1# SPDX-License-Identifier: GPL-2.0
   2#
   3# Serial device configuration
   4#
   5
   6if TTY
   7
   8menu "Serial drivers"
   9	depends on HAS_IOMEM
  10
  11config SERIAL_EARLYCON
  12	bool
 
  13	help
  14	  Support for early consoles with the earlycon parameter. This enables
  15	  the console before standard serial driver is probed. The console is
  16	  enabled when early_param is processed.
  17
  18source "drivers/tty/serial/8250/Kconfig"
  19
  20comment "Non-8250 serial port support"
  21
  22config SERIAL_AMBA_PL010
  23	tristate "ARM AMBA PL010 serial port support"
  24	depends on ARM_AMBA
  25	select SERIAL_CORE
  26	help
  27	  This selects the ARM(R) AMBA(R) PrimeCell PL010 UART.  If you have
  28	  an Integrator/AP or Integrator/PP2 platform, or if you have a
  29	  Cirrus Logic EP93xx CPU, say Y or M here.
  30
  31	  If unsure, say N.
  32
  33config SERIAL_AMBA_PL010_CONSOLE
  34	bool "Support for console on AMBA serial port"
  35	depends on SERIAL_AMBA_PL010=y
  36	select SERIAL_CORE_CONSOLE
  37	---help---
  38	  Say Y here if you wish to use an AMBA PrimeCell UART as the system
  39	  console (the system console is the device which receives all kernel
  40	  messages and warnings and which allows logins in single user mode).
  41
  42	  Even if you say Y here, the currently visible framebuffer console
  43	  (/dev/tty0) will still be used as the system console by default, but
  44	  you can alter that using a kernel command line option such as
  45	  "console=ttyAM0". (Try "man bootparam" or see the documentation of
  46	  your boot loader (lilo or loadlin) about how to pass options to the
  47	  kernel at boot time.)
  48
  49config SERIAL_AMBA_PL011
  50	tristate "ARM AMBA PL011 serial port support"
  51	depends on ARM_AMBA
  52	select SERIAL_CORE
  53	help
  54	  This selects the ARM(R) AMBA(R) PrimeCell PL011 UART.  If you have
  55	  an Integrator/PP2, Integrator/CP or Versatile platform, say Y or M
  56	  here.
  57
  58	  If unsure, say N.
  59
  60config SERIAL_AMBA_PL011_CONSOLE
  61	bool "Support for console on AMBA serial port"
  62	depends on SERIAL_AMBA_PL011=y
  63	select SERIAL_CORE_CONSOLE
  64	select SERIAL_EARLYCON
  65	---help---
  66	  Say Y here if you wish to use an AMBA PrimeCell UART as the system
  67	  console (the system console is the device which receives all kernel
  68	  messages and warnings and which allows logins in single user mode).
  69
  70	  Even if you say Y here, the currently visible framebuffer console
  71	  (/dev/tty0) will still be used as the system console by default, but
  72	  you can alter that using a kernel command line option such as
  73	  "console=ttyAMA0". (Try "man bootparam" or see the documentation of
  74	  your boot loader (lilo or loadlin) about how to pass options to the
  75	  kernel at boot time.)
  76
  77config SERIAL_EARLYCON_ARM_SEMIHOST
  78	bool "Early console using ARM semihosting"
  79	depends on ARM64 || ARM
  80	select SERIAL_CORE
  81	select SERIAL_CORE_CONSOLE
  82	select SERIAL_EARLYCON
  83	help
  84	  Support for early debug console using ARM semihosting. This enables
  85	  the console before standard serial driver is probed. This is enabled
  86	  with "earlycon=smh" on the kernel command line. The console is
  87	  enabled when early_param is processed.
  88
  89config SERIAL_EARLYCON_RISCV_SBI
  90	bool "Early console using RISC-V SBI"
  91	depends on RISCV
  92	select SERIAL_CORE
  93	select SERIAL_CORE_CONSOLE
  94	select SERIAL_EARLYCON
  95	help
  96	  Support for early debug console using RISC-V SBI. This enables
  97	  the console before standard serial driver is probed. This is enabled
  98	  with "earlycon=sbi" on the kernel command line. The console is
  99	  enabled when early_param is processed.
 100
 101config SERIAL_SB1250_DUART
 102	tristate "BCM1xxx on-chip DUART serial support"
 103	depends on SIBYTE_SB1xxx_SOC=y
 104	select SERIAL_CORE
 105	default y
 106	---help---
 107	  Support for the asynchronous serial interface (DUART) included in
 108	  the BCM1250 and derived System-On-a-Chip (SOC) devices.  Note that
 109	  the letter D in DUART stands for "dual", which is how the device
 110	  is implemented.  Depending on the SOC configuration there may be
 111	  one or more DUARTs available of which all are handled.
 112
 113	  If unsure, say Y.  To compile this driver as a module, choose M here:
 114	  the module will be called sb1250-duart.
 115
 116config SERIAL_SB1250_DUART_CONSOLE
 117	bool "Support for console on a BCM1xxx DUART serial port"
 118	depends on SERIAL_SB1250_DUART=y
 119	select SERIAL_CORE_CONSOLE
 120	default y
 121	---help---
 122	  If you say Y here, it will be possible to use a serial port as the
 123	  system console (the system console is the device which receives all
 124	  kernel messages and warnings and which allows logins in single user
 125	  mode).
 126
 127	  If unsure, say Y.
 128
 129config SERIAL_ATMEL
 130	bool "AT91 on-chip serial port support"
 131	depends on ARCH_AT91 || COMPILE_TEST
 132	select SERIAL_CORE
 133	select SERIAL_MCTRL_GPIO if GPIOLIB
 134	select MFD_AT91_USART
 135	help
 136	  This enables the driver for the on-chip UARTs of the Atmel
 137	  AT91 processors.
 138
 139config SERIAL_ATMEL_CONSOLE
 140	bool "Support for console on AT91 serial port"
 141	depends on SERIAL_ATMEL=y
 142	select SERIAL_CORE_CONSOLE
 143	help
 144	  Say Y here if you wish to use an on-chip UART on a Atmel
 145	  AT91 processor as the system console (the system
 146	  console is the device which receives all kernel messages and
 147	  warnings and which allows logins in single user mode).
 148
 149config SERIAL_ATMEL_PDC
 150	bool "Support DMA transfers on AT91 serial port"
 151	depends on SERIAL_ATMEL
 152	default y
 153	help
 154	  Say Y here if you wish to use the PDC to do DMA transfers to
 155	  and from the Atmel AT91 serial port. In order to
 156	  actually use DMA transfers, make sure that the use_dma_tx
 157	  and use_dma_rx members in the atmel_uart_data struct is set
 158	  appropriately for each port.
 159
 160	  Note that break and error handling currently doesn't work
 161	  properly when DMA is enabled. Make sure that ports where
 162	  this matters don't use DMA.
 163
 164config SERIAL_ATMEL_TTYAT
 165	bool "Install as device ttyATn instead of ttySn"
 166	depends on SERIAL_ATMEL=y
 167	help
 168	  Say Y here if you wish to have the internal AT91 UARTs
 169	  appear as /dev/ttyATn (major 204, minor starting at 154)
 170	  instead of the normal /dev/ttySn (major 4, minor starting at
 171	  64). This is necessary if you also want other UARTs, such as
 172	  external 8250/16C550 compatible UARTs.
 173	  The ttySn nodes are legally reserved for the 8250 serial driver
 174	  but are often misused by other serial drivers.
 175
 176	  To use this, you should create suitable ttyATn device nodes in
 177	  /dev/, and pass "console=ttyATn" to the kernel.
 178
 179	  Say Y if you have an external 8250/16C550 UART.  If unsure, say N.
 180
 181config SERIAL_KGDB_NMI
 182	bool "Serial console over KGDB NMI debugger port"
 183	depends on KGDB_SERIAL_CONSOLE
 184	help
 185	  This special driver allows you to temporary use NMI debugger port
 186	  as a normal console (assuming that the port is attached to KGDB).
 187
 188	  Unlike KDB's disable_nmi command, with this driver you are always
 189	  able to go back to the debugger using KGDB escape sequence ($3#33).
 190	  This is because this console driver processes the input in NMI
 191	  context, and thus is able to intercept the magic sequence.
 192
 193	  Note that since the console interprets input and uses polling
 194	  communication methods, for things like PPP you still must fully
 195	  detach debugger port from the KGDB NMI (i.e. disable_nmi), and
 196	  use raw console.
 197
 198	  If unsure, say N.
 199
 200config SERIAL_MESON
 201	tristate "Meson serial port support"
 202	depends on ARCH_MESON
 203	select SERIAL_CORE
 204	help
 205	  This enables the driver for the on-chip UARTs of the Amlogic
 206	  MesonX processors.
 207
 208config SERIAL_MESON_CONSOLE
 209	bool "Support for console on meson"
 210	depends on SERIAL_MESON=y
 211	select SERIAL_CORE_CONSOLE
 212	select SERIAL_EARLYCON
 213	help
 214	  Say Y here if you wish to use a Amlogic MesonX UART as the
 215	  system console (the system console is the device which
 216	  receives all kernel messages and warnings and which allows
 217	  logins in single user mode) as /dev/ttyAMLx.
 218
 219config SERIAL_CLPS711X
 220	tristate "CLPS711X serial port support"
 221	depends on ARCH_CLPS711X || COMPILE_TEST
 222	select SERIAL_CORE
 223	select SERIAL_MCTRL_GPIO if GPIOLIB
 224	help
 225	  This enables the driver for the on-chip UARTs of the Cirrus
 226	  Logic EP711x/EP721x/EP731x processors.
 227
 228config SERIAL_CLPS711X_CONSOLE
 229	bool "Support for console on CLPS711X serial port"
 230	depends on SERIAL_CLPS711X=y
 231	select SERIAL_CORE_CONSOLE
 232	help
 233	  Even if you say Y here, the currently visible virtual console
 234	  (/dev/tty0) will still be used as the system console by default, but
 235	  you can alter that using a kernel command line option such as
 236	  "console=ttyCL1".
 237
 238config SERIAL_SAMSUNG
 239	tristate "Samsung SoC serial support"
 240	depends on PLAT_SAMSUNG || ARCH_EXYNOS
 241	select SERIAL_CORE
 242	help
 243	  Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
 244	  providing /dev/ttySAC0, 1 and 2 (note, some machines may not
 245	  provide all of these ports, depending on how the serial port
 246	  pins are configured.
 247
 248config SERIAL_SAMSUNG_UARTS_4
 249	bool
 250	depends on SERIAL_SAMSUNG
 251	default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442)
 252	help
 253	  Internal node for the common case of 4 Samsung compatible UARTs
 254
 255config SERIAL_SAMSUNG_UARTS
 256	int
 257	depends on SERIAL_SAMSUNG
 258	default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416
 259	default 3
 260	help
 261	  Select the number of available UART ports for the Samsung S3C
 262	  serial driver
 263	
 264config SERIAL_SAMSUNG_DEBUG
 265	bool "Samsung SoC serial debug"
 266	depends on SERIAL_SAMSUNG && DEBUG_LL
 267	help
 268	  Add support for debugging the serial driver. Since this is
 269	  generally being used as a console, we use our own output
 270	  routines that go via the low-level debug printascii()
 271	  function.
 272
 273config SERIAL_SAMSUNG_CONSOLE
 274	bool "Support for console on Samsung SoC serial port"
 275	depends on SERIAL_SAMSUNG=y
 276	select SERIAL_CORE_CONSOLE
 277	select SERIAL_EARLYCON
 278	help
 279	  Allow selection of the S3C24XX on-board serial ports for use as
 280	  an virtual console.
 281
 282	  Even if you say Y here, the currently visible virtual console
 283	  (/dev/tty0) will still be used as the system console by default, but
 284	  you can alter that using a kernel command line option such as
 285	  "console=ttySACx". (Try "man bootparam" or see the documentation of
 286	  your boot loader about how to pass options to the kernel at
 287	  boot time.)
 288
 289config SERIAL_SIRFSOC
 290        tristate "SiRF SoC Platform Serial port support"
 291        depends on ARCH_SIRF
 292        select SERIAL_CORE
 293        help
 294          Support for the on-chip UART on the CSR SiRFprimaII series,
 295          providing /dev/ttySiRF0, 1 and 2 (note, some machines may not
 296          provide all of these ports, depending on how the serial port
 297          pins are configured).
 298
 299config SERIAL_SIRFSOC_CONSOLE
 300        bool "Support for console on SiRF SoC serial port"
 301        depends on SERIAL_SIRFSOC=y
 302        select SERIAL_CORE_CONSOLE
 303        help
 304          Even if you say Y here, the currently visible virtual console
 305          (/dev/tty0) will still be used as the system console by default, but
 306          you can alter that using a kernel command line option such as
 307          "console=ttySiRFx". (Try "man bootparam" or see the documentation of
 308          your boot loader about how to pass options to the kernel at
 309          boot time.)
 310
 311config SERIAL_TEGRA
 312	tristate "NVIDIA Tegra20/30 SoC serial controller"
 313	depends on ARCH_TEGRA && TEGRA20_APB_DMA
 314	select SERIAL_CORE
 315	help
 316	  Support for the on-chip UARTs on the NVIDIA Tegra series SOCs
 317	  providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not
 318	  provide all of these ports, depending on how the serial port
 319	  are enabled). This driver uses the APB DMA to achieve higher baudrate
 320	  and better performance.
 321
 322config SERIAL_TEGRA_TCU
 323	tristate "NVIDIA Tegra Combined UART"
 324	depends on ARCH_TEGRA && TEGRA_HSP_MBOX
 
 325	select SERIAL_CORE
 326	help
 327	  Support for the mailbox-based TCU (Tegra Combined UART) serial port.
 328	  TCU is a virtual serial port that allows multiplexing multiple data
 329	  streams into a single hardware serial port.
 330
 331config SERIAL_TEGRA_TCU_CONSOLE
 332	bool "Support for console on a Tegra TCU serial port"
 333	depends on SERIAL_TEGRA_TCU=y
 334	select SERIAL_CORE_CONSOLE
 335	default y
 336	---help---
 337	  If you say Y here, it will be possible to use a the Tegra TCU as the
 338	  system console (the system console is the device which receives all
 339	  kernel messages and warnings and which allows logins in single user
 340	  mode).
 341
 342	  If unsure, say Y.
 343
 344config SERIAL_MAX3100
 345	tristate "MAX3100 support"
 346	depends on SPI
 347	select SERIAL_CORE
 348	help
 349	  MAX3100 chip support
 350
 351config SERIAL_MAX310X
 352	tristate "MAX310X support"
 353	depends on SPI_MASTER
 354	select SERIAL_CORE
 355	select REGMAP_SPI if SPI_MASTER
 356	help
 357	  This selects support for an advanced UART from Maxim (Dallas).
 358	  Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830.
 359	  Each IC contains 128 words each of receive and transmit FIFO
 360	  that can be controlled through I2C or high-speed SPI.
 361
 362	  Say Y here if you want to support this ICs.
 363
 364config SERIAL_DZ
 365	bool "DECstation DZ serial driver"
 366	depends on MACH_DECSTATION && 32BIT
 367	select SERIAL_CORE
 368	default y
 369	---help---
 370	  DZ11-family serial controllers for DECstations and VAXstations,
 371	  including the DC7085, M7814, and M7819.
 372
 373config SERIAL_DZ_CONSOLE
 374	bool "Support console on DECstation DZ serial driver"
 375	depends on SERIAL_DZ=y
 376	select SERIAL_CORE_CONSOLE
 377	default y
 378	---help---
 379	  If you say Y here, it will be possible to use a serial port as the
 380	  system console (the system console is the device which receives all
 381	  kernel messages and warnings and which allows logins in single user
 382	  mode).
 383
 384	  Note that the firmware uses ttyS3 as the serial console on
 385	  DECstations that use this driver.
 386
 387	  If unsure, say Y.
 388
 389config SERIAL_ZS
 390	tristate "DECstation Z85C30 serial support"
 391	depends on MACH_DECSTATION
 392	select SERIAL_CORE
 393	default y
 394	---help---
 395	  Support for the Zilog 85C350 serial communications controller used
 396	  for serial ports in newer DECstation systems.  These include the
 397	  DECsystem 5900 and all models of the DECstation and DECsystem 5000
 398	  systems except from model 200.
 399
 400	  If unsure, say Y.  To compile this driver as a module, choose M here:
 401	  the module will be called zs.
 402
 403config SERIAL_ZS_CONSOLE
 404	bool "Support for console on a DECstation Z85C30 serial port"
 405	depends on SERIAL_ZS=y
 406	select SERIAL_CORE_CONSOLE
 407	default y
 408	---help---
 409	  If you say Y here, it will be possible to use a serial port as the
 410	  system console (the system console is the device which receives all
 411	  kernel messages and warnings and which allows logins in single user
 412	  mode).
 413
 414	  Note that the firmware uses ttyS1 as the serial console on the
 415	  Maxine and ttyS3 on the others using this driver.
 416
 417	  If unsure, say Y.
 418
 419config SERIAL_21285
 420	tristate "DC21285 serial port support"
 421	depends on FOOTBRIDGE
 422	select SERIAL_CORE
 423	help
 424	  If you have a machine based on a 21285 (Footbridge) StrongARM(R)/
 425	  PCI bridge you can enable its onboard serial port by enabling this
 426	  option.
 427
 428config SERIAL_21285_CONSOLE
 429	bool "Console on DC21285 serial port"
 430	depends on SERIAL_21285=y
 431	select SERIAL_CORE_CONSOLE
 432	help
 433	  If you have enabled the serial port on the 21285 footbridge you can
 434	  make it the console by answering Y to this option.
 435
 436	  Even if you say Y here, the currently visible virtual console
 437	  (/dev/tty0) will still be used as the system console by default, but
 438	  you can alter that using a kernel command line option such as
 439	  "console=ttyFB". (Try "man bootparam" or see the documentation of
 440	  your boot loader (lilo or loadlin) about how to pass options to the
 441	  kernel at boot time.)
 442
 443config SERIAL_PXA
 444	bool "PXA serial port support (DEPRECATED)"
 445	depends on ARCH_PXA || ARCH_MMP
 446	select SERIAL_CORE
 447	select SERIAL_8250_PXA if SERIAL_8250=y
 448	select SERIAL_PXA_NON8250 if !SERIAL_8250=y
 449	help
 450	  If you have a machine based on an Intel XScale PXA2xx CPU you
 451	  can enable its onboard serial ports by enabling this option.
 452
 453	  Unless you have a specific need, you should use SERIAL_8250_PXA
 454	  instead of this.
 455
 456config SERIAL_PXA_NON8250
 457	bool
 458	depends on !SERIAL_8250
 459
 460config SERIAL_PXA_CONSOLE
 461	bool "Console on PXA serial port (DEPRECATED)"
 462	depends on SERIAL_PXA
 463	select SERIAL_CORE_CONSOLE
 464	select SERIAL_8250_CONSOLE if SERIAL_8250=y
 465	help
 466	  If you have enabled the serial port on the Intel XScale PXA
 467	  CPU you can make it the console by answering Y to this option.
 468
 469	  Even if you say Y here, the currently visible virtual console
 470	  (/dev/tty0) will still be used as the system console by default, but
 471	  you can alter that using a kernel command line option such as
 472	  "console=ttySA0". (Try "man bootparam" or see the documentation of
 473	  your boot loader (lilo or loadlin) about how to pass options to the
 474	  kernel at boot time.)
 475
 476	  Unless you have a specific need, you should use SERIAL_8250_PXA
 477	  and SERIAL_8250_CONSOLE instead of this.
 478
 479config SERIAL_SA1100
 480	bool "SA1100 serial port support"
 481	depends on ARCH_SA1100
 482	select SERIAL_CORE
 483	select SERIAL_MCTRL_GPIO if GPIOLIB
 484	help
 485	  If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you
 486	  can enable its onboard serial port by enabling this option.
 487	  Please read <file:Documentation/arm/sa1100/serial_uart.rst> for further
 488	  info.
 489
 490config SERIAL_SA1100_CONSOLE
 491	bool "Console on SA1100 serial port"
 492	depends on SERIAL_SA1100
 493	select SERIAL_CORE_CONSOLE
 494	help
 495	  If you have enabled the serial port on the SA1100/SA1110 StrongARM
 496	  CPU you can make it the console by answering Y to this option.
 497
 498	  Even if you say Y here, the currently visible virtual console
 499	  (/dev/tty0) will still be used as the system console by default, but
 500	  you can alter that using a kernel command line option such as
 501	  "console=ttySA0". (Try "man bootparam" or see the documentation of
 502	  your boot loader (lilo or loadlin) about how to pass options to the
 503	  kernel at boot time.)
 504
 505config SERIAL_IMX
 506	tristate "IMX serial port support"
 507	depends on ARCH_MXC || COMPILE_TEST
 508	select SERIAL_CORE
 509	select RATIONAL
 510	select SERIAL_MCTRL_GPIO if GPIOLIB
 511	help
 512	  If you have a machine based on a Motorola IMX CPU you
 513	  can enable its onboard serial port by enabling this option.
 514
 515config SERIAL_IMX_CONSOLE
 516	bool "Console on IMX serial port"
 517	depends on SERIAL_IMX=y
 518	select SERIAL_CORE_CONSOLE
 519	select SERIAL_EARLYCON if OF
 520	help
 521	  If you have enabled the serial port on the Freescale IMX
 522	  CPU you can make it the console by answering Y to this option.
 523
 524	  Even if you say Y here, the currently visible virtual console
 525	  (/dev/tty0) will still be used as the system console by default, but
 526	  you can alter that using a kernel command line option such as
 527	  "console=ttymxc0". (Try "man bootparam" or see the documentation of
 528	  your bootloader about how to pass options to the kernel at boot time.)
 529
 
 
 
 
 
 
 
 
 
 
 
 
 530config SERIAL_UARTLITE
 531	tristate "Xilinx uartlite serial port support"
 532	depends on HAS_IOMEM
 533	select SERIAL_CORE
 534	help
 535	  Say Y here if you want to use the Xilinx uartlite serial controller.
 536
 537	  To compile this driver as a module, choose M here: the
 538	  module will be called uartlite.
 539
 540config SERIAL_UARTLITE_CONSOLE
 541	bool "Support for console on Xilinx uartlite serial port"
 542	depends on SERIAL_UARTLITE=y
 543	select SERIAL_CORE_CONSOLE
 544	select SERIAL_EARLYCON
 545	help
 546	  Say Y here if you wish to use a Xilinx uartlite as the system
 547	  console (the system console is the device which receives all kernel
 548	  messages and warnings and which allows logins in single user mode).
 549
 550config SERIAL_UARTLITE_NR_UARTS
 551	int "Maximum number of uartlite serial ports"
 552	depends on SERIAL_UARTLITE
 553	range 1 256
 554	default 1
 555	help
 556	  Set this to the number of uartlites in your system, or the number
 557	  you think you might implement.
 558
 559config SERIAL_SUNCORE
 560	bool
 561	depends on SPARC
 562	select SERIAL_CORE
 563	select SERIAL_CORE_CONSOLE
 564	default y
 565
 566config SERIAL_SUNZILOG
 567	tristate "Sun Zilog8530 serial support"
 568	depends on SPARC
 569	help
 570	  This driver supports the Zilog8530 serial ports found on many Sparc
 571	  systems.  Say Y or M if you want to be able to these serial ports.
 572
 573config SERIAL_SUNZILOG_CONSOLE
 574	bool "Console on Sun Zilog8530 serial port"
 575	depends on SERIAL_SUNZILOG=y
 576	help
 577	  If you would like to be able to use the Zilog8530 serial port
 578	  on your Sparc system as the console, you can do so by answering
 579	  Y to this option.
 580
 581config SERIAL_SUNSU
 582	tristate "Sun SU serial support"
 583	depends on SPARC && PCI
 584	help
 585	  This driver supports the 8250 serial ports that run the keyboard and
 586	  mouse on (PCI) UltraSPARC systems.  Say Y or M if you want to be able
 587	  to these serial ports.
 588
 589config SERIAL_SUNSU_CONSOLE
 590	bool "Console on Sun SU serial port"
 591	depends on SERIAL_SUNSU=y
 592	help
 593	  If you would like to be able to use the SU serial port
 594	  on your Sparc system as the console, you can do so by answering
 595	  Y to this option.
 596
 597config SERIAL_MUX
 598	tristate "Serial MUX support"
 599	depends on GSC
 600	select SERIAL_CORE
 601	default y
 602	---help---
 603	  Saying Y here will enable the hardware MUX serial driver for
 604	  the Nova, K class systems and D class with a 'remote control card'.
 605	  The hardware MUX is not 8250/16550 compatible therefore the
 606	  /dev/ttyB0 device is shared between the Serial MUX and the PDC
 607	  software console. The following steps need to be completed to use
 608	  the Serial MUX:
 609
 610	    1. create the device entry (mknod /dev/ttyB0 c 11 0)
 611	    2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
 612	    3. Add device ttyB0 to /etc/securetty (if you want to log on as
 613		 root on this console.)
 614	    4. Change the kernel command console parameter to: console=ttyB0
 615
 616config SERIAL_MUX_CONSOLE
 617	bool "Support for console on serial MUX"
 618	depends on SERIAL_MUX=y
 619	select SERIAL_CORE_CONSOLE
 620	default y
 621
 622config PDC_CONSOLE
 623	bool "PDC software console support"
 624	depends on PARISC && !SERIAL_MUX && VT
 625	help
 626	  Saying Y here will enable the software based PDC console to be 
 627	  used as the system console.  This is useful for machines in 
 628	  which the hardware based console has not been written yet.  The
 629	  following steps must be completed to use the PDC console:
 630
 631	    1. create the device entry (mknod /dev/ttyB0 c 11 0)
 632	    2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
 633	    3. Add device ttyB0 to /etc/securetty (if you want to log on as
 634		 root on this console.)
 635	    4. Change the kernel command console parameter to: console=ttyB0
 636
 637config SERIAL_SUNSAB
 638	tristate "Sun Siemens SAB82532 serial support"
 639	depends on SPARC && PCI
 640	help
 641	  This driver supports the Siemens SAB82532 DUSCC serial ports on newer
 642	  (PCI) UltraSPARC systems.  Say Y or M if you want to be able to these
 643	  serial ports.
 644
 645config SERIAL_SUNSAB_CONSOLE
 646	bool "Console on Sun Siemens SAB82532 serial port"
 647	depends on SERIAL_SUNSAB=y
 648	help
 649	  If you would like to be able to use the SAB82532 serial port
 650	  on your Sparc system as the console, you can do so by answering
 651	  Y to this option.
 652
 653config SERIAL_SUNHV
 654	bool "Sun4v Hypervisor Console support"
 655	depends on SPARC64
 656	help
 657	  This driver supports the console device found on SUN4V Sparc
 658	  systems.  Say Y if you want to be able to use this device.
 659
 660config SERIAL_IP22_ZILOG
 661	tristate "SGI Zilog8530 serial support"
 662	depends on SGI_HAS_ZILOG
 663	select SERIAL_CORE
 664	help
 665	  This driver supports the Zilog8530 serial ports found on SGI
 666	  systems.  Say Y or M if you want to be able to these serial ports.
 667
 668config SERIAL_IP22_ZILOG_CONSOLE
 669	bool "Console on SGI Zilog8530 serial port"
 670	depends on SERIAL_IP22_ZILOG=y
 671	select SERIAL_CORE_CONSOLE
 672
 673config SERIAL_SH_SCI
 674	tristate "SuperH SCI(F) serial port support"
 675	depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST
 676	select SERIAL_CORE
 677	select SERIAL_MCTRL_GPIO if GPIOLIB
 678
 679config SERIAL_SH_SCI_NR_UARTS
 680	int "Maximum number of SCI(F) serial ports" if EXPERT
 681	range 1 64 if 64BIT
 682	range 1 32 if !64BIT
 683	depends on SERIAL_SH_SCI
 684	default "3" if H8300
 685	default "10" if SUPERH
 686	default "18" if ARCH_RENESAS
 687	default "2"
 688
 689config SERIAL_SH_SCI_CONSOLE
 690	bool "Support for console on SuperH SCI(F)" if EXPERT
 691	depends on SERIAL_SH_SCI=y
 692	select SERIAL_CORE_CONSOLE
 693	default y
 694
 695config SERIAL_SH_SCI_EARLYCON
 696	bool "Support for early console on SuperH SCI(F)" if EXPERT
 697	depends on SERIAL_SH_SCI=y
 698	select SERIAL_CORE_CONSOLE
 699	select SERIAL_EARLYCON
 700	default ARCH_RENESAS || H8300
 701
 702config SERIAL_SH_SCI_DMA
 703	bool "DMA support" if EXPERT
 704	depends on SERIAL_SH_SCI && DMA_ENGINE
 705	default ARCH_RENESAS
 706
 707config SERIAL_PNX8XXX
 708	bool "Enable PNX8XXX SoCs' UART Support"
 709	depends on SOC_PNX833X
 710	select SERIAL_CORE
 711	help
 712	  If you have a MIPS-based Philips SoC such as PNX8330 and you want
 713	  to use serial ports, say Y.  Otherwise, say N.
 714
 715config SERIAL_PNX8XXX_CONSOLE
 716	bool "Enable PNX8XX0 serial console"
 717	depends on SERIAL_PNX8XXX
 718	select SERIAL_CORE_CONSOLE
 719	help
 720	  If you have a MIPS-based Philips SoC such as PNX8330 and you want
 721	  to use serial console, say Y. Otherwise, say N.
 722
 723config SERIAL_HS_LPC32XX
 724	tristate "LPC32XX high speed serial port support"
 725	depends on ARCH_LPC32XX || COMPILE_TEST
 726	depends on OF
 727	select SERIAL_CORE
 728	help
 729	  Support for the LPC32XX high speed serial ports (up to 900kbps).
 730	  Those are UARTs completely different from the Standard UARTs on the
 731	  LPC32XX SoC.
 732	  Choose M or Y here to build this driver.
 733
 734config SERIAL_HS_LPC32XX_CONSOLE
 735	bool "Enable LPC32XX high speed UART serial console"
 736	depends on SERIAL_HS_LPC32XX=y
 737	select SERIAL_CORE_CONSOLE
 738	help
 739	  If you would like to be able to use one of the high speed serial
 740	  ports on the LPC32XX as the console, you can do so by answering
 741	  Y to this option.
 742
 743config SERIAL_CORE
 744	tristate
 745
 746config SERIAL_CORE_CONSOLE
 747	bool
 748
 749config CONSOLE_POLL
 750	bool
 751
 752config SERIAL_MCF
 753	bool "Coldfire serial support"
 754	depends on COLDFIRE
 755	select SERIAL_CORE
 756	help
 757	  This serial driver supports the Freescale Coldfire serial ports.
 758
 759config SERIAL_MCF_BAUDRATE
 760	int "Default baudrate for Coldfire serial ports"
 761	depends on SERIAL_MCF
 762	default 19200
 763	help
 764	  This setting lets you define what the default baudrate is for the
 765	  ColdFire serial ports. The usual default varies from board to board,
 766	  and this setting is a way of catering for that.
 767
 768config SERIAL_MCF_CONSOLE
 769	bool "Coldfire serial console support"
 770	depends on SERIAL_MCF
 771	select SERIAL_CORE_CONSOLE
 772	help
 773	  Enable a ColdFire internal serial port to be the system console.
 774
 775config SERIAL_PMACZILOG
 776	tristate "Mac or PowerMac z85c30 ESCC support"
 777	depends on (M68K && MAC) || PPC_PMAC
 778	select SERIAL_CORE
 779	help
 780	  This driver supports the Zilog z85C30 serial ports found on
 781	  (Power)Mac machines.
 782	  Say Y or M if you want to be able to these serial ports.
 783
 784config SERIAL_PMACZILOG_TTYS
 785	bool "Use ttySn device nodes for Zilog z85c30"
 786	depends on SERIAL_PMACZILOG
 787	help
 788	  The pmac_zilog driver for the z85C30 chip on many powermacs
 789	  historically used the device numbers for /dev/ttySn.  The
 790	  8250 serial port driver also uses these numbers, which means
 791	  the two drivers being unable to coexist; you could not use
 792	  both z85C30 and 8250 type ports at the same time.
 793
 794	  If this option is not selected, the pmac_zilog driver will
 795	  use the device numbers allocated for /dev/ttyPZn.  This allows
 796	  the pmac_zilog and 8250 drivers to co-exist, but may cause
 797	  existing userspace setups to break.  Programs that need to
 798	  access the built-in serial ports on powermacs will need to
 799	  be reconfigured to use /dev/ttyPZn instead of /dev/ttySn.
 800
 801	  If you enable this option, any z85c30 ports in the system will
 802	  be registered as ttyS0 onwards as in the past, and you will be
 803	  unable to use the 8250 module for PCMCIA or other 16C550-style
 804	  UARTs.
 805
 806	  Say N unless you need the z85c30 ports on your (Power)Mac
 807	  to appear as /dev/ttySn.
 808
 809config SERIAL_PMACZILOG_CONSOLE
 810	bool "Console on Mac or PowerMac z85c30 serial port"
 811	depends on SERIAL_PMACZILOG=y
 812	select SERIAL_CORE_CONSOLE
 813	help
 814	  If you would like to be able to use the z85c30 serial port
 815	  on your (Power)Mac as the console, you can do so by answering
 816	  Y to this option.
 817
 818config SERIAL_CPM
 819	tristate "CPM SCC/SMC serial port support"
 820	depends on CPM2 || CPM1
 821	select SERIAL_CORE
 822	help
 823	  This driver supports the SCC and SMC serial ports on Motorola 
 824	  embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx)
 825
 826config SERIAL_CPM_CONSOLE
 827	bool "Support for console on CPM SCC/SMC serial port"
 828	depends on SERIAL_CPM=y
 829	select SERIAL_CORE_CONSOLE
 830	help
 831	  Say Y here if you wish to use a SCC or SMC CPM UART as the system
 832	  console (the system console is the device which receives all kernel
 833	  messages and warnings and which allows logins in single user mode).
 834
 835	  Even if you say Y here, the currently visible framebuffer console
 836	  (/dev/tty0) will still be used as the system console by default, but
 837	  you can alter that using a kernel command line option such as
 838	  "console=ttyCPM0". (Try "man bootparam" or see the documentation of
 839	  your boot loader (lilo or loadlin) about how to pass options to the
 840	  kernel at boot time.)
 841
 842config SERIAL_PIC32
 843	tristate "Microchip PIC32 serial support"
 844	depends on MACH_PIC32
 845	select SERIAL_CORE
 846	help
 847	  If you have a PIC32, this driver supports the serial ports.
 848
 849	  Say Y or M to use PIC32 serial ports, otherwise say N. Note that
 850	  to use a serial port as a console, this must be included in kernel and
 851	  not as a module.
 852
 853config SERIAL_PIC32_CONSOLE
 854	bool "PIC32 serial console support"
 855	depends on SERIAL_PIC32
 856	select SERIAL_CORE_CONSOLE
 857	help
 858	  If you have a PIC32, this driver supports the putting a console on one
 859	  of the serial ports.
 860
 861	  Say Y to use the PIC32 console, otherwise say N.
 862
 863config SERIAL_MPC52xx
 864	tristate "Freescale MPC52xx/MPC512x family PSC serial support"
 865	depends on PPC_MPC52xx || PPC_MPC512x
 866	select SERIAL_CORE
 867	help
 868	  This driver supports MPC52xx and MPC512x PSC serial ports. If you would
 869	  like to use them, you must answer Y or M to this option. Note that
 870	  for use as console, it must be included in kernel and not as a
 871	  module.
 872
 873config SERIAL_MPC52xx_CONSOLE
 874	bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port"
 875	depends on SERIAL_MPC52xx=y
 876	select SERIAL_CORE_CONSOLE
 877	help
 878	  Select this options if you'd like to use one of the PSC serial port
 879	  of the Freescale MPC52xx family as a console.
 880
 881config SERIAL_MPC52xx_CONSOLE_BAUD
 882	int "Freescale MPC52xx/MPC512x family PSC serial port baud"
 883	depends on SERIAL_MPC52xx_CONSOLE=y
 884	default "9600"
 885	help
 886	  Select the MPC52xx console baud rate.
 887	  This value is only used if the bootloader doesn't pass in the
 888	  console baudrate
 889
 890config SERIAL_ICOM
 891	tristate "IBM Multiport Serial Adapter"
 892	depends on PCI && PPC_PSERIES
 
 893	select SERIAL_CORE
 894	select FW_LOADER
 895	help
 896	  This driver is for a family of multiport serial adapters
 897	  including 2 port RVX, 2 port internal modem, 4 port internal
 898	  modem and a split 1 port RVX and 1 port internal modem.
 899
 900	  This driver can also be built as a module.  If so, the module
 901	  will be called icom.
 902
 903config SERIAL_TXX9
 904	bool "TMPTX39XX/49XX SIO support"
 905	depends on HAS_TXX9_SERIAL
 906	select SERIAL_CORE
 907	default y
 908
 909config HAS_TXX9_SERIAL
 910	bool
 911
 912config SERIAL_TXX9_NR_UARTS
 913	int "Maximum number of TMPTX39XX/49XX SIO ports"
 914	depends on SERIAL_TXX9
 915	default "6"
 916
 917config SERIAL_TXX9_CONSOLE
 918	bool "TMPTX39XX/49XX SIO Console support"
 919	depends on SERIAL_TXX9=y
 920	select SERIAL_CORE_CONSOLE
 921
 922config SERIAL_TXX9_STDSERIAL
 923	bool "TX39XX/49XX SIO act as standard serial"
 924	depends on !SERIAL_8250 && SERIAL_TXX9
 925
 926config SERIAL_VR41XX
 927	tristate "NEC VR4100 series Serial Interface Unit support"
 928	depends on CPU_VR41XX
 929	select SERIAL_CORE
 930	help
 931	  If you have a NEC VR4100 series processor and you want to use
 932	  Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU)
 933	  (not include VR4111/VR4121 DSIU), say Y.  Otherwise, say N.
 934
 935config SERIAL_VR41XX_CONSOLE
 936	bool "Enable NEC VR4100 series Serial Interface Unit console"
 937	depends on SERIAL_VR41XX=y
 938	select SERIAL_CORE_CONSOLE
 939	help
 940	  If you have a NEC VR4100 series processor and you want to use
 941	  a console on a serial port, say Y.  Otherwise, say N.
 942
 943config SERIAL_JSM
 944	tristate "Digi International NEO and Classic PCI Support"
 945	depends on PCI
 946	select SERIAL_CORE
 947	help
 948	  This is a driver for Digi International's Neo and Classic series
 949	  of cards which provide multiple serial ports. You would need
 950	  something like this to connect more than two modems to your Linux
 951	  box, for instance in order to become a dial-in server. This driver
 952	  supports PCI boards only.
 953
 954	  If you have a card like this, say Y here, otherwise say N.
 955
 956	  To compile this driver as a module, choose M here: the
 957	  module will be called jsm.
 958
 959config SERIAL_MSM
 960	tristate "MSM on-chip serial port support"
 961	depends on ARCH_QCOM
 962	select SERIAL_CORE
 963
 964config SERIAL_MSM_CONSOLE
 965	bool "MSM serial console support"
 966	depends on SERIAL_MSM=y
 967	select SERIAL_CORE_CONSOLE
 968	select SERIAL_EARLYCON
 969
 970config SERIAL_QCOM_GENI
 971	tristate "QCOM on-chip GENI based serial port support"
 972	depends on ARCH_QCOM || COMPILE_TEST
 973	depends on QCOM_GENI_SE
 974	select SERIAL_CORE
 975
 976config SERIAL_QCOM_GENI_CONSOLE
 977	bool "QCOM GENI Serial Console support"
 978	depends on SERIAL_QCOM_GENI=y
 979	select SERIAL_CORE_CONSOLE
 980	select SERIAL_EARLYCON
 981	help
 982	  Serial console driver for Qualcomm Technologies Inc's GENI based
 983	  QUP hardware.
 984
 985config SERIAL_VT8500
 986	bool "VIA VT8500 on-chip serial port support"
 987	depends on ARCH_VT8500
 988	select SERIAL_CORE
 989
 990config SERIAL_VT8500_CONSOLE
 991	bool "VIA VT8500 serial console support"
 992	depends on SERIAL_VT8500=y
 993	select SERIAL_CORE_CONSOLE
 994
 995config SERIAL_OMAP
 996	tristate "OMAP serial port support"
 997	depends on ARCH_OMAP2PLUS
 998	select SERIAL_CORE
 999	help
1000	  If you have a machine based on an Texas Instruments OMAP CPU you
1001	  can enable its onboard serial ports by enabling this option.
1002
1003	  By enabling this option you take advantage of dma feature available
1004	  with the omap-serial driver. DMA support can be enabled from platform
1005	  data.
1006
1007config SERIAL_OMAP_CONSOLE
1008	bool "Console on OMAP serial port"
1009	depends on SERIAL_OMAP=y
1010	select SERIAL_CORE_CONSOLE
1011	help
1012	  Select this option if you would like to use omap serial port as
1013	  console.
1014
1015	  Even if you say Y here, the currently visible virtual console
1016	  (/dev/tty0) will still be used as the system console by default, but
1017	  you can alter that using a kernel command line option such as
1018	  "console=ttyOx". (Try "man bootparam" or see the documentation of
1019	  your boot loader about how to pass options to the kernel at
1020	  boot time.)
1021
1022config SERIAL_SIFIVE
1023	tristate "SiFive UART support"
1024	depends on OF
1025	select SERIAL_CORE
1026	help
1027	  Select this option if you are building a kernel for a device that
1028	  contains a SiFive UART IP block.  This type of UART is present on
1029	  SiFive FU540 SoCs, among others.
1030
1031config SERIAL_SIFIVE_CONSOLE
1032	bool "Console on SiFive UART"
1033	depends on SERIAL_SIFIVE=y
1034	select SERIAL_CORE_CONSOLE
1035	select SERIAL_EARLYCON
1036	help
1037	  Select this option if you would like to use a SiFive UART as the
1038	  system console.
1039
1040	  Even if you say Y here, the currently visible virtual console
1041	  (/dev/tty0) will still be used as the system console by default, but
1042	  you can alter that using a kernel command line option such as
1043	  "console=ttySIFx". (Try "man bootparam" or see the documentation of
1044	  your boot loader about how to pass options to the kernel at
1045	  boot time.)
1046
1047config SERIAL_LANTIQ
1048	bool "Lantiq serial driver"
1049	depends on LANTIQ
1050	select SERIAL_CORE
 
 
 
 
 
 
 
 
1051	select SERIAL_CORE_CONSOLE
1052	select SERIAL_EARLYCON
1053	help
1054	  Support for console and UART on Lantiq SoCs.
 
1055
1056config SERIAL_QE
1057	tristate "Freescale QUICC Engine serial port support"
1058	depends on QUICC_ENGINE
1059	select SERIAL_CORE
1060	select FW_LOADER
1061	help
1062	  This driver supports the QE serial ports on Freescale embedded
1063	  PowerPC that contain a QUICC Engine.
1064
1065config SERIAL_SCCNXP
1066	tristate "SCCNXP serial port support"
1067	select SERIAL_CORE
1068	help
1069	  This selects support for an advanced UART from NXP (Philips).
1070	  Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92,
1071	  SC28L202, SCC68681 and SCC68692.
1072
1073config SERIAL_SCCNXP_CONSOLE
1074	bool "Console on SCCNXP serial port"
1075	depends on SERIAL_SCCNXP=y
1076	select SERIAL_CORE_CONSOLE
1077	help
1078	  Support for console on SCCNXP serial ports.
1079
1080config SERIAL_SC16IS7XX_CORE
1081        tristate
1082
1083config SERIAL_SC16IS7XX
1084        tristate "SC16IS7xx serial support"
1085        select SERIAL_CORE
1086        depends on (SPI_MASTER && !I2C) || I2C
1087        help
1088          This selects support for SC16IS7xx serial ports.
1089          Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752,
1090          SC16IS760 and SC16IS762. Select supported buses using options below.
1091
1092config SERIAL_SC16IS7XX_I2C
1093        bool "SC16IS7xx for I2C interface"
1094        depends on SERIAL_SC16IS7XX
1095        depends on I2C
1096        select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX
1097        select REGMAP_I2C if I2C
1098        default y
1099        help
1100          Enable SC16IS7xx driver on I2C bus,
1101          If required say y, and say n to i2c if not required,
1102          Enabled by default to support oldconfig.
1103          You must select at least one bus for the driver to be built.
1104
1105config SERIAL_SC16IS7XX_SPI
1106        bool "SC16IS7xx for spi interface"
1107        depends on SERIAL_SC16IS7XX
1108        depends on SPI_MASTER
1109        select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX
1110        select REGMAP_SPI if SPI_MASTER
1111        help
1112          Enable SC16IS7xx driver on SPI bus,
1113          If required say y, and say n to spi if not required,
1114          This is additional support to exsisting driver.
1115          You must select at least one bus for the driver to be built.
1116
1117config SERIAL_TIMBERDALE
1118	tristate "Support for timberdale UART"
1119	select SERIAL_CORE
1120	depends on X86_32 || COMPILE_TEST
1121	---help---
1122	Add support for UART controller on timberdale.
1123
1124config SERIAL_BCM63XX
1125	tristate "Broadcom BCM63xx/BCM33xx UART support"
1126	select SERIAL_CORE
1127	depends on MIPS || ARM || COMPILE_TEST
1128	help
1129	  This enables the driver for the onchip UART core found on
1130	  the following chipsets:
1131
1132	    BCM33xx (cable modem)
1133	    BCM63xx/BCM63xxx (DSL)
1134	    BCM68xx (PON)
1135	    BCM7xxx (STB) - DOCSIS console
1136
1137config SERIAL_BCM63XX_CONSOLE
1138	bool "Console on BCM63xx serial port"
1139	depends on SERIAL_BCM63XX=y
1140	select SERIAL_CORE_CONSOLE
1141	select SERIAL_EARLYCON
1142	help
1143	  If you have enabled the serial port on the BCM63xx CPU
1144	  you can make it the console by answering Y to this option.
1145
1146config SERIAL_GRLIB_GAISLER_APBUART
1147	tristate "GRLIB APBUART serial support"
1148	depends on OF && SPARC
1149	select SERIAL_CORE
1150	---help---
1151	Add support for the GRLIB APBUART serial port.
1152
1153config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE
1154	bool "Console on GRLIB APBUART serial port"
1155	depends on SERIAL_GRLIB_GAISLER_APBUART=y
1156	select SERIAL_CORE_CONSOLE
1157	help
1158	Support for running a console on the GRLIB APBUART
1159
1160config SERIAL_ALTERA_JTAGUART
1161	tristate "Altera JTAG UART support"
1162	select SERIAL_CORE
1163	help
1164	  This driver supports the Altera JTAG UART port.
1165
1166config SERIAL_ALTERA_JTAGUART_CONSOLE
1167	bool "Altera JTAG UART console support"
1168	depends on SERIAL_ALTERA_JTAGUART=y
1169	select SERIAL_CORE_CONSOLE
1170	select SERIAL_EARLYCON
1171	help
1172	  Enable a Altera JTAG UART port to be the system console.
1173
1174config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS
1175	bool "Bypass output when no connection"
1176	depends on SERIAL_ALTERA_JTAGUART_CONSOLE
1177	select SERIAL_CORE_CONSOLE
1178	help
1179	  Bypass console output and keep going even if there is no
1180	  JTAG terminal connection with the host.
1181
1182config SERIAL_ALTERA_UART
1183	tristate "Altera UART support"
1184	select SERIAL_CORE
1185	help
1186	  This driver supports the Altera softcore UART port.
1187
1188config SERIAL_ALTERA_UART_MAXPORTS
1189	int "Maximum number of Altera UART ports"
1190	depends on SERIAL_ALTERA_UART
1191	default 4
1192	help
1193	  This setting lets you define the maximum number of the Altera
1194	  UART ports. The usual default varies from board to board, and
1195	  this setting is a way of catering for that.
1196
1197config SERIAL_ALTERA_UART_BAUDRATE
1198	int "Default baudrate for Altera UART ports"
1199	depends on SERIAL_ALTERA_UART
1200	default 115200
1201	help
1202	  This setting lets you define what the default baudrate is for the
1203	  Altera UART ports. The usual default varies from board to board,
1204	  and this setting is a way of catering for that.
1205
1206config SERIAL_ALTERA_UART_CONSOLE
1207	bool "Altera UART console support"
1208	depends on SERIAL_ALTERA_UART=y
1209	select SERIAL_CORE_CONSOLE
1210	select SERIAL_EARLYCON
1211	help
1212	  Enable a Altera UART port to be the system console.
1213
1214config SERIAL_IFX6X60
1215        tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)"
1216	depends on GPIOLIB || COMPILE_TEST
1217	depends on SPI && HAS_DMA
1218	help
1219	  Support for the IFX6x60 modem devices on Intel MID platforms.
1220
1221config SERIAL_PCH_UART
1222	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART"
1223	depends on PCI && (X86_32 || MIPS ||  COMPILE_TEST)
1224	select SERIAL_CORE
1225	help
1226	  This driver is for PCH(Platform controller Hub) UART of Intel EG20T
1227	  which is an IOH(Input/Output Hub) for x86 embedded processor.
1228	  Enabling PCH_DMA, this PCH UART works as DMA mode.
1229
1230	  This driver also can be used for LAPIS Semiconductor IOH(Input/
1231	  Output Hub), ML7213, ML7223 and ML7831.
1232	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
1233	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
1234	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
1235	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
1236
1237config SERIAL_PCH_UART_CONSOLE
1238	bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH"
1239	depends on SERIAL_PCH_UART=y
1240	select SERIAL_CORE_CONSOLE
1241	help
1242	  Say Y here if you wish to use the PCH UART as the system console
1243	  (the system  console is the device which receives all kernel messages and
1244	  warnings and which allows logins in single user mode).
1245
1246config SERIAL_MXS_AUART
1247	tristate "MXS AUART support"
1248	depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST
1249	select SERIAL_CORE
1250	select SERIAL_MCTRL_GPIO if GPIOLIB
1251	help
1252	  This driver supports the MXS and Alphascale ASM9260 Application
1253	  UART (AUART) port.
1254
1255config SERIAL_MXS_AUART_CONSOLE
1256	bool "MXS AUART console support"
1257	depends on SERIAL_MXS_AUART=y
1258	select SERIAL_CORE_CONSOLE
1259	help
1260	  Enable a MXS AUART port to be the system console.
1261
1262config SERIAL_XILINX_PS_UART
1263	tristate "Cadence (Xilinx Zynq) UART support"
1264	depends on OF
1265	select SERIAL_CORE
1266	help
1267	  This driver supports the Cadence UART. It is found e.g. in Xilinx
1268	  Zynq.
1269
1270config SERIAL_XILINX_PS_UART_CONSOLE
1271	bool "Cadence UART console support"
1272	depends on SERIAL_XILINX_PS_UART=y
1273	select SERIAL_CORE_CONSOLE
1274	select SERIAL_EARLYCON
1275	help
1276	  Enable a Cadence UART port to be the system console.
1277
1278config SERIAL_AR933X
1279	tristate "AR933X serial port support"
1280	depends on HAVE_CLK && ATH79
1281	select SERIAL_CORE
 
1282	help
1283	  If you have an Atheros AR933X SOC based board and want to use the
1284	  built-in UART of the SoC, say Y to this option.
1285
1286	  To compile this driver as a module, choose M here: the
1287	  module will be called ar933x_uart.
1288
1289config SERIAL_AR933X_CONSOLE
1290	bool "Console on AR933X serial port"
1291	depends on SERIAL_AR933X=y
1292	select SERIAL_CORE_CONSOLE
1293	help
1294	  Enable a built-in UART port of the AR933X to be the system console.
1295
1296config SERIAL_AR933X_NR_UARTS
1297	int "Maximum number of AR933X serial ports"
1298	depends on SERIAL_AR933X
1299	default "2"
1300	help
1301	  Set this to the number of serial ports you want the driver
1302	  to support.
1303
1304config SERIAL_EFM32_UART
1305	tristate "EFM32 UART/USART port"
1306	depends on ARM && (ARCH_EFM32 || COMPILE_TEST)
1307	select SERIAL_CORE
1308	help
1309	  This driver support the USART and UART ports on
1310	  Energy Micro's efm32 SoCs.
1311
1312config SERIAL_MPS2_UART_CONSOLE
1313	bool "MPS2 UART console support"
1314	depends on SERIAL_MPS2_UART
1315	select SERIAL_CORE_CONSOLE
1316	select SERIAL_EARLYCON
1317
1318config SERIAL_MPS2_UART
1319	bool "MPS2 UART port"
1320	depends on ARCH_MPS2 || COMPILE_TEST
1321	select SERIAL_CORE
1322	help
1323	  This driver support the UART ports on ARM MPS2.
1324
1325config SERIAL_EFM32_UART_CONSOLE
1326	bool "EFM32 UART/USART console support"
1327	depends on SERIAL_EFM32_UART=y
1328	select SERIAL_CORE_CONSOLE
1329
1330config SERIAL_ARC
1331	tristate "ARC UART driver support"
1332	select SERIAL_CORE
1333	help
1334	  Driver for on-chip UART for ARC(Synopsys) for the legacy
1335	  FPGA Boards (ML50x/ARCAngel4)
1336
1337config SERIAL_ARC_CONSOLE
1338	bool "Console on ARC UART"
1339	depends on SERIAL_ARC=y
1340	select SERIAL_CORE_CONSOLE
1341	select SERIAL_EARLYCON
1342	help
1343	  Enable system Console on ARC UART
1344
1345config SERIAL_ARC_NR_PORTS
1346	int "Number of ARC UART ports"
1347	depends on SERIAL_ARC
1348	range 1 3
1349	default "1"
1350	help
1351	  Set this to the number of serial ports you want the driver
1352	  to support.
1353
1354config SERIAL_RP2
1355	tristate "Comtrol RocketPort EXPRESS/INFINITY support"
1356	depends on PCI
1357	select SERIAL_CORE
1358	help
1359	  This driver supports the Comtrol RocketPort EXPRESS and
1360	  RocketPort INFINITY families of PCI/PCIe multiport serial adapters.
1361	  These adapters use a "RocketPort 2" ASIC that is not compatible
1362	  with the original RocketPort driver (CONFIG_ROCKETPORT).
1363
1364	  To compile this driver as a module, choose M here: the
1365	  module will be called rp2.
1366
1367	  If you want to compile this driver into the kernel, say Y here.  If
1368	  you don't have a suitable RocketPort card installed, say N.
1369
1370config SERIAL_RP2_NR_UARTS
1371	int "Maximum number of RocketPort EXPRESS/INFINITY ports"
1372	depends on SERIAL_RP2
1373	default "32"
1374	help
1375	  If multiple cards are present, the default limit of 32 ports may
1376	  need to be increased.
1377
1378config SERIAL_FSL_LPUART
1379	tristate "Freescale lpuart serial port support"
1380	depends on HAS_DMA
1381	select SERIAL_CORE
1382	help
1383	  Support for the on-chip lpuart on some Freescale SOCs.
1384
1385config SERIAL_FSL_LPUART_CONSOLE
1386	bool "Console on Freescale lpuart serial port"
1387	depends on SERIAL_FSL_LPUART=y
1388	select SERIAL_CORE_CONSOLE
1389	select SERIAL_EARLYCON
1390	help
1391	  If you have enabled the lpuart serial port on the Freescale SoCs,
1392	  you can make it the console by answering Y to this option.
1393
1394config SERIAL_FSL_LINFLEXUART
1395	tristate "Freescale linflexuart serial port support"
1396	depends on PRINTK
1397	select SERIAL_CORE
1398	help
1399	  Support for the on-chip linflexuart on some Freescale SOCs.
1400
1401config SERIAL_FSL_LINFLEXUART_CONSOLE
1402	bool "Console on Freescale linflexuart serial port"
1403	depends on SERIAL_FSL_LINFLEXUART=y
1404	select SERIAL_CORE_CONSOLE
1405	select SERIAL_EARLYCON
1406	help
1407	  If you have enabled the linflexuart serial port on the Freescale
1408	  SoCs, you can make it the console by answering Y to this option.
1409
1410config SERIAL_CONEXANT_DIGICOLOR
1411	tristate "Conexant Digicolor CX92xxx USART serial port support"
1412	depends on OF
1413	select SERIAL_CORE
1414	help
1415	  Support for the on-chip USART on Conexant Digicolor SoCs.
1416
1417config SERIAL_CONEXANT_DIGICOLOR_CONSOLE
1418	bool "Console on Conexant Digicolor serial port"
1419	depends on SERIAL_CONEXANT_DIGICOLOR=y
1420	select SERIAL_CORE_CONSOLE
1421	help
1422	  If you have enabled the USART serial port on Conexant Digicolor
1423	  SoCs, you can make it the console by answering Y to this option.
1424
1425config SERIAL_ST_ASC
1426	tristate "ST ASC serial port support"
1427	select SERIAL_CORE
1428	depends on ARM || COMPILE_TEST
1429	help
1430	  This driver is for the on-chip Asychronous Serial Controller on
1431	  STMicroelectronics STi SoCs.
1432	  ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality.
1433	  It support all industry standard baud rates.
1434
1435	  If unsure, say N.
1436
1437config SERIAL_ST_ASC_CONSOLE
1438	bool "Support for console on ST ASC"
1439	depends on SERIAL_ST_ASC=y
1440	select SERIAL_CORE_CONSOLE
1441
1442config SERIAL_MEN_Z135
1443	tristate "MEN 16z135 Support"
1444	select SERIAL_CORE
1445	depends on MCB
1446	help
1447	  Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core
1448	  on a MCB carrier.
1449
1450	  This driver can also be build as a module. If so, the module will be called
1451	  men_z135_uart.ko
1452
1453config SERIAL_SPRD
1454	tristate "Support for Spreadtrum serial"
1455	depends on ARCH_SPRD
1456	select SERIAL_CORE
 
1457	help
1458	  This enables the driver for the Spreadtrum's serial.
1459
1460config SERIAL_SPRD_CONSOLE
1461	bool "Spreadtrum UART console support"
1462	depends on SERIAL_SPRD=y
1463	select SERIAL_CORE_CONSOLE
1464	select SERIAL_EARLYCON
1465	help
1466	  Support for early debug console using Spreadtrum's serial. This enables
1467	  the console before standard serial driver is probed. This is enabled
1468	  with "earlycon" on the kernel command line. The console is
1469	  enabled when early_param is processed.
1470
1471config SERIAL_STM32
1472	tristate "STMicroelectronics STM32 serial port support"
1473	select SERIAL_CORE
1474	depends on ARCH_STM32 || COMPILE_TEST
 
1475	help
1476	  This driver is for the on-chip Serial Controller on
1477	  STMicroelectronics STM32 MCUs.
1478	  USART supports Rx & Tx functionality.
1479	  It support all industry standard baud rates.
1480
1481	  If unsure, say N.
1482
1483config SERIAL_STM32_CONSOLE
1484	bool "Support for console on STM32"
1485	depends on SERIAL_STM32=y
1486	select SERIAL_CORE_CONSOLE
1487
1488config SERIAL_MVEBU_UART
1489	bool "Marvell EBU serial port support"
1490	depends on ARCH_MVEBU || COMPILE_TEST
1491	select SERIAL_CORE
1492	help
1493	  This driver is for Marvell EBU SoC's UART. If you have a machine
1494	  based on the Armada-3700 SoC and wish to use the on-board serial
1495	  port,
1496	  say 'Y' here.
1497	  Otherwise, say 'N'.
1498
1499config SERIAL_MVEBU_CONSOLE
1500	bool "Console on Marvell EBU serial port"
1501	depends on SERIAL_MVEBU_UART
1502	select SERIAL_CORE_CONSOLE
1503	select SERIAL_EARLYCON
1504	default y
1505	help
1506	  Say 'Y' here if you wish to use Armada-3700 UART as the system console.
1507	  (the system console is the device which receives all kernel messages
1508	  and warnings and which allows logins in single user mode)
1509	  Otherwise, say 'N'.
1510
1511config SERIAL_OWL
1512	tristate "Actions Semi Owl serial port support"
1513	depends on ARCH_ACTIONS || COMPILE_TEST
1514	select SERIAL_CORE
1515	help
1516	  This driver is for Actions Semiconductor S500/S900 SoC's UART.
1517	  Say 'Y' here if you wish to use the on-board serial port.
1518	  Otherwise, say 'N'.
1519
1520config SERIAL_OWL_CONSOLE
1521	bool "Console on Actions Semi Owl serial port"
1522	depends on SERIAL_OWL=y
1523	select SERIAL_CORE_CONSOLE
1524	select SERIAL_EARLYCON
1525	default y
1526	help
1527	  Say 'Y' here if you wish to use Actions Semiconductor S500/S900 UART
1528	  as the system console.
1529
1530config SERIAL_RDA
1531	bool "RDA Micro serial port support"
1532	depends on ARCH_RDA || COMPILE_TEST
1533	select SERIAL_CORE
1534	help
1535	  This driver is for RDA8810PL SoC's UART.
1536	  Say 'Y' here if you wish to use the on-board serial port.
1537	  Otherwise, say 'N'.
1538
1539config SERIAL_RDA_CONSOLE
1540	bool "Console on RDA Micro serial port"
1541	depends on SERIAL_RDA=y
1542	select SERIAL_CORE_CONSOLE
1543	select SERIAL_EARLYCON
1544	default y
1545	help
1546	  Say 'Y' here if you wish to use the RDA8810PL UART as the system
1547	  console. Only earlycon is implemented currently.
1548
1549config SERIAL_MILBEAUT_USIO
1550	tristate "Milbeaut USIO/UART serial port support"
1551	depends on ARCH_MILBEAUT || (COMPILE_TEST && OF)
1552	default ARCH_MILBEAUT
1553	select SERIAL_CORE
1554	help
1555	  This selects the USIO/UART IP found in Socionext Milbeaut SoCs.
1556
1557config SERIAL_MILBEAUT_USIO_PORTS
1558	int "Maximum number of CSIO/UART ports (1-8)"
1559	range 1 8
1560	depends on SERIAL_MILBEAUT_USIO
1561	default "4"
1562
1563config SERIAL_MILBEAUT_USIO_CONSOLE
1564	bool "Support for console on MILBEAUT USIO/UART serial port"
1565	depends on SERIAL_MILBEAUT_USIO=y
1566	default y
1567	select SERIAL_CORE_CONSOLE
1568	select SERIAL_EARLYCON
1569	help
1570	  Say 'Y' here if you wish to use a USIO/UART of Socionext Milbeaut
1571	  SoCs as the system console (the system console is the device which
1572	  receives all kernel messages and warnings and which allows logins in
1573	  single user mode).
1574
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1575endmenu
1576
1577config SERIAL_MCTRL_GPIO
1578	tristate
1579
1580endif # TTY