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1# SPDX-License-Identifier: GPL-2.0
2#
3# Serial device configuration
4#
5
6menu "Serial drivers"
7	depends on HAS_IOMEM
8
9config SERIAL_EARLYCON
10	bool
11	depends on SERIAL_CORE
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_EARLYCON_RISCV_SBI
89	bool "Early console using RISC-V SBI"
90	depends on RISCV_SBI_V01
91	select SERIAL_CORE
92	select SERIAL_CORE_CONSOLE
93	select SERIAL_EARLYCON
94	help
95	  Support for early debug console using RISC-V SBI. This enables
96	  the console before standard serial driver is probed. This is enabled
97	  with "earlycon=sbi" on the kernel command line. The console is
98	  enabled when early_param is processed.
99
100config SERIAL_SB1250_DUART
101	tristate "BCM1xxx on-chip DUART serial support"
102	depends on SIBYTE_SB1xxx_SOC=y
103	select SERIAL_CORE
104	default y
105	help
106	  Support for the asynchronous serial interface (DUART) included in
107	  the BCM1250 and derived System-On-a-Chip (SOC) devices.  Note that
108	  the letter D in DUART stands for "dual", which is how the device
109	  is implemented.  Depending on the SOC configuration there may be
110	  one or more DUARTs available of which all are handled.
111
112	  If unsure, say Y.  To compile this driver as a module, choose M here:
113	  the module will be called sb1250-duart.
114
115config SERIAL_SB1250_DUART_CONSOLE
116	bool "Support for console on a BCM1xxx DUART serial port"
117	depends on SERIAL_SB1250_DUART=y
118	select SERIAL_CORE_CONSOLE
119	default y
120	help
121	  If you say Y here, it will be possible to use a serial port as the
122	  system console (the system console is the device which receives all
123	  kernel messages and warnings and which allows logins in single user
124	  mode).
125
126	  If unsure, say Y.
127
128config SERIAL_ATMEL
129	bool "AT91 on-chip serial port support"
130	depends on ARCH_AT91 || COMPILE_TEST
131	select SERIAL_CORE
132	select SERIAL_MCTRL_GPIO if GPIOLIB
133	select MFD_AT91_USART
134	help
135	  This enables the driver for the on-chip UARTs of the Atmel
136	  AT91 processors.
137
138config SERIAL_ATMEL_CONSOLE
139	bool "Support for console on AT91 serial port"
140	depends on SERIAL_ATMEL=y
141	select SERIAL_CORE_CONSOLE
142	help
143	  Say Y here if you wish to use an on-chip UART on a Atmel
144	  AT91 processor as the system console (the system
145	  console is the device which receives all kernel messages and
146	  warnings and which allows logins in single user mode).
147
148config SERIAL_ATMEL_PDC
149	bool "Support DMA transfers on AT91 serial port"
150	depends on SERIAL_ATMEL
151	default y
152	help
153	  Say Y here if you wish to use the PDC to do DMA transfers to
154	  and from the Atmel AT91 serial port. In order to
155	  actually use DMA transfers, make sure that the use_dma_tx
156	  and use_dma_rx members in the atmel_uart_data struct is set
157	  appropriately for each port.
158
159	  Note that break and error handling currently doesn't work
160	  properly when DMA is enabled. Make sure that ports where
161	  this matters don't use DMA.
162
163config SERIAL_ATMEL_TTYAT
164	bool "Install as device ttyATn instead of ttySn"
165	depends on SERIAL_ATMEL=y
166	help
167	  Say Y here if you wish to have the internal AT91 UARTs
168	  appear as /dev/ttyATn (major 204, minor starting at 154)
169	  instead of the normal /dev/ttySn (major 4, minor starting at
170	  64). This is necessary if you also want other UARTs, such as
171	  external 8250/16C550 compatible UARTs.
172	  The ttySn nodes are legally reserved for the 8250 serial driver
173	  but are often misused by other serial drivers.
174
175	  To use this, you should create suitable ttyATn device nodes in
176	  /dev/, and pass "console=ttyATn" to the kernel.
177
178	  Say Y if you have an external 8250/16C550 UART.  If unsure, say N.
179
180config SERIAL_KGDB_NMI
181	bool "Serial console over KGDB NMI debugger port"
182	depends on KGDB_SERIAL_CONSOLE
183	help
184	  This special driver allows you to temporary use NMI debugger port
185	  as a normal console (assuming that the port is attached to KGDB).
186
187	  Unlike KDB's disable_nmi command, with this driver you are always
188	  able to go back to the debugger using KGDB escape sequence ($3#33).
189	  This is because this console driver processes the input in NMI
190	  context, and thus is able to intercept the magic sequence.
191
192	  Note that since the console interprets input and uses polling
193	  communication methods, for things like PPP you still must fully
194	  detach debugger port from the KGDB NMI (i.e. disable_nmi), and
195	  use raw console.
196
197	  If unsure, say N.
198
199config SERIAL_MESON
200	tristate "Meson serial port support"
201	depends on ARCH_MESON
202	select SERIAL_CORE
203	help
204	  This enables the driver for the on-chip UARTs of the Amlogic
205	  MesonX processors.
206
207config SERIAL_MESON_CONSOLE
208	bool "Support for console on meson"
209	depends on SERIAL_MESON
210	select SERIAL_CORE_CONSOLE
211	select SERIAL_EARLYCON
212	help
213	  Say Y here if you wish to use a Amlogic MesonX UART as the
214	  system console (the system console is the device which
215	  receives all kernel messages and warnings and which allows
216	  logins in single user mode) as /dev/ttyAMLx.
217
218config SERIAL_CLPS711X
219	tristate "CLPS711X serial port support"
220	depends on ARCH_CLPS711X || COMPILE_TEST
221	select SERIAL_CORE
222	select SERIAL_MCTRL_GPIO if GPIOLIB
223	help
224	  This enables the driver for the on-chip UARTs of the Cirrus
225	  Logic EP711x/EP721x/EP731x processors.
226
227config SERIAL_CLPS711X_CONSOLE
228	bool "Support for console on CLPS711X serial port"
229	depends on SERIAL_CLPS711X=y
230	select SERIAL_CORE_CONSOLE
231	help
232	  Even if you say Y here, the currently visible virtual console
233	  (/dev/tty0) will still be used as the system console by default, but
234	  you can alter that using a kernel command line option such as
235	  "console=ttyCL1".
236
237config SERIAL_SAMSUNG
238	tristate "Samsung SoC serial support"
239	select SERIAL_CORE
240	help
241	  Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
242	  providing /dev/ttySAC0, 1 and 2 (note, some machines may not
243	  provide all of these ports, depending on how the serial port
244	  pins are configured.
245
246config SERIAL_SAMSUNG_UARTS_4
247	bool
248	depends on SERIAL_SAMSUNG
249	default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442)
250	help
251	  Internal node for the common case of 4 Samsung compatible UARTs
252
253config SERIAL_SAMSUNG_UARTS
254	int
255	depends on SERIAL_SAMSUNG
256	default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416
257	default 3
258	help
259	  Select the number of available UART ports for the Samsung S3C
260	  serial driver
261
262config SERIAL_SAMSUNG_CONSOLE
263	bool "Support for console on Samsung SoC serial port"
264	depends on SERIAL_SAMSUNG=y
265	select SERIAL_CORE_CONSOLE
266	select SERIAL_EARLYCON
267	help
268	  Allow selection of the S3C24XX on-board serial ports for use as
269	  an virtual console.
270
271	  Even if you say Y here, the currently visible virtual console
272	  (/dev/tty0) will still be used as the system console by default, but
273	  you can alter that using a kernel command line option such as
274	  "console=ttySACx". (Try "man bootparam" or see the documentation of
275	  your boot loader about how to pass options to the kernel at
276	  boot time.)
277
278config SERIAL_SIRFSOC
279	tristate "SiRF SoC Platform Serial port support"
280	depends on ARCH_SIRF
281	select SERIAL_CORE
282	help
283	  Support for the on-chip UART on the CSR SiRFprimaII series,
284	  providing /dev/ttySiRF0, 1 and 2 (note, some machines may not
285	  provide all of these ports, depending on how the serial port
286	  pins are configured).
287
288config SERIAL_SIRFSOC_CONSOLE
289	bool "Support for console on SiRF SoC serial port"
290	depends on SERIAL_SIRFSOC=y
291	select SERIAL_CORE_CONSOLE
292	help
293	  Even if you say Y here, the currently visible virtual console
294	  (/dev/tty0) will still be used as the system console by default, but
295	  you can alter that using a kernel command line option such as
296	  "console=ttySiRFx". (Try "man bootparam" or see the documentation of
297	  your boot loader about how to pass options to the kernel at
298	  boot time.)
299
300config SERIAL_TEGRA
301	tristate "NVIDIA Tegra20/30 SoC serial controller"
302	depends on ARCH_TEGRA && TEGRA20_APB_DMA
303	select SERIAL_CORE
304	help
305	  Support for the on-chip UARTs on the NVIDIA Tegra series SOCs
306	  providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not
307	  provide all of these ports, depending on how the serial port
308	  are enabled). This driver uses the APB DMA to achieve higher baudrate
309	  and better performance.
310
311config SERIAL_TEGRA_TCU
312	tristate "NVIDIA Tegra Combined UART"
313	depends on ARCH_TEGRA && TEGRA_HSP_MBOX
314	select SERIAL_CORE
315	help
316	  Support for the mailbox-based TCU (Tegra Combined UART) serial port.
317	  TCU is a virtual serial port that allows multiplexing multiple data
318	  streams into a single hardware serial port.
319
320config SERIAL_TEGRA_TCU_CONSOLE
321	bool "Support for console on a Tegra TCU serial port"
322	depends on SERIAL_TEGRA_TCU=y
323	select SERIAL_CORE_CONSOLE
324	default y
325	help
326	  If you say Y here, it will be possible to use a the Tegra TCU as the
327	  system console (the system console is the device which receives all
328	  kernel messages and warnings and which allows logins in single user
329	  mode).
330
331	  If unsure, say Y.
332
333config SERIAL_MAX3100
334	tristate "MAX3100 support"
335	depends on SPI
336	select SERIAL_CORE
337	help
338	  MAX3100 chip support
339
340config SERIAL_MAX310X
341	tristate "MAX310X support"
342	depends on SPI_MASTER
343	select SERIAL_CORE
344	select REGMAP_SPI if SPI_MASTER
345	help
346	  This selects support for an advanced UART from Maxim (Dallas).
347	  Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830.
348	  Each IC contains 128 words each of receive and transmit FIFO
349	  that can be controlled through I2C or high-speed SPI.
350
351	  Say Y here if you want to support this ICs.
352
353config SERIAL_DZ
354	bool "DECstation DZ serial driver"
355	depends on MACH_DECSTATION && 32BIT
356	select SERIAL_CORE
357	default y
358	help
359	  DZ11-family serial controllers for DECstations and VAXstations,
360	  including the DC7085, M7814, and M7819.
361
362config SERIAL_DZ_CONSOLE
363	bool "Support console on DECstation DZ serial driver"
364	depends on SERIAL_DZ=y
365	select SERIAL_CORE_CONSOLE
366	default y
367	help
368	  If you say Y here, it will be possible to use a serial port as the
369	  system console (the system console is the device which receives all
370	  kernel messages and warnings and which allows logins in single user
371	  mode).
372
373	  Note that the firmware uses ttyS3 as the serial console on
374	  DECstations that use this driver.
375
376	  If unsure, say Y.
377
378config SERIAL_ZS
379	tristate "DECstation Z85C30 serial support"
380	depends on MACH_DECSTATION
381	select SERIAL_CORE
382	default y
383	help
384	  Support for the Zilog 85C350 serial communications controller used
385	  for serial ports in newer DECstation systems.  These include the
386	  DECsystem 5900 and all models of the DECstation and DECsystem 5000
387	  systems except from model 200.
388
389	  If unsure, say Y.  To compile this driver as a module, choose M here:
390	  the module will be called zs.
391
392config SERIAL_ZS_CONSOLE
393	bool "Support for console on a DECstation Z85C30 serial port"
394	depends on SERIAL_ZS=y
395	select SERIAL_CORE_CONSOLE
396	default y
397	help
398	  If you say Y here, it will be possible to use a serial port as the
399	  system console (the system console is the device which receives all
400	  kernel messages and warnings and which allows logins in single user
401	  mode).
402
403	  Note that the firmware uses ttyS1 as the serial console on the
404	  Maxine and ttyS3 on the others using this driver.
405
406	  If unsure, say Y.
407
408config SERIAL_21285
409	tristate "DC21285 serial port support"
410	depends on FOOTBRIDGE
411	select SERIAL_CORE
412	help
413	  If you have a machine based on a 21285 (Footbridge) StrongARM(R)/
414	  PCI bridge you can enable its onboard serial port by enabling this
415	  option.
416
417config SERIAL_21285_CONSOLE
418	bool "Console on DC21285 serial port"
419	depends on SERIAL_21285=y
420	select SERIAL_CORE_CONSOLE
421	help
422	  If you have enabled the serial port on the 21285 footbridge you can
423	  make it the console by answering Y to this option.
424
425	  Even if you say Y here, the currently visible virtual console
426	  (/dev/tty0) will still be used as the system console by default, but
427	  you can alter that using a kernel command line option such as
428	  "console=ttyFB". (Try "man bootparam" or see the documentation of
429	  your boot loader (lilo or loadlin) about how to pass options to the
430	  kernel at boot time.)
431
432config SERIAL_PXA
433	bool "PXA serial port support (DEPRECATED)"
434	depends on ARCH_PXA || ARCH_MMP
435	select SERIAL_CORE
436	select SERIAL_8250_PXA if SERIAL_8250=y
437	select SERIAL_PXA_NON8250 if !SERIAL_8250=y
438	help
439	  If you have a machine based on an Intel XScale PXA2xx CPU you
440	  can enable its onboard serial ports by enabling this option.
441
442	  Unless you have a specific need, you should use SERIAL_8250_PXA
443	  instead of this.
444
445config SERIAL_PXA_NON8250
446	bool
447	depends on !SERIAL_8250
448
449config SERIAL_PXA_CONSOLE
450	bool "Console on PXA serial port (DEPRECATED)"
451	depends on SERIAL_PXA
452	select SERIAL_CORE_CONSOLE
453	select SERIAL_8250_CONSOLE if SERIAL_8250=y
454	help
455	  If you have enabled the serial port on the Intel XScale PXA
456	  CPU you can make it the console by answering Y to this option.
457
458	  Even if you say Y here, the currently visible virtual console
459	  (/dev/tty0) will still be used as the system console by default, but
460	  you can alter that using a kernel command line option such as
461	  "console=ttySA0". (Try "man bootparam" or see the documentation of
462	  your boot loader (lilo or loadlin) about how to pass options to the
463	  kernel at boot time.)
464
465	  Unless you have a specific need, you should use SERIAL_8250_PXA
466	  and SERIAL_8250_CONSOLE instead of this.
467
468config SERIAL_SA1100
469	bool "SA1100 serial port support"
470	depends on ARCH_SA1100
471	select SERIAL_CORE
472	select SERIAL_MCTRL_GPIO if GPIOLIB
473	help
474	  If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you
475	  can enable its onboard serial port by enabling this option.
476	  Please read <file:Documentation/arm/sa1100/serial_uart.rst> for further
477	  info.
478
479config SERIAL_SA1100_CONSOLE
480	bool "Console on SA1100 serial port"
481	depends on SERIAL_SA1100
482	select SERIAL_CORE_CONSOLE
483	help
484	  If you have enabled the serial port on the SA1100/SA1110 StrongARM
485	  CPU you can make it the console by answering Y to this option.
486
487	  Even if you say Y here, the currently visible virtual console
488	  (/dev/tty0) will still be used as the system console by default, but
489	  you can alter that using a kernel command line option such as
490	  "console=ttySA0". (Try "man bootparam" or see the documentation of
491	  your boot loader (lilo or loadlin) about how to pass options to the
492	  kernel at boot time.)
493
494config SERIAL_IMX
495	tristate "IMX serial port support"
496	depends on ARCH_MXC || COMPILE_TEST
497	select SERIAL_CORE
498	select RATIONAL
499	select SERIAL_MCTRL_GPIO if GPIOLIB
500	help
501	  If you have a machine based on a Motorola IMX CPU you
502	  can enable its onboard serial port by enabling this option.
503
504config SERIAL_IMX_CONSOLE
505	tristate "Console on IMX serial port"
506	depends on SERIAL_IMX
507	select SERIAL_CORE_CONSOLE
508	help
509	  If you have enabled the serial port on the Freescale IMX
510	  CPU you can make it the console by answering Y/M to this option.
511
512	  Even if you say Y/M here, the currently visible virtual console
513	  (/dev/tty0) will still be used as the system console by default, but
514	  you can alter that using a kernel command line option such as
515	  "console=ttymxc0". (Try "man bootparam" or see the documentation of
516	  your bootloader about how to pass options to the kernel at boot time.)
517
518config SERIAL_IMX_EARLYCON
519	bool "Earlycon on IMX serial port"
520	depends on ARCH_MXC || COMPILE_TEST
521	depends on OF
522	select SERIAL_EARLYCON
523	select SERIAL_CORE_CONSOLE
524	default y if SERIAL_IMX_CONSOLE
525	help
526	  If you have enabled the earlycon on the Freescale IMX
527	  CPU you can make it the earlycon by answering Y to this option.
528
529config SERIAL_UARTLITE
530	tristate "Xilinx uartlite serial port support"
531	depends on HAS_IOMEM
532	select SERIAL_CORE
533	help
534	  Say Y here if you want to use the Xilinx uartlite serial controller.
535
536	  To compile this driver as a module, choose M here: the
537	  module will be called uartlite.
538
539config SERIAL_UARTLITE_CONSOLE
540	bool "Support for console on Xilinx uartlite serial port"
541	depends on SERIAL_UARTLITE=y
542	select SERIAL_CORE_CONSOLE
543	select SERIAL_EARLYCON
544	help
545	  Say Y here if you wish to use a Xilinx uartlite as the system
546	  console (the system console is the device which receives all kernel
547	  messages and warnings and which allows logins in single user mode).
548
549config SERIAL_UARTLITE_NR_UARTS
550	int "Maximum number of uartlite serial ports"
551	depends on SERIAL_UARTLITE
552	range 1 256
553	default 1
554	help
555	  Set this to the number of uartlites in your system, or the number
556	  you think you might implement.
557
558config SERIAL_SUNCORE
559	bool
560	depends on SPARC
561	select SERIAL_CORE
562	select SERIAL_CORE_CONSOLE
563	default y
564
565config SERIAL_SUNZILOG
566	tristate "Sun Zilog8530 serial support"
567	depends on SPARC
568	help
569	  This driver supports the Zilog8530 serial ports found on many Sparc
570	  systems.  Say Y or M if you want to be able to these serial ports.
571
572config SERIAL_SUNZILOG_CONSOLE
573	bool "Console on Sun Zilog8530 serial port"
574	depends on SERIAL_SUNZILOG=y
575	help
576	  If you would like to be able to use the Zilog8530 serial port
577	  on your Sparc system as the console, you can do so by answering
578	  Y to this option.
579
580config SERIAL_SUNSU
581	tristate "Sun SU serial support"
582	depends on SPARC && PCI
583	help
584	  This driver supports the 8250 serial ports that run the keyboard and
585	  mouse on (PCI) UltraSPARC systems.  Say Y or M if you want to be able
586	  to these serial ports.
587
588config SERIAL_SUNSU_CONSOLE
589	bool "Console on Sun SU serial port"
590	depends on SERIAL_SUNSU=y
591	help
592	  If you would like to be able to use the SU serial port
593	  on your Sparc system as the console, you can do so by answering
594	  Y to this option.
595
596config SERIAL_MUX
597	tristate "Serial MUX support"
598	depends on GSC
599	select SERIAL_CORE
600	default y
601	help
602	  Saying Y here will enable the hardware MUX serial driver for
603	  the Nova, K class systems and D class with a 'remote control card'.
604	  The hardware MUX is not 8250/16550 compatible therefore the
605	  /dev/ttyB0 device is shared between the Serial MUX and the PDC
606	  software console. The following steps need to be completed to use
607	  the Serial MUX:
608
609	    1. create the device entry (mknod /dev/ttyB0 c 11 0)
610	    2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
611	    3. Add device ttyB0 to /etc/securetty (if you want to log on as
612		 root on this console.)
613	    4. Change the kernel command console parameter to: console=ttyB0
614
615config SERIAL_MUX_CONSOLE
616	bool "Support for console on serial MUX"
617	depends on SERIAL_MUX=y
618	select SERIAL_CORE_CONSOLE
619	default y
620
621config PDC_CONSOLE
622	bool "PDC software console support"
623	depends on PARISC && !SERIAL_MUX && VT
624	help
625	  Saying Y here will enable the software based PDC console to be
626	  used as the system console.  This is useful for machines in
627	  which the hardware based console has not been written yet.  The
628	  following steps must be completed to use the PDC console:
629
630	    1. create the device entry (mknod /dev/ttyB0 c 11 0)
631	    2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
632	    3. Add device ttyB0 to /etc/securetty (if you want to log on as
633		 root on this console.)
634	    4. Change the kernel command console parameter to: console=ttyB0
635
636config SERIAL_SUNSAB
637	tristate "Sun Siemens SAB82532 serial support"
638	depends on SPARC && PCI
639	help
640	  This driver supports the Siemens SAB82532 DUSCC serial ports on newer
641	  (PCI) UltraSPARC systems.  Say Y or M if you want to be able to these
642	  serial ports.
643
644config SERIAL_SUNSAB_CONSOLE
645	bool "Console on Sun Siemens SAB82532 serial port"
646	depends on SERIAL_SUNSAB=y
647	help
648	  If you would like to be able to use the SAB82532 serial port
649	  on your Sparc system as the console, you can do so by answering
650	  Y to this option.
651
652config SERIAL_SUNHV
653	bool "Sun4v Hypervisor Console support"
654	depends on SPARC64
655	help
656	  This driver supports the console device found on SUN4V Sparc
657	  systems.  Say Y if you want to be able to use this device.
658
659config SERIAL_IP22_ZILOG
660	tristate "SGI Zilog8530 serial support"
661	depends on SGI_HAS_ZILOG
662	select SERIAL_CORE
663	help
664	  This driver supports the Zilog8530 serial ports found on SGI
665	  systems.  Say Y or M if you want to be able to these serial ports.
666
667config SERIAL_IP22_ZILOG_CONSOLE
668	bool "Console on SGI Zilog8530 serial port"
669	depends on SERIAL_IP22_ZILOG=y
670	select SERIAL_CORE_CONSOLE
671
672config SERIAL_SH_SCI
673	tristate "SuperH SCI(F) serial port support"
674	depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST
675	select SERIAL_CORE
676	select SERIAL_MCTRL_GPIO if GPIOLIB
677
678config SERIAL_SH_SCI_NR_UARTS
679	int "Maximum number of SCI(F) serial ports" if EXPERT
680	range 1 64 if 64BIT
681	range 1 32 if !64BIT
682	depends on SERIAL_SH_SCI
683	default "3" if H8300
684	default "10" if SUPERH
685	default "18" if ARCH_RENESAS
686	default "2"
687
688config SERIAL_SH_SCI_CONSOLE
689	bool "Support for console on SuperH SCI(F)" if EXPERT
690	depends on SERIAL_SH_SCI=y
691	select SERIAL_CORE_CONSOLE
692	default y
693
694config SERIAL_SH_SCI_EARLYCON
695	bool "Support for early console on SuperH SCI(F)" if EXPERT
696	depends on SERIAL_SH_SCI=y
697	select SERIAL_CORE_CONSOLE
698	select SERIAL_EARLYCON
699	default ARCH_RENESAS || H8300
700
701config SERIAL_SH_SCI_DMA
702	bool "DMA support" if EXPERT
703	depends on SERIAL_SH_SCI && DMA_ENGINE
704	default ARCH_RENESAS
705
706config SERIAL_PNX8XXX
707	bool "Enable PNX8XXX SoCs' UART Support"
708	depends on SOC_PNX833X
709	select SERIAL_CORE
710	help
711	  If you have a MIPS-based Philips SoC such as PNX8330 and you want
712	  to use serial ports, say Y.  Otherwise, say N.
713
714config SERIAL_PNX8XXX_CONSOLE
715	bool "Enable PNX8XX0 serial console"
716	depends on SERIAL_PNX8XXX
717	select SERIAL_CORE_CONSOLE
718	help
719	  If you have a MIPS-based Philips SoC such as PNX8330 and you want
720	  to use serial console, say Y. Otherwise, say N.
721
722config SERIAL_HS_LPC32XX
723	tristate "LPC32XX high speed serial port support"
724	depends on ARCH_LPC32XX || COMPILE_TEST
725	depends on OF
726	select SERIAL_CORE
727	help
728	  Support for the LPC32XX high speed serial ports (up to 900kbps).
729	  Those are UARTs completely different from the Standard UARTs on the
730	  LPC32XX SoC.
731	  Choose M or Y here to build this driver.
732
733config SERIAL_HS_LPC32XX_CONSOLE
734	bool "Enable LPC32XX high speed UART serial console"
735	depends on SERIAL_HS_LPC32XX=y
736	select SERIAL_CORE_CONSOLE
737	help
738	  If you would like to be able to use one of the high speed serial
739	  ports on the LPC32XX as the console, you can do so by answering
740	  Y to this option.
741
742config SERIAL_CORE
743	tristate
744
745config SERIAL_CORE_CONSOLE
746	bool
747
748config CONSOLE_POLL
749	bool
750
751config SERIAL_MCF
752	bool "Coldfire serial support"
753	depends on COLDFIRE
754	select SERIAL_CORE
755	help
756	  This serial driver supports the Freescale Coldfire serial ports.
757
758config SERIAL_MCF_BAUDRATE
759	int "Default baudrate for Coldfire serial ports"
760	depends on SERIAL_MCF
761	default 19200
762	help
763	  This setting lets you define what the default baudrate is for the
764	  ColdFire serial ports. The usual default varies from board to board,
765	  and this setting is a way of catering for that.
766
767config SERIAL_MCF_CONSOLE
768	bool "Coldfire serial console support"
769	depends on SERIAL_MCF
770	select SERIAL_CORE_CONSOLE
771	help
772	  Enable a ColdFire internal serial port to be the system console.
773
774config SERIAL_PMACZILOG
775	tristate "Mac or PowerMac z85c30 ESCC support"
776	depends on (M68K && MAC) || PPC_PMAC
777	select SERIAL_CORE
778	help
779	  This driver supports the Zilog z85C30 serial ports found on
780	  (Power)Mac machines.
781	  Say Y or M if you want to be able to these serial ports.
782
783config SERIAL_PMACZILOG_TTYS
784	bool "Use ttySn device nodes for Zilog z85c30"
785	depends on SERIAL_PMACZILOG
786	help
787	  The pmac_zilog driver for the z85C30 chip on many powermacs
788	  historically used the device numbers for /dev/ttySn.  The
789	  8250 serial port driver also uses these numbers, which means
790	  the two drivers being unable to coexist; you could not use
791	  both z85C30 and 8250 type ports at the same time.
792
793	  If this option is not selected, the pmac_zilog driver will
794	  use the device numbers allocated for /dev/ttyPZn.  This allows
795	  the pmac_zilog and 8250 drivers to co-exist, but may cause
796	  existing userspace setups to break.  Programs that need to
797	  access the built-in serial ports on powermacs will need to
798	  be reconfigured to use /dev/ttyPZn instead of /dev/ttySn.
799
800	  If you enable this option, any z85c30 ports in the system will
801	  be registered as ttyS0 onwards as in the past, and you will be
802	  unable to use the 8250 module for PCMCIA or other 16C550-style
803	  UARTs.
804
805	  Say N unless you need the z85c30 ports on your (Power)Mac
806	  to appear as /dev/ttySn.
807
808config SERIAL_PMACZILOG_CONSOLE
809	bool "Console on Mac or PowerMac z85c30 serial port"
810	depends on SERIAL_PMACZILOG=y
811	select SERIAL_CORE_CONSOLE
812	help
813	  If you would like to be able to use the z85c30 serial port
814	  on your (Power)Mac as the console, you can do so by answering
815	  Y to this option.
816
817config SERIAL_CPM
818	tristate "CPM SCC/SMC serial port support"
819	depends on CPM2 || CPM1
820	select SERIAL_CORE
821	help
822	  This driver supports the SCC and SMC serial ports on Motorola
823	  embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx)
824
825config SERIAL_CPM_CONSOLE
826	bool "Support for console on CPM SCC/SMC serial port"
827	depends on SERIAL_CPM=y
828	select SERIAL_CORE_CONSOLE
829	help
830	  Say Y here if you wish to use a SCC or SMC CPM UART as the system
831	  console (the system console is the device which receives all kernel
832	  messages and warnings and which allows logins in single user mode).
833
834	  Even if you say Y here, the currently visible framebuffer console
835	  (/dev/tty0) will still be used as the system console by default, but
836	  you can alter that using a kernel command line option such as
837	  "console=ttyCPM0". (Try "man bootparam" or see the documentation of
838	  your boot loader (lilo or loadlin) about how to pass options to the
839	  kernel at boot time.)
840
841config SERIAL_PIC32
842	tristate "Microchip PIC32 serial support"
843	depends on MACH_PIC32
844	select SERIAL_CORE
845	help
846	  If you have a PIC32, this driver supports the serial ports.
847
848	  Say Y or M to use PIC32 serial ports, otherwise say N. Note that
849	  to use a serial port as a console, this must be included in kernel and
850	  not as a module.
851
852config SERIAL_PIC32_CONSOLE
853	bool "PIC32 serial console support"
854	depends on SERIAL_PIC32
855	select SERIAL_CORE_CONSOLE
856	help
857	  If you have a PIC32, this driver supports the putting a console on one
858	  of the serial ports.
859
860	  Say Y to use the PIC32 console, otherwise say N.
861
862config SERIAL_MPC52xx
863	tristate "Freescale MPC52xx/MPC512x family PSC serial support"
864	depends on PPC_MPC52xx || PPC_MPC512x
865	select SERIAL_CORE
866	help
867	  This driver supports MPC52xx and MPC512x PSC serial ports. If you would
868	  like to use them, you must answer Y or M to this option. Note that
869	  for use as console, it must be included in kernel and not as a
870	  module.
871
872config SERIAL_MPC52xx_CONSOLE
873	bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port"
874	depends on SERIAL_MPC52xx=y
875	select SERIAL_CORE_CONSOLE
876	help
877	  Select this options if you'd like to use one of the PSC serial port
878	  of the Freescale MPC52xx family as a console.
879
880config SERIAL_MPC52xx_CONSOLE_BAUD
881	int "Freescale MPC52xx/MPC512x family PSC serial port baud"
882	depends on SERIAL_MPC52xx_CONSOLE=y
883	default "9600"
884	help
885	  Select the MPC52xx console baud rate.
886	  This value is only used if the bootloader doesn't pass in the
887	  console baudrate
888
889config SERIAL_ICOM
890	tristate "IBM Multiport Serial Adapter"
891	depends on PCI && PPC_PSERIES
892	select SERIAL_CORE
893	select FW_LOADER
894	help
895	  This driver is for a family of multiport serial adapters
896	  including 2 port RVX, 2 port internal modem, 4 port internal
897	  modem and a split 1 port RVX and 1 port internal modem.
898
899	  This driver can also be built as a module.  If so, the module
900	  will be called icom.
901
902config SERIAL_TXX9
903	bool "TMPTX39XX/49XX SIO support"
904	depends on HAS_TXX9_SERIAL
905	select SERIAL_CORE
906	default y
907
908config HAS_TXX9_SERIAL
909	bool
910
911config SERIAL_TXX9_NR_UARTS
912	int "Maximum number of TMPTX39XX/49XX SIO ports"
913	depends on SERIAL_TXX9
914	default "6"
915
916config SERIAL_TXX9_CONSOLE
917	bool "TMPTX39XX/49XX SIO Console support"
918	depends on SERIAL_TXX9=y
919	select SERIAL_CORE_CONSOLE
920
921config SERIAL_TXX9_STDSERIAL
922	bool "TX39XX/49XX SIO act as standard serial"
923	depends on !SERIAL_8250 && SERIAL_TXX9
924
925config SERIAL_VR41XX
926	tristate "NEC VR4100 series Serial Interface Unit support"
927	depends on CPU_VR41XX
928	select SERIAL_CORE
929	help
930	  If you have a NEC VR4100 series processor and you want to use
931	  Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU)
932	  (not include VR4111/VR4121 DSIU), say Y.  Otherwise, say N.
933
934config SERIAL_VR41XX_CONSOLE
935	bool "Enable NEC VR4100 series Serial Interface Unit console"
936	depends on SERIAL_VR41XX=y
937	select SERIAL_CORE_CONSOLE
938	help
939	  If you have a NEC VR4100 series processor and you want to use
940	  a console on a serial port, say Y.  Otherwise, say N.
941
942config SERIAL_JSM
943	tristate "Digi International NEO and Classic PCI Support"
944	depends on PCI
945	select SERIAL_CORE
946	help
947	  This is a driver for Digi International's Neo and Classic series
948	  of cards which provide multiple serial ports. You would need
949	  something like this to connect more than two modems to your Linux
950	  box, for instance in order to become a dial-in server. This driver
951	  supports PCI boards only.
952
953	  If you have a card like this, say Y here, otherwise say N.
954
955	  To compile this driver as a module, choose M here: the
956	  module will be called jsm.
957
958config SERIAL_MSM
959	tristate "MSM on-chip serial port support"
960	depends on ARCH_QCOM
961	select SERIAL_CORE
962
963config SERIAL_MSM_CONSOLE
964	bool "MSM serial console support"
965	depends on SERIAL_MSM=y
966	select SERIAL_CORE_CONSOLE
967	select SERIAL_EARLYCON
968
969config SERIAL_MSM_GENI_EARLY_CONSOLE
970	bool "MSM on-chip GENI HW based early console support"
971	select SERIAL_CORE_CONSOLE
972	select SERIAL_EARLYCON
973	help
974	  Serial early console driver for Qualcomm Technologies Inc's GENI
975	  based QUP hardware.
976
977config SERIAL_QCOM_GENI
978	tristate "QCOM on-chip GENI based serial port support"
979	depends on ARCH_QCOM || COMPILE_TEST
980	depends on QCOM_GENI_SE
981	select SERIAL_CORE
982
983config SERIAL_QCOM_GENI_CONSOLE
984	bool "QCOM GENI Serial Console support"
985	depends on SERIAL_QCOM_GENI
986	select SERIAL_CORE_CONSOLE
987	select SERIAL_EARLYCON
988	help
989	  Serial console driver for Qualcomm Technologies Inc's GENI based
990	  QUP hardware.
991
992config SERIAL_VT8500
993	bool "VIA VT8500 on-chip serial port support"
994	depends on ARCH_VT8500
995	select SERIAL_CORE
996
997config SERIAL_VT8500_CONSOLE
998	bool "VIA VT8500 serial console support"
999	depends on SERIAL_VT8500=y
1000	select SERIAL_CORE_CONSOLE
1001
1002config SERIAL_OMAP
1003	tristate "OMAP serial port support"
1004	depends on ARCH_OMAP2PLUS
1005	select SERIAL_CORE
1006	help
1007	  If you have a machine based on an Texas Instruments OMAP CPU you
1008	  can enable its onboard serial ports by enabling this option.
1009
1010	  By enabling this option you take advantage of dma feature available
1011	  with the omap-serial driver. DMA support can be enabled from platform
1012	  data.
1013
1014config SERIAL_OMAP_CONSOLE
1015	bool "Console on OMAP serial port"
1016	depends on SERIAL_OMAP=y
1017	select SERIAL_CORE_CONSOLE
1018	help
1019	  Select this option if you would like to use omap serial port as
1020	  console.
1021
1022	  Even if you say Y here, the currently visible virtual console
1023	  (/dev/tty0) will still be used as the system console by default, but
1024	  you can alter that using a kernel command line option such as
1025	  "console=ttyOx". (Try "man bootparam" or see the documentation of
1026	  your boot loader about how to pass options to the kernel at
1027	  boot time.)
1028
1029config SERIAL_SIFIVE
1030	tristate "SiFive UART support"
1031	depends on OF
1032	select SERIAL_CORE
1033	help
1034	  Select this option if you are building a kernel for a device that
1035	  contains a SiFive UART IP block.  This type of UART is present on
1036	  SiFive FU540 SoCs, among others.
1037
1038config SERIAL_SIFIVE_CONSOLE
1039	bool "Console on SiFive UART"
1040	depends on SERIAL_SIFIVE=y
1041	select SERIAL_CORE_CONSOLE
1042	select SERIAL_EARLYCON
1043	help
1044	  Select this option if you would like to use a SiFive UART as the
1045	  system console.
1046
1047	  Even if you say Y here, the currently visible virtual console
1048	  (/dev/tty0) will still be used as the system console by default, but
1049	  you can alter that using a kernel command line option such as
1050	  "console=ttySIFx". (Try "man bootparam" or see the documentation of
1051	  your boot loader about how to pass options to the kernel at
1052	  boot time.)
1053
1054config SERIAL_LANTIQ
1055	tristate "Lantiq serial driver"
1056	depends on (LANTIQ || X86) || COMPILE_TEST
1057	select SERIAL_CORE
1058	help
1059	  Support for UART on Lantiq and Intel SoCs.
1060	  To compile this driver as a module, select M here. The
1061	  module will be called lantiq.
1062
1063config SERIAL_LANTIQ_CONSOLE
1064	bool "Console on Lantiq UART"
1065	depends on SERIAL_LANTIQ=y
1066	select SERIAL_CORE_CONSOLE
1067	select SERIAL_EARLYCON
1068	help
1069	  Select this option if you would like to use a Lantiq UART as the
1070	  system console.
1071
1072config SERIAL_QE
1073	tristate "Freescale QUICC Engine serial port support"
1074	depends on QUICC_ENGINE
1075	select SERIAL_CORE
1076	select FW_LOADER
1077	help
1078	  This driver supports the QE serial ports on Freescale embedded
1079	  PowerPC that contain a QUICC Engine.
1080
1081config SERIAL_SCCNXP
1082	tristate "SCCNXP serial port support"
1083	select SERIAL_CORE
1084	help
1085	  This selects support for an advanced UART from NXP (Philips).
1086	  Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92,
1087	  SC28L202, SCC68681 and SCC68692.
1088
1089config SERIAL_SCCNXP_CONSOLE
1090	bool "Console on SCCNXP serial port"
1091	depends on SERIAL_SCCNXP=y
1092	select SERIAL_CORE_CONSOLE
1093	help
1094	  Support for console on SCCNXP serial ports.
1095
1096config SERIAL_SC16IS7XX_CORE
1097	tristate
1098
1099config SERIAL_SC16IS7XX
1100	tristate "SC16IS7xx serial support"
1101	select SERIAL_CORE
1102	depends on (SPI_MASTER && !I2C) || I2C
1103	help
1104	  This selects support for SC16IS7xx serial ports.
1105	  Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752,
1106	  SC16IS760 and SC16IS762. Select supported buses using options below.
1107
1108config SERIAL_SC16IS7XX_I2C
1109	bool "SC16IS7xx for I2C interface"
1110	depends on SERIAL_SC16IS7XX
1111	depends on I2C
1112	select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX
1113	select REGMAP_I2C if I2C
1114	default y
1115	help
1116	  Enable SC16IS7xx driver on I2C bus,
1117	  If required say y, and say n to i2c if not required,
1118	  Enabled by default to support oldconfig.
1119	  You must select at least one bus for the driver to be built.
1120
1121config SERIAL_SC16IS7XX_SPI
1122	bool "SC16IS7xx for spi interface"
1123	depends on SERIAL_SC16IS7XX
1124	depends on SPI_MASTER
1125	select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX
1126	select REGMAP_SPI if SPI_MASTER
1127	help
1128	  Enable SC16IS7xx driver on SPI bus,
1129	  If required say y, and say n to spi if not required,
1130	  This is additional support to existing driver.
1131	  You must select at least one bus for the driver to be built.
1132
1133config SERIAL_TIMBERDALE
1134	tristate "Support for timberdale UART"
1135	select SERIAL_CORE
1136	depends on X86_32 || COMPILE_TEST
1137	help
1138	Add support for UART controller on timberdale.
1139
1140config SERIAL_BCM63XX
1141	tristate "Broadcom BCM63xx/BCM33xx UART support"
1142	select SERIAL_CORE
1143	depends on MIPS || ARM || COMPILE_TEST
1144	help
1145	  This enables the driver for the onchip UART core found on
1146	  the following chipsets:
1147
1148	    BCM33xx (cable modem)
1149	    BCM63xx/BCM63xxx (DSL)
1150	    BCM68xx (PON)
1151	    BCM7xxx (STB) - DOCSIS console
1152
1153config SERIAL_BCM63XX_CONSOLE
1154	bool "Console on BCM63xx serial port"
1155	depends on SERIAL_BCM63XX=y
1156	select SERIAL_CORE_CONSOLE
1157	select SERIAL_EARLYCON
1158	help
1159	  If you have enabled the serial port on the BCM63xx CPU
1160	  you can make it the console by answering Y to this option.
1161
1162config SERIAL_GRLIB_GAISLER_APBUART
1163	tristate "GRLIB APBUART serial support"
1164	depends on OF && SPARC
1165	select SERIAL_CORE
1166	help
1167	Add support for the GRLIB APBUART serial port.
1168
1169config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE
1170	bool "Console on GRLIB APBUART serial port"
1171	depends on SERIAL_GRLIB_GAISLER_APBUART=y
1172	select SERIAL_CORE_CONSOLE
1173	help
1174	Support for running a console on the GRLIB APBUART
1175
1176config SERIAL_ALTERA_JTAGUART
1177	tristate "Altera JTAG UART support"
1178	select SERIAL_CORE
1179	help
1180	  This driver supports the Altera JTAG UART port.
1181
1182config SERIAL_ALTERA_JTAGUART_CONSOLE
1183	bool "Altera JTAG UART console support"
1184	depends on SERIAL_ALTERA_JTAGUART=y
1185	select SERIAL_CORE_CONSOLE
1186	select SERIAL_EARLYCON
1187	help
1188	  Enable a Altera JTAG UART port to be the system console.
1189
1190config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS
1191	bool "Bypass output when no connection"
1192	depends on SERIAL_ALTERA_JTAGUART_CONSOLE
1193	select SERIAL_CORE_CONSOLE
1194	help
1195	  Bypass console output and keep going even if there is no
1196	  JTAG terminal connection with the host.
1197
1198config SERIAL_ALTERA_UART
1199	tristate "Altera UART support"
1200	select SERIAL_CORE
1201	help
1202	  This driver supports the Altera softcore UART port.
1203
1204config SERIAL_ALTERA_UART_MAXPORTS
1205	int "Maximum number of Altera UART ports"
1206	depends on SERIAL_ALTERA_UART
1207	default 4
1208	help
1209	  This setting lets you define the maximum number of the Altera
1210	  UART ports. The usual default varies from board to board, and
1211	  this setting is a way of catering for that.
1212
1213config SERIAL_ALTERA_UART_BAUDRATE
1214	int "Default baudrate for Altera UART ports"
1215	depends on SERIAL_ALTERA_UART
1216	default 115200
1217	help
1218	  This setting lets you define what the default baudrate is for the
1219	  Altera UART ports. The usual default varies from board to board,
1220	  and this setting is a way of catering for that.
1221
1222config SERIAL_ALTERA_UART_CONSOLE
1223	bool "Altera UART console support"
1224	depends on SERIAL_ALTERA_UART=y
1225	select SERIAL_CORE_CONSOLE
1226	select SERIAL_EARLYCON
1227	help
1228	  Enable a Altera UART port to be the system console.
1229
1230config SERIAL_IFX6X60
1231	tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)"
1232	depends on GPIOLIB || COMPILE_TEST
1233	depends on SPI && HAS_DMA
1234	help
1235	  Support for the IFX6x60 modem devices on Intel MID platforms.
1236
1237config SERIAL_PCH_UART
1238	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART"
1239	depends on PCI && (X86_32 || MIPS ||  COMPILE_TEST)
1240	select SERIAL_CORE
1241	help
1242	  This driver is for PCH(Platform controller Hub) UART of Intel EG20T
1243	  which is an IOH(Input/Output Hub) for x86 embedded processor.
1244	  Enabling PCH_DMA, this PCH UART works as DMA mode.
1245
1246	  This driver also can be used for LAPIS Semiconductor IOH(Input/
1247	  Output Hub), ML7213, ML7223 and ML7831.
1248	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
1249	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
1250	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1251	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
1252
1253config SERIAL_PCH_UART_CONSOLE
1254	bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH"
1255	depends on SERIAL_PCH_UART=y
1256	select SERIAL_CORE_CONSOLE
1257	help
1258	  Say Y here if you wish to use the PCH UART as the system console
1259	  (the system  console is the device which receives all kernel messages and
1260	  warnings and which allows logins in single user mode).
1261
1262config SERIAL_MXS_AUART
1263	tristate "MXS AUART support"
1264	depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST
1265	select SERIAL_CORE
1266	select SERIAL_MCTRL_GPIO if GPIOLIB
1267	help
1268	  This driver supports the MXS and Alphascale ASM9260 Application
1269	  UART (AUART) port.
1270
1271config SERIAL_MXS_AUART_CONSOLE
1272	bool "MXS AUART console support"
1273	depends on SERIAL_MXS_AUART=y
1274	select SERIAL_CORE_CONSOLE
1275	help
1276	  Enable a MXS AUART port to be the system console.
1277
1278config SERIAL_XILINX_PS_UART
1279	tristate "Cadence (Xilinx Zynq) UART support"
1280	depends on OF
1281	select SERIAL_CORE
1282	help
1283	  This driver supports the Cadence UART. It is found e.g. in Xilinx
1284	  Zynq.
1285
1286config SERIAL_XILINX_PS_UART_CONSOLE
1287	bool "Cadence UART console support"
1288	depends on SERIAL_XILINX_PS_UART=y
1289	select SERIAL_CORE_CONSOLE
1290	select SERIAL_EARLYCON
1291	help
1292	  Enable a Cadence UART port to be the system console.
1293
1294config SERIAL_AR933X
1295	tristate "AR933X serial port support"
1296	depends on HAVE_CLK && ATH79
1297	select SERIAL_CORE
1298	select SERIAL_MCTRL_GPIO if GPIOLIB
1299	help
1300	  If you have an Atheros AR933X SOC based board and want to use the
1301	  built-in UART of the SoC, say Y to this option.
1302
1303	  To compile this driver as a module, choose M here: the
1304	  module will be called ar933x_uart.
1305
1306config SERIAL_AR933X_CONSOLE
1307	bool "Console on AR933X serial port"
1308	depends on SERIAL_AR933X=y
1309	select SERIAL_CORE_CONSOLE
1310	help
1311	  Enable a built-in UART port of the AR933X to be the system console.
1312
1313config SERIAL_AR933X_NR_UARTS
1314	int "Maximum number of AR933X serial ports"
1315	depends on SERIAL_AR933X
1316	default "2"
1317	help
1318	  Set this to the number of serial ports you want the driver
1319	  to support.
1320
1321config SERIAL_EFM32_UART
1322	tristate "EFM32 UART/USART port"
1323	depends on ARM && (ARCH_EFM32 || COMPILE_TEST)
1324	select SERIAL_CORE
1325	help
1326	  This driver support the USART and UART ports on
1327	  Energy Micro's efm32 SoCs.
1328
1329config SERIAL_MPS2_UART_CONSOLE
1330	bool "MPS2 UART console support"
1331	depends on SERIAL_MPS2_UART
1332	select SERIAL_CORE_CONSOLE
1333	select SERIAL_EARLYCON
1334
1335config SERIAL_MPS2_UART
1336	bool "MPS2 UART port"
1337	depends on ARCH_MPS2 || COMPILE_TEST
1338	select SERIAL_CORE
1339	help
1340	  This driver support the UART ports on ARM MPS2.
1341
1342config SERIAL_EFM32_UART_CONSOLE
1343	bool "EFM32 UART/USART console support"
1344	depends on SERIAL_EFM32_UART=y
1345	select SERIAL_CORE_CONSOLE
1346
1347config SERIAL_ARC
1348	tristate "ARC UART driver support"
1349	select SERIAL_CORE
1350	help
1351	  Driver for on-chip UART for ARC(Synopsys) for the legacy
1352	  FPGA Boards (ML50x/ARCAngel4)
1353
1354config SERIAL_ARC_CONSOLE
1355	bool "Console on ARC UART"
1356	depends on SERIAL_ARC=y
1357	select SERIAL_CORE_CONSOLE
1358	select SERIAL_EARLYCON
1359	help
1360	  Enable system Console on ARC UART
1361
1362config SERIAL_ARC_NR_PORTS
1363	int "Number of ARC UART ports"
1364	depends on SERIAL_ARC
1365	range 1 3
1366	default "1"
1367	help
1368	  Set this to the number of serial ports you want the driver
1369	  to support.
1370
1371config SERIAL_RP2
1372	tristate "Comtrol RocketPort EXPRESS/INFINITY support"
1373	depends on PCI
1374	select SERIAL_CORE
1375	help
1376	  This driver supports the Comtrol RocketPort EXPRESS and
1377	  RocketPort INFINITY families of PCI/PCIe multiport serial adapters.
1378	  These adapters use a "RocketPort 2" ASIC that is not compatible
1379	  with the original RocketPort driver (CONFIG_ROCKETPORT).
1380
1381	  To compile this driver as a module, choose M here: the
1382	  module will be called rp2.
1383
1384	  If you want to compile this driver into the kernel, say Y here.  If
1385	  you don't have a suitable RocketPort card installed, say N.
1386
1387config SERIAL_RP2_NR_UARTS
1388	int "Maximum number of RocketPort EXPRESS/INFINITY ports"
1389	depends on SERIAL_RP2
1390	default "32"
1391	help
1392	  If multiple cards are present, the default limit of 32 ports may
1393	  need to be increased.
1394
1395config SERIAL_FSL_LPUART
1396	tristate "Freescale lpuart serial port support"
1397	depends on HAS_DMA
1398	select SERIAL_CORE
1399	help
1400	  Support for the on-chip lpuart on some Freescale SOCs.
1401
1402config SERIAL_FSL_LPUART_CONSOLE
1403	bool "Console on Freescale lpuart serial port"
1404	depends on SERIAL_FSL_LPUART=y
1405	select SERIAL_CORE_CONSOLE
1406	select SERIAL_EARLYCON
1407	help
1408	  If you have enabled the lpuart serial port on the Freescale SoCs,
1409	  you can make it the console by answering Y to this option.
1410
1411config SERIAL_FSL_LINFLEXUART
1412	tristate "Freescale LINFlexD UART serial port support"
1413	depends on PRINTK
1414	select SERIAL_CORE
1415	help
1416	  Support for the on-chip LINFlexD UART on some Freescale SOCs.
1417
1418config SERIAL_FSL_LINFLEXUART_CONSOLE
1419	bool "Console on Freescale LINFlexD UART serial port"
1420	depends on SERIAL_FSL_LINFLEXUART=y
1421	select SERIAL_CORE_CONSOLE
1422	select SERIAL_EARLYCON
1423	help
1424	  If you have enabled the LINFlexD UART serial port on the Freescale
1425	  SoCs, you can make it the console by answering Y to this option.
1426
1427config SERIAL_CONEXANT_DIGICOLOR
1428	tristate "Conexant Digicolor CX92xxx USART serial port support"
1429	depends on OF
1430	select SERIAL_CORE
1431	help
1432	  Support for the on-chip USART on Conexant Digicolor SoCs.
1433
1434config SERIAL_CONEXANT_DIGICOLOR_CONSOLE
1435	bool "Console on Conexant Digicolor serial port"
1436	depends on SERIAL_CONEXANT_DIGICOLOR=y
1437	select SERIAL_CORE_CONSOLE
1438	help
1439	  If you have enabled the USART serial port on Conexant Digicolor
1440	  SoCs, you can make it the console by answering Y to this option.
1441
1442config SERIAL_ST_ASC
1443	tristate "ST ASC serial port support"
1444	select SERIAL_CORE
1445	depends on ARM || COMPILE_TEST
1446	help
1447	  This driver is for the on-chip Asychronous Serial Controller on
1448	  STMicroelectronics STi SoCs.
1449	  ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality.
1450	  It support all industry standard baud rates.
1451
1452	  If unsure, say N.
1453
1454config SERIAL_ST_ASC_CONSOLE
1455	bool "Support for console on ST ASC"
1456	depends on SERIAL_ST_ASC=y
1457	select SERIAL_CORE_CONSOLE
1458
1459config SERIAL_MEN_Z135
1460	tristate "MEN 16z135 Support"
1461	select SERIAL_CORE
1462	depends on MCB
1463	help
1464	  Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core
1465	  on a MCB carrier.
1466
1467	  This driver can also be build as a module. If so, the module will be called
1468	  men_z135_uart.ko
1469
1470config SERIAL_SPRD
1471	tristate "Support for Spreadtrum serial"
1472	select SERIAL_CORE
1473	depends on COMMON_CLK
1474	help
1475	  This enables the driver for the Spreadtrum's serial.
1476
1477config SERIAL_SPRD_CONSOLE
1478	bool "Spreadtrum UART console support"
1479	depends on SERIAL_SPRD=y
1480	select SERIAL_CORE_CONSOLE
1481	select SERIAL_EARLYCON
1482	help
1483	  Support for early debug console using Spreadtrum's serial. This enables
1484	  the console before standard serial driver is probed. This is enabled
1485	  with "earlycon" on the kernel command line. The console is
1486	  enabled when early_param is processed.
1487
1488config SERIAL_STM32
1489	tristate "STMicroelectronics STM32 serial port support"
1490	select SERIAL_CORE
1491	depends on ARCH_STM32 || COMPILE_TEST
1492	select SERIAL_MCTRL_GPIO if GPIOLIB
1493	help
1494	  This driver is for the on-chip Serial Controller on
1495	  STMicroelectronics STM32 MCUs.
1496	  USART supports Rx & Tx functionality.
1497	  It support all industry standard baud rates.
1498
1499	  If unsure, say N.
1500
1501config SERIAL_STM32_CONSOLE
1502	bool "Support for console on STM32"
1503	depends on SERIAL_STM32=y
1504	select SERIAL_CORE_CONSOLE
1505
1506config SERIAL_MVEBU_UART
1507	bool "Marvell EBU serial port support"
1508	depends on ARCH_MVEBU || COMPILE_TEST
1509	select SERIAL_CORE
1510	help
1511	  This driver is for Marvell EBU SoC's UART. If you have a machine
1512	  based on the Armada-3700 SoC and wish to use the on-board serial
1513	  port,
1514	  say 'Y' here.
1515	  Otherwise, say 'N'.
1516
1517config SERIAL_MVEBU_CONSOLE
1518	bool "Console on Marvell EBU serial port"
1519	depends on SERIAL_MVEBU_UART
1520	select SERIAL_CORE_CONSOLE
1521	select SERIAL_EARLYCON
1522	default y
1523	help
1524	  Say 'Y' here if you wish to use Armada-3700 UART as the system console.
1525	  (the system console is the device which receives all kernel messages
1526	  and warnings and which allows logins in single user mode)
1527	  Otherwise, say 'N'.
1528
1529config SERIAL_OWL
1530	tristate "Actions Semi Owl serial port support"
1531	depends on ARCH_ACTIONS || COMPILE_TEST
1532	select SERIAL_CORE
1533	help
1534	  This driver is for Actions Semiconductor S500/S900 SoC's UART.
1535	  Say 'Y' here if you wish to use the on-board serial port.
1536	  Otherwise, say 'N'.
1537
1538config SERIAL_OWL_CONSOLE
1539	bool "Console on Actions Semi Owl serial port"
1540	depends on SERIAL_OWL=y
1541	select SERIAL_CORE_CONSOLE
1542	select SERIAL_EARLYCON
1543	default y
1544	help
1545	  Say 'Y' here if you wish to use Actions Semiconductor S500/S900 UART
1546	  as the system console.
1547
1548config SERIAL_RDA
1549	bool "RDA Micro serial port support"
1550	depends on ARCH_RDA || COMPILE_TEST
1551	select SERIAL_CORE
1552	help
1553	  This driver is for RDA8810PL SoC's UART.
1554	  Say 'Y' here if you wish to use the on-board serial port.
1555	  Otherwise, say 'N'.
1556
1557config SERIAL_RDA_CONSOLE
1558	bool "Console on RDA Micro serial port"
1559	depends on SERIAL_RDA=y
1560	select SERIAL_CORE_CONSOLE
1561	select SERIAL_EARLYCON
1562	default y
1563	help
1564	  Say 'Y' here if you wish to use the RDA8810PL UART as the system
1565	  console. Only earlycon is implemented currently.
1566
1567config SERIAL_MILBEAUT_USIO
1568	tristate "Milbeaut USIO/UART serial port support"
1569	depends on ARCH_MILBEAUT || (COMPILE_TEST && OF)
1570	default ARCH_MILBEAUT
1571	select SERIAL_CORE
1572	help
1573	  This selects the USIO/UART IP found in Socionext Milbeaut SoCs.
1574
1575config SERIAL_MILBEAUT_USIO_PORTS
1576	int "Maximum number of CSIO/UART ports (1-8)"
1577	range 1 8
1578	depends on SERIAL_MILBEAUT_USIO
1579	default "4"
1580
1581config SERIAL_MILBEAUT_USIO_CONSOLE
1582	bool "Support for console on MILBEAUT USIO/UART serial port"
1583	depends on SERIAL_MILBEAUT_USIO=y
1584	default y
1585	select SERIAL_CORE_CONSOLE
1586	select SERIAL_EARLYCON
1587	help
1588	  Say 'Y' here if you wish to use a USIO/UART of Socionext Milbeaut
1589	  SoCs as the system console (the system console is the device which
1590	  receives all kernel messages and warnings and which allows logins in
1591	  single user mode).
1592
1593endmenu
1594
1595config SERIAL_MCTRL_GPIO
1596	tristate
1597