Kconfig - OpenGrok cross reference for /linux-6.12.1/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.
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"
329 	  that can be controlled through I2C or high-speed SPI.
334 	bool "DECstation DZ serial driver"
339 	  DZ11-family serial controllers for DECstations and VAXstations,
343 	bool "Support console on DECstation DZ serial driver"
348 	  If you say Y here, it will be possible to use a serial port as the
353 	  Note that the firmware uses ttyS3 as the serial console on
359 	tristate "DECstation Z85C30 serial support"
364 	  Support for the Zilog 85C350 serial communications controller used
365 	  for serial ports in newer DECstation systems.  These include the
373 	bool "Support for console on a DECstation Z85C30 serial port"
378 	  If you say Y here, it will be possible to use a serial port as the
383 	  Note that the firmware uses ttyS1 as the serial console on the
389 	tristate "DC21285 serial port support"
394 	  PCI bridge you can enable its onboard serial port by enabling this
398 	bool "Console on DC21285 serial port"
402 	  If you have enabled the serial port on the 21285 footbridge you can
413 	bool "PXA serial port support (DEPRECATED)"
420 	  can enable its onboard serial ports by enabling this option.
430 	bool "Console on PXA serial port (DEPRECATED)"
435 	  If you have enabled the serial port on the Intel XScale PXA
449 	bool "SA1100 serial port support"
455 	  can enable its onboard serial port by enabling this option.
460 	bool "Console on SA1100 serial port"
464 	  If you have enabled the serial port on the SA1100/SA1110 StrongARM
475 	tristate "IMX serial port support"
482 	  can enable its onboard serial port by enabling this option.
485 	tristate "Console on IMX serial port"
489 	  If you have enabled the serial port on the Freescale IMX
499 	bool "Earlycon on IMX serial port"
511 	tristate "Xilinx uartlite serial port support"
515 	  Say Y here if you want to use the Xilinx uartlite serial controller.
521 	bool "Support for console on Xilinx uartlite serial port"
531 	int "Maximum number of uartlite serial ports"
538 	  If maximum number of uartlite serial ports is more than 4, then the
550 	tristate "Sun Zilog8530 serial support"
553 	  This driver supports the Zilog8530 serial ports found on many Sparc
554 	  systems.  Say Y or M if you want to be able to these serial ports.
557 	bool "Console on Sun Zilog8530 serial port"
560 	  If you would like to be able to use the Zilog8530 serial port
565 	tristate "Sun SU serial support"
568 	  This driver supports the 8250 serial ports that run the keyboard and
570 	  to these serial ports.
573 	bool "Console on Sun SU serial port"
576 	  If you would like to be able to use the SU serial port
581 	tristate "Serial MUX support"
586 	  Saying Y here will enable the hardware MUX serial driver for
588 	  The hardware MUX is not 8250/16550 compatible therefore the
589 	  /dev/ttyB0 device is shared between the Serial MUX and the PDC
591 	  the Serial MUX:
600 	bool "Support for console on serial MUX"
606 	tristate "Sun Siemens SAB82532 serial support"
609 	  This driver supports the Siemens SAB82532 DUSCC serial ports on newer
611 	  serial ports.
614 	bool "Console on Sun Siemens SAB82532 serial port"
617 	  If you would like to be able to use the SAB82532 serial port
629 	tristate "SGI Zilog8530 serial support"
633 	  This driver supports the Zilog8530 serial ports found on SGI
634 	  systems.  Say Y or M if you want to be able to these serial ports.
637 	bool "Console on SGI Zilog8530 serial port"
642 	tristate "SuperH SCI(F) serial port support"
648 	int "Maximum number of SCI(F) serial ports" if EXPERT
675 	tristate "LPC32XX high speed serial port support"
680 	  Support for the LPC32XX high speed serial ports (up to 900kbps).
686 	bool "Enable LPC32XX high speed UART serial console"
690 	  If you would like to be able to use one of the high speed serial
704 	bool "Coldfire serial support"
708 	  This serial driver supports the Freescale Coldfire serial ports.
711 	int "Default baudrate for Coldfire serial ports"
716 	  ColdFire serial ports. The usual default varies from board to board,
720 	bool "Coldfire serial console support"
724 	  Enable a ColdFire internal serial port to be the system console.
731 	  This driver supports the Zilog z85C30 serial ports found on
733 	  Say Y or M if you want to be able to these serial ports.
741 	  8250 serial port driver also uses these numbers, which means
747 	  the pmac_zilog and 8250 drivers to co-exist, but may cause
749 	  access the built-in serial ports on powermacs will need to
754 	  unable to use the 8250 module for PCMCIA or other 16C550-style
761 	bool "Console on Mac or PowerMac z85c30 serial port"
765 	  If you would like to be able to use the z85c30 serial port
770 	tristate "CPM SCC/SMC serial port support"
774 	  This driver supports the SCC and SMC serial ports on Motorola
778 	bool "Support for console on CPM SCC/SMC serial port"
794 	tristate "Microchip PIC32 serial support"
798 	  If you have a PIC32, this driver supports the serial ports.
800 	  Say Y or M to use PIC32 serial ports, otherwise say N. Note that
801 	  to use a serial port as a console, this must be included in kernel and
805 	bool "PIC32 serial console support"
810 	  of the serial ports.
815 	tristate "Freescale MPC52xx/MPC512x family PSC serial support"
819 	  This driver supports MPC52xx and MPC512x PSC serial ports. If you would
825 	bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port"
829 	  Select this options if you'd like to use one of the PSC serial port
833 	int "Freescale MPC52xx/MPC512x family PSC serial port baud"
842 	tristate "IBM Multiport Serial Adapter"
848 	  This driver is for a family of multiport serial adapters
875 	bool "TX39XX/49XX SIO act as standard serial"
884 	  of cards which provide multiple serial ports. You would need
886 	  box, for instance in order to become a dial-in server. This driver
895 	tristate "MSM on-chip serial port support"
900 	bool "MSM serial console support"
906 	tristate "QCOM on-chip GENI based serial port support"
912 	bool "QCOM GENI Serial Console support"
917 	  Serial console driver for Qualcomm Technologies Inc's GENI based
921 	bool "VIA VT8500 on-chip serial port support"
926 	bool "VIA VT8500 serial console support"
931 	tristate "OMAP serial port support"
936 	  can enable its onboard serial ports by enabling this option.
939 	  with the omap-serial driver. DMA support can be enabled from platform
943 	bool "Console on OMAP serial port"
947 	  Select this option if you would like to use omap serial port as
985 	tristate "Lantiq serial driver"
1003 	tristate "Freescale QUICC Engine serial port support"
1008 	  This driver supports the QE serial ports on Freescale embedded
1012 	tristate "SCCNXP serial port support"
1020 	bool "Console on SCCNXP serial port"
1024 	  Support for console on SCCNXP serial ports.
1072 	    BCM7xxx (STB) - DOCSIS console
1075 	bool "Console on BCM63xx serial port"
1080 	  If you have enabled the serial port on the BCM63xx CPU
1084 	tristate "GRLIB APBUART serial support"
1088 	Add support for the GRLIB APBUART serial port.
1091 	bool "Console on GRLIB APBUART serial port"
1162 	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
1209 	tristate "AR933X serial port support"
1215 	  built-in UART of the SoC, say Y to this option.
1221 	bool "Console on AR933X serial port"
1225 	  Enable a built-in UART port of the AR933X to be the system console.
1228 	int "Maximum number of AR933X serial ports"
1232 	  Set this to the number of serial ports you want the driver
1252 	  Driver for on-chip UART for ARC(Synopsys) for the legacy
1269 	  Set this to the number of serial ports you want the driver
1278 	  RocketPort INFINITY families of PCI/PCIe multiport serial adapters.
1297 	tristate "Freescale lpuart serial port support"
1301 	  Support for the on-chip lpuart on some Freescale SOCs.
1304 	bool "Console on Freescale lpuart serial port"
1309 	  If you have enabled the lpuart serial port on the Freescale SoCs,
1313 	tristate "Freescale LINFlexD UART serial port support"
1317 	  Support for the on-chip LINFlexD UART on some Freescale SOCs.
1320 	bool "Console on Freescale LINFlexD UART serial port"
1325 	  If you have enabled the LINFlexD UART serial port on the Freescale
1329 	tristate "Conexant Digicolor CX92xxx USART serial port support"
1333 	  Support for the on-chip USART on Conexant Digicolor SoCs.
1336 	bool "Console on Conexant Digicolor serial port"
1340 	  If you have enabled the USART serial port on Conexant Digicolor
1344 	tristate "ST ASC serial port support"
1348 	  This driver is for the on-chip Asynchronous Serial Controller on
1365 	  Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core
1372 	tristate "Support for Spreadtrum serial"
1376 	  This enables the driver for the Spreadtrum's serial.
1384 	  Support for early debug console using Spreadtrum's serial. This enables
1385 	  the console before standard serial driver is probed. This is enabled
1390 	tristate "STMicroelectronics STM32 serial port support"
1395 	  This driver is for the on-chip Serial Controller on
1409 	bool "Marvell EBU serial port support"
1415 	  based on the Armada-3700 SoC and wish to use the on-board serial
1421 	bool "Console on Marvell EBU serial port"
1427 	  Say 'Y' here if you wish to use Armada-3700 UART as the system console.
1433 	tristate "Actions Semi Owl serial port support"
1438 	  Say 'Y' here if you wish to use the on-board serial port.
1442 	bool "Console on Actions Semi Owl serial port"
1452 	bool "RDA Micro serial port support"
1457 	  Say 'Y' here if you wish to use the on-board serial port.
1461 	bool "Console on RDA Micro serial port"
1471 	tristate "Milbeaut USIO/UART serial port support"
1479 	int "Maximum number of CSIO/UART ports (1-8)"
1485 	bool "Support for console on MILBEAUT USIO/UART serial port"
1497 	tristate "LiteUART serial port support"
1503 	  This driver is for the FPGA-based LiteUART serial controller from LiteX
1506 	  Say 'Y' or 'M' here if you wish to use the LiteUART serial controller.
1514 	  Set this to the maximum number of serial ports you want the driver
1518 	bool "LiteUART serial port console support"
1523 	  Say 'Y' or 'M' here if you wish to use the FPGA-based LiteUART serial
1534 	  Select this option if you would like to use Sunplus serial port on
1536 	  If you enable this option, Sunplus serial ports in the system will
1539 	  called sunplus-uart.
1562 	  module. If you enable this option, Ma35D1 serial ports in the system