serial MUX support"
583 	  Saying Y here will enable the hardware MUX serial driver for
586 	  /dev/ttyB0 device is shared between the Serial MUX and the PDC
588 	  the Serial MUX:
597 	bool "Support for console on serial MUX"
603 	tristate "Sun Siemens SAB82532 serial support"
606 	  This driver supports the Siemens SAB82532 DUSCC serial ports on newer
608 	  serial ports.
611 	bool "Console on Sun Siemens SAB82532 serial port"
614 	  If you would like to be able to use the SAB82532 serial port
626 	tristate "SGI Zilog8530 serial support"
630 	  This driver supports the Zilog8530 serial ports found on SGI
631 	  systems.  Say Y or M if you want to be able to these serial ports.
634 	bool "Console on SGI Zilog8530 serial port"
639 	tristate "SuperH SCI(F) serial port support"
645 	int "Maximum number of SCI(F) serial ports" if EXPERT
672 	tristate "LPC32XX high speed serial port support"
677 	  Support for the LPC32XX high speed serial ports (up to 900kbps).
683 	bool "Enable LPC32XX high speed UART serial console"
687 	  If you would like to be able to use one of the high speed serial
701 	bool "Coldfire serial support"
705 	  This serial driver supports the Freescale Coldfire serial ports.
708 	int "Default baudrate for Coldfire serial ports"
713 	  ColdFire serial ports. The usual default varies from board to board,
717 	bool "Coldfire serial console support"
721 	  Enable a ColdFire internal serial port to be the system console.
728 	  This driver supports the Zilog z85C30 serial ports found on
730 	  Say Y or M if you want to be able to these serial ports.
738 	  8250 serial port driver also uses these numbers, which means
744 	  the pmac_zilog and 8250 drivers to co-exist, but may cause
746 	  access the built-in serial ports on powermacs will need to
751 	  unable to use the 8250 module for PCMCIA or other 16C550-style
758 	bool "Console on Mac or PowerMac z85c30 serial port"
762 	  If you would like to be able to use the z85c30 serial port
767 	tristate "CPM SCC/SMC serial port support"
771 	  This driver supports the SCC and SMC serial ports on Motorola
775 	bool "Support for console on CPM SCC/SMC serial port"
791 	tristate "Microchip PIC32 serial support"
795 	  If you have a PIC32, this driver supports the serial ports.
797 	  Say Y or M to use PIC32 serial ports, otherwise say N. Note that
798 	  to use a serial port as a console, this must be included in kernel and
802 	bool "PIC32 serial console support"
807 	  of the serial ports.
812 	tristate "Freescale MPC52xx/MPC512x family PSC serial support"
816 	  This driver supports MPC52xx and MPC512x PSC serial ports. If you would
822 	bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port"
826 	  Select this options if you'd like to use one of the PSC serial port
830 	int "Freescale MPC52xx/MPC512x family PSC serial port baud"
839 	tristate "IBM Multiport Serial Adapter"
845 	  This driver is for a family of multiport serial adapters
862 	int "Maximum number of TMPTX39XX/49XX SIO ports"
872 	bool "TX39XX/49XX SIO act as standard serial"
881 	  of cards which provide multiple serial ports. You would need
883 	  box, for instance in order to become a dial-in server. This driver
892 	tristate "MSM on-chip serial port support"
897 	bool "MSM serial console support"
903 	tristate "QCOM on-chip GENI based serial port support"
909 	bool "QCOM GENI Serial Console support"
914 	  Serial console driver for Qualcomm Technologies Inc's GENI based
918 	bool "VIA VT8500 on-chip serial port support"
923 	bool "VIA VT8500 serial console support"
928 	tristate "OMAP serial port support"
933 	  can enable its onboard serial ports by enabling this option.
936 	  with the omap-serial driver. DMA support can be enabled from platform
940 	bool "Console on OMAP serial port"
944 	  Select this option if you would like to use omap serial port as
982 	tristate "Lantiq serial driver"
1000 	tristate "Freescale QUICC Engine serial port support"
1005 	  This driver supports the QE serial ports on Freescale embedded
1009 	tristate "SCCNXP serial port support"
1017 	bool "Console on SCCNXP serial port"
1021 	  Support for console on SCCNXP serial ports.
1027 	tristate "SC16IS7xx serial support"
1031 	  This selects support for SC16IS7xx serial ports.
1079 	    BCM7xxx (STB) - DOCSIS console
1082 	bool "Console on BCM63xx serial port"
1087 	  If you have enabled the serial port on the BCM63xx CPU
1091 	tristate "GRLIB APBUART serial support"
1095 	Add support for the GRLIB APBUART serial port.
1098 	bool "Console on GRLIB APBUART serial port"
1133 	int "Maximum number of Altera UART ports"
1137 	  This setting lets you define the maximum number of the Altera
1169 	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
1216 	tristate "AR933X serial port support"
1222 	  built-in UART of the SoC, say Y to this option.
1228 	bool "Console on AR933X serial port"
1232 	  Enable a built-in UART port of the AR933X to be the system console.
1235 	int "Maximum number of AR933X serial ports"
1239 	  Set this to the number of serial ports you want the driver
1259 	  Driver for on-chip UART for ARC(Synopsys) for the legacy
1271 	int "Number of ARC UART ports"
1276 	  Set this to the number of serial ports you want the driver
1285 	  RocketPort INFINITY families of PCI/PCIe multiport serial adapters.
1296 	int "Maximum number of RocketPort EXPRESS/INFINITY ports"
1304 	tristate "Freescale lpuart serial port support"
1308 	  Support for the on-chip lpuart on some Freescale SOCs.
1311 	bool "Console on Freescale lpuart serial port"
1316 	  If you have enabled the lpuart serial port on the Freescale SoCs,
1320 	tristate "Freescale LINFlexD UART serial port support"
1324 	  Support for the on-chip LINFlexD UART on some Freescale SOCs.
1327 	bool "Console on Freescale LINFlexD UART serial port"
1332 	  If you have enabled the LINFlexD UART serial port on the Freescale
1336 	tristate "Conexant Digicolor CX92xxx USART serial port support"
1340 	  Support for the on-chip USART on Conexant Digicolor SoCs.
1343 	bool "Console on Conexant Digicolor serial port"
1347 	  If you have enabled the USART serial port on Conexant Digicolor
1351 	tristate "ST ASC serial port support"
1355 	  This driver is for the on-chip Asynchronous Serial Controller on
1372 	  Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core
1379 	tristate "Support for Spreadtrum serial"
1383 	  This enables the driver for the Spreadtrum's serial.
1391 	  Support for early debug console using Spreadtrum's serial. This enables
1392 	  the console before standard serial driver is probed. This is enabled
1397 	tristate "STMicroelectronics STM32 serial port support"
1402 	  This driver is for the on-chip Serial Controller on
1416 	bool "Marvell EBU serial port support"
1422 	  based on the Armada-3700 SoC and wish to use the on-board serial
1428 	bool "Console on Marvell EBU serial port"
1434 	  Say 'Y' here if you wish to use Armada-3700 UART as the system console.
1440 	tristate "Actions Semi Owl serial port support"
1445 	  Say 'Y' here if you wish to use the on-board serial port.
1449 	bool "Console on Actions Semi Owl serial port"
1459 	bool "RDA Micro serial port support"
1464 	  Say 'Y' here if you wish to use the on-board serial port.
1468 	bool "Console on RDA Micro serial port"
1478 	tristate "Milbeaut USIO/UART serial port support"
1486 	int "Maximum number of CSIO/UART ports (1-8)"
1492 	bool "Support for console on MILBEAUT USIO/UART serial port"
1504 	tristate "LiteUART serial port support"
1510 	  This driver is for the FPGA-based LiteUART serial controller from LiteX
1513 	  Say 'Y' or 'M' here if you wish to use the LiteUART serial controller.
1517 	int "Maximum number of LiteUART ports"
1521 	  Set this to the maximum number of serial ports you want the driver
1525 	bool "LiteUART serial port console support"
1530 	  Say 'Y' or 'M' here if you wish to use the FPGA-based LiteUART serial
1541 	  Select this option if you would like to use Sunplus serial port on
1543 	  If you enable this option, Sunplus serial ports in the system will
1546 	  called sunplus-uart.
1569 	  module. If you enable this option, Ma35D1 serial ports in the system