tjh.dev
Linux kernel mirror (for testing)
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1#
2# Serial device configuration
3#
4
5if TTY
6
7menu "Serial drivers"
8 depends on HAS_IOMEM
9
10config SERIAL_EARLYCON
11 bool
12 help
13 Support for early consoles with the earlycon parameter. This enables
14 the console before standard serial driver is probed. The console is
15 enabled when early_param is processed.
16
17source "drivers/tty/serial/8250/Kconfig"
18
19comment "Non-8250 serial port support"
20
21config SERIAL_AMBA_PL010
22 tristate "ARM AMBA PL010 serial port support"
23 depends on ARM_AMBA
24 select SERIAL_CORE
25 help
26 This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
27 an Integrator/AP or Integrator/PP2 platform, or if you have a
28 Cirrus Logic EP93xx CPU, say Y or M here.
29
30 If unsure, say N.
31
32config SERIAL_AMBA_PL010_CONSOLE
33 bool "Support for console on AMBA serial port"
34 depends on SERIAL_AMBA_PL010=y
35 select SERIAL_CORE_CONSOLE
36 ---help---
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
39 messages and warnings and which allows logins in single user mode).
40
41 Even if you say Y here, the currently visible framebuffer console
42 (/dev/tty0) will still be used as the system console by default, but
43 you can alter that using a kernel command line option such as
44 "console=ttyAM0". (Try "man bootparam" or see the documentation of
45 your boot loader (lilo or loadlin) about how to pass options to the
46 kernel at boot time.)
47
48config SERIAL_AMBA_PL011
49 tristate "ARM AMBA PL011 serial port support"
50 depends on ARM_AMBA
51 select SERIAL_CORE
52 help
53 This selects the ARM(R) AMBA(R) PrimeCell PL011 UART. If you have
54 an Integrator/PP2, Integrator/CP or Versatile platform, say Y or M
55 here.
56
57 If unsure, say N.
58
59config SERIAL_AMBA_PL011_CONSOLE
60 bool "Support for console on AMBA serial port"
61 depends on SERIAL_AMBA_PL011=y
62 select SERIAL_CORE_CONSOLE
63 select SERIAL_EARLYCON
64 ---help---
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
67 messages and warnings and which allows logins in single user mode).
68
69 Even if you say Y here, the currently visible framebuffer console
70 (/dev/tty0) will still be used as the system console by default, but
71 you can alter that using a kernel command line option such as
72 "console=ttyAMA0". (Try "man bootparam" or see the documentation of
73 your boot loader (lilo or loadlin) about how to pass options to the
74 kernel at boot time.)
75
76config SERIAL_EARLYCON_ARM_SEMIHOST
77 bool "Early console using ARM semihosting"
78 depends on ARM64 || ARM
79 select SERIAL_CORE
80 select SERIAL_CORE_CONSOLE
81 select SERIAL_EARLYCON
82 help
83 Support for early debug console using ARM semihosting. This enables
84 the console before standard serial driver is probed. This is enabled
85 with "earlycon=smh" on the kernel command line. The console is
86 enabled when early_param is processed.
87
88config SERIAL_SB1250_DUART
89 tristate "BCM1xxx on-chip DUART serial support"
90 depends on SIBYTE_SB1xxx_SOC=y
91 select SERIAL_CORE
92 default y
93 ---help---
94 Support for the asynchronous serial interface (DUART) included in
95 the BCM1250 and derived System-On-a-Chip (SOC) devices. Note that
96 the letter D in DUART stands for "dual", which is how the device
97 is implemented. Depending on the SOC configuration there may be
98 one or more DUARTs available of which all are handled.
99
100 If unsure, say Y. To compile this driver as a module, choose M here:
101 the module will be called sb1250-duart.
102
103config SERIAL_SB1250_DUART_CONSOLE
104 bool "Support for console on a BCM1xxx DUART serial port"
105 depends on SERIAL_SB1250_DUART=y
106 select SERIAL_CORE_CONSOLE
107 default y
108 ---help---
109 If you say Y here, it will be possible to use a serial port as the
110 system console (the system console is the device which receives all
111 kernel messages and warnings and which allows logins in single user
112 mode).
113
114 If unsure, say Y.
115
116config SERIAL_ATMEL
117 bool "AT91 on-chip serial port support"
118 depends on HAS_DMA
119 depends on ARCH_AT91 || COMPILE_TEST
120 select SERIAL_CORE
121 select SERIAL_MCTRL_GPIO if GPIOLIB
122 help
123 This enables the driver for the on-chip UARTs of the Atmel
124 AT91 processors.
125
126config SERIAL_ATMEL_CONSOLE
127 bool "Support for console on AT91 serial port"
128 depends on SERIAL_ATMEL=y
129 select SERIAL_CORE_CONSOLE
130 help
131 Say Y here if you wish to use an on-chip UART on a Atmel
132 AT91 processor as the system console (the system
133 console is the device which receives all kernel messages and
134 warnings and which allows logins in single user mode).
135
136config SERIAL_ATMEL_PDC
137 bool "Support DMA transfers on AT91 serial port"
138 depends on SERIAL_ATMEL
139 default y
140 help
141 Say Y here if you wish to use the PDC to do DMA transfers to
142 and from the Atmel AT91 serial port. In order to
143 actually use DMA transfers, make sure that the use_dma_tx
144 and use_dma_rx members in the atmel_uart_data struct is set
145 appropriately for each port.
146
147 Note that break and error handling currently doesn't work
148 properly when DMA is enabled. Make sure that ports where
149 this matters don't use DMA.
150
151config SERIAL_ATMEL_TTYAT
152 bool "Install as device ttyATn instead of ttySn"
153 depends on SERIAL_ATMEL=y
154 help
155 Say Y here if you wish to have the internal AT91 UARTs
156 appear as /dev/ttyATn (major 204, minor starting at 154)
157 instead of the normal /dev/ttySn (major 4, minor starting at
158 64). This is necessary if you also want other UARTs, such as
159 external 8250/16C550 compatible UARTs.
160 The ttySn nodes are legally reserved for the 8250 serial driver
161 but are often misused by other serial drivers.
162
163 To use this, you should create suitable ttyATn device nodes in
164 /dev/, and pass "console=ttyATn" to the kernel.
165
166 Say Y if you have an external 8250/16C550 UART. If unsure, say N.
167
168config SERIAL_KGDB_NMI
169 bool "Serial console over KGDB NMI debugger port"
170 depends on KGDB_SERIAL_CONSOLE
171 help
172 This special driver allows you to temporary use NMI debugger port
173 as a normal console (assuming that the port is attached to KGDB).
174
175 Unlike KDB's disable_nmi command, with this driver you are always
176 able to go back to the debugger using KGDB escape sequence ($3#33).
177 This is because this console driver processes the input in NMI
178 context, and thus is able to intercept the magic sequence.
179
180 Note that since the console interprets input and uses polling
181 communication methods, for things like PPP you still must fully
182 detach debugger port from the KGDB NMI (i.e. disable_nmi), and
183 use raw console.
184
185 If unsure, say N.
186
187config SERIAL_KS8695
188 bool "Micrel KS8695 (Centaur) serial port support"
189 depends on ARCH_KS8695
190 select SERIAL_CORE
191 help
192 This selects the Micrel Centaur KS8695 UART. Say Y here.
193
194config SERIAL_KS8695_CONSOLE
195 bool "Support for console on KS8695 (Centaur) serial port"
196 depends on SERIAL_KS8695=y
197 select SERIAL_CORE_CONSOLE
198 help
199 Say Y here if you wish to use a KS8695 (Centaur) UART as the
200 system console (the system console is the device which
201 receives all kernel messages and warnings and which allows
202 logins in single user mode).
203
204config SERIAL_MESON
205 tristate "Meson serial port support"
206 depends on ARCH_MESON
207 select SERIAL_CORE
208 help
209 This enables the driver for the on-chip UARTs of the Amlogic
210 MesonX processors.
211
212config SERIAL_MESON_CONSOLE
213 bool "Support for console on meson"
214 depends on SERIAL_MESON=y
215 select SERIAL_CORE_CONSOLE
216 select SERIAL_EARLYCON
217 help
218 Say Y here if you wish to use a Amlogic MesonX UART as the
219 system console (the system console is the device which
220 receives all kernel messages and warnings and which allows
221 logins in single user mode) as /dev/ttyAMLx.
222
223config SERIAL_CLPS711X
224 tristate "CLPS711X serial port support"
225 depends on ARCH_CLPS711X || COMPILE_TEST
226 select SERIAL_CORE
227 select SERIAL_MCTRL_GPIO if GPIOLIB
228 help
229 This enables the driver for the on-chip UARTs of the Cirrus
230 Logic EP711x/EP721x/EP731x processors.
231
232config SERIAL_CLPS711X_CONSOLE
233 bool "Support for console on CLPS711X serial port"
234 depends on SERIAL_CLPS711X=y
235 select SERIAL_CORE_CONSOLE
236 help
237 Even if you say Y here, the currently visible virtual console
238 (/dev/tty0) will still be used as the system console by default, but
239 you can alter that using a kernel command line option such as
240 "console=ttyCL1".
241
242config SERIAL_SAMSUNG
243 tristate "Samsung SoC serial support"
244 depends on PLAT_SAMSUNG || ARCH_EXYNOS
245 select SERIAL_CORE
246 help
247 Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
248 providing /dev/ttySAC0, 1 and 2 (note, some machines may not
249 provide all of these ports, depending on how the serial port
250 pins are configured.
251
252config SERIAL_SAMSUNG_UARTS_4
253 bool
254 depends on SERIAL_SAMSUNG
255 default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442)
256 help
257 Internal node for the common case of 4 Samsung compatible UARTs
258
259config SERIAL_SAMSUNG_UARTS
260 int
261 depends on SERIAL_SAMSUNG
262 default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416
263 default 3
264 help
265 Select the number of available UART ports for the Samsung S3C
266 serial driver
267
268config SERIAL_SAMSUNG_DEBUG
269 bool "Samsung SoC serial debug"
270 depends on SERIAL_SAMSUNG && DEBUG_LL
271 help
272 Add support for debugging the serial driver. Since this is
273 generally being used as a console, we use our own output
274 routines that go via the low-level debug printascii()
275 function.
276
277config SERIAL_SAMSUNG_CONSOLE
278 bool "Support for console on Samsung SoC serial port"
279 depends on SERIAL_SAMSUNG=y
280 select SERIAL_CORE_CONSOLE
281 select SERIAL_EARLYCON
282 help
283 Allow selection of the S3C24XX on-board serial ports for use as
284 an virtual console.
285
286 Even if you say Y here, the currently visible virtual console
287 (/dev/tty0) will still be used as the system console by default, but
288 you can alter that using a kernel command line option such as
289 "console=ttySACx". (Try "man bootparam" or see the documentation of
290 your boot loader about how to pass options to the kernel at
291 boot time.)
292
293config SERIAL_SIRFSOC
294 tristate "SiRF SoC Platform Serial port support"
295 depends on ARCH_SIRF
296 select SERIAL_CORE
297 help
298 Support for the on-chip UART on the CSR SiRFprimaII series,
299 providing /dev/ttySiRF0, 1 and 2 (note, some machines may not
300 provide all of these ports, depending on how the serial port
301 pins are configured).
302
303config SERIAL_SIRFSOC_CONSOLE
304 bool "Support for console on SiRF SoC serial port"
305 depends on SERIAL_SIRFSOC=y
306 select SERIAL_CORE_CONSOLE
307 help
308 Even if you say Y here, the currently visible virtual console
309 (/dev/tty0) will still be used as the system console by default, but
310 you can alter that using a kernel command line option such as
311 "console=ttySiRFx". (Try "man bootparam" or see the documentation of
312 your boot loader about how to pass options to the kernel at
313 boot time.)
314
315config SERIAL_TEGRA
316 tristate "NVIDIA Tegra20/30 SoC serial controller"
317 depends on ARCH_TEGRA && TEGRA20_APB_DMA
318 select SERIAL_CORE
319 help
320 Support for the on-chip UARTs on the NVIDIA Tegra series SOCs
321 providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not
322 provide all of these ports, depending on how the serial port
323 are enabled). This driver uses the APB DMA to achieve higher baudrate
324 and better performance.
325
326config SERIAL_MAX3100
327 tristate "MAX3100 support"
328 depends on SPI
329 select SERIAL_CORE
330 help
331 MAX3100 chip support
332
333config SERIAL_MAX310X
334 tristate "MAX310X support"
335 depends on SPI_MASTER
336 select SERIAL_CORE
337 select REGMAP_SPI if SPI_MASTER
338 default n
339 help
340 This selects support for an advanced UART from Maxim (Dallas).
341 Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830.
342 Each IC contains 128 words each of receive and transmit FIFO
343 that can be controlled through I2C or high-speed SPI.
344
345 Say Y here if you want to support this ICs.
346
347config SERIAL_DZ
348 bool "DECstation DZ serial driver"
349 depends on MACH_DECSTATION && 32BIT
350 select SERIAL_CORE
351 default y
352 ---help---
353 DZ11-family serial controllers for DECstations and VAXstations,
354 including the DC7085, M7814, and M7819.
355
356config SERIAL_DZ_CONSOLE
357 bool "Support console on DECstation DZ serial driver"
358 depends on SERIAL_DZ=y
359 select SERIAL_CORE_CONSOLE
360 default y
361 ---help---
362 If you say Y here, it will be possible to use a serial port as the
363 system console (the system console is the device which receives all
364 kernel messages and warnings and which allows logins in single user
365 mode).
366
367 Note that the firmware uses ttyS3 as the serial console on
368 DECstations that use this driver.
369
370 If unsure, say Y.
371
372config SERIAL_ZS
373 tristate "DECstation Z85C30 serial support"
374 depends on MACH_DECSTATION
375 select SERIAL_CORE
376 default y
377 ---help---
378 Support for the Zilog 85C350 serial communications controller used
379 for serial ports in newer DECstation systems. These include the
380 DECsystem 5900 and all models of the DECstation and DECsystem 5000
381 systems except from model 200.
382
383 If unsure, say Y. To compile this driver as a module, choose M here:
384 the module will be called zs.
385
386config SERIAL_ZS_CONSOLE
387 bool "Support for console on a DECstation Z85C30 serial port"
388 depends on SERIAL_ZS=y
389 select SERIAL_CORE_CONSOLE
390 default y
391 ---help---
392 If you say Y here, it will be possible to use a serial port as the
393 system console (the system console is the device which receives all
394 kernel messages and warnings and which allows logins in single user
395 mode).
396
397 Note that the firmware uses ttyS1 as the serial console on the
398 Maxine and ttyS3 on the others using this driver.
399
400 If unsure, say Y.
401
402config SERIAL_21285
403 tristate "DC21285 serial port support"
404 depends on FOOTBRIDGE
405 select SERIAL_CORE
406 help
407 If you have a machine based on a 21285 (Footbridge) StrongARM(R)/
408 PCI bridge you can enable its onboard serial port by enabling this
409 option.
410
411config SERIAL_21285_CONSOLE
412 bool "Console on DC21285 serial port"
413 depends on SERIAL_21285=y
414 select SERIAL_CORE_CONSOLE
415 help
416 If you have enabled the serial port on the 21285 footbridge you can
417 make it the console by answering Y to this option.
418
419 Even if you say Y here, the currently visible virtual console
420 (/dev/tty0) will still be used as the system console by default, but
421 you can alter that using a kernel command line option such as
422 "console=ttyFB". (Try "man bootparam" or see the documentation of
423 your boot loader (lilo or loadlin) about how to pass options to the
424 kernel at boot time.)
425
426config SERIAL_MPSC
427 bool "Marvell MPSC serial port support"
428 depends on MV64X60
429 select SERIAL_CORE
430 help
431 Say Y here if you want to use the Marvell MPSC serial controller.
432
433config SERIAL_MPSC_CONSOLE
434 bool "Support for console on Marvell MPSC serial port"
435 depends on SERIAL_MPSC
436 select SERIAL_CORE_CONSOLE
437 help
438 Say Y here if you want to support a serial console on a Marvell MPSC.
439
440config SERIAL_PXA
441 bool "PXA serial port support (DEPRECATED)"
442 depends on ARCH_PXA || ARCH_MMP
443 select SERIAL_CORE
444 select SERIAL_8250_PXA if SERIAL_8250=y
445 select SERIAL_PXA_NON8250 if !SERIAL_8250=y
446 help
447 If you have a machine based on an Intel XScale PXA2xx CPU you
448 can enable its onboard serial ports by enabling this option.
449
450 Unless you have a specific need, you should use SERIAL_8250_PXA
451 instead of this.
452
453config SERIAL_PXA_NON8250
454 bool
455 depends on !SERIAL_8250
456
457config SERIAL_PXA_CONSOLE
458 bool "Console on PXA serial port (DEPRECATED)"
459 depends on SERIAL_PXA
460 select SERIAL_CORE_CONSOLE
461 select SERIAL_8250_CONSOLE if SERIAL_8250=y
462 help
463 If you have enabled the serial port on the Intel XScale PXA
464 CPU you can make it the console by answering Y to this option.
465
466 Even if you say Y here, the currently visible virtual console
467 (/dev/tty0) will still be used as the system console by default, but
468 you can alter that using a kernel command line option such as
469 "console=ttySA0". (Try "man bootparam" or see the documentation of
470 your boot loader (lilo or loadlin) about how to pass options to the
471 kernel at boot time.)
472
473 Unless you have a specific need, you should use SERIAL_8250_PXA
474 and SERIAL_8250_CONSOLE instead of this.
475
476config SERIAL_SA1100
477 bool "SA1100 serial port support"
478 depends on ARCH_SA1100
479 select SERIAL_CORE
480 help
481 If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you
482 can enable its onboard serial port by enabling this option.
483 Please read <file:Documentation/arm/SA1100/serial_UART> for further
484 info.
485
486config SERIAL_SA1100_CONSOLE
487 bool "Console on SA1100 serial port"
488 depends on SERIAL_SA1100
489 select SERIAL_CORE_CONSOLE
490 help
491 If you have enabled the serial port on the SA1100/SA1110 StrongARM
492 CPU you can make it the console by answering Y to this option.
493
494 Even if you say Y here, the currently visible virtual console
495 (/dev/tty0) will still be used as the system console by default, but
496 you can alter that using a kernel command line option such as
497 "console=ttySA0". (Try "man bootparam" or see the documentation of
498 your boot loader (lilo or loadlin) about how to pass options to the
499 kernel at boot time.)
500
501config SERIAL_BFIN
502 tristate "Blackfin serial port support"
503 depends on BLACKFIN
504 select SERIAL_CORE
505 select SERIAL_BFIN_UART0 if (BF531 || BF532 || BF533 || BF561)
506 help
507 Add support for the built-in UARTs on the Blackfin.
508
509 To compile this driver as a module, choose M here: the
510 module is named bfin_uart.ko.
511
512config SERIAL_BFIN_CONSOLE
513 bool "Console on Blackfin serial port"
514 depends on SERIAL_BFIN=y
515 select SERIAL_CORE_CONSOLE
516
517choice
518 prompt "UART Mode"
519 depends on SERIAL_BFIN
520 default SERIAL_BFIN_DMA
521 help
522 This driver supports the built-in serial ports of the Blackfin family
523 of CPUs
524
525config SERIAL_BFIN_DMA
526 bool "DMA mode"
527 depends on !DMA_UNCACHED_NONE && KGDB_SERIAL_CONSOLE=n
528 help
529 This driver works under DMA mode. If this option is selected, the
530 blackfin simple dma driver is also enabled.
531
532config SERIAL_BFIN_PIO
533 bool "PIO mode"
534 help
535 This driver works under PIO mode.
536
537endchoice
538
539config SERIAL_BFIN_UART0
540 bool "Enable UART0"
541 depends on SERIAL_BFIN
542 help
543 Enable UART0
544
545config BFIN_UART0_CTSRTS
546 bool "Enable UART0 hardware flow control"
547 depends on SERIAL_BFIN_UART0
548 help
549 Enable hardware flow control in the driver.
550
551config SERIAL_BFIN_UART1
552 bool "Enable UART1"
553 depends on SERIAL_BFIN && (!BF531 && !BF532 && !BF533 && !BF561)
554 help
555 Enable UART1
556
557config BFIN_UART1_CTSRTS
558 bool "Enable UART1 hardware flow control"
559 depends on SERIAL_BFIN_UART1
560 help
561 Enable hardware flow control in the driver.
562
563config SERIAL_BFIN_UART2
564 bool "Enable UART2"
565 depends on SERIAL_BFIN && (BF54x || BF538 || BF539)
566 help
567 Enable UART2
568
569config BFIN_UART2_CTSRTS
570 bool "Enable UART2 hardware flow control"
571 depends on SERIAL_BFIN_UART2
572 help
573 Enable hardware flow control in the driver.
574
575config SERIAL_BFIN_UART3
576 bool "Enable UART3"
577 depends on SERIAL_BFIN && (BF54x)
578 help
579 Enable UART3
580
581config BFIN_UART3_CTSRTS
582 bool "Enable UART3 hardware flow control"
583 depends on SERIAL_BFIN_UART3
584 help
585 Enable hardware flow control in the driver.
586
587config SERIAL_IMX
588 tristate "IMX serial port support"
589 depends on HAS_DMA
590 depends on ARCH_MXC || COMPILE_TEST
591 select SERIAL_CORE
592 select RATIONAL
593 select SERIAL_MCTRL_GPIO if GPIOLIB
594 help
595 If you have a machine based on a Motorola IMX CPU you
596 can enable its onboard serial port by enabling this option.
597
598config SERIAL_IMX_CONSOLE
599 bool "Console on IMX serial port"
600 depends on SERIAL_IMX=y
601 select SERIAL_CORE_CONSOLE
602 select SERIAL_EARLYCON if OF
603 help
604 If you have enabled the serial port on the Freescale IMX
605 CPU you can make it the console by answering Y to this option.
606
607 Even if you say Y here, the currently visible virtual console
608 (/dev/tty0) will still be used as the system console by default, but
609 you can alter that using a kernel command line option such as
610 "console=ttymxc0". (Try "man bootparam" or see the documentation of
611 your bootloader about how to pass options to the kernel at boot time.)
612
613config SERIAL_UARTLITE
614 tristate "Xilinx uartlite serial port support"
615 depends on HAS_IOMEM
616 select SERIAL_CORE
617 help
618 Say Y here if you want to use the Xilinx uartlite serial controller.
619
620 To compile this driver as a module, choose M here: the
621 module will be called uartlite.
622
623config SERIAL_UARTLITE_CONSOLE
624 bool "Support for console on Xilinx uartlite serial port"
625 depends on SERIAL_UARTLITE=y
626 select SERIAL_CORE_CONSOLE
627 select SERIAL_EARLYCON
628 help
629 Say Y here if you wish to use a Xilinx uartlite as the system
630 console (the system console is the device which receives all kernel
631 messages and warnings and which allows logins in single user mode).
632
633config SERIAL_UARTLITE_NR_UARTS
634 int "Maximum number of uartlite serial ports"
635 depends on SERIAL_UARTLITE
636 range 1 256
637 default 1
638 help
639 Set this to the number of uartlites in your system, or the number
640 you think you might implement.
641
642config SERIAL_SUNCORE
643 bool
644 depends on SPARC
645 select SERIAL_CORE
646 select SERIAL_CORE_CONSOLE
647 default y
648
649config SERIAL_SUNZILOG
650 tristate "Sun Zilog8530 serial support"
651 depends on SPARC
652 help
653 This driver supports the Zilog8530 serial ports found on many Sparc
654 systems. Say Y or M if you want to be able to these serial ports.
655
656config SERIAL_SUNZILOG_CONSOLE
657 bool "Console on Sun Zilog8530 serial port"
658 depends on SERIAL_SUNZILOG=y
659 help
660 If you would like to be able to use the Zilog8530 serial port
661 on your Sparc system as the console, you can do so by answering
662 Y to this option.
663
664config SERIAL_SUNSU
665 tristate "Sun SU serial support"
666 depends on SPARC && PCI
667 help
668 This driver supports the 8250 serial ports that run the keyboard and
669 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able
670 to these serial ports.
671
672config SERIAL_SUNSU_CONSOLE
673 bool "Console on Sun SU serial port"
674 depends on SERIAL_SUNSU=y
675 help
676 If you would like to be able to use the SU serial port
677 on your Sparc system as the console, you can do so by answering
678 Y to this option.
679
680config SERIAL_MUX
681 tristate "Serial MUX support"
682 depends on GSC
683 select SERIAL_CORE
684 default y
685 ---help---
686 Saying Y here will enable the hardware MUX serial driver for
687 the Nova, K class systems and D class with a 'remote control card'.
688 The hardware MUX is not 8250/16550 compatible therefore the
689 /dev/ttyB0 device is shared between the Serial MUX and the PDC
690 software console. The following steps need to be completed to use
691 the Serial MUX:
692
693 1. create the device entry (mknod /dev/ttyB0 c 11 0)
694 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
695 3. Add device ttyB0 to /etc/securetty (if you want to log on as
696 root on this console.)
697 4. Change the kernel command console parameter to: console=ttyB0
698
699config SERIAL_MUX_CONSOLE
700 bool "Support for console on serial MUX"
701 depends on SERIAL_MUX=y
702 select SERIAL_CORE_CONSOLE
703 default y
704
705config PDC_CONSOLE
706 bool "PDC software console support"
707 depends on PARISC && !SERIAL_MUX && VT
708 default n
709 help
710 Saying Y here will enable the software based PDC console to be
711 used as the system console. This is useful for machines in
712 which the hardware based console has not been written yet. The
713 following steps must be completed to use the PDC console:
714
715 1. create the device entry (mknod /dev/ttyB0 c 11 0)
716 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
717 3. Add device ttyB0 to /etc/securetty (if you want to log on as
718 root on this console.)
719 4. Change the kernel command console parameter to: console=ttyB0
720
721config SERIAL_SUNSAB
722 tristate "Sun Siemens SAB82532 serial support"
723 depends on SPARC && PCI
724 help
725 This driver supports the Siemens SAB82532 DUSCC serial ports on newer
726 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these
727 serial ports.
728
729config SERIAL_SUNSAB_CONSOLE
730 bool "Console on Sun Siemens SAB82532 serial port"
731 depends on SERIAL_SUNSAB=y
732 help
733 If you would like to be able to use the SAB82532 serial port
734 on your Sparc system as the console, you can do so by answering
735 Y to this option.
736
737config SERIAL_SUNHV
738 bool "Sun4v Hypervisor Console support"
739 depends on SPARC64
740 help
741 This driver supports the console device found on SUN4V Sparc
742 systems. Say Y if you want to be able to use this device.
743
744config SERIAL_IP22_ZILOG
745 tristate "SGI Zilog8530 serial support"
746 depends on SGI_HAS_ZILOG
747 select SERIAL_CORE
748 help
749 This driver supports the Zilog8530 serial ports found on SGI
750 systems. Say Y or M if you want to be able to these serial ports.
751
752config SERIAL_IP22_ZILOG_CONSOLE
753 bool "Console on SGI Zilog8530 serial port"
754 depends on SERIAL_IP22_ZILOG=y
755 select SERIAL_CORE_CONSOLE
756
757config SERIAL_SH_SCI
758 tristate "SuperH SCI(F) serial port support"
759 depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST
760 select SERIAL_CORE
761 select SERIAL_MCTRL_GPIO if GPIOLIB
762
763config SERIAL_SH_SCI_NR_UARTS
764 int "Maximum number of SCI(F) serial ports" if EXPERT
765 depends on SERIAL_SH_SCI
766 default "3" if H8300
767 default "10" if SUPERH
768 default "18" if ARCH_RENESAS
769 default "2"
770
771config SERIAL_SH_SCI_CONSOLE
772 bool "Support for console on SuperH SCI(F)" if EXPERT
773 depends on SERIAL_SH_SCI=y
774 select SERIAL_CORE_CONSOLE
775 default y
776
777config SERIAL_SH_SCI_EARLYCON
778 bool "Support for early console on SuperH SCI(F)" if EXPERT
779 depends on SERIAL_SH_SCI=y
780 select SERIAL_CORE_CONSOLE
781 select SERIAL_EARLYCON
782 default ARCH_RENESAS || H8300
783
784config SERIAL_SH_SCI_DMA
785 bool "DMA support" if EXPERT
786 depends on SERIAL_SH_SCI && DMA_ENGINE
787 default ARCH_RENESAS
788
789config SERIAL_PNX8XXX
790 bool "Enable PNX8XXX SoCs' UART Support"
791 depends on SOC_PNX833X
792 select SERIAL_CORE
793 help
794 If you have a MIPS-based Philips SoC such as PNX8330 and you want
795 to use serial ports, say Y. Otherwise, say N.
796
797config SERIAL_PNX8XXX_CONSOLE
798 bool "Enable PNX8XX0 serial console"
799 depends on SERIAL_PNX8XXX
800 select SERIAL_CORE_CONSOLE
801 help
802 If you have a MIPS-based Philips SoC such as PNX8330 and you want
803 to use serial console, say Y. Otherwise, say N.
804
805config SERIAL_HS_LPC32XX
806 tristate "LPC32XX high speed serial port support"
807 depends on ARCH_LPC32XX && OF
808 select SERIAL_CORE
809 help
810 Support for the LPC32XX high speed serial ports (up to 900kbps).
811 Those are UARTs completely different from the Standard UARTs on the
812 LPC32XX SoC.
813 Choose M or Y here to build this driver.
814
815config SERIAL_HS_LPC32XX_CONSOLE
816 bool "Enable LPC32XX high speed UART serial console"
817 depends on SERIAL_HS_LPC32XX=y
818 select SERIAL_CORE_CONSOLE
819 help
820 If you would like to be able to use one of the high speed serial
821 ports on the LPC32XX as the console, you can do so by answering
822 Y to this option.
823
824config SERIAL_CORE
825 tristate
826
827config SERIAL_CORE_CONSOLE
828 bool
829
830config CONSOLE_POLL
831 bool
832
833config SERIAL_MCF
834 bool "Coldfire serial support"
835 depends on COLDFIRE
836 select SERIAL_CORE
837 help
838 This serial driver supports the Freescale Coldfire serial ports.
839
840config SERIAL_MCF_BAUDRATE
841 int "Default baudrate for Coldfire serial ports"
842 depends on SERIAL_MCF
843 default 19200
844 help
845 This setting lets you define what the default baudrate is for the
846 ColdFire serial ports. The usual default varies from board to board,
847 and this setting is a way of catering for that.
848
849config SERIAL_MCF_CONSOLE
850 bool "Coldfire serial console support"
851 depends on SERIAL_MCF
852 select SERIAL_CORE_CONSOLE
853 help
854 Enable a ColdFire internal serial port to be the system console.
855
856config SERIAL_PMACZILOG
857 tristate "Mac or PowerMac z85c30 ESCC support"
858 depends on (M68K && MAC) || PPC_PMAC
859 select SERIAL_CORE
860 help
861 This driver supports the Zilog z85C30 serial ports found on
862 (Power)Mac machines.
863 Say Y or M if you want to be able to these serial ports.
864
865config SERIAL_PMACZILOG_TTYS
866 bool "Use ttySn device nodes for Zilog z85c30"
867 depends on SERIAL_PMACZILOG
868 help
869 The pmac_zilog driver for the z85C30 chip on many powermacs
870 historically used the device numbers for /dev/ttySn. The
871 8250 serial port driver also uses these numbers, which means
872 the two drivers being unable to coexist; you could not use
873 both z85C30 and 8250 type ports at the same time.
874
875 If this option is not selected, the pmac_zilog driver will
876 use the device numbers allocated for /dev/ttyPZn. This allows
877 the pmac_zilog and 8250 drivers to co-exist, but may cause
878 existing userspace setups to break. Programs that need to
879 access the built-in serial ports on powermacs will need to
880 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn.
881
882 If you enable this option, any z85c30 ports in the system will
883 be registered as ttyS0 onwards as in the past, and you will be
884 unable to use the 8250 module for PCMCIA or other 16C550-style
885 UARTs.
886
887 Say N unless you need the z85c30 ports on your (Power)Mac
888 to appear as /dev/ttySn.
889
890config SERIAL_PMACZILOG_CONSOLE
891 bool "Console on Mac or PowerMac z85c30 serial port"
892 depends on SERIAL_PMACZILOG=y
893 select SERIAL_CORE_CONSOLE
894 help
895 If you would like to be able to use the z85c30 serial port
896 on your (Power)Mac as the console, you can do so by answering
897 Y to this option.
898
899config SERIAL_CPM
900 tristate "CPM SCC/SMC serial port support"
901 depends on CPM2 || CPM1
902 select SERIAL_CORE
903 help
904 This driver supports the SCC and SMC serial ports on Motorola
905 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx)
906
907config SERIAL_CPM_CONSOLE
908 bool "Support for console on CPM SCC/SMC serial port"
909 depends on SERIAL_CPM=y
910 select SERIAL_CORE_CONSOLE
911 help
912 Say Y here if you wish to use a SCC or SMC CPM UART as the system
913 console (the system console is the device which receives all kernel
914 messages and warnings and which allows logins in single user mode).
915
916 Even if you say Y here, the currently visible framebuffer console
917 (/dev/tty0) will still be used as the system console by default, but
918 you can alter that using a kernel command line option such as
919 "console=ttyCPM0". (Try "man bootparam" or see the documentation of
920 your boot loader (lilo or loadlin) about how to pass options to the
921 kernel at boot time.)
922
923config SERIAL_SGI_L1_CONSOLE
924 bool "SGI Altix L1 serial console support"
925 depends on IA64_GENERIC || IA64_SGI_SN2
926 select SERIAL_CORE
927 select SERIAL_CORE_CONSOLE
928 help
929 If you have an SGI Altix and you would like to use the system
930 controller serial port as your console (you want this!),
931 say Y. Otherwise, say N.
932
933config SERIAL_PIC32
934 tristate "Microchip PIC32 serial support"
935 depends on MACH_PIC32
936 select SERIAL_CORE
937 help
938 If you have a PIC32, this driver supports the serial ports.
939
940 Say Y or M to use PIC32 serial ports, otherwise say N. Note that
941 to use a serial port as a console, this must be included in kernel and
942 not as a module.
943
944config SERIAL_PIC32_CONSOLE
945 bool "PIC32 serial console support"
946 depends on SERIAL_PIC32
947 select SERIAL_CORE_CONSOLE
948 help
949 If you have a PIC32, this driver supports the putting a console on one
950 of the serial ports.
951
952 Say Y to use the PIC32 console, otherwise say N.
953
954config SERIAL_MPC52xx
955 tristate "Freescale MPC52xx/MPC512x family PSC serial support"
956 depends on PPC_MPC52xx || PPC_MPC512x
957 select SERIAL_CORE
958 help
959 This driver supports MPC52xx and MPC512x PSC serial ports. If you would
960 like to use them, you must answer Y or M to this option. Note that
961 for use as console, it must be included in kernel and not as a
962 module.
963
964config SERIAL_MPC52xx_CONSOLE
965 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port"
966 depends on SERIAL_MPC52xx=y
967 select SERIAL_CORE_CONSOLE
968 help
969 Select this options if you'd like to use one of the PSC serial port
970 of the Freescale MPC52xx family as a console.
971
972config SERIAL_MPC52xx_CONSOLE_BAUD
973 int "Freescale MPC52xx/MPC512x family PSC serial port baud"
974 depends on SERIAL_MPC52xx_CONSOLE=y
975 default "9600"
976 help
977 Select the MPC52xx console baud rate.
978 This value is only used if the bootloader doesn't pass in the
979 console baudrate
980
981config SERIAL_ICOM
982 tristate "IBM Multiport Serial Adapter"
983 depends on PCI && PPC_PSERIES
984 select SERIAL_CORE
985 select FW_LOADER
986 help
987 This driver is for a family of multiport serial adapters
988 including 2 port RVX, 2 port internal modem, 4 port internal
989 modem and a split 1 port RVX and 1 port internal modem.
990
991 This driver can also be built as a module. If so, the module
992 will be called icom.
993
994config SERIAL_M32R_SIO
995 bool "M32R SIO I/F"
996 depends on M32R
997 default y
998 select SERIAL_CORE
999 help
1000 Say Y here if you want to use the M32R serial controller.
1001
1002config SERIAL_M32R_SIO_CONSOLE
1003 bool "use SIO console"
1004 depends on SERIAL_M32R_SIO=y
1005 select SERIAL_CORE_CONSOLE
1006 help
1007 Say Y here if you want to support a serial console.
1008
1009 If you use an M3T-M32700UT or an OPSPUT platform,
1010 please say also y for SERIAL_M32R_PLDSIO.
1011
1012config SERIAL_M32R_PLDSIO
1013 bool "M32R SIO I/F on a PLD"
1014 depends on SERIAL_M32R_SIO=y && (PLAT_OPSPUT || PLAT_USRV || PLAT_M32700UT)
1015 default n
1016 help
1017 Say Y here if you want to use the M32R serial controller
1018 on a PLD (Programmable Logic Device).
1019
1020 If you use an M3T-M32700UT or an OPSPUT platform,
1021 please say Y.
1022
1023config SERIAL_TXX9
1024 bool "TMPTX39XX/49XX SIO support"
1025 depends on HAS_TXX9_SERIAL
1026 select SERIAL_CORE
1027 default y
1028
1029config HAS_TXX9_SERIAL
1030 bool
1031
1032config SERIAL_TXX9_NR_UARTS
1033 int "Maximum number of TMPTX39XX/49XX SIO ports"
1034 depends on SERIAL_TXX9
1035 default "6"
1036
1037config SERIAL_TXX9_CONSOLE
1038 bool "TMPTX39XX/49XX SIO Console support"
1039 depends on SERIAL_TXX9=y
1040 select SERIAL_CORE_CONSOLE
1041
1042config SERIAL_TXX9_STDSERIAL
1043 bool "TX39XX/49XX SIO act as standard serial"
1044 depends on !SERIAL_8250 && SERIAL_TXX9
1045
1046config SERIAL_VR41XX
1047 tristate "NEC VR4100 series Serial Interface Unit support"
1048 depends on CPU_VR41XX
1049 select SERIAL_CORE
1050 help
1051 If you have a NEC VR4100 series processor and you want to use
1052 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU)
1053 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N.
1054
1055config SERIAL_VR41XX_CONSOLE
1056 bool "Enable NEC VR4100 series Serial Interface Unit console"
1057 depends on SERIAL_VR41XX=y
1058 select SERIAL_CORE_CONSOLE
1059 help
1060 If you have a NEC VR4100 series processor and you want to use
1061 a console on a serial port, say Y. Otherwise, say N.
1062
1063config SERIAL_JSM
1064 tristate "Digi International NEO and Classic PCI Support"
1065 depends on PCI
1066 select SERIAL_CORE
1067 help
1068 This is a driver for Digi International's Neo and Classic series
1069 of cards which provide multiple serial ports. You would need
1070 something like this to connect more than two modems to your Linux
1071 box, for instance in order to become a dial-in server. This driver
1072 supports PCI boards only.
1073
1074 If you have a card like this, say Y here, otherwise say N.
1075
1076 To compile this driver as a module, choose M here: the
1077 module will be called jsm.
1078
1079config SERIAL_SGI_IOC4
1080 tristate "SGI IOC4 controller serial support"
1081 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4
1082 select SERIAL_CORE
1083 help
1084 If you have an SGI Altix with an IOC4 based Base IO card
1085 and wish to use the serial ports on this card, say Y.
1086 Otherwise, say N.
1087
1088config SERIAL_SGI_IOC3
1089 tristate "SGI Altix IOC3 serial support"
1090 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3
1091 select SERIAL_CORE
1092 help
1093 If you have an SGI Altix with an IOC3 serial card,
1094 say Y or M. Otherwise, say N.
1095
1096config SERIAL_MSM
1097 tristate "MSM on-chip serial port support"
1098 depends on ARCH_QCOM
1099 select SERIAL_CORE
1100
1101config SERIAL_MSM_CONSOLE
1102 bool "MSM serial console support"
1103 depends on SERIAL_MSM=y
1104 select SERIAL_CORE_CONSOLE
1105 select SERIAL_EARLYCON
1106
1107config SERIAL_VT8500
1108 bool "VIA VT8500 on-chip serial port support"
1109 depends on ARCH_VT8500
1110 select SERIAL_CORE
1111
1112config SERIAL_VT8500_CONSOLE
1113 bool "VIA VT8500 serial console support"
1114 depends on SERIAL_VT8500=y
1115 select SERIAL_CORE_CONSOLE
1116
1117config SERIAL_ETRAXFS
1118 bool "ETRAX FS serial port support"
1119 depends on ETRAX_ARCH_V32 && OF
1120 select SERIAL_CORE
1121 select SERIAL_MCTRL_GPIO if GPIOLIB
1122
1123config SERIAL_ETRAXFS_CONSOLE
1124 bool "ETRAX FS serial console support"
1125 depends on SERIAL_ETRAXFS
1126 select SERIAL_CORE_CONSOLE
1127
1128config SERIAL_NETX
1129 tristate "NetX serial port support"
1130 depends on ARCH_NETX
1131 select SERIAL_CORE
1132 help
1133 If you have a machine based on a Hilscher NetX SoC you
1134 can enable its onboard serial port by enabling this option.
1135
1136 To compile this driver as a module, choose M here: the
1137 module will be called netx-serial.
1138
1139config SERIAL_NETX_CONSOLE
1140 bool "Console on NetX serial port"
1141 depends on SERIAL_NETX=y
1142 select SERIAL_CORE_CONSOLE
1143 help
1144 If you have enabled the serial port on the Hilscher NetX SoC
1145 you can make it the console by answering Y to this option.
1146
1147config SERIAL_OMAP
1148 tristate "OMAP serial port support"
1149 depends on ARCH_OMAP2PLUS
1150 select SERIAL_CORE
1151 help
1152 If you have a machine based on an Texas Instruments OMAP CPU you
1153 can enable its onboard serial ports by enabling this option.
1154
1155 By enabling this option you take advantage of dma feature available
1156 with the omap-serial driver. DMA support can be enabled from platform
1157 data.
1158
1159config SERIAL_OMAP_CONSOLE
1160 bool "Console on OMAP serial port"
1161 depends on SERIAL_OMAP=y
1162 select SERIAL_CORE_CONSOLE
1163 help
1164 Select this option if you would like to use omap serial port as
1165 console.
1166
1167 Even if you say Y here, the currently visible virtual console
1168 (/dev/tty0) will still be used as the system console by default, but
1169 you can alter that using a kernel command line option such as
1170 "console=ttyOx". (Try "man bootparam" or see the documentation of
1171 your boot loader about how to pass options to the kernel at
1172 boot time.)
1173
1174config SERIAL_LANTIQ
1175 bool "Lantiq serial driver"
1176 depends on LANTIQ
1177 select SERIAL_CORE
1178 select SERIAL_CORE_CONSOLE
1179 select SERIAL_EARLYCON
1180 help
1181 Support for console and UART on Lantiq SoCs.
1182
1183config SERIAL_QE
1184 tristate "Freescale QUICC Engine serial port support"
1185 depends on QUICC_ENGINE
1186 select SERIAL_CORE
1187 select FW_LOADER
1188 default n
1189 help
1190 This driver supports the QE serial ports on Freescale embedded
1191 PowerPC that contain a QUICC Engine.
1192
1193config SERIAL_SCCNXP
1194 tristate "SCCNXP serial port support"
1195 select SERIAL_CORE
1196 help
1197 This selects support for an advanced UART from NXP (Philips).
1198 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92,
1199 SC28L202, SCC68681 and SCC68692.
1200
1201config SERIAL_SCCNXP_CONSOLE
1202 bool "Console on SCCNXP serial port"
1203 depends on SERIAL_SCCNXP=y
1204 select SERIAL_CORE_CONSOLE
1205 help
1206 Support for console on SCCNXP serial ports.
1207
1208config SERIAL_SC16IS7XX_CORE
1209 tristate
1210
1211config SERIAL_SC16IS7XX
1212 tristate "SC16IS7xx serial support"
1213 select SERIAL_CORE
1214 depends on (SPI_MASTER && !I2C) || I2C
1215 help
1216 This selects support for SC16IS7xx serial ports.
1217 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752,
1218 SC16IS760 and SC16IS762. Select supported buses using options below.
1219
1220config SERIAL_SC16IS7XX_I2C
1221 bool "SC16IS7xx for I2C interface"
1222 depends on SERIAL_SC16IS7XX
1223 depends on I2C
1224 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX
1225 select REGMAP_I2C if I2C
1226 default y
1227 help
1228 Enable SC16IS7xx driver on I2C bus,
1229 If required say y, and say n to i2c if not required,
1230 Enabled by default to support oldconfig.
1231 You must select at least one bus for the driver to be built.
1232
1233config SERIAL_SC16IS7XX_SPI
1234 bool "SC16IS7xx for spi interface"
1235 depends on SERIAL_SC16IS7XX
1236 depends on SPI_MASTER
1237 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX
1238 select REGMAP_SPI if SPI_MASTER
1239 help
1240 Enable SC16IS7xx driver on SPI bus,
1241 If required say y, and say n to spi if not required,
1242 This is additional support to exsisting driver.
1243 You must select at least one bus for the driver to be built.
1244
1245config SERIAL_BFIN_SPORT
1246 tristate "Blackfin SPORT emulate UART"
1247 depends on BLACKFIN
1248 select SERIAL_CORE
1249 help
1250 Enable SPORT emulate UART on Blackfin series.
1251
1252 To compile this driver as a module, choose M here: the
1253 module will be called bfin_sport_uart.
1254
1255config SERIAL_BFIN_SPORT_CONSOLE
1256 bool "Console on Blackfin sport emulated uart"
1257 depends on SERIAL_BFIN_SPORT=y
1258 select SERIAL_CORE_CONSOLE
1259
1260config SERIAL_BFIN_SPORT0_UART
1261 bool "Enable UART over SPORT0"
1262 depends on SERIAL_BFIN_SPORT && !(BF542 || BF544)
1263 help
1264 Enable UART over SPORT0
1265
1266config SERIAL_BFIN_SPORT0_UART_CTSRTS
1267 bool "Enable UART over SPORT0 hardware flow control"
1268 depends on SERIAL_BFIN_SPORT0_UART
1269 help
1270 Enable hardware flow control in the driver.
1271
1272config SERIAL_BFIN_SPORT1_UART
1273 bool "Enable UART over SPORT1"
1274 depends on SERIAL_BFIN_SPORT
1275 help
1276 Enable UART over SPORT1
1277
1278config SERIAL_BFIN_SPORT1_UART_CTSRTS
1279 bool "Enable UART over SPORT1 hardware flow control"
1280 depends on SERIAL_BFIN_SPORT1_UART
1281 help
1282 Enable hardware flow control in the driver.
1283
1284config SERIAL_BFIN_SPORT2_UART
1285 bool "Enable UART over SPORT2"
1286 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539)
1287 help
1288 Enable UART over SPORT2
1289
1290config SERIAL_BFIN_SPORT2_UART_CTSRTS
1291 bool "Enable UART over SPORT2 hardware flow control"
1292 depends on SERIAL_BFIN_SPORT2_UART
1293 help
1294 Enable hardware flow control in the driver.
1295
1296config SERIAL_BFIN_SPORT3_UART
1297 bool "Enable UART over SPORT3"
1298 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539)
1299 help
1300 Enable UART over SPORT3
1301
1302config SERIAL_BFIN_SPORT3_UART_CTSRTS
1303 bool "Enable UART over SPORT3 hardware flow control"
1304 depends on SERIAL_BFIN_SPORT3_UART
1305 help
1306 Enable hardware flow control in the driver.
1307
1308config SERIAL_TIMBERDALE
1309 tristate "Support for timberdale UART"
1310 select SERIAL_CORE
1311 depends on X86_32 || COMPILE_TEST
1312 ---help---
1313 Add support for UART controller on timberdale.
1314
1315config SERIAL_BCM63XX
1316 tristate "Broadcom BCM63xx/BCM33xx UART support"
1317 select SERIAL_CORE
1318 depends on MIPS || ARM || COMPILE_TEST
1319 help
1320 This enables the driver for the onchip UART core found on
1321 the following chipsets:
1322
1323 BCM33xx (cable modem)
1324 BCM63xx/BCM63xxx (DSL)
1325 BCM68xx (PON)
1326 BCM7xxx (STB) - DOCSIS console
1327
1328config SERIAL_BCM63XX_CONSOLE
1329 bool "Console on BCM63xx serial port"
1330 depends on SERIAL_BCM63XX=y
1331 select SERIAL_CORE_CONSOLE
1332 select SERIAL_EARLYCON
1333 help
1334 If you have enabled the serial port on the BCM63xx CPU
1335 you can make it the console by answering Y to this option.
1336
1337config SERIAL_GRLIB_GAISLER_APBUART
1338 tristate "GRLIB APBUART serial support"
1339 depends on OF && SPARC
1340 select SERIAL_CORE
1341 ---help---
1342 Add support for the GRLIB APBUART serial port.
1343
1344config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE
1345 bool "Console on GRLIB APBUART serial port"
1346 depends on SERIAL_GRLIB_GAISLER_APBUART=y
1347 select SERIAL_CORE_CONSOLE
1348 help
1349 Support for running a console on the GRLIB APBUART
1350
1351config SERIAL_ALTERA_JTAGUART
1352 tristate "Altera JTAG UART support"
1353 select SERIAL_CORE
1354 help
1355 This driver supports the Altera JTAG UART port.
1356
1357config SERIAL_ALTERA_JTAGUART_CONSOLE
1358 bool "Altera JTAG UART console support"
1359 depends on SERIAL_ALTERA_JTAGUART=y
1360 select SERIAL_CORE_CONSOLE
1361 select SERIAL_EARLYCON
1362 help
1363 Enable a Altera JTAG UART port to be the system console.
1364
1365config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS
1366 bool "Bypass output when no connection"
1367 depends on SERIAL_ALTERA_JTAGUART_CONSOLE
1368 select SERIAL_CORE_CONSOLE
1369 help
1370 Bypass console output and keep going even if there is no
1371 JTAG terminal connection with the host.
1372
1373config SERIAL_ALTERA_UART
1374 tristate "Altera UART support"
1375 select SERIAL_CORE
1376 help
1377 This driver supports the Altera softcore UART port.
1378
1379config SERIAL_ALTERA_UART_MAXPORTS
1380 int "Maximum number of Altera UART ports"
1381 depends on SERIAL_ALTERA_UART
1382 default 4
1383 help
1384 This setting lets you define the maximum number of the Altera
1385 UART ports. The usual default varies from board to board, and
1386 this setting is a way of catering for that.
1387
1388config SERIAL_ALTERA_UART_BAUDRATE
1389 int "Default baudrate for Altera UART ports"
1390 depends on SERIAL_ALTERA_UART
1391 default 115200
1392 help
1393 This setting lets you define what the default baudrate is for the
1394 Altera UART ports. The usual default varies from board to board,
1395 and this setting is a way of catering for that.
1396
1397config SERIAL_ALTERA_UART_CONSOLE
1398 bool "Altera UART console support"
1399 depends on SERIAL_ALTERA_UART=y
1400 select SERIAL_CORE_CONSOLE
1401 select SERIAL_EARLYCON
1402 help
1403 Enable a Altera UART port to be the system console.
1404
1405config SERIAL_IFX6X60
1406 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)"
1407 depends on GPIOLIB || COMPILE_TEST
1408 depends on SPI && HAS_DMA
1409 help
1410 Support for the IFX6x60 modem devices on Intel MID platforms.
1411
1412config SERIAL_PCH_UART
1413 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART"
1414 depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
1415 select SERIAL_CORE
1416 help
1417 This driver is for PCH(Platform controller Hub) UART of Intel EG20T
1418 which is an IOH(Input/Output Hub) for x86 embedded processor.
1419 Enabling PCH_DMA, this PCH UART works as DMA mode.
1420
1421 This driver also can be used for LAPIS Semiconductor IOH(Input/
1422 Output Hub), ML7213, ML7223 and ML7831.
1423 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
1424 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
1425 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1426 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
1427
1428config SERIAL_PCH_UART_CONSOLE
1429 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH"
1430 depends on SERIAL_PCH_UART=y
1431 select SERIAL_CORE_CONSOLE
1432 help
1433 Say Y here if you wish to use the PCH UART as the system console
1434 (the system console is the device which receives all kernel messages and
1435 warnings and which allows logins in single user mode).
1436
1437config SERIAL_MXS_AUART
1438 tristate "MXS AUART support"
1439 depends on HAS_DMA
1440 depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST
1441 select SERIAL_CORE
1442 select SERIAL_MCTRL_GPIO if GPIOLIB
1443 help
1444 This driver supports the MXS and Alphascale ASM9260 Application
1445 UART (AUART) port.
1446
1447config SERIAL_MXS_AUART_CONSOLE
1448 bool "MXS AUART console support"
1449 depends on SERIAL_MXS_AUART=y
1450 select SERIAL_CORE_CONSOLE
1451 help
1452 Enable a MXS AUART port to be the system console.
1453
1454config SERIAL_XILINX_PS_UART
1455 tristate "Cadence (Xilinx Zynq) UART support"
1456 depends on OF
1457 select SERIAL_CORE
1458 help
1459 This driver supports the Cadence UART. It is found e.g. in Xilinx
1460 Zynq.
1461
1462config SERIAL_XILINX_PS_UART_CONSOLE
1463 bool "Cadence UART console support"
1464 depends on SERIAL_XILINX_PS_UART=y
1465 select SERIAL_CORE_CONSOLE
1466 select SERIAL_EARLYCON
1467 help
1468 Enable a Cadence UART port to be the system console.
1469
1470config SERIAL_AR933X
1471 tristate "AR933X serial port support"
1472 depends on HAVE_CLK && SOC_AR933X
1473 select SERIAL_CORE
1474 help
1475 If you have an Atheros AR933X SOC based board and want to use the
1476 built-in UART of the SoC, say Y to this option.
1477
1478 To compile this driver as a module, choose M here: the
1479 module will be called ar933x_uart.
1480
1481config SERIAL_AR933X_CONSOLE
1482 bool "Console on AR933X serial port"
1483 depends on SERIAL_AR933X=y
1484 select SERIAL_CORE_CONSOLE
1485 help
1486 Enable a built-in UART port of the AR933X to be the system console.
1487
1488config SERIAL_AR933X_NR_UARTS
1489 int "Maximum number of AR933X serial ports"
1490 depends on SERIAL_AR933X
1491 default "2"
1492 help
1493 Set this to the number of serial ports you want the driver
1494 to support.
1495
1496config SERIAL_EFM32_UART
1497 tristate "EFM32 UART/USART port"
1498 depends on ARM && (ARCH_EFM32 || COMPILE_TEST)
1499 select SERIAL_CORE
1500 help
1501 This driver support the USART and UART ports on
1502 Energy Micro's efm32 SoCs.
1503
1504config SERIAL_MPS2_UART_CONSOLE
1505 bool "MPS2 UART console support"
1506 depends on SERIAL_MPS2_UART
1507 select SERIAL_CORE_CONSOLE
1508 select SERIAL_EARLYCON
1509
1510config SERIAL_MPS2_UART
1511 bool "MPS2 UART port"
1512 depends on ARCH_MPS2 || COMPILE_TEST
1513 select SERIAL_CORE
1514 help
1515 This driver support the UART ports on ARM MPS2.
1516
1517config SERIAL_EFM32_UART_CONSOLE
1518 bool "EFM32 UART/USART console support"
1519 depends on SERIAL_EFM32_UART=y
1520 select SERIAL_CORE_CONSOLE
1521
1522config SERIAL_TILEGX
1523 tristate "TILE-Gx on-chip serial port support"
1524 depends on TILEGX
1525 select TILE_GXIO_UART
1526 select SERIAL_CORE
1527 ---help---
1528 This device provides access to the on-chip UARTs on the TILE-Gx
1529 processor.
1530
1531config SERIAL_ARC
1532 tristate "ARC UART driver support"
1533 select SERIAL_CORE
1534 help
1535 Driver for on-chip UART for ARC(Synopsys) for the legacy
1536 FPGA Boards (ML50x/ARCAngel4)
1537
1538config SERIAL_ARC_CONSOLE
1539 bool "Console on ARC UART"
1540 depends on SERIAL_ARC=y
1541 select SERIAL_CORE_CONSOLE
1542 select SERIAL_EARLYCON
1543 help
1544 Enable system Console on ARC UART
1545
1546config SERIAL_ARC_NR_PORTS
1547 int "Number of ARC UART ports"
1548 depends on SERIAL_ARC
1549 range 1 3
1550 default "1"
1551 help
1552 Set this to the number of serial ports you want the driver
1553 to support.
1554
1555config SERIAL_RP2
1556 tristate "Comtrol RocketPort EXPRESS/INFINITY support"
1557 depends on PCI
1558 select SERIAL_CORE
1559 help
1560 This driver supports the Comtrol RocketPort EXPRESS and
1561 RocketPort INFINITY families of PCI/PCIe multiport serial adapters.
1562 These adapters use a "RocketPort 2" ASIC that is not compatible
1563 with the original RocketPort driver (CONFIG_ROCKETPORT).
1564
1565 To compile this driver as a module, choose M here: the
1566 module will be called rp2.
1567
1568 If you want to compile this driver into the kernel, say Y here. If
1569 you don't have a suitable RocketPort card installed, say N.
1570
1571config SERIAL_RP2_NR_UARTS
1572 int "Maximum number of RocketPort EXPRESS/INFINITY ports"
1573 depends on SERIAL_RP2
1574 default "32"
1575 help
1576 If multiple cards are present, the default limit of 32 ports may
1577 need to be increased.
1578
1579config SERIAL_FSL_LPUART
1580 tristate "Freescale lpuart serial port support"
1581 depends on HAS_DMA
1582 select SERIAL_CORE
1583 help
1584 Support for the on-chip lpuart on some Freescale SOCs.
1585
1586config SERIAL_FSL_LPUART_CONSOLE
1587 bool "Console on Freescale lpuart serial port"
1588 depends on SERIAL_FSL_LPUART=y
1589 select SERIAL_CORE_CONSOLE
1590 select SERIAL_EARLYCON
1591 help
1592 If you have enabled the lpuart serial port on the Freescale SoCs,
1593 you can make it the console by answering Y to this option.
1594
1595config SERIAL_CONEXANT_DIGICOLOR
1596 tristate "Conexant Digicolor CX92xxx USART serial port support"
1597 depends on OF
1598 select SERIAL_CORE
1599 help
1600 Support for the on-chip USART on Conexant Digicolor SoCs.
1601
1602config SERIAL_CONEXANT_DIGICOLOR_CONSOLE
1603 bool "Console on Conexant Digicolor serial port"
1604 depends on SERIAL_CONEXANT_DIGICOLOR=y
1605 select SERIAL_CORE_CONSOLE
1606 help
1607 If you have enabled the USART serial port on Conexant Digicolor
1608 SoCs, you can make it the console by answering Y to this option.
1609
1610config SERIAL_ST_ASC
1611 tristate "ST ASC serial port support"
1612 select SERIAL_CORE
1613 depends on ARM || COMPILE_TEST
1614 help
1615 This driver is for the on-chip Asychronous Serial Controller on
1616 STMicroelectronics STi SoCs.
1617 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality.
1618 It support all industry standard baud rates.
1619
1620 If unsure, say N.
1621
1622config SERIAL_ST_ASC_CONSOLE
1623 bool "Support for console on ST ASC"
1624 depends on SERIAL_ST_ASC=y
1625 select SERIAL_CORE_CONSOLE
1626
1627config SERIAL_MEN_Z135
1628 tristate "MEN 16z135 Support"
1629 select SERIAL_CORE
1630 depends on MCB
1631 help
1632 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core
1633 on a MCB carrier.
1634
1635 This driver can also be build as a module. If so, the module will be called
1636 men_z135_uart.ko
1637
1638config SERIAL_SPRD
1639 tristate "Support for Spreadtrum serial"
1640 depends on ARCH_SPRD
1641 select SERIAL_CORE
1642 help
1643 This enables the driver for the Spreadtrum's serial.
1644
1645config SERIAL_SPRD_CONSOLE
1646 bool "Spreadtrum UART console support"
1647 depends on SERIAL_SPRD=y
1648 select SERIAL_CORE_CONSOLE
1649 select SERIAL_EARLYCON
1650 help
1651 Support for early debug console using Spreadtrum's serial. This enables
1652 the console before standard serial driver is probed. This is enabled
1653 with "earlycon" on the kernel command line. The console is
1654 enabled when early_param is processed.
1655
1656config SERIAL_STM32
1657 tristate "STMicroelectronics STM32 serial port support"
1658 select SERIAL_CORE
1659 depends on HAS_DMA
1660 depends on ARCH_STM32 || COMPILE_TEST
1661 help
1662 This driver is for the on-chip Serial Controller on
1663 STMicroelectronics STM32 MCUs.
1664 USART supports Rx & Tx functionality.
1665 It support all industry standard baud rates.
1666
1667 If unsure, say N.
1668
1669config SERIAL_STM32_CONSOLE
1670 bool "Support for console on STM32"
1671 depends on SERIAL_STM32=y
1672 select SERIAL_CORE_CONSOLE
1673
1674config SERIAL_MVEBU_UART
1675 bool "Marvell EBU serial port support"
1676 depends on ARCH_MVEBU || COMPILE_TEST
1677 select SERIAL_CORE
1678 help
1679 This driver is for Marvell EBU SoC's UART. If you have a machine
1680 based on the Armada-3700 SoC and wish to use the on-board serial
1681 port,
1682 say 'Y' here.
1683 Otherwise, say 'N'.
1684
1685config SERIAL_MVEBU_CONSOLE
1686 bool "Console on Marvell EBU serial port"
1687 depends on SERIAL_MVEBU_UART
1688 select SERIAL_CORE_CONSOLE
1689 select SERIAL_EARLYCON
1690 default y
1691 help
1692 Say 'Y' here if you wish to use Armada-3700 UART as the system console.
1693 (the system console is the device which receives all kernel messages
1694 and warnings and which allows logins in single user mode)
1695 Otherwise, say 'N'.
1696
1697config SERIAL_OWL
1698 tristate "Actions Semi Owl serial port support"
1699 depends on ARCH_ACTIONS || COMPILE_TEST
1700 select SERIAL_CORE
1701 help
1702 This driver is for Actions Semiconductor S500/S900 SoC's UART.
1703 Say 'Y' here if you wish to use the on-board serial port.
1704 Otherwise, say 'N'.
1705
1706config SERIAL_OWL_CONSOLE
1707 bool "Console on Actions Semi Owl serial port"
1708 depends on SERIAL_OWL=y
1709 select SERIAL_CORE_CONSOLE
1710 select SERIAL_EARLYCON
1711 default y
1712 help
1713 Say 'Y' here if you wish to use Actions Semiconductor S500/S900 UART
1714 as the system console.
1715
1716endmenu
1717
1718config SERIAL_MCTRL_GPIO
1719 tristate
1720
1721endif # TTY