1# 2# Serial device configuration 3# 4 5if TTY 6 7menu "Serial drivers" 8 depends on HAS_IOMEM 9 10config SERIAL_EARLYCON 11 bool 12 help 13 Support for early consoles with the earlycon parameter. This enables 14 the console before standard serial driver is probed. The console is 15 enabled when early_param is processed. 16 17source "drivers/tty/serial/8250/Kconfig" 18 19comment "Non-8250 serial port support" 20 21config SERIAL_AMBA_PL010 22 tristate "ARM AMBA PL010 serial port support" 23 depends on ARM_AMBA 24 select SERIAL_CORE 25 help 26 This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have 27 an Integrator/AP or Integrator/PP2 platform, or if you have a 28 Cirrus Logic EP93xx CPU, say Y or M here. 29 30 If unsure, say N. 31 32config SERIAL_AMBA_PL010_CONSOLE 33 bool "Support for console on AMBA serial port" 34 depends on SERIAL_AMBA_PL010=y 35 select SERIAL_CORE_CONSOLE 36 ---help--- 37 Say Y here if you wish to use an AMBA PrimeCell UART as the system 38 console (the system console is the device which receives all kernel 39 messages and warnings and which allows logins in single user mode). 40 41 Even if you say Y here, the currently visible framebuffer console 42 (/dev/tty0) will still be used as the system console by default, but 43 you can alter that using a kernel command line option such as 44 "console=ttyAM0". (Try "man bootparam" or see the documentation of 45 your boot loader (lilo or loadlin) about how to pass options to the 46 kernel at boot time.) 47 48config SERIAL_AMBA_PL011 49 tristate "ARM AMBA PL011 serial port support" 50 depends on ARM_AMBA 51 select SERIAL_CORE 52 help 53 This selects the ARM(R) AMBA(R) PrimeCell PL011 UART. If you have 54 an Integrator/PP2, Integrator/CP or Versatile platform, say Y or M 55 here. 56 57 If unsure, say N. 58 59config SERIAL_AMBA_PL011_CONSOLE 60 bool "Support for console on AMBA serial port" 61 depends on SERIAL_AMBA_PL011=y 62 select SERIAL_CORE_CONSOLE 63 select SERIAL_EARLYCON 64 ---help--- 65 Say Y here if you wish to use an AMBA PrimeCell UART as the system 66 console (the system console is the device which receives all kernel 67 messages and warnings and which allows logins in single user mode). 68 69 Even if you say Y here, the currently visible framebuffer console 70 (/dev/tty0) will still be used as the system console by default, but 71 you can alter that using a kernel command line option such as 72 "console=ttyAMA0". (Try "man bootparam" or see the documentation of 73 your boot loader (lilo or loadlin) about how to pass options to the 74 kernel at boot time.) 75 76config SERIAL_EARLYCON_ARM_SEMIHOST 77 bool "Early console using ARM semihosting" 78 depends on ARM64 || ARM 79 select SERIAL_CORE 80 select SERIAL_CORE_CONSOLE 81 select SERIAL_EARLYCON 82 help 83 Support for early debug console using ARM semihosting. This enables 84 the console before standard serial driver is probed. This is enabled 85 with "earlycon=smh" on the kernel command line. The console is 86 enabled when early_param is processed. 87 88config SERIAL_SB1250_DUART 89 tristate "BCM1xxx on-chip DUART serial support" 90 depends on SIBYTE_SB1xxx_SOC=y 91 select SERIAL_CORE 92 default y 93 ---help--- 94 Support for the asynchronous serial interface (DUART) included in 95 the BCM1250 and derived System-On-a-Chip (SOC) devices. Note that 96 the letter D in DUART stands for "dual", which is how the device 97 is implemented. Depending on the SOC configuration there may be 98 one or more DUARTs available of which all are handled. 99 100 If unsure, say Y. To compile this driver as a module, choose M here: 101 the module will be called sb1250-duart. 102 103config SERIAL_SB1250_DUART_CONSOLE 104 bool "Support for console on a BCM1xxx DUART serial port" 105 depends on SERIAL_SB1250_DUART=y 106 select SERIAL_CORE_CONSOLE 107 default y 108 ---help--- 109 If you say Y here, it will be possible to use a serial port as the 110 system console (the system console is the device which receives all 111 kernel messages and warnings and which allows logins in single user 112 mode). 113 114 If unsure, say Y. 115 116config SERIAL_ATMEL 117 bool "AT91 on-chip serial port support" 118 depends on HAS_DMA 119 depends on ARCH_AT91 || COMPILE_TEST 120 select SERIAL_CORE 121 select SERIAL_MCTRL_GPIO if GPIOLIB 122 help 123 This enables the driver for the on-chip UARTs of the Atmel 124 AT91 processors. 125 126config SERIAL_ATMEL_CONSOLE 127 bool "Support for console on AT91 serial port" 128 depends on SERIAL_ATMEL=y 129 select SERIAL_CORE_CONSOLE 130 help 131 Say Y here if you wish to use an on-chip UART on a Atmel 132 AT91 processor as the system console (the system 133 console is the device which receives all kernel messages and 134 warnings and which allows logins in single user mode). 135 136config SERIAL_ATMEL_PDC 137 bool "Support DMA transfers on AT91 serial port" 138 depends on SERIAL_ATMEL 139 default y 140 help 141 Say Y here if you wish to use the PDC to do DMA transfers to 142 and from the Atmel AT91 serial port. In order to 143 actually use DMA transfers, make sure that the use_dma_tx 144 and use_dma_rx members in the atmel_uart_data struct is set 145 appropriately for each port. 146 147 Note that break and error handling currently doesn't work 148 properly when DMA is enabled. Make sure that ports where 149 this matters don't use DMA. 150 151config SERIAL_ATMEL_TTYAT 152 bool "Install as device ttyATn instead of ttySn" 153 depends on SERIAL_ATMEL=y 154 help 155 Say Y here if you wish to have the internal AT91 UARTs 156 appear as /dev/ttyATn (major 204, minor starting at 154) 157 instead of the normal /dev/ttySn (major 4, minor starting at 158 64). This is necessary if you also want other UARTs, such as 159 external 8250/16C550 compatible UARTs. 160 The ttySn nodes are legally reserved for the 8250 serial driver 161 but are often misused by other serial drivers. 162 163 To use this, you should create suitable ttyATn device nodes in 164 /dev/, and pass "console=ttyATn" to the kernel. 165 166 Say Y if you have an external 8250/16C550 UART. If unsure, say N. 167 168config SERIAL_KGDB_NMI 169 bool "Serial console over KGDB NMI debugger port" 170 depends on KGDB_SERIAL_CONSOLE 171 help 172 This special driver allows you to temporary use NMI debugger port 173 as a normal console (assuming that the port is attached to KGDB). 174 175 Unlike KDB's disable_nmi command, with this driver you are always 176 able to go back to the debugger using KGDB escape sequence ($3#33). 177 This is because this console driver processes the input in NMI 178 context, and thus is able to intercept the magic sequence. 179 180 Note that since the console interprets input and uses polling 181 communication methods, for things like PPP you still must fully 182 detach debugger port from the KGDB NMI (i.e. disable_nmi), and 183 use raw console. 184 185 If unsure, say N. 186 187config SERIAL_KS8695 188 bool "Micrel KS8695 (Centaur) serial port support" 189 depends on ARCH_KS8695 190 select SERIAL_CORE 191 help 192 This selects the Micrel Centaur KS8695 UART. Say Y here. 193 194config SERIAL_KS8695_CONSOLE 195 bool "Support for console on KS8695 (Centaur) serial port" 196 depends on SERIAL_KS8695=y 197 select SERIAL_CORE_CONSOLE 198 help 199 Say Y here if you wish to use a KS8695 (Centaur) UART as the 200 system console (the system console is the device which 201 receives all kernel messages and warnings and which allows 202 logins in single user mode). 203 204config SERIAL_MESON 205 tristate "Meson serial port support" 206 depends on ARCH_MESON 207 select SERIAL_CORE 208 help 209 This enables the driver for the on-chip UARTs of the Amlogic 210 MesonX processors. 211 212config SERIAL_MESON_CONSOLE 213 bool "Support for console on meson" 214 depends on SERIAL_MESON=y 215 select SERIAL_CORE_CONSOLE 216 select SERIAL_EARLYCON 217 help 218 Say Y here if you wish to use a Amlogic MesonX UART as the 219 system console (the system console is the device which 220 receives all kernel messages and warnings and which allows 221 logins in single user mode) as /dev/ttyAMLx. 222 223config SERIAL_CLPS711X 224 tristate "CLPS711X serial port support" 225 depends on ARCH_CLPS711X || COMPILE_TEST 226 select SERIAL_CORE 227 select SERIAL_MCTRL_GPIO if GPIOLIB 228 help 229 This enables the driver for the on-chip UARTs of the Cirrus 230 Logic EP711x/EP721x/EP731x processors. 231 232config SERIAL_CLPS711X_CONSOLE 233 bool "Support for console on CLPS711X serial port" 234 depends on SERIAL_CLPS711X=y 235 select SERIAL_CORE_CONSOLE 236 help 237 Even if you say Y here, the currently visible virtual console 238 (/dev/tty0) will still be used as the system console by default, but 239 you can alter that using a kernel command line option such as 240 "console=ttyCL1". 241 242config SERIAL_SAMSUNG 243 tristate "Samsung SoC serial support" 244 depends on PLAT_SAMSUNG || ARCH_EXYNOS 245 select SERIAL_CORE 246 help 247 Support for the on-chip UARTs on the Samsung S3C24XX series CPUs, 248 providing /dev/ttySAC0, 1 and 2 (note, some machines may not 249 provide all of these ports, depending on how the serial port 250 pins are configured. 251 252config SERIAL_SAMSUNG_UARTS_4 253 bool 254 depends on SERIAL_SAMSUNG 255 default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442) 256 help 257 Internal node for the common case of 4 Samsung compatible UARTs 258 259config SERIAL_SAMSUNG_UARTS 260 int 261 depends on SERIAL_SAMSUNG 262 default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416 263 default 3 264 help 265 Select the number of available UART ports for the Samsung S3C 266 serial driver 267 268config SERIAL_SAMSUNG_DEBUG 269 bool "Samsung SoC serial debug" 270 depends on SERIAL_SAMSUNG && DEBUG_LL 271 help 272 Add support for debugging the serial driver. Since this is 273 generally being used as a console, we use our own output 274 routines that go via the low-level debug printascii() 275 function. 276 277config SERIAL_SAMSUNG_CONSOLE 278 bool "Support for console on Samsung SoC serial port" 279 depends on SERIAL_SAMSUNG=y 280 select SERIAL_CORE_CONSOLE 281 select SERIAL_EARLYCON 282 help 283 Allow selection of the S3C24XX on-board serial ports for use as 284 an virtual console. 285 286 Even if you say Y here, the currently visible virtual console 287 (/dev/tty0) will still be used as the system console by default, but 288 you can alter that using a kernel command line option such as 289 "console=ttySACx". (Try "man bootparam" or see the documentation of 290 your boot loader about how to pass options to the kernel at 291 boot time.) 292 293config SERIAL_SIRFSOC 294 tristate "SiRF SoC Platform Serial port support" 295 depends on ARCH_SIRF 296 select SERIAL_CORE 297 help 298 Support for the on-chip UART on the CSR SiRFprimaII series, 299 providing /dev/ttySiRF0, 1 and 2 (note, some machines may not 300 provide all of these ports, depending on how the serial port 301 pins are configured). 302 303config SERIAL_SIRFSOC_CONSOLE 304 bool "Support for console on SiRF SoC serial port" 305 depends on SERIAL_SIRFSOC=y 306 select SERIAL_CORE_CONSOLE 307 help 308 Even if you say Y here, the currently visible virtual console 309 (/dev/tty0) will still be used as the system console by default, but 310 you can alter that using a kernel command line option such as 311 "console=ttySiRFx". (Try "man bootparam" or see the documentation of 312 your boot loader about how to pass options to the kernel at 313 boot time.) 314 315config SERIAL_TEGRA 316 tristate "NVIDIA Tegra20/30 SoC serial controller" 317 depends on ARCH_TEGRA && TEGRA20_APB_DMA 318 select SERIAL_CORE 319 help 320 Support for the on-chip UARTs on the NVIDIA Tegra series SOCs 321 providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not 322 provide all of these ports, depending on how the serial port 323 are enabled). This driver uses the APB DMA to achieve higher baudrate 324 and better performance. 325 326config SERIAL_MAX3100 327 tristate "MAX3100 support" 328 depends on SPI 329 select SERIAL_CORE 330 help 331 MAX3100 chip support 332 333config SERIAL_MAX310X 334 tristate "MAX310X support" 335 depends on SPI_MASTER 336 select SERIAL_CORE 337 select REGMAP_SPI if SPI_MASTER 338 default n 339 help 340 This selects support for an advanced UART from Maxim (Dallas). 341 Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830. 342 Each IC contains 128 words each of receive and transmit FIFO 343 that can be controlled through I2C or high-speed SPI. 344 345 Say Y here if you want to support this ICs. 346 347config SERIAL_DZ 348 bool "DECstation DZ serial driver" 349 depends on MACH_DECSTATION && 32BIT 350 select SERIAL_CORE 351 default y 352 ---help--- 353 DZ11-family serial controllers for DECstations and VAXstations, 354 including the DC7085, M7814, and M7819. 355 356config SERIAL_DZ_CONSOLE 357 bool "Support console on DECstation DZ serial driver" 358 depends on SERIAL_DZ=y 359 select SERIAL_CORE_CONSOLE 360 default y 361 ---help--- 362 If you say Y here, it will be possible to use a serial port as the 363 system console (the system console is the device which receives all 364 kernel messages and warnings and which allows logins in single user 365 mode). 366 367 Note that the firmware uses ttyS3 as the serial console on 368 DECstations that use this driver. 369 370 If unsure, say Y. 371 372config SERIAL_ZS 373 tristate "DECstation Z85C30 serial support" 374 depends on MACH_DECSTATION 375 select SERIAL_CORE 376 default y 377 ---help--- 378 Support for the Zilog 85C350 serial communications controller used 379 for serial ports in newer DECstation systems. These include the 380 DECsystem 5900 and all models of the DECstation and DECsystem 5000 381 systems except from model 200. 382 383 If unsure, say Y. To compile this driver as a module, choose M here: 384 the module will be called zs. 385 386config SERIAL_ZS_CONSOLE 387 bool "Support for console on a DECstation Z85C30 serial port" 388 depends on SERIAL_ZS=y 389 select SERIAL_CORE_CONSOLE 390 default y 391 ---help--- 392 If you say Y here, it will be possible to use a serial port as the 393 system console (the system console is the device which receives all 394 kernel messages and warnings and which allows logins in single user 395 mode). 396 397 Note that the firmware uses ttyS1 as the serial console on the 398 Maxine and ttyS3 on the others using this driver. 399 400 If unsure, say Y. 401 402config SERIAL_21285 403 tristate "DC21285 serial port support" 404 depends on FOOTBRIDGE 405 select SERIAL_CORE 406 help 407 If you have a machine based on a 21285 (Footbridge) StrongARM(R)/ 408 PCI bridge you can enable its onboard serial port by enabling this 409 option. 410 411config SERIAL_21285_CONSOLE 412 bool "Console on DC21285 serial port" 413 depends on SERIAL_21285=y 414 select SERIAL_CORE_CONSOLE 415 help 416 If you have enabled the serial port on the 21285 footbridge you can 417 make it the console by answering Y to this option. 418 419 Even if you say Y here, the currently visible virtual console 420 (/dev/tty0) will still be used as the system console by default, but 421 you can alter that using a kernel command line option such as 422 "console=ttyFB". (Try "man bootparam" or see the documentation of 423 your boot loader (lilo or loadlin) about how to pass options to the 424 kernel at boot time.) 425 426config SERIAL_MPSC 427 bool "Marvell MPSC serial port support" 428 depends on MV64X60 429 select SERIAL_CORE 430 help 431 Say Y here if you want to use the Marvell MPSC serial controller. 432 433config SERIAL_MPSC_CONSOLE 434 bool "Support for console on Marvell MPSC serial port" 435 depends on SERIAL_MPSC 436 select SERIAL_CORE_CONSOLE 437 help 438 Say Y here if you want to support a serial console on a Marvell MPSC. 439 440config SERIAL_PXA 441 bool "PXA serial port support (DEPRECATED)" 442 depends on ARCH_PXA || ARCH_MMP 443 select SERIAL_CORE 444 select SERIAL_8250_PXA if SERIAL_8250=y 445 select SERIAL_PXA_NON8250 if !SERIAL_8250=y 446 help 447 If you have a machine based on an Intel XScale PXA2xx CPU you 448 can enable its onboard serial ports by enabling this option. 449 450 Unless you have a specific need, you should use SERIAL_8250_PXA 451 instead of this. 452 453config SERIAL_PXA_NON8250 454 bool 455 depends on !SERIAL_8250 456 457config SERIAL_PXA_CONSOLE 458 bool "Console on PXA serial port (DEPRECATED)" 459 depends on SERIAL_PXA 460 select SERIAL_CORE_CONSOLE 461 select SERIAL_8250_CONSOLE if SERIAL_8250=y 462 help 463 If you have enabled the serial port on the Intel XScale PXA 464 CPU you can make it the console by answering Y to this option. 465 466 Even if you say Y here, the currently visible virtual console 467 (/dev/tty0) will still be used as the system console by default, but 468 you can alter that using a kernel command line option such as 469 "console=ttySA0". (Try "man bootparam" or see the documentation of 470 your boot loader (lilo or loadlin) about how to pass options to the 471 kernel at boot time.) 472 473 Unless you have a specific need, you should use SERIAL_8250_PXA 474 and SERIAL_8250_CONSOLE instead of this. 475 476config SERIAL_SA1100 477 bool "SA1100 serial port support" 478 depends on ARCH_SA1100 479 select SERIAL_CORE 480 help 481 If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you 482 can enable its onboard serial port by enabling this option. 483 Please read <file:Documentation/arm/SA1100/serial_UART> for further 484 info. 485 486config SERIAL_SA1100_CONSOLE 487 bool "Console on SA1100 serial port" 488 depends on SERIAL_SA1100 489 select SERIAL_CORE_CONSOLE 490 help 491 If you have enabled the serial port on the SA1100/SA1110 StrongARM 492 CPU you can make it the console by answering Y to this option. 493 494 Even if you say Y here, the currently visible virtual console 495 (/dev/tty0) will still be used as the system console by default, but 496 you can alter that using a kernel command line option such as 497 "console=ttySA0". (Try "man bootparam" or see the documentation of 498 your boot loader (lilo or loadlin) about how to pass options to the 499 kernel at boot time.) 500 501config SERIAL_BFIN 502 tristate "Blackfin serial port support" 503 depends on BLACKFIN 504 select SERIAL_CORE 505 select SERIAL_BFIN_UART0 if (BF531 || BF532 || BF533 || BF561) 506 help 507 Add support for the built-in UARTs on the Blackfin. 508 509 To compile this driver as a module, choose M here: the 510 module is named bfin_uart.ko. 511 512config SERIAL_BFIN_CONSOLE 513 bool "Console on Blackfin serial port" 514 depends on SERIAL_BFIN=y 515 select SERIAL_CORE_CONSOLE 516 517choice 518 prompt "UART Mode" 519 depends on SERIAL_BFIN 520 default SERIAL_BFIN_DMA 521 help 522 This driver supports the built-in serial ports of the Blackfin family 523 of CPUs 524 525config SERIAL_BFIN_DMA 526 bool "DMA mode" 527 depends on !DMA_UNCACHED_NONE && KGDB_SERIAL_CONSOLE=n 528 help 529 This driver works under DMA mode. If this option is selected, the 530 blackfin simple dma driver is also enabled. 531 532config SERIAL_BFIN_PIO 533 bool "PIO mode" 534 help 535 This driver works under PIO mode. 536 537endchoice 538 539config SERIAL_BFIN_UART0 540 bool "Enable UART0" 541 depends on SERIAL_BFIN 542 help 543 Enable UART0 544 545config BFIN_UART0_CTSRTS 546 bool "Enable UART0 hardware flow control" 547 depends on SERIAL_BFIN_UART0 548 help 549 Enable hardware flow control in the driver. 550 551config SERIAL_BFIN_UART1 552 bool "Enable UART1" 553 depends on SERIAL_BFIN && (!BF531 && !BF532 && !BF533 && !BF561) 554 help 555 Enable UART1 556 557config BFIN_UART1_CTSRTS 558 bool "Enable UART1 hardware flow control" 559 depends on SERIAL_BFIN_UART1 560 help 561 Enable hardware flow control in the driver. 562 563config SERIAL_BFIN_UART2 564 bool "Enable UART2" 565 depends on SERIAL_BFIN && (BF54x || BF538 || BF539) 566 help 567 Enable UART2 568 569config BFIN_UART2_CTSRTS 570 bool "Enable UART2 hardware flow control" 571 depends on SERIAL_BFIN_UART2 572 help 573 Enable hardware flow control in the driver. 574 575config SERIAL_BFIN_UART3 576 bool "Enable UART3" 577 depends on SERIAL_BFIN && (BF54x) 578 help 579 Enable UART3 580 581config BFIN_UART3_CTSRTS 582 bool "Enable UART3 hardware flow control" 583 depends on SERIAL_BFIN_UART3 584 help 585 Enable hardware flow control in the driver. 586 587config SERIAL_IMX 588 tristate "IMX serial port support" 589 depends on HAS_DMA 590 depends on ARCH_MXC || COMPILE_TEST 591 select SERIAL_CORE 592 select RATIONAL 593 select SERIAL_MCTRL_GPIO if GPIOLIB 594 help 595 If you have a machine based on a Motorola IMX CPU you 596 can enable its onboard serial port by enabling this option. 597 598config SERIAL_IMX_CONSOLE 599 bool "Console on IMX serial port" 600 depends on SERIAL_IMX=y 601 select SERIAL_CORE_CONSOLE 602 select SERIAL_EARLYCON if OF 603 help 604 If you have enabled the serial port on the Freescale IMX 605 CPU you can make it the console by answering Y to this option. 606 607 Even if you say Y here, the currently visible virtual console 608 (/dev/tty0) will still be used as the system console by default, but 609 you can alter that using a kernel command line option such as 610 "console=ttymxc0". (Try "man bootparam" or see the documentation of 611 your bootloader about how to pass options to the kernel at boot time.) 612 613config SERIAL_UARTLITE 614 tristate "Xilinx uartlite serial port support" 615 depends on HAS_IOMEM 616 select SERIAL_CORE 617 help 618 Say Y here if you want to use the Xilinx uartlite serial controller. 619 620 To compile this driver as a module, choose M here: the 621 module will be called uartlite. 622 623config SERIAL_UARTLITE_CONSOLE 624 bool "Support for console on Xilinx uartlite serial port" 625 depends on SERIAL_UARTLITE=y 626 select SERIAL_CORE_CONSOLE 627 select SERIAL_EARLYCON 628 help 629 Say Y here if you wish to use a Xilinx uartlite as the system 630 console (the system console is the device which receives all kernel 631 messages and warnings and which allows logins in single user mode). 632 633config SERIAL_UARTLITE_NR_UARTS 634 int "Maximum number of uartlite serial ports" 635 depends on SERIAL_UARTLITE 636 range 1 256 637 default 1 638 help 639 Set this to the number of uartlites in your system, or the number 640 you think you might implement. 641 642config SERIAL_SUNCORE 643 bool 644 depends on SPARC 645 select SERIAL_CORE 646 select SERIAL_CORE_CONSOLE 647 default y 648 649config SERIAL_SUNZILOG 650 tristate "Sun Zilog8530 serial support" 651 depends on SPARC 652 help 653 This driver supports the Zilog8530 serial ports found on many Sparc 654 systems. Say Y or M if you want to be able to these serial ports. 655 656config SERIAL_SUNZILOG_CONSOLE 657 bool "Console on Sun Zilog8530 serial port" 658 depends on SERIAL_SUNZILOG=y 659 help 660 If you would like to be able to use the Zilog8530 serial port 661 on your Sparc system as the console, you can do so by answering 662 Y to this option. 663 664config SERIAL_SUNSU 665 tristate "Sun SU serial support" 666 depends on SPARC && PCI 667 help 668 This driver supports the 8250 serial ports that run the keyboard and 669 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able 670 to these serial ports. 671 672config SERIAL_SUNSU_CONSOLE 673 bool "Console on Sun SU serial port" 674 depends on SERIAL_SUNSU=y 675 help 676 If you would like to be able to use the SU serial port 677 on your Sparc system as the console, you can do so by answering 678 Y to this option. 679 680config SERIAL_MUX 681 tristate "Serial MUX support" 682 depends on GSC 683 select SERIAL_CORE 684 default y 685 ---help--- 686 Saying Y here will enable the hardware MUX serial driver for 687 the Nova, K class systems and D class with a 'remote control card'. 688 The hardware MUX is not 8250/16550 compatible therefore the 689 /dev/ttyB0 device is shared between the Serial MUX and the PDC 690 software console. The following steps need to be completed to use 691 the Serial MUX: 692 693 1. create the device entry (mknod /dev/ttyB0 c 11 0) 694 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 695 3. Add device ttyB0 to /etc/securetty (if you want to log on as 696 root on this console.) 697 4. Change the kernel command console parameter to: console=ttyB0 698 699config SERIAL_MUX_CONSOLE 700 bool "Support for console on serial MUX" 701 depends on SERIAL_MUX=y 702 select SERIAL_CORE_CONSOLE 703 default y 704 705config PDC_CONSOLE 706 bool "PDC software console support" 707 depends on PARISC && !SERIAL_MUX && VT 708 default n 709 help 710 Saying Y here will enable the software based PDC console to be 711 used as the system console. This is useful for machines in 712 which the hardware based console has not been written yet. The 713 following steps must be completed to use the PDC console: 714 715 1. create the device entry (mknod /dev/ttyB0 c 11 0) 716 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 717 3. Add device ttyB0 to /etc/securetty (if you want to log on as 718 root on this console.) 719 4. Change the kernel command console parameter to: console=ttyB0 720 721config SERIAL_SUNSAB 722 tristate "Sun Siemens SAB82532 serial support" 723 depends on SPARC && PCI 724 help 725 This driver supports the Siemens SAB82532 DUSCC serial ports on newer 726 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these 727 serial ports. 728 729config SERIAL_SUNSAB_CONSOLE 730 bool "Console on Sun Siemens SAB82532 serial port" 731 depends on SERIAL_SUNSAB=y 732 help 733 If you would like to be able to use the SAB82532 serial port 734 on your Sparc system as the console, you can do so by answering 735 Y to this option. 736 737config SERIAL_SUNHV 738 bool "Sun4v Hypervisor Console support" 739 depends on SPARC64 740 help 741 This driver supports the console device found on SUN4V Sparc 742 systems. Say Y if you want to be able to use this device. 743 744config SERIAL_IP22_ZILOG 745 tristate "SGI Zilog8530 serial support" 746 depends on SGI_HAS_ZILOG 747 select SERIAL_CORE 748 help 749 This driver supports the Zilog8530 serial ports found on SGI 750 systems. Say Y or M if you want to be able to these serial ports. 751 752config SERIAL_IP22_ZILOG_CONSOLE 753 bool "Console on SGI Zilog8530 serial port" 754 depends on SERIAL_IP22_ZILOG=y 755 select SERIAL_CORE_CONSOLE 756 757config SERIAL_SH_SCI 758 tristate "SuperH SCI(F) serial port support" 759 depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST 760 select SERIAL_CORE 761 select SERIAL_MCTRL_GPIO if GPIOLIB 762 763config SERIAL_SH_SCI_NR_UARTS 764 int "Maximum number of SCI(F) serial ports" if EXPERT 765 depends on SERIAL_SH_SCI 766 default "3" if H8300 767 default "10" if SUPERH 768 default "18" if ARCH_RENESAS 769 default "2" 770 771config SERIAL_SH_SCI_CONSOLE 772 bool "Support for console on SuperH SCI(F)" if EXPERT 773 depends on SERIAL_SH_SCI=y 774 select SERIAL_CORE_CONSOLE 775 default y 776 777config SERIAL_SH_SCI_EARLYCON 778 bool "Support for early console on SuperH SCI(F)" if EXPERT 779 depends on SERIAL_SH_SCI=y 780 select SERIAL_CORE_CONSOLE 781 select SERIAL_EARLYCON 782 default ARCH_RENESAS || H8300 783 784config SERIAL_SH_SCI_DMA 785 bool "DMA support" if EXPERT 786 depends on SERIAL_SH_SCI && DMA_ENGINE 787 default ARCH_RENESAS 788 789config SERIAL_PNX8XXX 790 bool "Enable PNX8XXX SoCs' UART Support" 791 depends on SOC_PNX833X 792 select SERIAL_CORE 793 help 794 If you have a MIPS-based Philips SoC such as PNX8330 and you want 795 to use serial ports, say Y. Otherwise, say N. 796 797config SERIAL_PNX8XXX_CONSOLE 798 bool "Enable PNX8XX0 serial console" 799 depends on SERIAL_PNX8XXX 800 select SERIAL_CORE_CONSOLE 801 help 802 If you have a MIPS-based Philips SoC such as PNX8330 and you want 803 to use serial console, say Y. Otherwise, say N. 804 805config SERIAL_HS_LPC32XX 806 tristate "LPC32XX high speed serial port support" 807 depends on ARCH_LPC32XX && OF 808 select SERIAL_CORE 809 help 810 Support for the LPC32XX high speed serial ports (up to 900kbps). 811 Those are UARTs completely different from the Standard UARTs on the 812 LPC32XX SoC. 813 Choose M or Y here to build this driver. 814 815config SERIAL_HS_LPC32XX_CONSOLE 816 bool "Enable LPC32XX high speed UART serial console" 817 depends on SERIAL_HS_LPC32XX=y 818 select SERIAL_CORE_CONSOLE 819 help 820 If you would like to be able to use one of the high speed serial 821 ports on the LPC32XX as the console, you can do so by answering 822 Y to this option. 823 824config SERIAL_CORE 825 tristate 826 827config SERIAL_CORE_CONSOLE 828 bool 829 830config CONSOLE_POLL 831 bool 832 833config SERIAL_MCF 834 bool "Coldfire serial support" 835 depends on COLDFIRE 836 select SERIAL_CORE 837 help 838 This serial driver supports the Freescale Coldfire serial ports. 839 840config SERIAL_MCF_BAUDRATE 841 int "Default baudrate for Coldfire serial ports" 842 depends on SERIAL_MCF 843 default 19200 844 help 845 This setting lets you define what the default baudrate is for the 846 ColdFire serial ports. The usual default varies from board to board, 847 and this setting is a way of catering for that. 848 849config SERIAL_MCF_CONSOLE 850 bool "Coldfire serial console support" 851 depends on SERIAL_MCF 852 select SERIAL_CORE_CONSOLE 853 help 854 Enable a ColdFire internal serial port to be the system console. 855 856config SERIAL_PMACZILOG 857 tristate "Mac or PowerMac z85c30 ESCC support" 858 depends on (M68K && MAC) || PPC_PMAC 859 select SERIAL_CORE 860 help 861 This driver supports the Zilog z85C30 serial ports found on 862 (Power)Mac machines. 863 Say Y or M if you want to be able to these serial ports. 864 865config SERIAL_PMACZILOG_TTYS 866 bool "Use ttySn device nodes for Zilog z85c30" 867 depends on SERIAL_PMACZILOG 868 help 869 The pmac_zilog driver for the z85C30 chip on many powermacs 870 historically used the device numbers for /dev/ttySn. The 871 8250 serial port driver also uses these numbers, which means 872 the two drivers being unable to coexist; you could not use 873 both z85C30 and 8250 type ports at the same time. 874 875 If this option is not selected, the pmac_zilog driver will 876 use the device numbers allocated for /dev/ttyPZn. This allows 877 the pmac_zilog and 8250 drivers to co-exist, but may cause 878 existing userspace setups to break. Programs that need to 879 access the built-in serial ports on powermacs will need to 880 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn. 881 882 If you enable this option, any z85c30 ports in the system will 883 be registered as ttyS0 onwards as in the past, and you will be 884 unable to use the 8250 module for PCMCIA or other 16C550-style 885 UARTs. 886 887 Say N unless you need the z85c30 ports on your (Power)Mac 888 to appear as /dev/ttySn. 889 890config SERIAL_PMACZILOG_CONSOLE 891 bool "Console on Mac or PowerMac z85c30 serial port" 892 depends on SERIAL_PMACZILOG=y 893 select SERIAL_CORE_CONSOLE 894 help 895 If you would like to be able to use the z85c30 serial port 896 on your (Power)Mac as the console, you can do so by answering 897 Y to this option. 898 899config SERIAL_CPM 900 tristate "CPM SCC/SMC serial port support" 901 depends on CPM2 || CPM1 902 select SERIAL_CORE 903 help 904 This driver supports the SCC and SMC serial ports on Motorola 905 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx) 906 907config SERIAL_CPM_CONSOLE 908 bool "Support for console on CPM SCC/SMC serial port" 909 depends on SERIAL_CPM=y 910 select SERIAL_CORE_CONSOLE 911 help 912 Say Y here if you wish to use a SCC or SMC CPM UART as the system 913 console (the system console is the device which receives all kernel 914 messages and warnings and which allows logins in single user mode). 915 916 Even if you say Y here, the currently visible framebuffer console 917 (/dev/tty0) will still be used as the system console by default, but 918 you can alter that using a kernel command line option such as 919 "console=ttyCPM0". (Try "man bootparam" or see the documentation of 920 your boot loader (lilo or loadlin) about how to pass options to the 921 kernel at boot time.) 922 923config SERIAL_SGI_L1_CONSOLE 924 bool "SGI Altix L1 serial console support" 925 depends on IA64_GENERIC || IA64_SGI_SN2 926 select SERIAL_CORE 927 select SERIAL_CORE_CONSOLE 928 help 929 If you have an SGI Altix and you would like to use the system 930 controller serial port as your console (you want this!), 931 say Y. Otherwise, say N. 932 933config SERIAL_PIC32 934 tristate "Microchip PIC32 serial support" 935 depends on MACH_PIC32 936 select SERIAL_CORE 937 help 938 If you have a PIC32, this driver supports the serial ports. 939 940 Say Y or M to use PIC32 serial ports, otherwise say N. Note that 941 to use a serial port as a console, this must be included in kernel and 942 not as a module. 943 944config SERIAL_PIC32_CONSOLE 945 bool "PIC32 serial console support" 946 depends on SERIAL_PIC32 947 select SERIAL_CORE_CONSOLE 948 help 949 If you have a PIC32, this driver supports the putting a console on one 950 of the serial ports. 951 952 Say Y to use the PIC32 console, otherwise say N. 953 954config SERIAL_MPC52xx 955 tristate "Freescale MPC52xx/MPC512x family PSC serial support" 956 depends on PPC_MPC52xx || PPC_MPC512x 957 select SERIAL_CORE 958 help 959 This driver supports MPC52xx and MPC512x PSC serial ports. If you would 960 like to use them, you must answer Y or M to this option. Note that 961 for use as console, it must be included in kernel and not as a 962 module. 963 964config SERIAL_MPC52xx_CONSOLE 965 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port" 966 depends on SERIAL_MPC52xx=y 967 select SERIAL_CORE_CONSOLE 968 help 969 Select this options if you'd like to use one of the PSC serial port 970 of the Freescale MPC52xx family as a console. 971 972config SERIAL_MPC52xx_CONSOLE_BAUD 973 int "Freescale MPC52xx/MPC512x family PSC serial port baud" 974 depends on SERIAL_MPC52xx_CONSOLE=y 975 default "9600" 976 help 977 Select the MPC52xx console baud rate. 978 This value is only used if the bootloader doesn't pass in the 979 console baudrate 980 981config SERIAL_ICOM 982 tristate "IBM Multiport Serial Adapter" 983 depends on PCI && PPC_PSERIES 984 select SERIAL_CORE 985 select FW_LOADER 986 help 987 This driver is for a family of multiport serial adapters 988 including 2 port RVX, 2 port internal modem, 4 port internal 989 modem and a split 1 port RVX and 1 port internal modem. 990 991 This driver can also be built as a module. If so, the module 992 will be called icom. 993 994config SERIAL_M32R_SIO 995 bool "M32R SIO I/F" 996 depends on M32R 997 default y 998 select SERIAL_CORE 999 help 1000 Say Y here if you want to use the M32R serial controller. 1001 1002config SERIAL_M32R_SIO_CONSOLE 1003 bool "use SIO console" 1004 depends on SERIAL_M32R_SIO=y 1005 select SERIAL_CORE_CONSOLE 1006 help 1007 Say Y here if you want to support a serial console. 1008 1009 If you use an M3T-M32700UT or an OPSPUT platform, 1010 please say also y for SERIAL_M32R_PLDSIO. 1011 1012config SERIAL_M32R_PLDSIO 1013 bool "M32R SIO I/F on a PLD" 1014 depends on SERIAL_M32R_SIO=y && (PLAT_OPSPUT || PLAT_USRV || PLAT_M32700UT) 1015 default n 1016 help 1017 Say Y here if you want to use the M32R serial controller 1018 on a PLD (Programmable Logic Device). 1019 1020 If you use an M3T-M32700UT or an OPSPUT platform, 1021 please say Y. 1022 1023config SERIAL_TXX9 1024 bool "TMPTX39XX/49XX SIO support" 1025 depends on HAS_TXX9_SERIAL 1026 select SERIAL_CORE 1027 default y 1028 1029config HAS_TXX9_SERIAL 1030 bool 1031 1032config SERIAL_TXX9_NR_UARTS 1033 int "Maximum number of TMPTX39XX/49XX SIO ports" 1034 depends on SERIAL_TXX9 1035 default "6" 1036 1037config SERIAL_TXX9_CONSOLE 1038 bool "TMPTX39XX/49XX SIO Console support" 1039 depends on SERIAL_TXX9=y 1040 select SERIAL_CORE_CONSOLE 1041 1042config SERIAL_TXX9_STDSERIAL 1043 bool "TX39XX/49XX SIO act as standard serial" 1044 depends on !SERIAL_8250 && SERIAL_TXX9 1045 1046config SERIAL_VR41XX 1047 tristate "NEC VR4100 series Serial Interface Unit support" 1048 depends on CPU_VR41XX 1049 select SERIAL_CORE 1050 help 1051 If you have a NEC VR4100 series processor and you want to use 1052 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) 1053 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. 1054 1055config SERIAL_VR41XX_CONSOLE 1056 bool "Enable NEC VR4100 series Serial Interface Unit console" 1057 depends on SERIAL_VR41XX=y 1058 select SERIAL_CORE_CONSOLE 1059 help 1060 If you have a NEC VR4100 series processor and you want to use 1061 a console on a serial port, say Y. Otherwise, say N. 1062 1063config SERIAL_JSM 1064 tristate "Digi International NEO and Classic PCI Support" 1065 depends on PCI 1066 select SERIAL_CORE 1067 help 1068 This is a driver for Digi International's Neo and Classic series 1069 of cards which provide multiple serial ports. You would need 1070 something like this to connect more than two modems to your Linux 1071 box, for instance in order to become a dial-in server. This driver 1072 supports PCI boards only. 1073 1074 If you have a card like this, say Y here, otherwise say N. 1075 1076 To compile this driver as a module, choose M here: the 1077 module will be called jsm. 1078 1079config SERIAL_SGI_IOC4 1080 tristate "SGI IOC4 controller serial support" 1081 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4 1082 select SERIAL_CORE 1083 help 1084 If you have an SGI Altix with an IOC4 based Base IO card 1085 and wish to use the serial ports on this card, say Y. 1086 Otherwise, say N. 1087 1088config SERIAL_SGI_IOC3 1089 tristate "SGI Altix IOC3 serial support" 1090 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3 1091 select SERIAL_CORE 1092 help 1093 If you have an SGI Altix with an IOC3 serial card, 1094 say Y or M. Otherwise, say N. 1095 1096config SERIAL_MSM 1097 tristate "MSM on-chip serial port support" 1098 depends on ARCH_QCOM 1099 select SERIAL_CORE 1100 1101config SERIAL_MSM_CONSOLE 1102 bool "MSM serial console support" 1103 depends on SERIAL_MSM=y 1104 select SERIAL_CORE_CONSOLE 1105 select SERIAL_EARLYCON 1106 1107config SERIAL_VT8500 1108 bool "VIA VT8500 on-chip serial port support" 1109 depends on ARCH_VT8500 1110 select SERIAL_CORE 1111 1112config SERIAL_VT8500_CONSOLE 1113 bool "VIA VT8500 serial console support" 1114 depends on SERIAL_VT8500=y 1115 select SERIAL_CORE_CONSOLE 1116 1117config SERIAL_ETRAXFS 1118 bool "ETRAX FS serial port support" 1119 depends on ETRAX_ARCH_V32 && OF 1120 select SERIAL_CORE 1121 select SERIAL_MCTRL_GPIO if GPIOLIB 1122 1123config SERIAL_ETRAXFS_CONSOLE 1124 bool "ETRAX FS serial console support" 1125 depends on SERIAL_ETRAXFS 1126 select SERIAL_CORE_CONSOLE 1127 1128config SERIAL_NETX 1129 tristate "NetX serial port support" 1130 depends on ARCH_NETX 1131 select SERIAL_CORE 1132 help 1133 If you have a machine based on a Hilscher NetX SoC you 1134 can enable its onboard serial port by enabling this option. 1135 1136 To compile this driver as a module, choose M here: the 1137 module will be called netx-serial. 1138 1139config SERIAL_NETX_CONSOLE 1140 bool "Console on NetX serial port" 1141 depends on SERIAL_NETX=y 1142 select SERIAL_CORE_CONSOLE 1143 help 1144 If you have enabled the serial port on the Hilscher NetX SoC 1145 you can make it the console by answering Y to this option. 1146 1147config SERIAL_OMAP 1148 tristate "OMAP serial port support" 1149 depends on ARCH_OMAP2PLUS 1150 select SERIAL_CORE 1151 help 1152 If you have a machine based on an Texas Instruments OMAP CPU you 1153 can enable its onboard serial ports by enabling this option. 1154 1155 By enabling this option you take advantage of dma feature available 1156 with the omap-serial driver. DMA support can be enabled from platform 1157 data. 1158 1159config SERIAL_OMAP_CONSOLE 1160 bool "Console on OMAP serial port" 1161 depends on SERIAL_OMAP=y 1162 select SERIAL_CORE_CONSOLE 1163 help 1164 Select this option if you would like to use omap serial port as 1165 console. 1166 1167 Even if you say Y here, the currently visible virtual console 1168 (/dev/tty0) will still be used as the system console by default, but 1169 you can alter that using a kernel command line option such as 1170 "console=ttyOx". (Try "man bootparam" or see the documentation of 1171 your boot loader about how to pass options to the kernel at 1172 boot time.) 1173 1174config SERIAL_LANTIQ 1175 bool "Lantiq serial driver" 1176 depends on LANTIQ 1177 select SERIAL_CORE 1178 select SERIAL_CORE_CONSOLE 1179 select SERIAL_EARLYCON 1180 help 1181 Support for console and UART on Lantiq SoCs. 1182 1183config SERIAL_QE 1184 tristate "Freescale QUICC Engine serial port support" 1185 depends on QUICC_ENGINE 1186 select SERIAL_CORE 1187 select FW_LOADER 1188 default n 1189 help 1190 This driver supports the QE serial ports on Freescale embedded 1191 PowerPC that contain a QUICC Engine. 1192 1193config SERIAL_SCCNXP 1194 tristate "SCCNXP serial port support" 1195 select SERIAL_CORE 1196 help 1197 This selects support for an advanced UART from NXP (Philips). 1198 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, 1199 SC28L202, SCC68681 and SCC68692. 1200 1201config SERIAL_SCCNXP_CONSOLE 1202 bool "Console on SCCNXP serial port" 1203 depends on SERIAL_SCCNXP=y 1204 select SERIAL_CORE_CONSOLE 1205 help 1206 Support for console on SCCNXP serial ports. 1207 1208config SERIAL_SC16IS7XX_CORE 1209 tristate 1210 1211config SERIAL_SC16IS7XX 1212 tristate "SC16IS7xx serial support" 1213 select SERIAL_CORE 1214 depends on (SPI_MASTER && !I2C) || I2C 1215 help 1216 This selects support for SC16IS7xx serial ports. 1217 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, 1218 SC16IS760 and SC16IS762. Select supported buses using options below. 1219 1220config SERIAL_SC16IS7XX_I2C 1221 bool "SC16IS7xx for I2C interface" 1222 depends on SERIAL_SC16IS7XX 1223 depends on I2C 1224 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1225 select REGMAP_I2C if I2C 1226 default y 1227 help 1228 Enable SC16IS7xx driver on I2C bus, 1229 If required say y, and say n to i2c if not required, 1230 Enabled by default to support oldconfig. 1231 You must select at least one bus for the driver to be built. 1232 1233config SERIAL_SC16IS7XX_SPI 1234 bool "SC16IS7xx for spi interface" 1235 depends on SERIAL_SC16IS7XX 1236 depends on SPI_MASTER 1237 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1238 select REGMAP_SPI if SPI_MASTER 1239 help 1240 Enable SC16IS7xx driver on SPI bus, 1241 If required say y, and say n to spi if not required, 1242 This is additional support to exsisting driver. 1243 You must select at least one bus for the driver to be built. 1244 1245config SERIAL_BFIN_SPORT 1246 tristate "Blackfin SPORT emulate UART" 1247 depends on BLACKFIN 1248 select SERIAL_CORE 1249 help 1250 Enable SPORT emulate UART on Blackfin series. 1251 1252 To compile this driver as a module, choose M here: the 1253 module will be called bfin_sport_uart. 1254 1255config SERIAL_BFIN_SPORT_CONSOLE 1256 bool "Console on Blackfin sport emulated uart" 1257 depends on SERIAL_BFIN_SPORT=y 1258 select SERIAL_CORE_CONSOLE 1259 1260config SERIAL_BFIN_SPORT0_UART 1261 bool "Enable UART over SPORT0" 1262 depends on SERIAL_BFIN_SPORT && !(BF542 || BF544) 1263 help 1264 Enable UART over SPORT0 1265 1266config SERIAL_BFIN_SPORT0_UART_CTSRTS 1267 bool "Enable UART over SPORT0 hardware flow control" 1268 depends on SERIAL_BFIN_SPORT0_UART 1269 help 1270 Enable hardware flow control in the driver. 1271 1272config SERIAL_BFIN_SPORT1_UART 1273 bool "Enable UART over SPORT1" 1274 depends on SERIAL_BFIN_SPORT 1275 help 1276 Enable UART over SPORT1 1277 1278config SERIAL_BFIN_SPORT1_UART_CTSRTS 1279 bool "Enable UART over SPORT1 hardware flow control" 1280 depends on SERIAL_BFIN_SPORT1_UART 1281 help 1282 Enable hardware flow control in the driver. 1283 1284config SERIAL_BFIN_SPORT2_UART 1285 bool "Enable UART over SPORT2" 1286 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1287 help 1288 Enable UART over SPORT2 1289 1290config SERIAL_BFIN_SPORT2_UART_CTSRTS 1291 bool "Enable UART over SPORT2 hardware flow control" 1292 depends on SERIAL_BFIN_SPORT2_UART 1293 help 1294 Enable hardware flow control in the driver. 1295 1296config SERIAL_BFIN_SPORT3_UART 1297 bool "Enable UART over SPORT3" 1298 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1299 help 1300 Enable UART over SPORT3 1301 1302config SERIAL_BFIN_SPORT3_UART_CTSRTS 1303 bool "Enable UART over SPORT3 hardware flow control" 1304 depends on SERIAL_BFIN_SPORT3_UART 1305 help 1306 Enable hardware flow control in the driver. 1307 1308config SERIAL_TIMBERDALE 1309 tristate "Support for timberdale UART" 1310 select SERIAL_CORE 1311 depends on X86_32 || COMPILE_TEST 1312 ---help--- 1313 Add support for UART controller on timberdale. 1314 1315config SERIAL_BCM63XX 1316 tristate "Broadcom BCM63xx/BCM33xx UART support" 1317 select SERIAL_CORE 1318 depends on MIPS || ARM || COMPILE_TEST 1319 help 1320 This enables the driver for the onchip UART core found on 1321 the following chipsets: 1322 1323 BCM33xx (cable modem) 1324 BCM63xx/BCM63xxx (DSL) 1325 BCM68xx (PON) 1326 BCM7xxx (STB) - DOCSIS console 1327 1328config SERIAL_BCM63XX_CONSOLE 1329 bool "Console on BCM63xx serial port" 1330 depends on SERIAL_BCM63XX=y 1331 select SERIAL_CORE_CONSOLE 1332 select SERIAL_EARLYCON 1333 help 1334 If you have enabled the serial port on the BCM63xx CPU 1335 you can make it the console by answering Y to this option. 1336 1337config SERIAL_GRLIB_GAISLER_APBUART 1338 tristate "GRLIB APBUART serial support" 1339 depends on OF && SPARC 1340 select SERIAL_CORE 1341 ---help--- 1342 Add support for the GRLIB APBUART serial port. 1343 1344config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE 1345 bool "Console on GRLIB APBUART serial port" 1346 depends on SERIAL_GRLIB_GAISLER_APBUART=y 1347 select SERIAL_CORE_CONSOLE 1348 help 1349 Support for running a console on the GRLIB APBUART 1350 1351config SERIAL_ALTERA_JTAGUART 1352 tristate "Altera JTAG UART support" 1353 select SERIAL_CORE 1354 help 1355 This driver supports the Altera JTAG UART port. 1356 1357config SERIAL_ALTERA_JTAGUART_CONSOLE 1358 bool "Altera JTAG UART console support" 1359 depends on SERIAL_ALTERA_JTAGUART=y 1360 select SERIAL_CORE_CONSOLE 1361 select SERIAL_EARLYCON 1362 help 1363 Enable a Altera JTAG UART port to be the system console. 1364 1365config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS 1366 bool "Bypass output when no connection" 1367 depends on SERIAL_ALTERA_JTAGUART_CONSOLE 1368 select SERIAL_CORE_CONSOLE 1369 help 1370 Bypass console output and keep going even if there is no 1371 JTAG terminal connection with the host. 1372 1373config SERIAL_ALTERA_UART 1374 tristate "Altera UART support" 1375 select SERIAL_CORE 1376 help 1377 This driver supports the Altera softcore UART port. 1378 1379config SERIAL_ALTERA_UART_MAXPORTS 1380 int "Maximum number of Altera UART ports" 1381 depends on SERIAL_ALTERA_UART 1382 default 4 1383 help 1384 This setting lets you define the maximum number of the Altera 1385 UART ports. The usual default varies from board to board, and 1386 this setting is a way of catering for that. 1387 1388config SERIAL_ALTERA_UART_BAUDRATE 1389 int "Default baudrate for Altera UART ports" 1390 depends on SERIAL_ALTERA_UART 1391 default 115200 1392 help 1393 This setting lets you define what the default baudrate is for the 1394 Altera UART ports. The usual default varies from board to board, 1395 and this setting is a way of catering for that. 1396 1397config SERIAL_ALTERA_UART_CONSOLE 1398 bool "Altera UART console support" 1399 depends on SERIAL_ALTERA_UART=y 1400 select SERIAL_CORE_CONSOLE 1401 select SERIAL_EARLYCON 1402 help 1403 Enable a Altera UART port to be the system console. 1404 1405config SERIAL_IFX6X60 1406 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" 1407 depends on GPIOLIB || COMPILE_TEST 1408 depends on SPI && HAS_DMA 1409 help 1410 Support for the IFX6x60 modem devices on Intel MID platforms. 1411 1412config SERIAL_PCH_UART 1413 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" 1414 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 1415 select SERIAL_CORE 1416 help 1417 This driver is for PCH(Platform controller Hub) UART of Intel EG20T 1418 which is an IOH(Input/Output Hub) for x86 embedded processor. 1419 Enabling PCH_DMA, this PCH UART works as DMA mode. 1420 1421 This driver also can be used for LAPIS Semiconductor IOH(Input/ 1422 Output Hub), ML7213, ML7223 and ML7831. 1423 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 1424 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 1425 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1426 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1427 1428config SERIAL_PCH_UART_CONSOLE 1429 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH" 1430 depends on SERIAL_PCH_UART=y 1431 select SERIAL_CORE_CONSOLE 1432 help 1433 Say Y here if you wish to use the PCH UART as the system console 1434 (the system console is the device which receives all kernel messages and 1435 warnings and which allows logins in single user mode). 1436 1437config SERIAL_MXS_AUART 1438 tristate "MXS AUART support" 1439 depends on HAS_DMA 1440 depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST 1441 select SERIAL_CORE 1442 select SERIAL_MCTRL_GPIO if GPIOLIB 1443 help 1444 This driver supports the MXS and Alphascale ASM9260 Application 1445 UART (AUART) port. 1446 1447config SERIAL_MXS_AUART_CONSOLE 1448 bool "MXS AUART console support" 1449 depends on SERIAL_MXS_AUART=y 1450 select SERIAL_CORE_CONSOLE 1451 help 1452 Enable a MXS AUART port to be the system console. 1453 1454config SERIAL_XILINX_PS_UART 1455 tristate "Cadence (Xilinx Zynq) UART support" 1456 depends on OF 1457 select SERIAL_CORE 1458 help 1459 This driver supports the Cadence UART. It is found e.g. in Xilinx 1460 Zynq. 1461 1462config SERIAL_XILINX_PS_UART_CONSOLE 1463 bool "Cadence UART console support" 1464 depends on SERIAL_XILINX_PS_UART=y 1465 select SERIAL_CORE_CONSOLE 1466 select SERIAL_EARLYCON 1467 help 1468 Enable a Cadence UART port to be the system console. 1469 1470config SERIAL_AR933X 1471 tristate "AR933X serial port support" 1472 depends on HAVE_CLK && SOC_AR933X 1473 select SERIAL_CORE 1474 help 1475 If you have an Atheros AR933X SOC based board and want to use the 1476 built-in UART of the SoC, say Y to this option. 1477 1478 To compile this driver as a module, choose M here: the 1479 module will be called ar933x_uart. 1480 1481config SERIAL_AR933X_CONSOLE 1482 bool "Console on AR933X serial port" 1483 depends on SERIAL_AR933X=y 1484 select SERIAL_CORE_CONSOLE 1485 help 1486 Enable a built-in UART port of the AR933X to be the system console. 1487 1488config SERIAL_AR933X_NR_UARTS 1489 int "Maximum number of AR933X serial ports" 1490 depends on SERIAL_AR933X 1491 default "2" 1492 help 1493 Set this to the number of serial ports you want the driver 1494 to support. 1495 1496config SERIAL_EFM32_UART 1497 tristate "EFM32 UART/USART port" 1498 depends on ARM && (ARCH_EFM32 || COMPILE_TEST) 1499 select SERIAL_CORE 1500 help 1501 This driver support the USART and UART ports on 1502 Energy Micro's efm32 SoCs. 1503 1504config SERIAL_MPS2_UART_CONSOLE 1505 bool "MPS2 UART console support" 1506 depends on SERIAL_MPS2_UART 1507 select SERIAL_CORE_CONSOLE 1508 select SERIAL_EARLYCON 1509 1510config SERIAL_MPS2_UART 1511 bool "MPS2 UART port" 1512 depends on ARCH_MPS2 || COMPILE_TEST 1513 select SERIAL_CORE 1514 help 1515 This driver support the UART ports on ARM MPS2. 1516 1517config SERIAL_EFM32_UART_CONSOLE 1518 bool "EFM32 UART/USART console support" 1519 depends on SERIAL_EFM32_UART=y 1520 select SERIAL_CORE_CONSOLE 1521 1522config SERIAL_TILEGX 1523 tristate "TILE-Gx on-chip serial port support" 1524 depends on TILEGX 1525 select TILE_GXIO_UART 1526 select SERIAL_CORE 1527 ---help--- 1528 This device provides access to the on-chip UARTs on the TILE-Gx 1529 processor. 1530 1531config SERIAL_ARC 1532 tristate "ARC UART driver support" 1533 select SERIAL_CORE 1534 help 1535 Driver for on-chip UART for ARC(Synopsys) for the legacy 1536 FPGA Boards (ML50x/ARCAngel4) 1537 1538config SERIAL_ARC_CONSOLE 1539 bool "Console on ARC UART" 1540 depends on SERIAL_ARC=y 1541 select SERIAL_CORE_CONSOLE 1542 select SERIAL_EARLYCON 1543 help 1544 Enable system Console on ARC UART 1545 1546config SERIAL_ARC_NR_PORTS 1547 int "Number of ARC UART ports" 1548 depends on SERIAL_ARC 1549 range 1 3 1550 default "1" 1551 help 1552 Set this to the number of serial ports you want the driver 1553 to support. 1554 1555config SERIAL_RP2 1556 tristate "Comtrol RocketPort EXPRESS/INFINITY support" 1557 depends on PCI 1558 select SERIAL_CORE 1559 help 1560 This driver supports the Comtrol RocketPort EXPRESS and 1561 RocketPort INFINITY families of PCI/PCIe multiport serial adapters. 1562 These adapters use a "RocketPort 2" ASIC that is not compatible 1563 with the original RocketPort driver (CONFIG_ROCKETPORT). 1564 1565 To compile this driver as a module, choose M here: the 1566 module will be called rp2. 1567 1568 If you want to compile this driver into the kernel, say Y here. If 1569 you don't have a suitable RocketPort card installed, say N. 1570 1571config SERIAL_RP2_NR_UARTS 1572 int "Maximum number of RocketPort EXPRESS/INFINITY ports" 1573 depends on SERIAL_RP2 1574 default "32" 1575 help 1576 If multiple cards are present, the default limit of 32 ports may 1577 need to be increased. 1578 1579config SERIAL_FSL_LPUART 1580 tristate "Freescale lpuart serial port support" 1581 depends on HAS_DMA 1582 select SERIAL_CORE 1583 help 1584 Support for the on-chip lpuart on some Freescale SOCs. 1585 1586config SERIAL_FSL_LPUART_CONSOLE 1587 bool "Console on Freescale lpuart serial port" 1588 depends on SERIAL_FSL_LPUART=y 1589 select SERIAL_CORE_CONSOLE 1590 select SERIAL_EARLYCON 1591 help 1592 If you have enabled the lpuart serial port on the Freescale SoCs, 1593 you can make it the console by answering Y to this option. 1594 1595config SERIAL_CONEXANT_DIGICOLOR 1596 tristate "Conexant Digicolor CX92xxx USART serial port support" 1597 depends on OF 1598 select SERIAL_CORE 1599 help 1600 Support for the on-chip USART on Conexant Digicolor SoCs. 1601 1602config SERIAL_CONEXANT_DIGICOLOR_CONSOLE 1603 bool "Console on Conexant Digicolor serial port" 1604 depends on SERIAL_CONEXANT_DIGICOLOR=y 1605 select SERIAL_CORE_CONSOLE 1606 help 1607 If you have enabled the USART serial port on Conexant Digicolor 1608 SoCs, you can make it the console by answering Y to this option. 1609 1610config SERIAL_ST_ASC 1611 tristate "ST ASC serial port support" 1612 select SERIAL_CORE 1613 depends on ARM || COMPILE_TEST 1614 help 1615 This driver is for the on-chip Asychronous Serial Controller on 1616 STMicroelectronics STi SoCs. 1617 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality. 1618 It support all industry standard baud rates. 1619 1620 If unsure, say N. 1621 1622config SERIAL_ST_ASC_CONSOLE 1623 bool "Support for console on ST ASC" 1624 depends on SERIAL_ST_ASC=y 1625 select SERIAL_CORE_CONSOLE 1626 1627config SERIAL_MEN_Z135 1628 tristate "MEN 16z135 Support" 1629 select SERIAL_CORE 1630 depends on MCB 1631 help 1632 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core 1633 on a MCB carrier. 1634 1635 This driver can also be build as a module. If so, the module will be called 1636 men_z135_uart.ko 1637 1638config SERIAL_SPRD 1639 tristate "Support for Spreadtrum serial" 1640 depends on ARCH_SPRD 1641 select SERIAL_CORE 1642 help 1643 This enables the driver for the Spreadtrum's serial. 1644 1645config SERIAL_SPRD_CONSOLE 1646 bool "Spreadtrum UART console support" 1647 depends on SERIAL_SPRD=y 1648 select SERIAL_CORE_CONSOLE 1649 select SERIAL_EARLYCON 1650 help 1651 Support for early debug console using Spreadtrum's serial. This enables 1652 the console before standard serial driver is probed. This is enabled 1653 with "earlycon" on the kernel command line. The console is 1654 enabled when early_param is processed. 1655 1656config SERIAL_STM32 1657 tristate "STMicroelectronics STM32 serial port support" 1658 select SERIAL_CORE 1659 depends on HAS_DMA 1660 depends on ARCH_STM32 || COMPILE_TEST 1661 help 1662 This driver is for the on-chip Serial Controller on 1663 STMicroelectronics STM32 MCUs. 1664 USART supports Rx & Tx functionality. 1665 It support all industry standard baud rates. 1666 1667 If unsure, say N. 1668 1669config SERIAL_STM32_CONSOLE 1670 bool "Support for console on STM32" 1671 depends on SERIAL_STM32=y 1672 select SERIAL_CORE_CONSOLE 1673 1674config SERIAL_MVEBU_UART 1675 bool "Marvell EBU serial port support" 1676 depends on ARCH_MVEBU || COMPILE_TEST 1677 select SERIAL_CORE 1678 help 1679 This driver is for Marvell EBU SoC's UART. If you have a machine 1680 based on the Armada-3700 SoC and wish to use the on-board serial 1681 port, 1682 say 'Y' here. 1683 Otherwise, say 'N'. 1684 1685config SERIAL_MVEBU_CONSOLE 1686 bool "Console on Marvell EBU serial port" 1687 depends on SERIAL_MVEBU_UART 1688 select SERIAL_CORE_CONSOLE 1689 select SERIAL_EARLYCON 1690 default y 1691 help 1692 Say 'Y' here if you wish to use Armada-3700 UART as the system console. 1693 (the system console is the device which receives all kernel messages 1694 and warnings and which allows logins in single user mode) 1695 Otherwise, say 'N'. 1696 1697config SERIAL_OWL 1698 tristate "Actions Semi Owl serial port support" 1699 depends on ARCH_ACTIONS || COMPILE_TEST 1700 select SERIAL_CORE 1701 help 1702 This driver is for Actions Semiconductor S500/S900 SoC's UART. 1703 Say 'Y' here if you wish to use the on-board serial port. 1704 Otherwise, say 'N'. 1705 1706config SERIAL_OWL_CONSOLE 1707 bool "Console on Actions Semi Owl serial port" 1708 depends on SERIAL_OWL=y 1709 select SERIAL_CORE_CONSOLE 1710 select SERIAL_EARLYCON 1711 default y 1712 help 1713 Say 'Y' here if you wish to use Actions Semiconductor S500/S900 UART 1714 as the system console. 1715 1716endmenu 1717 1718config SERIAL_MCTRL_GPIO 1719 tristate 1720 1721endif # TTY 1722