Kconfig - OpenGrok cross reference for /OK3568_Linux_fs/kernel/drivers/tty/serial/Kconfig

1 # SPDX-License-Identifier: GPL-2.0
7 	depends on HAS_IOMEM
11 	depends on SERIAL_CORE
19 comment "Non-8250 serial port support"
23 	depends on ARM_AMBA
33 	bool "Support for console on AMBA serial port"
34 	depends on SERIAL_AMBA_PL010=y
37 	  Say Y here if you wish to use an AMBA PrimeCell UART as the system
38 	  console (the system console is the device which receives all kernel
42 	  (/dev/tty0) will still be used as the system console by default, but
50 	depends on ARM_AMBA
60 	bool "Support for console on AMBA serial port"
61 	depends on SERIAL_AMBA_PL011=y
65 	  Say Y here if you wish to use an AMBA PrimeCell UART as the system
66 	  console (the system console is the device which receives all kernel
70 	  (/dev/tty0) will still be used as the system console by default, but
78 	depends on ARM64 || ARM
85 	  with "earlycon=smh" on the kernel command line. The console is
89 	bool "Early console using RISC-V SBI"
90 	depends on RISCV_SBI_V01
95 	  Support for early debug console using RISC-V SBI. This enables
97 	  with "earlycon=sbi" on the kernel command line. The console is
101 	tristate "BCM1xxx on-chip DUART serial support"
102 	depends on SIBYTE_SB1xxx_SOC=y
107 	  the BCM1250 and derived System-On-a-Chip (SOC) devices.  Note that
109 	  is implemented.  Depending on the SOC configuration there may be
113 	  the module will be called sb1250-duart.
116 	bool "Support for console on a BCM1xxx DUART serial port"
117 	depends on SERIAL_SB1250_DUART=y
122 	  system console (the system console is the device which receives all
129 	bool "AT91 on-chip serial port support"
130 	depends on ARCH_AT91 || COMPILE_TEST
135 	  This enables the driver for the on-chip UARTs of the Atmel
139 	bool "Support for console on AT91 serial port"
140 	depends on SERIAL_ATMEL=y
143 	  Say Y here if you wish to use an on-chip UART on a Atmel
144 	  AT91 processor as the system console (the system
149 	bool "Support DMA transfers on AT91 serial port"
150 	depends on SERIAL_ATMEL
165 	depends on SERIAL_ATMEL=y
182 	depends on KGDB_SERIAL_CONSOLE
201 	depends on ARCH_MESON
204 	  This enables the driver for the on-chip UARTs of the Amlogic
208 	bool "Support for console on meson"
209 	depends on SERIAL_MESON
214 	  system console (the system console is the device which
220 	depends on ARCH_CLPS711X || COMPILE_TEST
224 	  This enables the driver for the on-chip UARTs of the Cirrus
228 	bool "Support for console on CLPS711X serial port"
229 	depends on SERIAL_CLPS711X=y
233 	  (/dev/tty0) will still be used as the system console by default, but
241 	  Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
243 	  provide all of these ports, depending on how the serial port
248 	depends on SERIAL_SAMSUNG
255 	depends on SERIAL_SAMSUNG
263 	bool "Support for console on Samsung SoC serial port"
264 	depends on SERIAL_SAMSUNG=y
268 	  Allow selection of the S3C24XX on-board serial ports for use as
272 	  (/dev/tty0) will still be used as the system console by default, but
280 	depends on ARCH_SIRF
283 	  Support for the on-chip UART on the CSR SiRFprimaII series,
285 	  provide all of these ports, depending on how the serial port
289 	bool "Support for console on SiRF SoC serial port"
290 	depends on SERIAL_SIRFSOC=y
294 	  (/dev/tty0) will still be used as the system console by default, but
302 	depends on ARCH_TEGRA && TEGRA20_APB_DMA
305 	  Support for the on-chip UARTs on the NVIDIA Tegra series SOCs
307 	  provide all of these ports, depending on how the serial port
313 	depends on ARCH_TEGRA && TEGRA_HSP_MBOX
316 	  Support for the mailbox-based TCU (Tegra Combined UART) serial port.
321 	bool "Support for console on a Tegra TCU serial port"
322 	depends on SERIAL_TEGRA_TCU=y
327 	  system console (the system console is the device which receives all
335 	depends on SPI
338 	  MAX3100 chip support
342 	depends on SPI_MASTER
349 	  that can be controlled through I2C or high-speed SPI.
355 	depends on MACH_DECSTATION && 32BIT
359 	  DZ11-family serial controllers for DECstations and VAXstations,
363 	bool "Support console on DECstation DZ serial driver"
364 	depends on SERIAL_DZ=y
369 	  system console (the system console is the device which receives all
373 	  Note that the firmware uses ttyS3 as the serial console on
380 	depends on MACH_DECSTATION
393 	bool "Support for console on a DECstation Z85C30 serial port"
394 	depends on SERIAL_ZS=y
399 	  system console (the system console is the device which receives all
403 	  Note that the firmware uses ttyS1 as the serial console on the
404 	  Maxine and ttyS3 on the others using this driver.
410 	depends on FOOTBRIDGE
413 	  If you have a machine based on a 21285 (Footbridge) StrongARM(R)/
418 	bool "Console on DC21285 serial port"
419 	depends on SERIAL_21285=y
422 	  If you have enabled the serial port on the 21285 footbridge you can
426 	  (/dev/tty0) will still be used as the system console by default, but
434 	depends on ARCH_PXA || ARCH_MMP
439 	  If you have a machine based on an Intel XScale PXA2xx CPU you
447 	depends on !SERIAL_8250
450 	bool "Console on PXA serial port (DEPRECATED)"
451 	depends on SERIAL_PXA
455 	  If you have enabled the serial port on the Intel XScale PXA
459 	  (/dev/tty0) will still be used as the system console by default, but
470 	depends on ARCH_SA1100
474 	  If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you
480 	bool "Console on SA1100 serial port"
481 	depends on SERIAL_SA1100
484 	  If you have enabled the serial port on the SA1100/SA1110 StrongARM
488 	  (/dev/tty0) will still be used as the system console by default, but
496 	depends on ARCH_MXC || COMPILE_TEST
501 	  If you have a machine based on a Motorola IMX CPU you
505 	tristate "Console on IMX serial port"
506 	depends on SERIAL_IMX
509 	  If you have enabled the serial port on the Freescale IMX
513 	  (/dev/tty0) will still be used as the system console by default, but
519 	bool "Earlycon on IMX serial port"
520 	depends on ARCH_MXC || COMPILE_TEST
521 	depends on OF
526 	  If you have enabled the earlycon on the Freescale IMX
531 	depends on HAS_IOMEM
540 	bool "Support for console on Xilinx uartlite serial port"
541 	depends on SERIAL_UARTLITE=y
545 	  Say Y here if you wish to use a Xilinx uartlite as the system
546 	  console (the system console is the device which receives all kernel
551 	depends on SERIAL_UARTLITE
555 	  Set this to the number of uartlites in your system, or the number
560 	depends on SPARC
567 	depends on SPARC
569 	  This driver supports the Zilog8530 serial ports found on many Sparc
573 	bool "Console on Sun Zilog8530 serial port"
574 	depends on SERIAL_SUNZILOG=y
577 	  on your Sparc system as the console, you can do so by answering
582 	depends on SPARC && PCI
585 	  mouse on (PCI) UltraSPARC systems.  Say Y or M if you want to be able
589 	bool "Console on Sun SU serial port"
590 	depends on SERIAL_SUNSU=y
593 	  on your Sparc system as the console, you can do so by answering
598 	depends on GSC
610 	    2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
611 	    3. Add device ttyB0 to /etc/securetty (if you want to log on as
612 		 root on this console.)
616 	bool "Support for console on serial MUX"
617 	depends on SERIAL_MUX=y
623 	depends on PARISC && !SERIAL_MUX && VT
626 	  used as the system console.  This is useful for machines in
631 	    2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
632 	    3. Add device ttyB0 to /etc/securetty (if you want to log on as
633 		 root on this console.)
638 	depends on SPARC && PCI
640 	  This driver supports the Siemens SAB82532 DUSCC serial ports on newer
645 	bool "Console on Sun Siemens SAB82532 serial port"
646 	depends on SERIAL_SUNSAB=y
649 	  on your Sparc system as the console, you can do so by answering
654 	depends on SPARC64
656 	  This driver supports the console device found on SUN4V Sparc
661 	depends on SGI_HAS_ZILOG
664 	  This driver supports the Zilog8530 serial ports found on SGI
668 	bool "Console on SGI Zilog8530 serial port"
669 	depends on SERIAL_IP22_ZILOG=y
674 	depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST
682 	depends on SERIAL_SH_SCI
689 	bool "Support for console on SuperH SCI(F)" if EXPERT
690 	depends on SERIAL_SH_SCI=y
695 	bool "Support for early console on SuperH SCI(F)" if EXPERT
696 	depends on SERIAL_SH_SCI=y
703 	depends on SERIAL_SH_SCI && DMA_ENGINE
708 	depends on SOC_PNX833X
711 	  If you have a MIPS-based Philips SoC such as PNX8330 and you want
716 	depends on SERIAL_PNX8XXX
719 	  If you have a MIPS-based Philips SoC such as PNX8330 and you want
724 	depends on ARCH_LPC32XX || COMPILE_TEST
725 	depends on OF
729 	  Those are UARTs completely different from the Standard UARTs on the
735 	depends on SERIAL_HS_LPC32XX=y
739 	  ports on the LPC32XX as the console, you can do so by answering
753 	depends on COLDFIRE
760 	depends on SERIAL_MCF
769 	depends on SERIAL_MCF
772 	  Enable a ColdFire internal serial port to be the system console.
776 	depends on (M68K && MAC) || PPC_PMAC
779 	  This driver supports the Zilog z85C30 serial ports found on
785 	depends on SERIAL_PMACZILOG
787 	  The pmac_zilog driver for the z85C30 chip on many powermacs
795 	  the pmac_zilog and 8250 drivers to co-exist, but may cause
797 	  access the built-in serial ports on powermacs will need to
800 	  If you enable this option, any z85c30 ports in the system will
802 	  unable to use the 8250 module for PCMCIA or other 16C550-style
805 	  Say N unless you need the z85c30 ports on your (Power)Mac
809 	bool "Console on Mac or PowerMac z85c30 serial port"
810 	depends on SERIAL_PMACZILOG=y
814 	  on your (Power)Mac as the console, you can do so by answering
819 	depends on CPM2 || CPM1
822 	  This driver supports the SCC and SMC serial ports on Motorola
826 	bool "Support for console on CPM SCC/SMC serial port"
827 	depends on SERIAL_CPM=y
830 	  Say Y here if you wish to use a SCC or SMC CPM UART as the system
831 	  console (the system console is the device which receives all kernel
835 	  (/dev/tty0) will still be used as the system console by default, but
843 	depends on MACH_PIC32
854 	depends on SERIAL_PIC32
857 	  If you have a PIC32, this driver supports the putting a console on one
864 	depends on PPC_MPC52xx || PPC_MPC512x
873 	bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port"
874 	depends on SERIAL_MPC52xx=y
882 	depends on SERIAL_MPC52xx_CONSOLE=y
891 	depends on PCI && PPC_PSERIES
904 	depends on HAS_TXX9_SERIAL
913 	depends on SERIAL_TXX9
918 	depends on SERIAL_TXX9=y
923 	depends on !SERIAL_8250 && SERIAL_TXX9
927 	depends on CPU_VR41XX
936 	depends on SERIAL_VR41XX=y
940 	  a console on a serial port, say Y.  Otherwise, say N.
944 	depends on PCI
950 	  box, for instance in order to become a dial-in server. This driver
959 	tristate "MSM on-chip serial port support"
960 	depends on ARCH_QCOM
965 	depends on SERIAL_MSM=y
970 	bool "MSM on-chip GENI HW based early console support"
978 	tristate "QCOM on-chip GENI based serial port support"
979 	depends on ARCH_QCOM || COMPILE_TEST
980 	depends on QCOM_GENI_SE
985 	depends on SERIAL_QCOM_GENI
993 	bool "VIA VT8500 on-chip serial port support"
994 	depends on ARCH_VT8500
999 	depends on SERIAL_VT8500=y
1004 	depends on ARCH_OMAP2PLUS
1007 	  If you have a machine based on an Texas Instruments OMAP CPU you
1011 	  with the omap-serial driver. DMA support can be enabled from platform
1015 	bool "Console on OMAP serial port"
1016 	depends on SERIAL_OMAP=y
1023 	  (/dev/tty0) will still be used as the system console by default, but
1031 	depends on OF
1035 	  contains a SiFive UART IP block.  This type of UART is present on
1039 	bool "Console on SiFive UART"
1040 	depends on SERIAL_SIFIVE=y
1045 	  system console.
1048 	  (/dev/tty0) will still be used as the system console by default, but
1056 	depends on (LANTIQ || X86) || COMPILE_TEST
1059 	  Support for UART on Lantiq and Intel SoCs.
1064 	bool "Console on Lantiq UART"
1065 	depends on SERIAL_LANTIQ=y
1070 	  system console.
1074 	depends on QUICC_ENGINE
1078 	  This driver supports the QE serial ports on Freescale embedded
1090 	bool "Console on SCCNXP serial port"
1091 	depends on SERIAL_SCCNXP=y
1094 	  Support for console on SCCNXP serial ports.
1102 	depends on (SPI_MASTER && !I2C) || I2C
1110 	depends on SERIAL_SC16IS7XX
1111 	depends on I2C
1116 	  Enable SC16IS7xx driver on I2C bus,
1123 	depends on SERIAL_SC16IS7XX
1124 	depends on SPI_MASTER
1128 	  Enable SC16IS7xx driver on SPI bus,
1136 	depends on X86_32 || COMPILE_TEST
1138 	Add support for UART controller on timberdale.
1143 	depends on MIPS || ARM || COMPILE_TEST
1145 	  This enables the driver for the onchip UART core found on
1151 	    BCM7xxx (STB) - DOCSIS console
1154 	bool "Console on BCM63xx serial port"
1155 	depends on SERIAL_BCM63XX=y
1159 	  If you have enabled the serial port on the BCM63xx CPU
1164 	depends on OF && SPARC
1170 	bool "Console on GRLIB APBUART serial port"
1171 	depends on SERIAL_GRLIB_GAISLER_APBUART=y
1174 	Support for running a console on the GRLIB APBUART
1184 	depends on SERIAL_ALTERA_JTAGUART=y
1188 	  Enable a Altera JTAG UART port to be the system console.
1192 	depends on SERIAL_ALTERA_JTAGUART_CONSOLE
1206 	depends on SERIAL_ALTERA_UART
1215 	depends on SERIAL_ALTERA_UART
1224 	depends on SERIAL_ALTERA_UART=y
1228 	  Enable a Altera UART port to be the system console.
1232 	depends on GPIOLIB || COMPILE_TEST
1233 	depends on SPI && HAS_DMA
1235 	  Support for the IFX6x60 modem devices on Intel MID platforms.
1239 	depends on PCI && (X86_32 || MIPS ||  COMPILE_TEST)
1248 	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
1250 	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1254 	bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH"
1255 	depends on SERIAL_PCH_UART=y
1258 	  Say Y here if you wish to use the PCH UART as the system console
1259 	  (the system  console is the device which receives all kernel messages and
1264 	depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST
1273 	depends on SERIAL_MXS_AUART=y
1276 	  Enable a MXS AUART port to be the system console.
1280 	depends on OF
1288 	depends on SERIAL_XILINX_PS_UART=y
1292 	  Enable a Cadence UART port to be the system console.
1296 	depends on HAVE_CLK && ATH79
1301 	  built-in UART of the SoC, say Y to this option.
1307 	bool "Console on AR933X serial port"
1308 	depends on SERIAL_AR933X=y
1311 	  Enable a built-in UART port of the AR933X to be the system console.
1315 	depends on SERIAL_AR933X
1323 	depends on ARM && (ARCH_EFM32 || COMPILE_TEST)
1326 	  This driver support the USART and UART ports on
1331 	depends on SERIAL_MPS2_UART
1337 	depends on ARCH_MPS2 || COMPILE_TEST
1340 	  This driver support the UART ports on ARM MPS2.
1344 	depends on SERIAL_EFM32_UART=y
1351 	  Driver for on-chip UART for ARC(Synopsys) for the legacy
1355 	bool "Console on ARC UART"
1356 	depends on SERIAL_ARC=y
1360 	  Enable system Console on ARC UART
1364 	depends on SERIAL_ARC
1373 	depends on PCI
1389 	depends on SERIAL_RP2
1397 	depends on HAS_DMA
1400 	  Support for the on-chip lpuart on some Freescale SOCs.
1403 	bool "Console on Freescale lpuart serial port"
1404 	depends on SERIAL_FSL_LPUART=y
1408 	  If you have enabled the lpuart serial port on the Freescale SoCs,
1413 	depends on PRINTK
1416 	  Support for the on-chip LINFlexD UART on some Freescale SOCs.
1419 	bool "Console on Freescale LINFlexD UART serial port"
1420 	depends on SERIAL_FSL_LINFLEXUART=y
1424 	  If you have enabled the LINFlexD UART serial port on the Freescale
1429 	depends on OF
1432 	  Support for the on-chip USART on Conexant Digicolor SoCs.
1435 	bool "Console on Conexant Digicolor serial port"
1436 	depends on SERIAL_CONEXANT_DIGICOLOR=y
1439 	  If you have enabled the USART serial port on Conexant Digicolor
1445 	depends on ARM || COMPILE_TEST
1447 	  This driver is for the on-chip Asychronous Serial Controller on
1455 	bool "Support for console on ST ASC"
1456 	depends on SERIAL_ST_ASC=y
1462 	depends on MCB
1464 	  Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core
1465 	  on a MCB carrier.
1473 	depends on COMMON_CLK
1479 	depends on SERIAL_SPRD=y
1485 	  with "earlycon" on the kernel command line. The console is
1491 	depends on ARCH_STM32 || COMPILE_TEST
1494 	  This driver is for the on-chip Serial Controller on
1502 	bool "Support for console on STM32"
1503 	depends on SERIAL_STM32=y
1508 	depends on ARCH_MVEBU || COMPILE_TEST
1512 	  based on the Armada-3700 SoC and wish to use the on-board serial
1518 	bool "Console on Marvell EBU serial port"
1519 	depends on SERIAL_MVEBU_UART
1524 	  Say 'Y' here if you wish to use Armada-3700 UART as the system console.
1525 	  (the system console is the device which receives all kernel messages
1531 	depends on ARCH_ACTIONS || COMPILE_TEST
1535 	  Say 'Y' here if you wish to use the on-board serial port.
1539 	bool "Console on Actions Semi Owl serial port"
1540 	depends on SERIAL_OWL=y
1546 	  as the system console.
1550 	depends on ARCH_RDA || COMPILE_TEST
1554 	  Say 'Y' here if you wish to use the on-board serial port.
1558 	bool "Console on RDA Micro serial port"
1559 	depends on SERIAL_RDA=y
1564 	  Say 'Y' here if you wish to use the RDA8810PL UART as the system
1569 	depends on ARCH_MILBEAUT || (COMPILE_TEST && OF)
1576 	int "Maximum number of CSIO/UART ports (1-8)"
1578 	depends on SERIAL_MILBEAUT_USIO
1582 	bool "Support for console on MILBEAUT USIO/UART serial port"
1583 	depends on SERIAL_MILBEAUT_USIO=y
1589 	  SoCs as the system console (the system console is the device which