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_IMX 502 tristate "IMX serial port support" 503 depends on HAS_DMA 504 depends on ARCH_MXC || COMPILE_TEST 505 select SERIAL_CORE 506 select RATIONAL 507 select SERIAL_MCTRL_GPIO if GPIOLIB 508 help 509 If you have a machine based on a Motorola IMX CPU you 510 can enable its onboard serial port by enabling this option. 511 512config SERIAL_IMX_CONSOLE 513 bool "Console on IMX serial port" 514 depends on SERIAL_IMX=y 515 select SERIAL_CORE_CONSOLE 516 select SERIAL_EARLYCON if OF 517 help 518 If you have enabled the serial port on the Freescale IMX 519 CPU you can make it the console by answering Y to this option. 520 521 Even if you say Y here, the currently visible virtual console 522 (/dev/tty0) will still be used as the system console by default, but 523 you can alter that using a kernel command line option such as 524 "console=ttymxc0". (Try "man bootparam" or see the documentation of 525 your bootloader about how to pass options to the kernel at boot time.) 526 527config SERIAL_UARTLITE 528 tristate "Xilinx uartlite serial port support" 529 depends on HAS_IOMEM 530 select SERIAL_CORE 531 help 532 Say Y here if you want to use the Xilinx uartlite serial controller. 533 534 To compile this driver as a module, choose M here: the 535 module will be called uartlite. 536 537config SERIAL_UARTLITE_CONSOLE 538 bool "Support for console on Xilinx uartlite serial port" 539 depends on SERIAL_UARTLITE=y 540 select SERIAL_CORE_CONSOLE 541 select SERIAL_EARLYCON 542 help 543 Say Y here if you wish to use a Xilinx uartlite as the system 544 console (the system console is the device which receives all kernel 545 messages and warnings and which allows logins in single user mode). 546 547config SERIAL_UARTLITE_NR_UARTS 548 int "Maximum number of uartlite serial ports" 549 depends on SERIAL_UARTLITE 550 range 1 256 551 default 1 552 help 553 Set this to the number of uartlites in your system, or the number 554 you think you might implement. 555 556config SERIAL_SUNCORE 557 bool 558 depends on SPARC 559 select SERIAL_CORE 560 select SERIAL_CORE_CONSOLE 561 default y 562 563config SERIAL_SUNZILOG 564 tristate "Sun Zilog8530 serial support" 565 depends on SPARC 566 help 567 This driver supports the Zilog8530 serial ports found on many Sparc 568 systems. Say Y or M if you want to be able to these serial ports. 569 570config SERIAL_SUNZILOG_CONSOLE 571 bool "Console on Sun Zilog8530 serial port" 572 depends on SERIAL_SUNZILOG=y 573 help 574 If you would like to be able to use the Zilog8530 serial port 575 on your Sparc system as the console, you can do so by answering 576 Y to this option. 577 578config SERIAL_SUNSU 579 tristate "Sun SU serial support" 580 depends on SPARC && PCI 581 help 582 This driver supports the 8250 serial ports that run the keyboard and 583 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able 584 to these serial ports. 585 586config SERIAL_SUNSU_CONSOLE 587 bool "Console on Sun SU serial port" 588 depends on SERIAL_SUNSU=y 589 help 590 If you would like to be able to use the SU serial port 591 on your Sparc system as the console, you can do so by answering 592 Y to this option. 593 594config SERIAL_MUX 595 tristate "Serial MUX support" 596 depends on GSC 597 select SERIAL_CORE 598 default y 599 ---help--- 600 Saying Y here will enable the hardware MUX serial driver for 601 the Nova, K class systems and D class with a 'remote control card'. 602 The hardware MUX is not 8250/16550 compatible therefore the 603 /dev/ttyB0 device is shared between the Serial MUX and the PDC 604 software console. The following steps need to be completed to use 605 the Serial MUX: 606 607 1. create the device entry (mknod /dev/ttyB0 c 11 0) 608 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 609 3. Add device ttyB0 to /etc/securetty (if you want to log on as 610 root on this console.) 611 4. Change the kernel command console parameter to: console=ttyB0 612 613config SERIAL_MUX_CONSOLE 614 bool "Support for console on serial MUX" 615 depends on SERIAL_MUX=y 616 select SERIAL_CORE_CONSOLE 617 default y 618 619config PDC_CONSOLE 620 bool "PDC software console support" 621 depends on PARISC && !SERIAL_MUX && VT 622 default n 623 help 624 Saying Y here will enable the software based PDC console to be 625 used as the system console. This is useful for machines in 626 which the hardware based console has not been written yet. The 627 following steps must be completed to use the PDC console: 628 629 1. create the device entry (mknod /dev/ttyB0 c 11 0) 630 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 631 3. Add device ttyB0 to /etc/securetty (if you want to log on as 632 root on this console.) 633 4. Change the kernel command console parameter to: console=ttyB0 634 635config SERIAL_SUNSAB 636 tristate "Sun Siemens SAB82532 serial support" 637 depends on SPARC && PCI 638 help 639 This driver supports the Siemens SAB82532 DUSCC serial ports on newer 640 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these 641 serial ports. 642 643config SERIAL_SUNSAB_CONSOLE 644 bool "Console on Sun Siemens SAB82532 serial port" 645 depends on SERIAL_SUNSAB=y 646 help 647 If you would like to be able to use the SAB82532 serial port 648 on your Sparc system as the console, you can do so by answering 649 Y to this option. 650 651config SERIAL_SUNHV 652 bool "Sun4v Hypervisor Console support" 653 depends on SPARC64 654 help 655 This driver supports the console device found on SUN4V Sparc 656 systems. Say Y if you want to be able to use this device. 657 658config SERIAL_IP22_ZILOG 659 tristate "SGI Zilog8530 serial support" 660 depends on SGI_HAS_ZILOG 661 select SERIAL_CORE 662 help 663 This driver supports the Zilog8530 serial ports found on SGI 664 systems. Say Y or M if you want to be able to these serial ports. 665 666config SERIAL_IP22_ZILOG_CONSOLE 667 bool "Console on SGI Zilog8530 serial port" 668 depends on SERIAL_IP22_ZILOG=y 669 select SERIAL_CORE_CONSOLE 670 671config SERIAL_SH_SCI 672 tristate "SuperH SCI(F) serial port support" 673 depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST 674 select SERIAL_CORE 675 select SERIAL_MCTRL_GPIO if GPIOLIB 676 677config SERIAL_SH_SCI_NR_UARTS 678 int "Maximum number of SCI(F) serial ports" if EXPERT 679 depends on SERIAL_SH_SCI 680 default "3" if H8300 681 default "10" if SUPERH 682 default "18" if ARCH_RENESAS 683 default "2" 684 685config SERIAL_SH_SCI_CONSOLE 686 bool "Support for console on SuperH SCI(F)" if EXPERT 687 depends on SERIAL_SH_SCI=y 688 select SERIAL_CORE_CONSOLE 689 default y 690 691config SERIAL_SH_SCI_EARLYCON 692 bool "Support for early console on SuperH SCI(F)" if EXPERT 693 depends on SERIAL_SH_SCI=y 694 select SERIAL_CORE_CONSOLE 695 select SERIAL_EARLYCON 696 default ARCH_RENESAS || H8300 697 698config SERIAL_SH_SCI_DMA 699 bool "DMA support" if EXPERT 700 depends on SERIAL_SH_SCI && DMA_ENGINE 701 default ARCH_RENESAS 702 703config SERIAL_PNX8XXX 704 bool "Enable PNX8XXX SoCs' UART Support" 705 depends on SOC_PNX833X 706 select SERIAL_CORE 707 help 708 If you have a MIPS-based Philips SoC such as PNX8330 and you want 709 to use serial ports, say Y. Otherwise, say N. 710 711config SERIAL_PNX8XXX_CONSOLE 712 bool "Enable PNX8XX0 serial console" 713 depends on SERIAL_PNX8XXX 714 select SERIAL_CORE_CONSOLE 715 help 716 If you have a MIPS-based Philips SoC such as PNX8330 and you want 717 to use serial console, say Y. Otherwise, say N. 718 719config SERIAL_HS_LPC32XX 720 tristate "LPC32XX high speed serial port support" 721 depends on ARCH_LPC32XX && OF 722 select SERIAL_CORE 723 help 724 Support for the LPC32XX high speed serial ports (up to 900kbps). 725 Those are UARTs completely different from the Standard UARTs on the 726 LPC32XX SoC. 727 Choose M or Y here to build this driver. 728 729config SERIAL_HS_LPC32XX_CONSOLE 730 bool "Enable LPC32XX high speed UART serial console" 731 depends on SERIAL_HS_LPC32XX=y 732 select SERIAL_CORE_CONSOLE 733 help 734 If you would like to be able to use one of the high speed serial 735 ports on the LPC32XX as the console, you can do so by answering 736 Y to this option. 737 738config SERIAL_CORE 739 tristate 740 741config SERIAL_CORE_CONSOLE 742 bool 743 744config CONSOLE_POLL 745 bool 746 747config SERIAL_MCF 748 bool "Coldfire serial support" 749 depends on COLDFIRE 750 select SERIAL_CORE 751 help 752 This serial driver supports the Freescale Coldfire serial ports. 753 754config SERIAL_MCF_BAUDRATE 755 int "Default baudrate for Coldfire serial ports" 756 depends on SERIAL_MCF 757 default 19200 758 help 759 This setting lets you define what the default baudrate is for the 760 ColdFire serial ports. The usual default varies from board to board, 761 and this setting is a way of catering for that. 762 763config SERIAL_MCF_CONSOLE 764 bool "Coldfire serial console support" 765 depends on SERIAL_MCF 766 select SERIAL_CORE_CONSOLE 767 help 768 Enable a ColdFire internal serial port to be the system console. 769 770config SERIAL_PMACZILOG 771 tristate "Mac or PowerMac z85c30 ESCC support" 772 depends on (M68K && MAC) || PPC_PMAC 773 select SERIAL_CORE 774 help 775 This driver supports the Zilog z85C30 serial ports found on 776 (Power)Mac machines. 777 Say Y or M if you want to be able to these serial ports. 778 779config SERIAL_PMACZILOG_TTYS 780 bool "Use ttySn device nodes for Zilog z85c30" 781 depends on SERIAL_PMACZILOG 782 help 783 The pmac_zilog driver for the z85C30 chip on many powermacs 784 historically used the device numbers for /dev/ttySn. The 785 8250 serial port driver also uses these numbers, which means 786 the two drivers being unable to coexist; you could not use 787 both z85C30 and 8250 type ports at the same time. 788 789 If this option is not selected, the pmac_zilog driver will 790 use the device numbers allocated for /dev/ttyPZn. This allows 791 the pmac_zilog and 8250 drivers to co-exist, but may cause 792 existing userspace setups to break. Programs that need to 793 access the built-in serial ports on powermacs will need to 794 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn. 795 796 If you enable this option, any z85c30 ports in the system will 797 be registered as ttyS0 onwards as in the past, and you will be 798 unable to use the 8250 module for PCMCIA or other 16C550-style 799 UARTs. 800 801 Say N unless you need the z85c30 ports on your (Power)Mac 802 to appear as /dev/ttySn. 803 804config SERIAL_PMACZILOG_CONSOLE 805 bool "Console on Mac or PowerMac z85c30 serial port" 806 depends on SERIAL_PMACZILOG=y 807 select SERIAL_CORE_CONSOLE 808 help 809 If you would like to be able to use the z85c30 serial port 810 on your (Power)Mac as the console, you can do so by answering 811 Y to this option. 812 813config SERIAL_CPM 814 tristate "CPM SCC/SMC serial port support" 815 depends on CPM2 || CPM1 816 select SERIAL_CORE 817 help 818 This driver supports the SCC and SMC serial ports on Motorola 819 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx) 820 821config SERIAL_CPM_CONSOLE 822 bool "Support for console on CPM SCC/SMC serial port" 823 depends on SERIAL_CPM=y 824 select SERIAL_CORE_CONSOLE 825 help 826 Say Y here if you wish to use a SCC or SMC CPM UART as the system 827 console (the system console is the device which receives all kernel 828 messages and warnings and which allows logins in single user mode). 829 830 Even if you say Y here, the currently visible framebuffer console 831 (/dev/tty0) will still be used as the system console by default, but 832 you can alter that using a kernel command line option such as 833 "console=ttyCPM0". (Try "man bootparam" or see the documentation of 834 your boot loader (lilo or loadlin) about how to pass options to the 835 kernel at boot time.) 836 837config SERIAL_SGI_L1_CONSOLE 838 bool "SGI Altix L1 serial console support" 839 depends on IA64_GENERIC || IA64_SGI_SN2 840 select SERIAL_CORE 841 select SERIAL_CORE_CONSOLE 842 help 843 If you have an SGI Altix and you would like to use the system 844 controller serial port as your console (you want this!), 845 say Y. Otherwise, say N. 846 847config SERIAL_PIC32 848 tristate "Microchip PIC32 serial support" 849 depends on MACH_PIC32 850 select SERIAL_CORE 851 help 852 If you have a PIC32, this driver supports the serial ports. 853 854 Say Y or M to use PIC32 serial ports, otherwise say N. Note that 855 to use a serial port as a console, this must be included in kernel and 856 not as a module. 857 858config SERIAL_PIC32_CONSOLE 859 bool "PIC32 serial console support" 860 depends on SERIAL_PIC32 861 select SERIAL_CORE_CONSOLE 862 help 863 If you have a PIC32, this driver supports the putting a console on one 864 of the serial ports. 865 866 Say Y to use the PIC32 console, otherwise say N. 867 868config SERIAL_MPC52xx 869 tristate "Freescale MPC52xx/MPC512x family PSC serial support" 870 depends on PPC_MPC52xx || PPC_MPC512x 871 select SERIAL_CORE 872 help 873 This driver supports MPC52xx and MPC512x PSC serial ports. If you would 874 like to use them, you must answer Y or M to this option. Note that 875 for use as console, it must be included in kernel and not as a 876 module. 877 878config SERIAL_MPC52xx_CONSOLE 879 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port" 880 depends on SERIAL_MPC52xx=y 881 select SERIAL_CORE_CONSOLE 882 help 883 Select this options if you'd like to use one of the PSC serial port 884 of the Freescale MPC52xx family as a console. 885 886config SERIAL_MPC52xx_CONSOLE_BAUD 887 int "Freescale MPC52xx/MPC512x family PSC serial port baud" 888 depends on SERIAL_MPC52xx_CONSOLE=y 889 default "9600" 890 help 891 Select the MPC52xx console baud rate. 892 This value is only used if the bootloader doesn't pass in the 893 console baudrate 894 895config SERIAL_ICOM 896 tristate "IBM Multiport Serial Adapter" 897 depends on PCI && PPC_PSERIES 898 select SERIAL_CORE 899 select FW_LOADER 900 help 901 This driver is for a family of multiport serial adapters 902 including 2 port RVX, 2 port internal modem, 4 port internal 903 modem and a split 1 port RVX and 1 port internal modem. 904 905 This driver can also be built as a module. If so, the module 906 will be called icom. 907 908config SERIAL_TXX9 909 bool "TMPTX39XX/49XX SIO support" 910 depends on HAS_TXX9_SERIAL 911 select SERIAL_CORE 912 default y 913 914config HAS_TXX9_SERIAL 915 bool 916 917config SERIAL_TXX9_NR_UARTS 918 int "Maximum number of TMPTX39XX/49XX SIO ports" 919 depends on SERIAL_TXX9 920 default "6" 921 922config SERIAL_TXX9_CONSOLE 923 bool "TMPTX39XX/49XX SIO Console support" 924 depends on SERIAL_TXX9=y 925 select SERIAL_CORE_CONSOLE 926 927config SERIAL_TXX9_STDSERIAL 928 bool "TX39XX/49XX SIO act as standard serial" 929 depends on !SERIAL_8250 && SERIAL_TXX9 930 931config SERIAL_VR41XX 932 tristate "NEC VR4100 series Serial Interface Unit support" 933 depends on CPU_VR41XX 934 select SERIAL_CORE 935 help 936 If you have a NEC VR4100 series processor and you want to use 937 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) 938 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. 939 940config SERIAL_VR41XX_CONSOLE 941 bool "Enable NEC VR4100 series Serial Interface Unit console" 942 depends on SERIAL_VR41XX=y 943 select SERIAL_CORE_CONSOLE 944 help 945 If you have a NEC VR4100 series processor and you want to use 946 a console on a serial port, say Y. Otherwise, say N. 947 948config SERIAL_JSM 949 tristate "Digi International NEO and Classic PCI Support" 950 depends on PCI 951 select SERIAL_CORE 952 help 953 This is a driver for Digi International's Neo and Classic series 954 of cards which provide multiple serial ports. You would need 955 something like this to connect more than two modems to your Linux 956 box, for instance in order to become a dial-in server. This driver 957 supports PCI boards only. 958 959 If you have a card like this, say Y here, otherwise say N. 960 961 To compile this driver as a module, choose M here: the 962 module will be called jsm. 963 964config SERIAL_SGI_IOC4 965 tristate "SGI IOC4 controller serial support" 966 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4 967 select SERIAL_CORE 968 help 969 If you have an SGI Altix with an IOC4 based Base IO card 970 and wish to use the serial ports on this card, say Y. 971 Otherwise, say N. 972 973config SERIAL_SGI_IOC3 974 tristate "SGI Altix IOC3 serial support" 975 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3 976 select SERIAL_CORE 977 help 978 If you have an SGI Altix with an IOC3 serial card, 979 say Y or M. Otherwise, say N. 980 981config SERIAL_MSM 982 tristate "MSM on-chip serial port support" 983 depends on ARCH_QCOM 984 select SERIAL_CORE 985 986config SERIAL_MSM_CONSOLE 987 bool "MSM serial console support" 988 depends on SERIAL_MSM=y 989 select SERIAL_CORE_CONSOLE 990 select SERIAL_EARLYCON 991 992config SERIAL_QCOM_GENI 993 tristate "QCOM on-chip GENI based serial port support" 994 depends on ARCH_QCOM || COMPILE_TEST 995 depends on QCOM_GENI_SE 996 select SERIAL_CORE 997 998config SERIAL_QCOM_GENI_CONSOLE 999 bool "QCOM GENI Serial Console support" 1000 depends on SERIAL_QCOM_GENI=y 1001 select SERIAL_CORE_CONSOLE 1002 select SERIAL_EARLYCON 1003 help 1004 Serial console driver for Qualcomm Technologies Inc's GENI based 1005 QUP hardware. 1006 1007config SERIAL_VT8500 1008 bool "VIA VT8500 on-chip serial port support" 1009 depends on ARCH_VT8500 1010 select SERIAL_CORE 1011 1012config SERIAL_VT8500_CONSOLE 1013 bool "VIA VT8500 serial console support" 1014 depends on SERIAL_VT8500=y 1015 select SERIAL_CORE_CONSOLE 1016 1017config SERIAL_NETX 1018 tristate "NetX serial port support" 1019 depends on ARCH_NETX 1020 select SERIAL_CORE 1021 help 1022 If you have a machine based on a Hilscher NetX SoC you 1023 can enable its onboard serial port by enabling this option. 1024 1025 To compile this driver as a module, choose M here: the 1026 module will be called netx-serial. 1027 1028config SERIAL_NETX_CONSOLE 1029 bool "Console on NetX serial port" 1030 depends on SERIAL_NETX=y 1031 select SERIAL_CORE_CONSOLE 1032 help 1033 If you have enabled the serial port on the Hilscher NetX SoC 1034 you can make it the console by answering Y to this option. 1035 1036config SERIAL_OMAP 1037 tristate "OMAP serial port support" 1038 depends on ARCH_OMAP2PLUS 1039 select SERIAL_CORE 1040 help 1041 If you have a machine based on an Texas Instruments OMAP CPU you 1042 can enable its onboard serial ports by enabling this option. 1043 1044 By enabling this option you take advantage of dma feature available 1045 with the omap-serial driver. DMA support can be enabled from platform 1046 data. 1047 1048config SERIAL_OMAP_CONSOLE 1049 bool "Console on OMAP serial port" 1050 depends on SERIAL_OMAP=y 1051 select SERIAL_CORE_CONSOLE 1052 help 1053 Select this option if you would like to use omap serial port as 1054 console. 1055 1056 Even if you say Y here, the currently visible virtual console 1057 (/dev/tty0) will still be used as the system console by default, but 1058 you can alter that using a kernel command line option such as 1059 "console=ttyOx". (Try "man bootparam" or see the documentation of 1060 your boot loader about how to pass options to the kernel at 1061 boot time.) 1062 1063config SERIAL_LANTIQ 1064 bool "Lantiq serial driver" 1065 depends on LANTIQ 1066 select SERIAL_CORE 1067 select SERIAL_CORE_CONSOLE 1068 select SERIAL_EARLYCON 1069 help 1070 Support for console and UART on Lantiq SoCs. 1071 1072config SERIAL_QE 1073 tristate "Freescale QUICC Engine serial port support" 1074 depends on QUICC_ENGINE 1075 select SERIAL_CORE 1076 select FW_LOADER 1077 default n 1078 help 1079 This driver supports the QE serial ports on Freescale embedded 1080 PowerPC that contain a QUICC Engine. 1081 1082config SERIAL_SCCNXP 1083 tristate "SCCNXP serial port support" 1084 select SERIAL_CORE 1085 help 1086 This selects support for an advanced UART from NXP (Philips). 1087 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, 1088 SC28L202, SCC68681 and SCC68692. 1089 1090config SERIAL_SCCNXP_CONSOLE 1091 bool "Console on SCCNXP serial port" 1092 depends on SERIAL_SCCNXP=y 1093 select SERIAL_CORE_CONSOLE 1094 help 1095 Support for console on SCCNXP serial ports. 1096 1097config SERIAL_SC16IS7XX_CORE 1098 tristate 1099 1100config SERIAL_SC16IS7XX 1101 tristate "SC16IS7xx serial support" 1102 select SERIAL_CORE 1103 depends on (SPI_MASTER && !I2C) || I2C 1104 help 1105 This selects support for SC16IS7xx serial ports. 1106 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, 1107 SC16IS760 and SC16IS762. Select supported buses using options below. 1108 1109config SERIAL_SC16IS7XX_I2C 1110 bool "SC16IS7xx for I2C interface" 1111 depends on SERIAL_SC16IS7XX 1112 depends on I2C 1113 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1114 select REGMAP_I2C if I2C 1115 default y 1116 help 1117 Enable SC16IS7xx driver on I2C bus, 1118 If required say y, and say n to i2c if not required, 1119 Enabled by default to support oldconfig. 1120 You must select at least one bus for the driver to be built. 1121 1122config SERIAL_SC16IS7XX_SPI 1123 bool "SC16IS7xx for spi interface" 1124 depends on SERIAL_SC16IS7XX 1125 depends on SPI_MASTER 1126 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1127 select REGMAP_SPI if SPI_MASTER 1128 help 1129 Enable SC16IS7xx driver on SPI bus, 1130 If required say y, and say n to spi if not required, 1131 This is additional support to exsisting driver. 1132 You must select at least one bus for the driver to be built. 1133 1134config SERIAL_TIMBERDALE 1135 tristate "Support for timberdale UART" 1136 select SERIAL_CORE 1137 depends on X86_32 || COMPILE_TEST 1138 ---help--- 1139 Add support for UART controller on timberdale. 1140 1141config SERIAL_BCM63XX 1142 tristate "Broadcom BCM63xx/BCM33xx UART support" 1143 select SERIAL_CORE 1144 depends on MIPS || ARM || COMPILE_TEST 1145 help 1146 This enables the driver for the onchip UART core found on 1147 the following chipsets: 1148 1149 BCM33xx (cable modem) 1150 BCM63xx/BCM63xxx (DSL) 1151 BCM68xx (PON) 1152 BCM7xxx (STB) - DOCSIS console 1153 1154config SERIAL_BCM63XX_CONSOLE 1155 bool "Console on BCM63xx serial port" 1156 depends on SERIAL_BCM63XX=y 1157 select SERIAL_CORE_CONSOLE 1158 select SERIAL_EARLYCON 1159 help 1160 If you have enabled the serial port on the BCM63xx CPU 1161 you can make it the console by answering Y to this option. 1162 1163config SERIAL_GRLIB_GAISLER_APBUART 1164 tristate "GRLIB APBUART serial support" 1165 depends on OF && SPARC 1166 select SERIAL_CORE 1167 ---help--- 1168 Add support for the GRLIB APBUART serial port. 1169 1170config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE 1171 bool "Console on GRLIB APBUART serial port" 1172 depends on SERIAL_GRLIB_GAISLER_APBUART=y 1173 select SERIAL_CORE_CONSOLE 1174 help 1175 Support for running a console on the GRLIB APBUART 1176 1177config SERIAL_ALTERA_JTAGUART 1178 tristate "Altera JTAG UART support" 1179 select SERIAL_CORE 1180 help 1181 This driver supports the Altera JTAG UART port. 1182 1183config SERIAL_ALTERA_JTAGUART_CONSOLE 1184 bool "Altera JTAG UART console support" 1185 depends on SERIAL_ALTERA_JTAGUART=y 1186 select SERIAL_CORE_CONSOLE 1187 select SERIAL_EARLYCON 1188 help 1189 Enable a Altera JTAG UART port to be the system console. 1190 1191config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS 1192 bool "Bypass output when no connection" 1193 depends on SERIAL_ALTERA_JTAGUART_CONSOLE 1194 select SERIAL_CORE_CONSOLE 1195 help 1196 Bypass console output and keep going even if there is no 1197 JTAG terminal connection with the host. 1198 1199config SERIAL_ALTERA_UART 1200 tristate "Altera UART support" 1201 select SERIAL_CORE 1202 help 1203 This driver supports the Altera softcore UART port. 1204 1205config SERIAL_ALTERA_UART_MAXPORTS 1206 int "Maximum number of Altera UART ports" 1207 depends on SERIAL_ALTERA_UART 1208 default 4 1209 help 1210 This setting lets you define the maximum number of the Altera 1211 UART ports. The usual default varies from board to board, and 1212 this setting is a way of catering for that. 1213 1214config SERIAL_ALTERA_UART_BAUDRATE 1215 int "Default baudrate for Altera UART ports" 1216 depends on SERIAL_ALTERA_UART 1217 default 115200 1218 help 1219 This setting lets you define what the default baudrate is for the 1220 Altera UART ports. The usual default varies from board to board, 1221 and this setting is a way of catering for that. 1222 1223config SERIAL_ALTERA_UART_CONSOLE 1224 bool "Altera UART console support" 1225 depends on SERIAL_ALTERA_UART=y 1226 select SERIAL_CORE_CONSOLE 1227 select SERIAL_EARLYCON 1228 help 1229 Enable a Altera UART port to be the system console. 1230 1231config SERIAL_IFX6X60 1232 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" 1233 depends on GPIOLIB || COMPILE_TEST 1234 depends on SPI && HAS_DMA 1235 help 1236 Support for the IFX6x60 modem devices on Intel MID platforms. 1237 1238config SERIAL_PCH_UART 1239 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" 1240 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 1241 select SERIAL_CORE 1242 help 1243 This driver is for PCH(Platform controller Hub) UART of Intel EG20T 1244 which is an IOH(Input/Output Hub) for x86 embedded processor. 1245 Enabling PCH_DMA, this PCH UART works as DMA mode. 1246 1247 This driver also can be used for LAPIS Semiconductor IOH(Input/ 1248 Output Hub), ML7213, ML7223 and ML7831. 1249 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 1250 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 1251 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1252 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1253 1254config SERIAL_PCH_UART_CONSOLE 1255 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH" 1256 depends on SERIAL_PCH_UART=y 1257 select SERIAL_CORE_CONSOLE 1258 help 1259 Say Y here if you wish to use the PCH UART as the system console 1260 (the system console is the device which receives all kernel messages and 1261 warnings and which allows logins in single user mode). 1262 1263config SERIAL_MXS_AUART 1264 tristate "MXS AUART support" 1265 depends on HAS_DMA 1266 depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST 1267 select SERIAL_CORE 1268 select SERIAL_MCTRL_GPIO if GPIOLIB 1269 help 1270 This driver supports the MXS and Alphascale ASM9260 Application 1271 UART (AUART) port. 1272 1273config SERIAL_MXS_AUART_CONSOLE 1274 bool "MXS AUART console support" 1275 depends on SERIAL_MXS_AUART=y 1276 select SERIAL_CORE_CONSOLE 1277 help 1278 Enable a MXS AUART port to be the system console. 1279 1280config SERIAL_XILINX_PS_UART 1281 tristate "Cadence (Xilinx Zynq) UART support" 1282 depends on OF 1283 select SERIAL_CORE 1284 help 1285 This driver supports the Cadence UART. It is found e.g. in Xilinx 1286 Zynq. 1287 1288config SERIAL_XILINX_PS_UART_CONSOLE 1289 bool "Cadence UART console support" 1290 depends on SERIAL_XILINX_PS_UART=y 1291 select SERIAL_CORE_CONSOLE 1292 select SERIAL_EARLYCON 1293 help 1294 Enable a Cadence UART port to be the system console. 1295 1296config SERIAL_AR933X 1297 tristate "AR933X serial port support" 1298 depends on HAVE_CLK && SOC_AR933X 1299 select SERIAL_CORE 1300 help 1301 If you have an Atheros AR933X SOC based board and want to use the 1302 built-in UART of the SoC, say Y to this option. 1303 1304 To compile this driver as a module, choose M here: the 1305 module will be called ar933x_uart. 1306 1307config SERIAL_AR933X_CONSOLE 1308 bool "Console on AR933X serial port" 1309 depends on SERIAL_AR933X=y 1310 select SERIAL_CORE_CONSOLE 1311 help 1312 Enable a built-in UART port of the AR933X to be the system console. 1313 1314config SERIAL_AR933X_NR_UARTS 1315 int "Maximum number of AR933X serial ports" 1316 depends on SERIAL_AR933X 1317 default "2" 1318 help 1319 Set this to the number of serial ports you want the driver 1320 to support. 1321 1322config SERIAL_EFM32_UART 1323 tristate "EFM32 UART/USART port" 1324 depends on ARM && (ARCH_EFM32 || COMPILE_TEST) 1325 select SERIAL_CORE 1326 help 1327 This driver support the USART and UART ports on 1328 Energy Micro's efm32 SoCs. 1329 1330config SERIAL_MPS2_UART_CONSOLE 1331 bool "MPS2 UART console support" 1332 depends on SERIAL_MPS2_UART 1333 select SERIAL_CORE_CONSOLE 1334 select SERIAL_EARLYCON 1335 1336config SERIAL_MPS2_UART 1337 bool "MPS2 UART port" 1338 depends on ARCH_MPS2 || COMPILE_TEST 1339 select SERIAL_CORE 1340 help 1341 This driver support the UART ports on ARM MPS2. 1342 1343config SERIAL_EFM32_UART_CONSOLE 1344 bool "EFM32 UART/USART console support" 1345 depends on SERIAL_EFM32_UART=y 1346 select SERIAL_CORE_CONSOLE 1347 1348config SERIAL_ARC 1349 tristate "ARC UART driver support" 1350 select SERIAL_CORE 1351 help 1352 Driver for on-chip UART for ARC(Synopsys) for the legacy 1353 FPGA Boards (ML50x/ARCAngel4) 1354 1355config SERIAL_ARC_CONSOLE 1356 bool "Console on ARC UART" 1357 depends on SERIAL_ARC=y 1358 select SERIAL_CORE_CONSOLE 1359 select SERIAL_EARLYCON 1360 help 1361 Enable system Console on ARC UART 1362 1363config SERIAL_ARC_NR_PORTS 1364 int "Number of ARC UART ports" 1365 depends on SERIAL_ARC 1366 range 1 3 1367 default "1" 1368 help 1369 Set this to the number of serial ports you want the driver 1370 to support. 1371 1372config SERIAL_RP2 1373 tristate "Comtrol RocketPort EXPRESS/INFINITY support" 1374 depends on PCI 1375 select SERIAL_CORE 1376 help 1377 This driver supports the Comtrol RocketPort EXPRESS and 1378 RocketPort INFINITY families of PCI/PCIe multiport serial adapters. 1379 These adapters use a "RocketPort 2" ASIC that is not compatible 1380 with the original RocketPort driver (CONFIG_ROCKETPORT). 1381 1382 To compile this driver as a module, choose M here: the 1383 module will be called rp2. 1384 1385 If you want to compile this driver into the kernel, say Y here. If 1386 you don't have a suitable RocketPort card installed, say N. 1387 1388config SERIAL_RP2_NR_UARTS 1389 int "Maximum number of RocketPort EXPRESS/INFINITY ports" 1390 depends on SERIAL_RP2 1391 default "32" 1392 help 1393 If multiple cards are present, the default limit of 32 ports may 1394 need to be increased. 1395 1396config SERIAL_FSL_LPUART 1397 tristate "Freescale lpuart serial port support" 1398 depends on HAS_DMA 1399 select SERIAL_CORE 1400 help 1401 Support for the on-chip lpuart on some Freescale SOCs. 1402 1403config SERIAL_FSL_LPUART_CONSOLE 1404 bool "Console on Freescale lpuart serial port" 1405 depends on SERIAL_FSL_LPUART=y 1406 select SERIAL_CORE_CONSOLE 1407 select SERIAL_EARLYCON 1408 help 1409 If you have enabled the lpuart serial port on the Freescale SoCs, 1410 you can make it the console by answering Y to this option. 1411 1412config SERIAL_CONEXANT_DIGICOLOR 1413 tristate "Conexant Digicolor CX92xxx USART serial port support" 1414 depends on OF 1415 select SERIAL_CORE 1416 help 1417 Support for the on-chip USART on Conexant Digicolor SoCs. 1418 1419config SERIAL_CONEXANT_DIGICOLOR_CONSOLE 1420 bool "Console on Conexant Digicolor serial port" 1421 depends on SERIAL_CONEXANT_DIGICOLOR=y 1422 select SERIAL_CORE_CONSOLE 1423 help 1424 If you have enabled the USART serial port on Conexant Digicolor 1425 SoCs, you can make it the console by answering Y to this option. 1426 1427config SERIAL_ST_ASC 1428 tristate "ST ASC serial port support" 1429 select SERIAL_CORE 1430 depends on ARM || COMPILE_TEST 1431 help 1432 This driver is for the on-chip Asychronous Serial Controller on 1433 STMicroelectronics STi SoCs. 1434 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality. 1435 It support all industry standard baud rates. 1436 1437 If unsure, say N. 1438 1439config SERIAL_ST_ASC_CONSOLE 1440 bool "Support for console on ST ASC" 1441 depends on SERIAL_ST_ASC=y 1442 select SERIAL_CORE_CONSOLE 1443 1444config SERIAL_MEN_Z135 1445 tristate "MEN 16z135 Support" 1446 select SERIAL_CORE 1447 depends on MCB 1448 help 1449 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core 1450 on a MCB carrier. 1451 1452 This driver can also be build as a module. If so, the module will be called 1453 men_z135_uart.ko 1454 1455config SERIAL_SPRD 1456 tristate "Support for Spreadtrum serial" 1457 depends on ARCH_SPRD 1458 select SERIAL_CORE 1459 help 1460 This enables the driver for the Spreadtrum's serial. 1461 1462config SERIAL_SPRD_CONSOLE 1463 bool "Spreadtrum UART console support" 1464 depends on SERIAL_SPRD=y 1465 select SERIAL_CORE_CONSOLE 1466 select SERIAL_EARLYCON 1467 help 1468 Support for early debug console using Spreadtrum's serial. This enables 1469 the console before standard serial driver is probed. This is enabled 1470 with "earlycon" on the kernel command line. The console is 1471 enabled when early_param is processed. 1472 1473config SERIAL_STM32 1474 tristate "STMicroelectronics STM32 serial port support" 1475 select SERIAL_CORE 1476 depends on HAS_DMA 1477 depends on ARCH_STM32 || COMPILE_TEST 1478 help 1479 This driver is for the on-chip Serial Controller on 1480 STMicroelectronics STM32 MCUs. 1481 USART supports Rx & Tx functionality. 1482 It support all industry standard baud rates. 1483 1484 If unsure, say N. 1485 1486config SERIAL_STM32_CONSOLE 1487 bool "Support for console on STM32" 1488 depends on SERIAL_STM32=y 1489 select SERIAL_CORE_CONSOLE 1490 1491config SERIAL_MVEBU_UART 1492 bool "Marvell EBU serial port support" 1493 depends on ARCH_MVEBU || COMPILE_TEST 1494 select SERIAL_CORE 1495 help 1496 This driver is for Marvell EBU SoC's UART. If you have a machine 1497 based on the Armada-3700 SoC and wish to use the on-board serial 1498 port, 1499 say 'Y' here. 1500 Otherwise, say 'N'. 1501 1502config SERIAL_MVEBU_CONSOLE 1503 bool "Console on Marvell EBU serial port" 1504 depends on SERIAL_MVEBU_UART 1505 select SERIAL_CORE_CONSOLE 1506 select SERIAL_EARLYCON 1507 default y 1508 help 1509 Say 'Y' here if you wish to use Armada-3700 UART as the system console. 1510 (the system console is the device which receives all kernel messages 1511 and warnings and which allows logins in single user mode) 1512 Otherwise, say 'N'. 1513 1514config SERIAL_OWL 1515 tristate "Actions Semi Owl serial port support" 1516 depends on ARCH_ACTIONS || COMPILE_TEST 1517 select SERIAL_CORE 1518 help 1519 This driver is for Actions Semiconductor S500/S900 SoC's UART. 1520 Say 'Y' here if you wish to use the on-board serial port. 1521 Otherwise, say 'N'. 1522 1523config SERIAL_OWL_CONSOLE 1524 bool "Console on Actions Semi Owl serial port" 1525 depends on SERIAL_OWL=y 1526 select SERIAL_CORE_CONSOLE 1527 select SERIAL_EARLYCON 1528 default y 1529 help 1530 Say 'Y' here if you wish to use Actions Semiconductor S500/S900 UART 1531 as the system console. 1532 1533endmenu 1534 1535config SERIAL_MCTRL_GPIO 1536 tristate 1537 1538endif # TTY 1539