| blob | 52eaac21ff9f5490a6d070a19c7c696dac31bdf0 |
1 # SPDX-License-Identifier: GPL-2.0
2 #
3 # Serial device configuration
4 #
6 if TTY
8 menu "Serial drivers"
9 depends on HAS_IOMEM
11 config SERIAL_EARLYCON
12 bool
13 help
14 Support for early consoles with the earlycon parameter. This enables
15 the console before standard serial driver is probed. The console is
16 enabled when early_param is processed.
18 source "drivers/tty/serial/8250/Kconfig"
20 comment "Non-8250 serial port support"
22 config SERIAL_AMBA_PL010
23 tristate "ARM AMBA PL010 serial port support"
24 depends on ARM_AMBA
25 select SERIAL_CORE
26 help
27 This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
28 an Integrator/AP or Integrator/PP2 platform, or if you have a
29 Cirrus Logic EP93xx CPU, say Y or M here.
31 If unsure, say N.
33 config SERIAL_AMBA_PL010_CONSOLE
34 bool "Support for console on AMBA serial port"
35 depends on SERIAL_AMBA_PL010=y
36 select SERIAL_CORE_CONSOLE
37 ---help---
38 Say Y here if you wish to use an AMBA PrimeCell UART as the system
39 console (the system console is the device which receives all kernel
40 messages and warnings and which allows logins in single user mode).
42 Even if you say Y here, the currently visible framebuffer console
43 (/dev/tty0) will still be used as the system console by default, but
44 you can alter that using a kernel command line option such as
45 "console=ttyAM0". (Try "man bootparam" or see the documentation of
46 your boot loader (lilo or loadlin) about how to pass options to the
47 kernel at boot time.)
49 config SERIAL_AMBA_PL011
50 tristate "ARM AMBA PL011 serial port support"
51 depends on ARM_AMBA
52 select SERIAL_CORE
53 help
54 This selects the ARM(R) AMBA(R) PrimeCell PL011 UART. If you have
55 an Integrator/PP2, Integrator/CP or Versatile platform, say Y or M
56 here.
58 If unsure, say N.
60 config SERIAL_AMBA_PL011_CONSOLE
61 bool "Support for console on AMBA serial port"
62 depends on SERIAL_AMBA_PL011=y
63 select SERIAL_CORE_CONSOLE
64 select SERIAL_EARLYCON
65 ---help---
66 Say Y here if you wish to use an AMBA PrimeCell UART as the system
67 console (the system console is the device which receives all kernel
68 messages and warnings and which allows logins in single user mode).
70 Even if you say Y here, the currently visible framebuffer console
71 (/dev/tty0) will still be used as the system console by default, but
72 you can alter that using a kernel command line option such as
73 "console=ttyAMA0". (Try "man bootparam" or see the documentation of
74 your boot loader (lilo or loadlin) about how to pass options to the
75 kernel at boot time.)
77 config SERIAL_EARLYCON_ARM_SEMIHOST
78 bool "Early console using ARM semihosting"
79 depends on ARM64 || ARM
80 select SERIAL_CORE
81 select SERIAL_CORE_CONSOLE
82 select SERIAL_EARLYCON
83 help
84 Support for early debug console using ARM semihosting. This enables
85 the console before standard serial driver is probed. This is enabled
86 with "earlycon=smh" on the kernel command line. The console is
87 enabled when early_param is processed.
89 config SERIAL_EARLYCON_RISCV_SBI
90 bool "Early console using RISC-V SBI"
91 depends on RISCV_SBI
92 select SERIAL_CORE
93 select SERIAL_CORE_CONSOLE
94 select SERIAL_EARLYCON
95 help
96 Support for early debug console using RISC-V SBI. This enables
97 the console before standard serial driver is probed. This is enabled
98 with "earlycon=sbi" on the kernel command line. The console is
99 enabled when early_param is processed.
101 config SERIAL_SB1250_DUART
102 tristate "BCM1xxx on-chip DUART serial support"
103 depends on SIBYTE_SB1xxx_SOC=y
104 select SERIAL_CORE
105 default y
106 ---help---
107 Support for the asynchronous serial interface (DUART) included in
108 the BCM1250 and derived System-On-a-Chip (SOC) devices. Note that
109 the letter D in DUART stands for "dual", which is how the device
110 is implemented. Depending on the SOC configuration there may be
111 one or more DUARTs available of which all are handled.
113 If unsure, say Y. To compile this driver as a module, choose M here:
114 the module will be called sb1250-duart.
116 config SERIAL_SB1250_DUART_CONSOLE
117 bool "Support for console on a BCM1xxx DUART serial port"
118 depends on SERIAL_SB1250_DUART=y
119 select SERIAL_CORE_CONSOLE
120 default y
121 ---help---
122 If you say Y here, it will be possible to use a serial port as the
123 system console (the system console is the device which receives all
124 kernel messages and warnings and which allows logins in single user
125 mode).
127 If unsure, say Y.
129 config SERIAL_ATMEL
130 bool "AT91 on-chip serial port support"
131 depends on ARCH_AT91 || COMPILE_TEST
132 select SERIAL_CORE
133 select SERIAL_MCTRL_GPIO if GPIOLIB
134 select MFD_AT91_USART
135 help
136 This enables the driver for the on-chip UARTs of the Atmel
137 AT91 processors.
139 config SERIAL_ATMEL_CONSOLE
140 bool "Support for console on AT91 serial port"
141 depends on SERIAL_ATMEL=y
142 select SERIAL_CORE_CONSOLE
143 help
144 Say Y here if you wish to use an on-chip UART on a Atmel
145 AT91 processor as the system console (the system
146 console is the device which receives all kernel messages and
147 warnings and which allows logins in single user mode).
149 config SERIAL_ATMEL_PDC
150 bool "Support DMA transfers on AT91 serial port"
151 depends on SERIAL_ATMEL
152 default y
153 help
154 Say Y here if you wish to use the PDC to do DMA transfers to
155 and from the Atmel AT91 serial port. In order to
156 actually use DMA transfers, make sure that the use_dma_tx
157 and use_dma_rx members in the atmel_uart_data struct is set
158 appropriately for each port.
160 Note that break and error handling currently doesn't work
161 properly when DMA is enabled. Make sure that ports where
162 this matters don't use DMA.
164 config SERIAL_ATMEL_TTYAT
165 bool "Install as device ttyATn instead of ttySn"
166 depends on SERIAL_ATMEL=y
167 help
168 Say Y here if you wish to have the internal AT91 UARTs
169 appear as /dev/ttyATn (major 204, minor starting at 154)
170 instead of the normal /dev/ttySn (major 4, minor starting at
171 64). This is necessary if you also want other UARTs, such as
172 external 8250/16C550 compatible UARTs.
173 The ttySn nodes are legally reserved for the 8250 serial driver
174 but are often misused by other serial drivers.
176 To use this, you should create suitable ttyATn device nodes in
177 /dev/, and pass "console=ttyATn" to the kernel.
179 Say Y if you have an external 8250/16C550 UART. If unsure, say N.
181 config SERIAL_KGDB_NMI
182 bool "Serial console over KGDB NMI debugger port"
183 depends on KGDB_SERIAL_CONSOLE
184 help
185 This special driver allows you to temporary use NMI debugger port
186 as a normal console (assuming that the port is attached to KGDB).
188 Unlike KDB's disable_nmi command, with this driver you are always
189 able to go back to the debugger using KGDB escape sequence ($3#33).
190 This is because this console driver processes the input in NMI
191 context, and thus is able to intercept the magic sequence.
193 Note that since the console interprets input and uses polling
194 communication methods, for things like PPP you still must fully
195 detach debugger port from the KGDB NMI (i.e. disable_nmi), and
196 use raw console.
198 If unsure, say N.
200 config SERIAL_MESON
201 tristate "Meson serial port support"
202 depends on ARCH_MESON
203 select SERIAL_CORE
204 help
205 This enables the driver for the on-chip UARTs of the Amlogic
206 MesonX processors.
208 config SERIAL_MESON_CONSOLE
209 bool "Support for console on meson"
210 depends on SERIAL_MESON=y
211 select SERIAL_CORE_CONSOLE
212 select SERIAL_EARLYCON
213 help
214 Say Y here if you wish to use a Amlogic MesonX UART as the
215 system console (the system console is the device which
216 receives all kernel messages and warnings and which allows
217 logins in single user mode) as /dev/ttyAMLx.
219 config SERIAL_CLPS711X
220 tristate "CLPS711X serial port support"
221 depends on ARCH_CLPS711X || COMPILE_TEST
222 select SERIAL_CORE
223 select SERIAL_MCTRL_GPIO if GPIOLIB
224 help
225 This enables the driver for the on-chip UARTs of the Cirrus
226 Logic EP711x/EP721x/EP731x processors.
228 config SERIAL_CLPS711X_CONSOLE
229 bool "Support for console on CLPS711X serial port"
230 depends on SERIAL_CLPS711X=y
231 select SERIAL_CORE_CONSOLE
232 help
233 Even if you say Y here, the currently visible virtual console
234 (/dev/tty0) will still be used as the system console by default, but
235 you can alter that using a kernel command line option such as
236 "console=ttyCL1".
238 config SERIAL_SAMSUNG
239 tristate "Samsung SoC serial support"
240 depends on PLAT_SAMSUNG || ARCH_EXYNOS || COMPILE_TEST
241 select SERIAL_CORE
242 help
243 Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
244 providing /dev/ttySAC0, 1 and 2 (note, some machines may not
245 provide all of these ports, depending on how the serial port
246 pins are configured.
248 config SERIAL_SAMSUNG_UARTS_4
249 bool
250 depends on SERIAL_SAMSUNG
251 default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442)
252 help
253 Internal node for the common case of 4 Samsung compatible UARTs
255 config SERIAL_SAMSUNG_UARTS
256 int
257 depends on SERIAL_SAMSUNG
258 default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416
259 default 3
260 help
261 Select the number of available UART ports for the Samsung S3C
262 serial driver
264 config SERIAL_SAMSUNG_DEBUG
265 bool "Samsung SoC serial debug"
266 depends on SERIAL_SAMSUNG && DEBUG_LL
267 help
268 Add support for debugging the serial driver. Since this is
269 generally being used as a console, we use our own output
270 routines that go via the low-level debug printascii()
271 function.
273 config SERIAL_SAMSUNG_CONSOLE
274 bool "Support for console on Samsung SoC serial port"
275 depends on SERIAL_SAMSUNG=y
276 select SERIAL_CORE_CONSOLE
277 select SERIAL_EARLYCON
278 help
279 Allow selection of the S3C24XX on-board serial ports for use as
280 an virtual console.
282 Even if you say Y here, the currently visible virtual console
283 (/dev/tty0) will still be used as the system console by default, but
284 you can alter that using a kernel command line option such as
285 "console=ttySACx". (Try "man bootparam" or see the documentation of
286 your boot loader about how to pass options to the kernel at
287 boot time.)
289 config SERIAL_SIRFSOC
290 tristate "SiRF SoC Platform Serial port support"
291 depends on ARCH_SIRF
292 select SERIAL_CORE
293 help
294 Support for the on-chip UART on the CSR SiRFprimaII series,
295 providing /dev/ttySiRF0, 1 and 2 (note, some machines may not
296 provide all of these ports, depending on how the serial port
297 pins are configured).
299 config SERIAL_SIRFSOC_CONSOLE
300 bool "Support for console on SiRF SoC serial port"
301 depends on SERIAL_SIRFSOC=y
302 select SERIAL_CORE_CONSOLE
303 help
304 Even if you say Y here, the currently visible virtual console
305 (/dev/tty0) will still be used as the system console by default, but
306 you can alter that using a kernel command line option such as
307 "console=ttySiRFx". (Try "man bootparam" or see the documentation of
308 your boot loader about how to pass options to the kernel at
309 boot time.)
311 config SERIAL_TEGRA
312 tristate "NVIDIA Tegra20/30 SoC serial controller"
313 depends on ARCH_TEGRA && TEGRA20_APB_DMA
314 select SERIAL_CORE
315 help
316 Support for the on-chip UARTs on the NVIDIA Tegra series SOCs
317 providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not
318 provide all of these ports, depending on how the serial port
319 are enabled). This driver uses the APB DMA to achieve higher baudrate
320 and better performance.
322 config SERIAL_TEGRA_TCU
323 tristate "NVIDIA Tegra Combined UART"
324 depends on ARCH_TEGRA && TEGRA_HSP_MBOX
325 select SERIAL_CORE
326 help
327 Support for the mailbox-based TCU (Tegra Combined UART) serial port.
328 TCU is a virtual serial port that allows multiplexing multiple data
329 streams into a single hardware serial port.
331 config SERIAL_TEGRA_TCU_CONSOLE
332 bool "Support for console on a Tegra TCU serial port"
333 depends on SERIAL_TEGRA_TCU=y
334 select SERIAL_CORE_CONSOLE
335 default y
336 ---help---
337 If you say Y here, it will be possible to use a the Tegra TCU as the
338 system console (the system console is the device which receives all
339 kernel messages and warnings and which allows logins in single user
340 mode).
342 If unsure, say Y.
344 config SERIAL_MAX3100
345 tristate "MAX3100 support"
346 depends on SPI
347 select SERIAL_CORE
348 help
349 MAX3100 chip support
351 config SERIAL_MAX310X
352 tristate "MAX310X support"
353 depends on SPI_MASTER
354 select SERIAL_CORE
355 select REGMAP_SPI if SPI_MASTER
356 help
357 This selects support for an advanced UART from Maxim (Dallas).
358 Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830.
359 Each IC contains 128 words each of receive and transmit FIFO
360 that can be controlled through I2C or high-speed SPI.
362 Say Y here if you want to support this ICs.
364 config SERIAL_DZ
365 bool "DECstation DZ serial driver"
366 depends on MACH_DECSTATION && 32BIT
367 select SERIAL_CORE
368 default y
369 ---help---
370 DZ11-family serial controllers for DECstations and VAXstations,
371 including the DC7085, M7814, and M7819.
373 config SERIAL_DZ_CONSOLE
374 bool "Support console on DECstation DZ serial driver"
375 depends on SERIAL_DZ=y
376 select SERIAL_CORE_CONSOLE
377 default y
378 ---help---
379 If you say Y here, it will be possible to use a serial port as the
380 system console (the system console is the device which receives all
381 kernel messages and warnings and which allows logins in single user
382 mode).
384 Note that the firmware uses ttyS3 as the serial console on
385 DECstations that use this driver.
387 If unsure, say Y.
389 config SERIAL_ZS
390 tristate "DECstation Z85C30 serial support"
391 depends on MACH_DECSTATION
392 select SERIAL_CORE
393 default y
394 ---help---
395 Support for the Zilog 85C350 serial communications controller used
396 for serial ports in newer DECstation systems. These include the
397 DECsystem 5900 and all models of the DECstation and DECsystem 5000
398 systems except from model 200.
400 If unsure, say Y. To compile this driver as a module, choose M here:
401 the module will be called zs.
403 config SERIAL_ZS_CONSOLE
404 bool "Support for console on a DECstation Z85C30 serial port"
405 depends on SERIAL_ZS=y
406 select SERIAL_CORE_CONSOLE
407 default y
408 ---help---
409 If you say Y here, it will be possible to use a serial port as the
410 system console (the system console is the device which receives all
411 kernel messages and warnings and which allows logins in single user
412 mode).
414 Note that the firmware uses ttyS1 as the serial console on the
415 Maxine and ttyS3 on the others using this driver.
417 If unsure, say Y.
419 config SERIAL_21285
420 tristate "DC21285 serial port support"
421 depends on FOOTBRIDGE
422 select SERIAL_CORE
423 help
424 If you have a machine based on a 21285 (Footbridge) StrongARM(R)/
425 PCI bridge you can enable its onboard serial port by enabling this
426 option.
428 config SERIAL_21285_CONSOLE
429 bool "Console on DC21285 serial port"
430 depends on SERIAL_21285=y
431 select SERIAL_CORE_CONSOLE
432 help
433 If you have enabled the serial port on the 21285 footbridge you can
434 make it the console by answering Y to this option.
436 Even if you say Y here, the currently visible virtual console
437 (/dev/tty0) will still be used as the system console by default, but
438 you can alter that using a kernel command line option such as
439 "console=ttyFB". (Try "man bootparam" or see the documentation of
440 your boot loader (lilo or loadlin) about how to pass options to the
441 kernel at boot time.)
443 config SERIAL_PXA
444 bool "PXA serial port support (DEPRECATED)"
445 depends on ARCH_PXA || ARCH_MMP
446 select SERIAL_CORE
447 select SERIAL_8250_PXA if SERIAL_8250=y
448 select SERIAL_PXA_NON8250 if !SERIAL_8250=y
449 help
450 If you have a machine based on an Intel XScale PXA2xx CPU you
451 can enable its onboard serial ports by enabling this option.
453 Unless you have a specific need, you should use SERIAL_8250_PXA
454 instead of this.
456 config SERIAL_PXA_NON8250
457 bool
458 depends on !SERIAL_8250
460 config SERIAL_PXA_CONSOLE
461 bool "Console on PXA serial port (DEPRECATED)"
462 depends on SERIAL_PXA
463 select SERIAL_CORE_CONSOLE
464 select SERIAL_8250_CONSOLE if SERIAL_8250=y
465 help
466 If you have enabled the serial port on the Intel XScale PXA
467 CPU you can make it the console by answering Y to this option.
469 Even if you say Y here, the currently visible virtual console
470 (/dev/tty0) will still be used as the system console by default, but
471 you can alter that using a kernel command line option such as
472 "console=ttySA0". (Try "man bootparam" or see the documentation of
473 your boot loader (lilo or loadlin) about how to pass options to the
474 kernel at boot time.)
476 Unless you have a specific need, you should use SERIAL_8250_PXA
477 and SERIAL_8250_CONSOLE instead of this.
479 config SERIAL_SA1100
480 bool "SA1100 serial port support"
481 depends on ARCH_SA1100
482 select SERIAL_CORE
483 select SERIAL_MCTRL_GPIO if GPIOLIB
484 help
485 If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you
486 can enable its onboard serial port by enabling this option.
487 Please read <file:Documentation/arm/sa1100/serial_uart.rst> for further
488 info.
490 config SERIAL_SA1100_CONSOLE
491 bool "Console on SA1100 serial port"
492 depends on SERIAL_SA1100
493 select SERIAL_CORE_CONSOLE
494 help
495 If you have enabled the serial port on the SA1100/SA1110 StrongARM
496 CPU you can make it the console by answering Y to this option.
498 Even if you say Y here, the currently visible virtual console
499 (/dev/tty0) will still be used as the system console by default, but
500 you can alter that using a kernel command line option such as
501 "console=ttySA0". (Try "man bootparam" or see the documentation of
502 your boot loader (lilo or loadlin) about how to pass options to the
503 kernel at boot time.)
505 config SERIAL_IMX
506 tristate "IMX serial port support"
507 depends on ARCH_MXC || COMPILE_TEST
508 select SERIAL_CORE
509 select RATIONAL
510 select SERIAL_MCTRL_GPIO if GPIOLIB
511 help
512 If you have a machine based on a Motorola IMX CPU you
513 can enable its onboard serial port by enabling this option.
515 config SERIAL_IMX_CONSOLE
516 bool "Console on IMX serial port"
517 depends on SERIAL_IMX=y
518 select SERIAL_CORE_CONSOLE
519 select SERIAL_EARLYCON if OF
520 help
521 If you have enabled the serial port on the Freescale IMX
522 CPU you can make it the console by answering Y to this option.
524 Even if you say Y here, the currently visible virtual console
525 (/dev/tty0) will still be used as the system console by default, but
526 you can alter that using a kernel command line option such as
527 "console=ttymxc0". (Try "man bootparam" or see the documentation of
528 your bootloader about how to pass options to the kernel at boot time.)
530 config SERIAL_UARTLITE
531 tristate "Xilinx uartlite serial port support"
532 depends on HAS_IOMEM
533 select SERIAL_CORE
534 help
535 Say Y here if you want to use the Xilinx uartlite serial controller.
537 To compile this driver as a module, choose M here: the
538 module will be called uartlite.
540 config SERIAL_UARTLITE_CONSOLE
541 bool "Support for console on Xilinx uartlite serial port"
542 depends on SERIAL_UARTLITE=y
543 select SERIAL_CORE_CONSOLE
544 select SERIAL_EARLYCON
545 help
546 Say Y here if you wish to use a Xilinx uartlite as the system
547 console (the system console is the device which receives all kernel
548 messages and warnings and which allows logins in single user mode).
550 config SERIAL_UARTLITE_NR_UARTS
551 int "Maximum number of uartlite serial ports"
552 depends on SERIAL_UARTLITE
553 range 1 256
554 default 1
555 help
556 Set this to the number of uartlites in your system, or the number
557 you think you might implement.
559 config SERIAL_SUNCORE
560 bool
561 depends on SPARC
562 select SERIAL_CORE
563 select SERIAL_CORE_CONSOLE
564 default y
566 config SERIAL_SUNZILOG
567 tristate "Sun Zilog8530 serial support"
568 depends on SPARC
569 help
570 This driver supports the Zilog8530 serial ports found on many Sparc
571 systems. Say Y or M if you want to be able to these serial ports.
573 config SERIAL_SUNZILOG_CONSOLE
574 bool "Console on Sun Zilog8530 serial port"
575 depends on SERIAL_SUNZILOG=y
576 help
577 If you would like to be able to use the Zilog8530 serial port
578 on your Sparc system as the console, you can do so by answering
579 Y to this option.
581 config SERIAL_SUNSU
582 tristate "Sun SU serial support"
583 depends on SPARC && PCI
584 help
585 This driver supports the 8250 serial ports that run the keyboard and
586 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able
587 to these serial ports.
589 config SERIAL_SUNSU_CONSOLE
590 bool "Console on Sun SU serial port"
591 depends on SERIAL_SUNSU=y
592 help
593 If you would like to be able to use the SU serial port
594 on your Sparc system as the console, you can do so by answering
595 Y to this option.
597 config SERIAL_MUX
598 tristate "Serial MUX support"
599 depends on GSC
600 select SERIAL_CORE
601 default y
602 ---help---
603 Saying Y here will enable the hardware MUX serial driver for
604 the Nova, K class systems and D class with a 'remote control card'.
605 The hardware MUX is not 8250/16550 compatible therefore the
606 /dev/ttyB0 device is shared between the Serial MUX and the PDC
607 software console. The following steps need to be completed to use
608 the Serial MUX:
610 1. create the device entry (mknod /dev/ttyB0 c 11 0)
611 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
612 3. Add device ttyB0 to /etc/securetty (if you want to log on as
613 root on this console.)
614 4. Change the kernel command console parameter to: console=ttyB0
616 config SERIAL_MUX_CONSOLE
617 bool "Support for console on serial MUX"
618 depends on SERIAL_MUX=y
619 select SERIAL_CORE_CONSOLE
620 default y
622 config PDC_CONSOLE
623 bool "PDC software console support"
624 depends on PARISC && !SERIAL_MUX && VT
625 help
626 Saying Y here will enable the software based PDC console to be
627 used as the system console. This is useful for machines in
628 which the hardware based console has not been written yet. The
629 following steps must be completed to use the PDC console:
631 1. create the device entry (mknod /dev/ttyB0 c 11 0)
632 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
633 3. Add device ttyB0 to /etc/securetty (if you want to log on as
634 root on this console.)
635 4. Change the kernel command console parameter to: console=ttyB0
637 config SERIAL_SUNSAB
638 tristate "Sun Siemens SAB82532 serial support"
639 depends on SPARC && PCI
640 help
641 This driver supports the Siemens SAB82532 DUSCC serial ports on newer
642 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these
643 serial ports.
645 config SERIAL_SUNSAB_CONSOLE
646 bool "Console on Sun Siemens SAB82532 serial port"
647 depends on SERIAL_SUNSAB=y
648 help
649 If you would like to be able to use the SAB82532 serial port
650 on your Sparc system as the console, you can do so by answering
651 Y to this option.
653 config SERIAL_SUNHV
654 bool "Sun4v Hypervisor Console support"
655 depends on SPARC64
656 help
657 This driver supports the console device found on SUN4V Sparc
658 systems. Say Y if you want to be able to use this device.
660 config SERIAL_IP22_ZILOG
661 tristate "SGI Zilog8530 serial support"
662 depends on SGI_HAS_ZILOG
663 select SERIAL_CORE
664 help
665 This driver supports the Zilog8530 serial ports found on SGI
666 systems. Say Y or M if you want to be able to these serial ports.
668 config SERIAL_IP22_ZILOG_CONSOLE
669 bool "Console on SGI Zilog8530 serial port"
670 depends on SERIAL_IP22_ZILOG=y
671 select SERIAL_CORE_CONSOLE
673 config SERIAL_SH_SCI
674 tristate "SuperH SCI(F) serial port support"
675 depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST
676 select SERIAL_CORE
677 select SERIAL_MCTRL_GPIO if GPIOLIB
679 config SERIAL_SH_SCI_NR_UARTS
680 int "Maximum number of SCI(F) serial ports" if EXPERT
681 range 1 64 if 64BIT
682 range 1 32 if !64BIT
683 depends on SERIAL_SH_SCI
684 default "3" if H8300
685 default "10" if SUPERH
686 default "18" if ARCH_RENESAS
687 default "2"
689 config SERIAL_SH_SCI_CONSOLE
690 bool "Support for console on SuperH SCI(F)" if EXPERT
691 depends on SERIAL_SH_SCI=y
692 select SERIAL_CORE_CONSOLE
693 default y
695 config SERIAL_SH_SCI_EARLYCON
696 bool "Support for early console on SuperH SCI(F)" if EXPERT
697 depends on SERIAL_SH_SCI=y
698 select SERIAL_CORE_CONSOLE
699 select SERIAL_EARLYCON
700 default ARCH_RENESAS || H8300
702 config SERIAL_SH_SCI_DMA
703 bool "DMA support" if EXPERT
704 depends on SERIAL_SH_SCI && DMA_ENGINE
705 default ARCH_RENESAS
707 config SERIAL_PNX8XXX
708 bool "Enable PNX8XXX SoCs' UART Support"
709 depends on SOC_PNX833X
710 select SERIAL_CORE
711 help
712 If you have a MIPS-based Philips SoC such as PNX8330 and you want
713 to use serial ports, say Y. Otherwise, say N.
715 config SERIAL_PNX8XXX_CONSOLE
716 bool "Enable PNX8XX0 serial console"
717 depends on SERIAL_PNX8XXX
718 select SERIAL_CORE_CONSOLE
719 help
720 If you have a MIPS-based Philips SoC such as PNX8330 and you want
721 to use serial console, say Y. Otherwise, say N.
723 config SERIAL_HS_LPC32XX
724 tristate "LPC32XX high speed serial port support"
725 depends on ARCH_LPC32XX || COMPILE_TEST
726 depends on OF
727 select SERIAL_CORE
728 help
729 Support for the LPC32XX high speed serial ports (up to 900kbps).
730 Those are UARTs completely different from the Standard UARTs on the
731 LPC32XX SoC.
732 Choose M or Y here to build this driver.
734 config SERIAL_HS_LPC32XX_CONSOLE
735 bool "Enable LPC32XX high speed UART serial console"
736 depends on SERIAL_HS_LPC32XX=y
737 select SERIAL_CORE_CONSOLE
738 help
739 If you would like to be able to use one of the high speed serial
740 ports on the LPC32XX as the console, you can do so by answering
741 Y to this option.
743 config SERIAL_CORE
744 tristate
746 config SERIAL_CORE_CONSOLE
747 bool
749 config CONSOLE_POLL
750 bool
752 config SERIAL_MCF
753 bool "Coldfire serial support"
754 depends on COLDFIRE
755 select SERIAL_CORE
756 help
757 This serial driver supports the Freescale Coldfire serial ports.
759 config SERIAL_MCF_BAUDRATE
760 int "Default baudrate for Coldfire serial ports"
761 depends on SERIAL_MCF
762 default 19200
763 help
764 This setting lets you define what the default baudrate is for the
765 ColdFire serial ports. The usual default varies from board to board,
766 and this setting is a way of catering for that.
768 config SERIAL_MCF_CONSOLE
769 bool "Coldfire serial console support"
770 depends on SERIAL_MCF
771 select SERIAL_CORE_CONSOLE
772 help
773 Enable a ColdFire internal serial port to be the system console.
775 config SERIAL_PMACZILOG
776 tristate "Mac or PowerMac z85c30 ESCC support"
777 depends on (M68K && MAC) || PPC_PMAC
778 select SERIAL_CORE
779 help
780 This driver supports the Zilog z85C30 serial ports found on
781 (Power)Mac machines.
782 Say Y or M if you want to be able to these serial ports.
784 config SERIAL_PMACZILOG_TTYS
785 bool "Use ttySn device nodes for Zilog z85c30"
786 depends on SERIAL_PMACZILOG
787 help
788 The pmac_zilog driver for the z85C30 chip on many powermacs
789 historically used the device numbers for /dev/ttySn. The
790 8250 serial port driver also uses these numbers, which means
791 the two drivers being unable to coexist; you could not use
792 both z85C30 and 8250 type ports at the same time.
794 If this option is not selected, the pmac_zilog driver will
795 use the device numbers allocated for /dev/ttyPZn. This allows
796 the pmac_zilog and 8250 drivers to co-exist, but may cause
797 existing userspace setups to break. Programs that need to
798 access the built-in serial ports on powermacs will need to
799 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn.
801 If you enable this option, any z85c30 ports in the system will
802 be registered as ttyS0 onwards as in the past, and you will be
803 unable to use the 8250 module for PCMCIA or other 16C550-style
804 UARTs.
806 Say N unless you need the z85c30 ports on your (Power)Mac
807 to appear as /dev/ttySn.
809 config SERIAL_PMACZILOG_CONSOLE
810 bool "Console on Mac or PowerMac z85c30 serial port"
811 depends on SERIAL_PMACZILOG=y
812 select SERIAL_CORE_CONSOLE
813 help
814 If you would like to be able to use the z85c30 serial port
815 on your (Power)Mac as the console, you can do so by answering
816 Y to this option.
818 config SERIAL_CPM
819 tristate "CPM SCC/SMC serial port support"
820 depends on CPM2 || CPM1
821 select SERIAL_CORE
822 help
823 This driver supports the SCC and SMC serial ports on Motorola
824 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx)
826 config SERIAL_CPM_CONSOLE
827 bool "Support for console on CPM SCC/SMC serial port"
828 depends on SERIAL_CPM=y
829 select SERIAL_CORE_CONSOLE
830 help
831 Say Y here if you wish to use a SCC or SMC CPM UART as the system
832 console (the system console is the device which receives all kernel
833 messages and warnings and which allows logins in single user mode).
835 Even if you say Y here, the currently visible framebuffer console
836 (/dev/tty0) will still be used as the system console by default, but
837 you can alter that using a kernel command line option such as
838 "console=ttyCPM0". (Try "man bootparam" or see the documentation of
839 your boot loader (lilo or loadlin) about how to pass options to the
840 kernel at boot time.)
842 config SERIAL_PIC32
843 tristate "Microchip PIC32 serial support"
844 depends on MACH_PIC32
845 select SERIAL_CORE
846 help
847 If you have a PIC32, this driver supports the serial ports.
849 Say Y or M to use PIC32 serial ports, otherwise say N. Note that
850 to use a serial port as a console, this must be included in kernel and
851 not as a module.
853 config SERIAL_PIC32_CONSOLE
854 bool "PIC32 serial console support"
855 depends on SERIAL_PIC32
856 select SERIAL_CORE_CONSOLE
857 help
858 If you have a PIC32, this driver supports the putting a console on one
859 of the serial ports.
861 Say Y to use the PIC32 console, otherwise say N.
863 config SERIAL_MPC52xx
864 tristate "Freescale MPC52xx/MPC512x family PSC serial support"
865 depends on PPC_MPC52xx || PPC_MPC512x
866 select SERIAL_CORE
867 help
868 This driver supports MPC52xx and MPC512x PSC serial ports. If you would
869 like to use them, you must answer Y or M to this option. Note that
870 for use as console, it must be included in kernel and not as a
871 module.
873 config SERIAL_MPC52xx_CONSOLE
874 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port"
875 depends on SERIAL_MPC52xx=y
876 select SERIAL_CORE_CONSOLE
877 help
878 Select this options if you'd like to use one of the PSC serial port
879 of the Freescale MPC52xx family as a console.
881 config SERIAL_MPC52xx_CONSOLE_BAUD
882 int "Freescale MPC52xx/MPC512x family PSC serial port baud"
883 depends on SERIAL_MPC52xx_CONSOLE=y
884 default "9600"
885 help
886 Select the MPC52xx console baud rate.
887 This value is only used if the bootloader doesn't pass in the
888 console baudrate
890 config SERIAL_ICOM
891 tristate "IBM Multiport Serial Adapter"
892 depends on PCI && PPC_PSERIES
893 select SERIAL_CORE
894 select FW_LOADER
895 help
896 This driver is for a family of multiport serial adapters
897 including 2 port RVX, 2 port internal modem, 4 port internal
898 modem and a split 1 port RVX and 1 port internal modem.
900 This driver can also be built as a module. If so, the module
901 will be called icom.
903 config SERIAL_TXX9
904 bool "TMPTX39XX/49XX SIO support"
905 depends on HAS_TXX9_SERIAL
906 select SERIAL_CORE
907 default y
909 config HAS_TXX9_SERIAL
910 bool
912 config SERIAL_TXX9_NR_UARTS
913 int "Maximum number of TMPTX39XX/49XX SIO ports"
914 depends on SERIAL_TXX9
915 default "6"
917 config SERIAL_TXX9_CONSOLE
918 bool "TMPTX39XX/49XX SIO Console support"
919 depends on SERIAL_TXX9=y
920 select SERIAL_CORE_CONSOLE
922 config SERIAL_TXX9_STDSERIAL
923 bool "TX39XX/49XX SIO act as standard serial"
924 depends on !SERIAL_8250 && SERIAL_TXX9
926 config SERIAL_VR41XX
927 tristate "NEC VR4100 series Serial Interface Unit support"
928 depends on CPU_VR41XX
929 select SERIAL_CORE
930 help
931 If you have a NEC VR4100 series processor and you want to use
932 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU)
933 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N.
935 config SERIAL_VR41XX_CONSOLE
936 bool "Enable NEC VR4100 series Serial Interface Unit console"
937 depends on SERIAL_VR41XX=y
938 select SERIAL_CORE_CONSOLE
939 help
940 If you have a NEC VR4100 series processor and you want to use
941 a console on a serial port, say Y. Otherwise, say N.
943 config SERIAL_JSM
944 tristate "Digi International NEO and Classic PCI Support"
945 depends on PCI
946 select SERIAL_CORE
947 help
948 This is a driver for Digi International's Neo and Classic series
949 of cards which provide multiple serial ports. You would need
950 something like this to connect more than two modems to your Linux
951 box, for instance in order to become a dial-in server. This driver
952 supports PCI boards only.
954 If you have a card like this, say Y here, otherwise say N.
956 To compile this driver as a module, choose M here: the
957 module will be called jsm.
959 config SERIAL_MSM
960 tristate "MSM on-chip serial port support"
961 depends on ARCH_QCOM
962 select SERIAL_CORE
964 config SERIAL_MSM_CONSOLE
965 bool "MSM serial console support"
966 depends on SERIAL_MSM=y
967 select SERIAL_CORE_CONSOLE
968 select SERIAL_EARLYCON
970 config SERIAL_QCOM_GENI
971 tristate "QCOM on-chip GENI based serial port support"
972 depends on ARCH_QCOM || COMPILE_TEST
973 depends on QCOM_GENI_SE
974 select SERIAL_CORE
976 config SERIAL_QCOM_GENI_CONSOLE
977 bool "QCOM GENI Serial Console support"
978 depends on SERIAL_QCOM_GENI
979 select SERIAL_CORE_CONSOLE
980 select SERIAL_EARLYCON
981 help
982 Serial console driver for Qualcomm Technologies Inc's GENI based
983 QUP hardware.
985 config SERIAL_VT8500
986 bool "VIA VT8500 on-chip serial port support"
987 depends on ARCH_VT8500
988 select SERIAL_CORE
990 config SERIAL_VT8500_CONSOLE
991 bool "VIA VT8500 serial console support"
992 depends on SERIAL_VT8500=y
993 select SERIAL_CORE_CONSOLE
995 config SERIAL_OMAP
996 tristate "OMAP serial port support"
997 depends on ARCH_OMAP2PLUS
998 select SERIAL_CORE
999 help
1000 If you have a machine based on an Texas Instruments OMAP CPU you
1001 can enable its onboard serial ports by enabling this option.
1003 By enabling this option you take advantage of dma feature available
1004 with the omap-serial driver. DMA support can be enabled from platform
1005 data.
1007 config SERIAL_OMAP_CONSOLE
1008 bool "Console on OMAP serial port"
1009 depends on SERIAL_OMAP=y
1010 select SERIAL_CORE_CONSOLE
1011 help
1012 Select this option if you would like to use omap serial port as
1013 console.
1015 Even if you say Y here, the currently visible virtual console
1016 (/dev/tty0) will still be used as the system console by default, but
1017 you can alter that using a kernel command line option such as
1018 "console=ttyOx". (Try "man bootparam" or see the documentation of
1019 your boot loader about how to pass options to the kernel at
1020 boot time.)
1022 config SERIAL_SIFIVE
1023 tristate "SiFive UART support"
1024 depends on OF
1025 select SERIAL_CORE
1026 help
1027 Select this option if you are building a kernel for a device that
1028 contains a SiFive UART IP block. This type of UART is present on
1029 SiFive FU540 SoCs, among others.
1031 config SERIAL_SIFIVE_CONSOLE
1032 bool "Console on SiFive UART"
1033 depends on SERIAL_SIFIVE=y
1034 select SERIAL_CORE_CONSOLE
1035 select SERIAL_EARLYCON
1036 help
1037 Select this option if you would like to use a SiFive UART as the
1038 system console.
1040 Even if you say Y here, the currently visible virtual console
1041 (/dev/tty0) will still be used as the system console by default, but
1042 you can alter that using a kernel command line option such as
1043 "console=ttySIFx". (Try "man bootparam" or see the documentation of
1044 your boot loader about how to pass options to the kernel at
1045 boot time.)
1047 config SERIAL_LANTIQ
1048 bool "Lantiq serial driver"
1049 depends on LANTIQ
1050 select SERIAL_CORE
1051 select SERIAL_CORE_CONSOLE
1052 select SERIAL_EARLYCON
1053 help
1054 Support for console and UART on Lantiq SoCs.
1056 config SERIAL_QE
1057 tristate "Freescale QUICC Engine serial port support"
1058 depends on QUICC_ENGINE
1059 select SERIAL_CORE
1060 select FW_LOADER
1061 help
1062 This driver supports the QE serial ports on Freescale embedded
1063 PowerPC that contain a QUICC Engine.
1065 config SERIAL_SCCNXP
1066 tristate "SCCNXP serial port support"
1067 select SERIAL_CORE
1068 help
1069 This selects support for an advanced UART from NXP (Philips).
1070 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92,
1071 SC28L202, SCC68681 and SCC68692.
1073 config SERIAL_SCCNXP_CONSOLE
1074 bool "Console on SCCNXP serial port"
1075 depends on SERIAL_SCCNXP=y
1076 select SERIAL_CORE_CONSOLE
1077 help
1078 Support for console on SCCNXP serial ports.
1080 config SERIAL_SC16IS7XX_CORE
1081 tristate
1083 config SERIAL_SC16IS7XX
1084 tristate "SC16IS7xx serial support"
1085 select SERIAL_CORE
1086 depends on (SPI_MASTER && !I2C) || I2C
1087 help
1088 This selects support for SC16IS7xx serial ports.
1089 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752,
1090 SC16IS760 and SC16IS762. Select supported buses using options below.
1092 config SERIAL_SC16IS7XX_I2C
1093 bool "SC16IS7xx for I2C interface"
1094 depends on SERIAL_SC16IS7XX
1095 depends on I2C
1096 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX
1097 select REGMAP_I2C if I2C
1098 default y
1099 help
1100 Enable SC16IS7xx driver on I2C bus,
1101 If required say y, and say n to i2c if not required,
1102 Enabled by default to support oldconfig.
1103 You must select at least one bus for the driver to be built.
1105 config SERIAL_SC16IS7XX_SPI
1106 bool "SC16IS7xx for spi interface"
1107 depends on SERIAL_SC16IS7XX
1108 depends on SPI_MASTER
1109 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX
1110 select REGMAP_SPI if SPI_MASTER
1111 help
1112 Enable SC16IS7xx driver on SPI bus,
1113 If required say y, and say n to spi if not required,
1114 This is additional support to exsisting driver.
1115 You must select at least one bus for the driver to be built.
1117 config SERIAL_TIMBERDALE
1118 tristate "Support for timberdale UART"
1119 select SERIAL_CORE
1120 depends on X86_32 || COMPILE_TEST
1121 ---help---
1122 Add support for UART controller on timberdale.
1124 config SERIAL_BCM63XX
1125 tristate "Broadcom BCM63xx/BCM33xx UART support"
1126 select SERIAL_CORE
1127 depends on MIPS || ARM || COMPILE_TEST
1128 help
1129 This enables the driver for the onchip UART core found on
1130 the following chipsets:
1132 BCM33xx (cable modem)
1133 BCM63xx/BCM63xxx (DSL)
1134 BCM68xx (PON)
1135 BCM7xxx (STB) - DOCSIS console
1137 config SERIAL_BCM63XX_CONSOLE
1138 bool "Console on BCM63xx serial port"
1139 depends on SERIAL_BCM63XX=y
1140 select SERIAL_CORE_CONSOLE
1141 select SERIAL_EARLYCON
1142 help
1143 If you have enabled the serial port on the BCM63xx CPU
1144 you can make it the console by answering Y to this option.
1146 config SERIAL_GRLIB_GAISLER_APBUART
1147 tristate "GRLIB APBUART serial support"
1148 depends on OF && SPARC
1149 select SERIAL_CORE
1150 ---help---
1151 Add support for the GRLIB APBUART serial port.
1153 config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE
1154 bool "Console on GRLIB APBUART serial port"
1155 depends on SERIAL_GRLIB_GAISLER_APBUART=y
1156 select SERIAL_CORE_CONSOLE
1157 help
1158 Support for running a console on the GRLIB APBUART
1160 config SERIAL_ALTERA_JTAGUART
1161 tristate "Altera JTAG UART support"
1162 select SERIAL_CORE
1163 help
1164 This driver supports the Altera JTAG UART port.
1166 config SERIAL_ALTERA_JTAGUART_CONSOLE
1167 bool "Altera JTAG UART console support"
1168 depends on SERIAL_ALTERA_JTAGUART=y
1169 select SERIAL_CORE_CONSOLE
1170 select SERIAL_EARLYCON
1171 help
1172 Enable a Altera JTAG UART port to be the system console.
1174 config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS
1175 bool "Bypass output when no connection"
1176 depends on SERIAL_ALTERA_JTAGUART_CONSOLE
1177 select SERIAL_CORE_CONSOLE
1178 help
1179 Bypass console output and keep going even if there is no
1180 JTAG terminal connection with the host.
1182 config SERIAL_ALTERA_UART
1183 tristate "Altera UART support"
1184 select SERIAL_CORE
1185 help
1186 This driver supports the Altera softcore UART port.
1188 config SERIAL_ALTERA_UART_MAXPORTS
1189 int "Maximum number of Altera UART ports"
1190 depends on SERIAL_ALTERA_UART
1191 default 4
1192 help
1193 This setting lets you define the maximum number of the Altera
1194 UART ports. The usual default varies from board to board, and
1195 this setting is a way of catering for that.
1197 config SERIAL_ALTERA_UART_BAUDRATE
1198 int "Default baudrate for Altera UART ports"
1199 depends on SERIAL_ALTERA_UART
1200 default 115200
1201 help
1202 This setting lets you define what the default baudrate is for the
1203 Altera UART ports. The usual default varies from board to board,
1204 and this setting is a way of catering for that.
1206 config SERIAL_ALTERA_UART_CONSOLE
1207 bool "Altera UART console support"
1208 depends on SERIAL_ALTERA_UART=y
1209 select SERIAL_CORE_CONSOLE
1210 select SERIAL_EARLYCON
1211 help
1212 Enable a Altera UART port to be the system console.
1214 config SERIAL_IFX6X60
1215 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)"
1216 depends on GPIOLIB || COMPILE_TEST
1217 depends on SPI && HAS_DMA
1218 help
1219 Support for the IFX6x60 modem devices on Intel MID platforms.
1221 config SERIAL_PCH_UART
1222 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART"
1223 depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
1224 select SERIAL_CORE
1225 help
1226 This driver is for PCH(Platform controller Hub) UART of Intel EG20T
1227 which is an IOH(Input/Output Hub) for x86 embedded processor.
1228 Enabling PCH_DMA, this PCH UART works as DMA mode.
1230 This driver also can be used for LAPIS Semiconductor IOH(Input/
1231 Output Hub), ML7213, ML7223 and ML7831.
1232 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
1233 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
1234 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1235 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
1237 config SERIAL_PCH_UART_CONSOLE
1238 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH"
1239 depends on SERIAL_PCH_UART=y
1240 select SERIAL_CORE_CONSOLE
1241 help
1242 Say Y here if you wish to use the PCH UART as the system console
1243 (the system console is the device which receives all kernel messages and
1244 warnings and which allows logins in single user mode).
1246 config SERIAL_MXS_AUART
1247 tristate "MXS AUART support"
1248 depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST
1249 select SERIAL_CORE
1250 select SERIAL_MCTRL_GPIO if GPIOLIB
1251 help
1252 This driver supports the MXS and Alphascale ASM9260 Application
1253 UART (AUART) port.
1255 config SERIAL_MXS_AUART_CONSOLE
1256 bool "MXS AUART console support"
1257 depends on SERIAL_MXS_AUART=y
1258 select SERIAL_CORE_CONSOLE
1259 help
1260 Enable a MXS AUART port to be the system console.
1262 config SERIAL_XILINX_PS_UART
1263 tristate "Cadence (Xilinx Zynq) UART support"
1264 depends on OF
1265 select SERIAL_CORE
1266 help
1267 This driver supports the Cadence UART. It is found e.g. in Xilinx
1268 Zynq.
1270 config SERIAL_XILINX_PS_UART_CONSOLE
1271 bool "Cadence UART console support"
1272 depends on SERIAL_XILINX_PS_UART=y
1273 select SERIAL_CORE_CONSOLE
1274 select SERIAL_EARLYCON
1275 help
1276 Enable a Cadence UART port to be the system console.
1278 config SERIAL_AR933X
1279 tristate "AR933X serial port support"
1280 depends on HAVE_CLK && ATH79
1281 select SERIAL_CORE
1282 help
1283 If you have an Atheros AR933X SOC based board and want to use the
1284 built-in UART of the SoC, say Y to this option.
1286 To compile this driver as a module, choose M here: the
1287 module will be called ar933x_uart.
1289 config SERIAL_AR933X_CONSOLE
1290 bool "Console on AR933X serial port"
1291 depends on SERIAL_AR933X=y
1292 select SERIAL_CORE_CONSOLE
1293 help
1294 Enable a built-in UART port of the AR933X to be the system console.
1296 config SERIAL_AR933X_NR_UARTS
1297 int "Maximum number of AR933X serial ports"
1298 depends on SERIAL_AR933X
1299 default "2"
1300 help
1301 Set this to the number of serial ports you want the driver
1302 to support.
1304 config SERIAL_EFM32_UART
1305 tristate "EFM32 UART/USART port"
1306 depends on ARM && (ARCH_EFM32 || COMPILE_TEST)
1307 select SERIAL_CORE
1308 help
1309 This driver support the USART and UART ports on
1310 Energy Micro's efm32 SoCs.
1312 config SERIAL_MPS2_UART_CONSOLE
1313 bool "MPS2 UART console support"
1314 depends on SERIAL_MPS2_UART
1315 select SERIAL_CORE_CONSOLE
1316 select SERIAL_EARLYCON
1318 config SERIAL_MPS2_UART
1319 bool "MPS2 UART port"
1320 depends on ARCH_MPS2 || COMPILE_TEST
1321 select SERIAL_CORE
1322 help
1323 This driver support the UART ports on ARM MPS2.
1325 config SERIAL_EFM32_UART_CONSOLE
1326 bool "EFM32 UART/USART console support"
1327 depends on SERIAL_EFM32_UART=y
1328 select SERIAL_CORE_CONSOLE
1330 config SERIAL_ARC
1331 tristate "ARC UART driver support"
1332 select SERIAL_CORE
1333 help
1334 Driver for on-chip UART for ARC(Synopsys) for the legacy
1335 FPGA Boards (ML50x/ARCAngel4)
1337 config SERIAL_ARC_CONSOLE
1338 bool "Console on ARC UART"
1339 depends on SERIAL_ARC=y
1340 select SERIAL_CORE_CONSOLE
1341 select SERIAL_EARLYCON
1342 help
1343 Enable system Console on ARC UART
1345 config SERIAL_ARC_NR_PORTS
1346 int "Number of ARC UART ports"
1347 depends on SERIAL_ARC
1348 range 1 3
1349 default "1"
1350 help
1351 Set this to the number of serial ports you want the driver
1352 to support.
1354 config SERIAL_RP2
1355 tristate "Comtrol RocketPort EXPRESS/INFINITY support"
1356 depends on PCI
1357 select SERIAL_CORE
1358 help
1359 This driver supports the Comtrol RocketPort EXPRESS and
1360 RocketPort INFINITY families of PCI/PCIe multiport serial adapters.
1361 These adapters use a "RocketPort 2" ASIC that is not compatible
1362 with the original RocketPort driver (CONFIG_ROCKETPORT).
1364 To compile this driver as a module, choose M here: the
1365 module will be called rp2.
1367 If you want to compile this driver into the kernel, say Y here. If
1368 you don't have a suitable RocketPort card installed, say N.
1370 config SERIAL_RP2_NR_UARTS
1371 int "Maximum number of RocketPort EXPRESS/INFINITY ports"
1372 depends on SERIAL_RP2
1373 default "32"
1374 help
1375 If multiple cards are present, the default limit of 32 ports may
1376 need to be increased.
1378 config SERIAL_FSL_LPUART
1379 tristate "Freescale lpuart serial port support"
1380 depends on HAS_DMA
1381 select SERIAL_CORE
1382 help
1383 Support for the on-chip lpuart on some Freescale SOCs.
1385 config SERIAL_FSL_LPUART_CONSOLE
1386 bool "Console on Freescale lpuart serial port"
1387 depends on SERIAL_FSL_LPUART=y
1388 select SERIAL_CORE_CONSOLE
1389 select SERIAL_EARLYCON
1390 help
1391 If you have enabled the lpuart serial port on the Freescale SoCs,
1392 you can make it the console by answering Y to this option.
1394 config SERIAL_FSL_LINFLEXUART
1395 tristate "Freescale LINFlexD UART serial port support"
1396 depends on PRINTK
1397 select SERIAL_CORE
1398 help
1399 Support for the on-chip LINFlexD UART on some Freescale SOCs.
1401 config SERIAL_FSL_LINFLEXUART_CONSOLE
1402 bool "Console on Freescale LINFlexD UART serial port"
1403 depends on SERIAL_FSL_LINFLEXUART=y
1404 select SERIAL_CORE_CONSOLE
1405 select SERIAL_EARLYCON
1406 help
1407 If you have enabled the LINFlexD UART serial port on the Freescale
1408 SoCs, you can make it the console by answering Y to this option.
1410 config SERIAL_CONEXANT_DIGICOLOR
1411 tristate "Conexant Digicolor CX92xxx USART serial port support"
1412 depends on OF
1413 select SERIAL_CORE
1414 help
1415 Support for the on-chip USART on Conexant Digicolor SoCs.
1417 config SERIAL_CONEXANT_DIGICOLOR_CONSOLE
1418 bool "Console on Conexant Digicolor serial port"
1419 depends on SERIAL_CONEXANT_DIGICOLOR=y
1420 select SERIAL_CORE_CONSOLE
1421 help
1422 If you have enabled the USART serial port on Conexant Digicolor
1423 SoCs, you can make it the console by answering Y to this option.
1425 config SERIAL_ST_ASC
1426 tristate "ST ASC serial port support"
1427 select SERIAL_CORE
1428 depends on ARM || COMPILE_TEST
1429 help
1430 This driver is for the on-chip Asychronous Serial Controller on
1431 STMicroelectronics STi SoCs.
1432 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality.
1433 It support all industry standard baud rates.
1435 If unsure, say N.
1437 config SERIAL_ST_ASC_CONSOLE
1438 bool "Support for console on ST ASC"
1439 depends on SERIAL_ST_ASC=y
1440 select SERIAL_CORE_CONSOLE
1442 config SERIAL_MEN_Z135
1443 tristate "MEN 16z135 Support"
1444 select SERIAL_CORE
1445 depends on MCB
1446 help
1447 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core
1448 on a MCB carrier.
1450 This driver can also be build as a module. If so, the module will be called
1451 men_z135_uart.ko
1453 config SERIAL_SPRD
1454 tristate "Support for Spreadtrum serial"
1455 depends on ARCH_SPRD
1456 select SERIAL_CORE
1457 help
1458 This enables the driver for the Spreadtrum's serial.
1460 config SERIAL_SPRD_CONSOLE
1461 bool "Spreadtrum UART console support"
1462 depends on SERIAL_SPRD=y
1463 select SERIAL_CORE_CONSOLE
1464 select SERIAL_EARLYCON
1465 help
1466 Support for early debug console using Spreadtrum's serial. This enables
1467 the console before standard serial driver is probed. This is enabled
1468 with "earlycon" on the kernel command line. The console is
1469 enabled when early_param is processed.
1471 config SERIAL_STM32
1472 tristate "STMicroelectronics STM32 serial port support"
1473 select SERIAL_CORE
1474 depends on ARCH_STM32 || COMPILE_TEST
1475 help
1476 This driver is for the on-chip Serial Controller on
1477 STMicroelectronics STM32 MCUs.
1478 USART supports Rx & Tx functionality.
1479 It support all industry standard baud rates.
1481 If unsure, say N.
1483 config SERIAL_STM32_CONSOLE
1484 bool "Support for console on STM32"
1485 depends on SERIAL_STM32=y
1486 select SERIAL_CORE_CONSOLE
1488 config SERIAL_MVEBU_UART
1489 bool "Marvell EBU serial port support"
1490 depends on ARCH_MVEBU || COMPILE_TEST
1491 select SERIAL_CORE
1492 help
1493 This driver is for Marvell EBU SoC's UART. If you have a machine
1494 based on the Armada-3700 SoC and wish to use the on-board serial
1495 port,
1496 say 'Y' here.
1497 Otherwise, say 'N'.
1499 config SERIAL_MVEBU_CONSOLE
1500 bool "Console on Marvell EBU serial port"
1501 depends on SERIAL_MVEBU_UART
1502 select SERIAL_CORE_CONSOLE
1503 select SERIAL_EARLYCON
1504 default y
1505 help
1506 Say 'Y' here if you wish to use Armada-3700 UART as the system console.
1507 (the system console is the device which receives all kernel messages
1508 and warnings and which allows logins in single user mode)
1509 Otherwise, say 'N'.
1511 config SERIAL_OWL
1512 tristate "Actions Semi Owl serial port support"
1513 depends on ARCH_ACTIONS || COMPILE_TEST
1514 select SERIAL_CORE
1515 help
1516 This driver is for Actions Semiconductor S500/S900 SoC's UART.
1517 Say 'Y' here if you wish to use the on-board serial port.
1518 Otherwise, say 'N'.
1520 config SERIAL_OWL_CONSOLE
1521 bool "Console on Actions Semi Owl serial port"
1522 depends on SERIAL_OWL=y
1523 select SERIAL_CORE_CONSOLE
1524 select SERIAL_EARLYCON
1525 default y
1526 help
1527 Say 'Y' here if you wish to use Actions Semiconductor S500/S900 UART
1528 as the system console.
1530 config SERIAL_RDA
1531 bool "RDA Micro serial port support"
1532 depends on ARCH_RDA || COMPILE_TEST
1533 select SERIAL_CORE
1534 help
1535 This driver is for RDA8810PL SoC's UART.
1536 Say 'Y' here if you wish to use the on-board serial port.
1537 Otherwise, say 'N'.
1539 config SERIAL_RDA_CONSOLE
1540 bool "Console on RDA Micro serial port"
1541 depends on SERIAL_RDA=y
1542 select SERIAL_CORE_CONSOLE
1543 select SERIAL_EARLYCON
1544 default y
1545 help
1546 Say 'Y' here if you wish to use the RDA8810PL UART as the system
1547 console. Only earlycon is implemented currently.
1549 config SERIAL_MILBEAUT_USIO
1550 tristate "Milbeaut USIO/UART serial port support"
1551 depends on ARCH_MILBEAUT || (COMPILE_TEST && OF)
1552 default ARCH_MILBEAUT
1553 select SERIAL_CORE
1554 help
1555 This selects the USIO/UART IP found in Socionext Milbeaut SoCs.
1557 config SERIAL_MILBEAUT_USIO_PORTS
1558 int "Maximum number of CSIO/UART ports (1-8)"
1559 range 1 8
1560 depends on SERIAL_MILBEAUT_USIO
1561 default "4"
1563 config SERIAL_MILBEAUT_USIO_CONSOLE
1564 bool "Support for console on MILBEAUT USIO/UART serial port"
1565 depends on SERIAL_MILBEAUT_USIO=y
1566 default y
1567 select SERIAL_CORE_CONSOLE
1568 select SERIAL_EARLYCON
1569 help
1570 Say 'Y' here if you wish to use a USIO/UART of Socionext Milbeaut
1571 SoCs as the system console (the system console is the device which
1572 receives all kernel messages and warnings and which allows logins in
1573 single user mode).
1575 endmenu
1577 config SERIAL_MCTRL_GPIO
1578 tristate
1580 endif # TTY