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 ARCH_AT91 || COMPILE_TEST 119 select SERIAL_CORE 120 select SERIAL_MCTRL_GPIO if GPIOLIB 121 select MFD_AT91_USART 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 ARCH_MXC || COMPILE_TEST 504 select SERIAL_CORE 505 select RATIONAL 506 select SERIAL_MCTRL_GPIO if GPIOLIB 507 help 508 If you have a machine based on a Motorola IMX CPU you 509 can enable its onboard serial port by enabling this option. 510 511config SERIAL_IMX_CONSOLE 512 bool "Console on IMX serial port" 513 depends on SERIAL_IMX=y 514 select SERIAL_CORE_CONSOLE 515 select SERIAL_EARLYCON if OF 516 help 517 If you have enabled the serial port on the Freescale IMX 518 CPU you can make it the console by answering Y to this option. 519 520 Even if you say Y here, the currently visible virtual console 521 (/dev/tty0) will still be used as the system console by default, but 522 you can alter that using a kernel command line option such as 523 "console=ttymxc0". (Try "man bootparam" or see the documentation of 524 your bootloader about how to pass options to the kernel at boot time.) 525 526config SERIAL_UARTLITE 527 tristate "Xilinx uartlite serial port support" 528 depends on HAS_IOMEM 529 select SERIAL_CORE 530 help 531 Say Y here if you want to use the Xilinx uartlite serial controller. 532 533 To compile this driver as a module, choose M here: the 534 module will be called uartlite. 535 536config SERIAL_UARTLITE_CONSOLE 537 bool "Support for console on Xilinx uartlite serial port" 538 depends on SERIAL_UARTLITE=y 539 select SERIAL_CORE_CONSOLE 540 select SERIAL_EARLYCON 541 help 542 Say Y here if you wish to use a Xilinx uartlite as the system 543 console (the system console is the device which receives all kernel 544 messages and warnings and which allows logins in single user mode). 545 546config SERIAL_UARTLITE_NR_UARTS 547 int "Maximum number of uartlite serial ports" 548 depends on SERIAL_UARTLITE 549 range 1 256 550 default 1 551 help 552 Set this to the number of uartlites in your system, or the number 553 you think you might implement. 554 555config SERIAL_SUNCORE 556 bool 557 depends on SPARC 558 select SERIAL_CORE 559 select SERIAL_CORE_CONSOLE 560 default y 561 562config SERIAL_SUNZILOG 563 tristate "Sun Zilog8530 serial support" 564 depends on SPARC 565 help 566 This driver supports the Zilog8530 serial ports found on many Sparc 567 systems. Say Y or M if you want to be able to these serial ports. 568 569config SERIAL_SUNZILOG_CONSOLE 570 bool "Console on Sun Zilog8530 serial port" 571 depends on SERIAL_SUNZILOG=y 572 help 573 If you would like to be able to use the Zilog8530 serial port 574 on your Sparc system as the console, you can do so by answering 575 Y to this option. 576 577config SERIAL_SUNSU 578 tristate "Sun SU serial support" 579 depends on SPARC && PCI 580 help 581 This driver supports the 8250 serial ports that run the keyboard and 582 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able 583 to these serial ports. 584 585config SERIAL_SUNSU_CONSOLE 586 bool "Console on Sun SU serial port" 587 depends on SERIAL_SUNSU=y 588 help 589 If you would like to be able to use the SU serial port 590 on your Sparc system as the console, you can do so by answering 591 Y to this option. 592 593config SERIAL_MUX 594 tristate "Serial MUX support" 595 depends on GSC 596 select SERIAL_CORE 597 default y 598 ---help--- 599 Saying Y here will enable the hardware MUX serial driver for 600 the Nova, K class systems and D class with a 'remote control card'. 601 The hardware MUX is not 8250/16550 compatible therefore the 602 /dev/ttyB0 device is shared between the Serial MUX and the PDC 603 software console. The following steps need to be completed to use 604 the Serial MUX: 605 606 1. create the device entry (mknod /dev/ttyB0 c 11 0) 607 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 608 3. Add device ttyB0 to /etc/securetty (if you want to log on as 609 root on this console.) 610 4. Change the kernel command console parameter to: console=ttyB0 611 612config SERIAL_MUX_CONSOLE 613 bool "Support for console on serial MUX" 614 depends on SERIAL_MUX=y 615 select SERIAL_CORE_CONSOLE 616 default y 617 618config PDC_CONSOLE 619 bool "PDC software console support" 620 depends on PARISC && !SERIAL_MUX && VT 621 default n 622 help 623 Saying Y here will enable the software based PDC console to be 624 used as the system console. This is useful for machines in 625 which the hardware based console has not been written yet. The 626 following steps must be completed to use the PDC console: 627 628 1. create the device entry (mknod /dev/ttyB0 c 11 0) 629 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 630 3. Add device ttyB0 to /etc/securetty (if you want to log on as 631 root on this console.) 632 4. Change the kernel command console parameter to: console=ttyB0 633 634config SERIAL_SUNSAB 635 tristate "Sun Siemens SAB82532 serial support" 636 depends on SPARC && PCI 637 help 638 This driver supports the Siemens SAB82532 DUSCC serial ports on newer 639 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these 640 serial ports. 641 642config SERIAL_SUNSAB_CONSOLE 643 bool "Console on Sun Siemens SAB82532 serial port" 644 depends on SERIAL_SUNSAB=y 645 help 646 If you would like to be able to use the SAB82532 serial port 647 on your Sparc system as the console, you can do so by answering 648 Y to this option. 649 650config SERIAL_SUNHV 651 bool "Sun4v Hypervisor Console support" 652 depends on SPARC64 653 help 654 This driver supports the console device found on SUN4V Sparc 655 systems. Say Y if you want to be able to use this device. 656 657config SERIAL_IP22_ZILOG 658 tristate "SGI Zilog8530 serial support" 659 depends on SGI_HAS_ZILOG 660 select SERIAL_CORE 661 help 662 This driver supports the Zilog8530 serial ports found on SGI 663 systems. Say Y or M if you want to be able to these serial ports. 664 665config SERIAL_IP22_ZILOG_CONSOLE 666 bool "Console on SGI Zilog8530 serial port" 667 depends on SERIAL_IP22_ZILOG=y 668 select SERIAL_CORE_CONSOLE 669 670config SERIAL_SH_SCI 671 tristate "SuperH SCI(F) serial port support" 672 depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST 673 select SERIAL_CORE 674 select SERIAL_MCTRL_GPIO if GPIOLIB 675 676config SERIAL_SH_SCI_NR_UARTS 677 int "Maximum number of SCI(F) serial ports" if EXPERT 678 range 1 64 if 64BIT 679 range 1 32 if !64BIT 680 depends on SERIAL_SH_SCI 681 default "3" if H8300 682 default "10" if SUPERH 683 default "18" if ARCH_RENESAS 684 default "2" 685 686config SERIAL_SH_SCI_CONSOLE 687 bool "Support for console on SuperH SCI(F)" if EXPERT 688 depends on SERIAL_SH_SCI=y 689 select SERIAL_CORE_CONSOLE 690 default y 691 692config SERIAL_SH_SCI_EARLYCON 693 bool "Support for early console on SuperH SCI(F)" if EXPERT 694 depends on SERIAL_SH_SCI=y 695 select SERIAL_CORE_CONSOLE 696 select SERIAL_EARLYCON 697 default ARCH_RENESAS || H8300 698 699config SERIAL_SH_SCI_DMA 700 bool "DMA support" if EXPERT 701 depends on SERIAL_SH_SCI && DMA_ENGINE 702 default ARCH_RENESAS 703 704config SERIAL_PNX8XXX 705 bool "Enable PNX8XXX SoCs' UART Support" 706 depends on SOC_PNX833X 707 select SERIAL_CORE 708 help 709 If you have a MIPS-based Philips SoC such as PNX8330 and you want 710 to use serial ports, say Y. Otherwise, say N. 711 712config SERIAL_PNX8XXX_CONSOLE 713 bool "Enable PNX8XX0 serial console" 714 depends on SERIAL_PNX8XXX 715 select SERIAL_CORE_CONSOLE 716 help 717 If you have a MIPS-based Philips SoC such as PNX8330 and you want 718 to use serial console, say Y. Otherwise, say N. 719 720config SERIAL_HS_LPC32XX 721 tristate "LPC32XX high speed serial port support" 722 depends on ARCH_LPC32XX && OF 723 select SERIAL_CORE 724 help 725 Support for the LPC32XX high speed serial ports (up to 900kbps). 726 Those are UARTs completely different from the Standard UARTs on the 727 LPC32XX SoC. 728 Choose M or Y here to build this driver. 729 730config SERIAL_HS_LPC32XX_CONSOLE 731 bool "Enable LPC32XX high speed UART serial console" 732 depends on SERIAL_HS_LPC32XX=y 733 select SERIAL_CORE_CONSOLE 734 help 735 If you would like to be able to use one of the high speed serial 736 ports on the LPC32XX as the console, you can do so by answering 737 Y to this option. 738 739config SERIAL_CORE 740 tristate 741 742config SERIAL_CORE_CONSOLE 743 bool 744 745config CONSOLE_POLL 746 bool 747 748config SERIAL_MCF 749 bool "Coldfire serial support" 750 depends on COLDFIRE 751 select SERIAL_CORE 752 help 753 This serial driver supports the Freescale Coldfire serial ports. 754 755config SERIAL_MCF_BAUDRATE 756 int "Default baudrate for Coldfire serial ports" 757 depends on SERIAL_MCF 758 default 19200 759 help 760 This setting lets you define what the default baudrate is for the 761 ColdFire serial ports. The usual default varies from board to board, 762 and this setting is a way of catering for that. 763 764config SERIAL_MCF_CONSOLE 765 bool "Coldfire serial console support" 766 depends on SERIAL_MCF 767 select SERIAL_CORE_CONSOLE 768 help 769 Enable a ColdFire internal serial port to be the system console. 770 771config SERIAL_PMACZILOG 772 tristate "Mac or PowerMac z85c30 ESCC support" 773 depends on (M68K && MAC) || PPC_PMAC 774 select SERIAL_CORE 775 help 776 This driver supports the Zilog z85C30 serial ports found on 777 (Power)Mac machines. 778 Say Y or M if you want to be able to these serial ports. 779 780config SERIAL_PMACZILOG_TTYS 781 bool "Use ttySn device nodes for Zilog z85c30" 782 depends on SERIAL_PMACZILOG 783 help 784 The pmac_zilog driver for the z85C30 chip on many powermacs 785 historically used the device numbers for /dev/ttySn. The 786 8250 serial port driver also uses these numbers, which means 787 the two drivers being unable to coexist; you could not use 788 both z85C30 and 8250 type ports at the same time. 789 790 If this option is not selected, the pmac_zilog driver will 791 use the device numbers allocated for /dev/ttyPZn. This allows 792 the pmac_zilog and 8250 drivers to co-exist, but may cause 793 existing userspace setups to break. Programs that need to 794 access the built-in serial ports on powermacs will need to 795 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn. 796 797 If you enable this option, any z85c30 ports in the system will 798 be registered as ttyS0 onwards as in the past, and you will be 799 unable to use the 8250 module for PCMCIA or other 16C550-style 800 UARTs. 801 802 Say N unless you need the z85c30 ports on your (Power)Mac 803 to appear as /dev/ttySn. 804 805config SERIAL_PMACZILOG_CONSOLE 806 bool "Console on Mac or PowerMac z85c30 serial port" 807 depends on SERIAL_PMACZILOG=y 808 select SERIAL_CORE_CONSOLE 809 help 810 If you would like to be able to use the z85c30 serial port 811 on your (Power)Mac as the console, you can do so by answering 812 Y to this option. 813 814config SERIAL_CPM 815 tristate "CPM SCC/SMC serial port support" 816 depends on CPM2 || CPM1 817 select SERIAL_CORE 818 help 819 This driver supports the SCC and SMC serial ports on Motorola 820 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx) 821 822config SERIAL_CPM_CONSOLE 823 bool "Support for console on CPM SCC/SMC serial port" 824 depends on SERIAL_CPM=y 825 select SERIAL_CORE_CONSOLE 826 help 827 Say Y here if you wish to use a SCC or SMC CPM UART as the system 828 console (the system console is the device which receives all kernel 829 messages and warnings and which allows logins in single user mode). 830 831 Even if you say Y here, the currently visible framebuffer console 832 (/dev/tty0) will still be used as the system console by default, but 833 you can alter that using a kernel command line option such as 834 "console=ttyCPM0". (Try "man bootparam" or see the documentation of 835 your boot loader (lilo or loadlin) about how to pass options to the 836 kernel at boot time.) 837 838config SERIAL_SGI_L1_CONSOLE 839 bool "SGI Altix L1 serial console support" 840 depends on IA64_GENERIC || IA64_SGI_SN2 841 select SERIAL_CORE 842 select SERIAL_CORE_CONSOLE 843 help 844 If you have an SGI Altix and you would like to use the system 845 controller serial port as your console (you want this!), 846 say Y. Otherwise, say N. 847 848config SERIAL_PIC32 849 tristate "Microchip PIC32 serial support" 850 depends on MACH_PIC32 851 select SERIAL_CORE 852 help 853 If you have a PIC32, this driver supports the serial ports. 854 855 Say Y or M to use PIC32 serial ports, otherwise say N. Note that 856 to use a serial port as a console, this must be included in kernel and 857 not as a module. 858 859config SERIAL_PIC32_CONSOLE 860 bool "PIC32 serial console support" 861 depends on SERIAL_PIC32 862 select SERIAL_CORE_CONSOLE 863 help 864 If you have a PIC32, this driver supports the putting a console on one 865 of the serial ports. 866 867 Say Y to use the PIC32 console, otherwise say N. 868 869config SERIAL_MPC52xx 870 tristate "Freescale MPC52xx/MPC512x family PSC serial support" 871 depends on PPC_MPC52xx || PPC_MPC512x 872 select SERIAL_CORE 873 help 874 This driver supports MPC52xx and MPC512x PSC serial ports. If you would 875 like to use them, you must answer Y or M to this option. Note that 876 for use as console, it must be included in kernel and not as a 877 module. 878 879config SERIAL_MPC52xx_CONSOLE 880 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port" 881 depends on SERIAL_MPC52xx=y 882 select SERIAL_CORE_CONSOLE 883 help 884 Select this options if you'd like to use one of the PSC serial port 885 of the Freescale MPC52xx family as a console. 886 887config SERIAL_MPC52xx_CONSOLE_BAUD 888 int "Freescale MPC52xx/MPC512x family PSC serial port baud" 889 depends on SERIAL_MPC52xx_CONSOLE=y 890 default "9600" 891 help 892 Select the MPC52xx console baud rate. 893 This value is only used if the bootloader doesn't pass in the 894 console baudrate 895 896config SERIAL_ICOM 897 tristate "IBM Multiport Serial Adapter" 898 depends on PCI && PPC_PSERIES 899 select SERIAL_CORE 900 select FW_LOADER 901 help 902 This driver is for a family of multiport serial adapters 903 including 2 port RVX, 2 port internal modem, 4 port internal 904 modem and a split 1 port RVX and 1 port internal modem. 905 906 This driver can also be built as a module. If so, the module 907 will be called icom. 908 909config SERIAL_TXX9 910 bool "TMPTX39XX/49XX SIO support" 911 depends on HAS_TXX9_SERIAL 912 select SERIAL_CORE 913 default y 914 915config HAS_TXX9_SERIAL 916 bool 917 918config SERIAL_TXX9_NR_UARTS 919 int "Maximum number of TMPTX39XX/49XX SIO ports" 920 depends on SERIAL_TXX9 921 default "6" 922 923config SERIAL_TXX9_CONSOLE 924 bool "TMPTX39XX/49XX SIO Console support" 925 depends on SERIAL_TXX9=y 926 select SERIAL_CORE_CONSOLE 927 928config SERIAL_TXX9_STDSERIAL 929 bool "TX39XX/49XX SIO act as standard serial" 930 depends on !SERIAL_8250 && SERIAL_TXX9 931 932config SERIAL_VR41XX 933 tristate "NEC VR4100 series Serial Interface Unit support" 934 depends on CPU_VR41XX 935 select SERIAL_CORE 936 help 937 If you have a NEC VR4100 series processor and you want to use 938 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) 939 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. 940 941config SERIAL_VR41XX_CONSOLE 942 bool "Enable NEC VR4100 series Serial Interface Unit console" 943 depends on SERIAL_VR41XX=y 944 select SERIAL_CORE_CONSOLE 945 help 946 If you have a NEC VR4100 series processor and you want to use 947 a console on a serial port, say Y. Otherwise, say N. 948 949config SERIAL_JSM 950 tristate "Digi International NEO and Classic PCI Support" 951 depends on PCI 952 select SERIAL_CORE 953 help 954 This is a driver for Digi International's Neo and Classic series 955 of cards which provide multiple serial ports. You would need 956 something like this to connect more than two modems to your Linux 957 box, for instance in order to become a dial-in server. This driver 958 supports PCI boards only. 959 960 If you have a card like this, say Y here, otherwise say N. 961 962 To compile this driver as a module, choose M here: the 963 module will be called jsm. 964 965config SERIAL_SGI_IOC4 966 tristate "SGI IOC4 controller serial support" 967 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4 968 select SERIAL_CORE 969 help 970 If you have an SGI Altix with an IOC4 based Base IO card 971 and wish to use the serial ports on this card, say Y. 972 Otherwise, say N. 973 974config SERIAL_SGI_IOC3 975 tristate "SGI Altix IOC3 serial support" 976 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3 977 select SERIAL_CORE 978 help 979 If you have an SGI Altix with an IOC3 serial card, 980 say Y or M. Otherwise, say N. 981 982config SERIAL_MSM 983 tristate "MSM on-chip serial port support" 984 depends on ARCH_QCOM 985 select SERIAL_CORE 986 987config SERIAL_MSM_CONSOLE 988 bool "MSM serial console support" 989 depends on SERIAL_MSM=y 990 select SERIAL_CORE_CONSOLE 991 select SERIAL_EARLYCON 992 993config SERIAL_QCOM_GENI 994 tristate "QCOM on-chip GENI based serial port support" 995 depends on ARCH_QCOM || COMPILE_TEST 996 depends on QCOM_GENI_SE 997 select SERIAL_CORE 998 999config SERIAL_QCOM_GENI_CONSOLE 1000 bool "QCOM GENI Serial Console support" 1001 depends on SERIAL_QCOM_GENI=y 1002 select SERIAL_CORE_CONSOLE 1003 select SERIAL_EARLYCON 1004 help 1005 Serial console driver for Qualcomm Technologies Inc's GENI based 1006 QUP hardware. 1007 1008config SERIAL_VT8500 1009 bool "VIA VT8500 on-chip serial port support" 1010 depends on ARCH_VT8500 1011 select SERIAL_CORE 1012 1013config SERIAL_VT8500_CONSOLE 1014 bool "VIA VT8500 serial console support" 1015 depends on SERIAL_VT8500=y 1016 select SERIAL_CORE_CONSOLE 1017 1018config SERIAL_NETX 1019 tristate "NetX serial port support" 1020 depends on ARCH_NETX 1021 select SERIAL_CORE 1022 help 1023 If you have a machine based on a Hilscher NetX SoC you 1024 can enable its onboard serial port by enabling this option. 1025 1026 To compile this driver as a module, choose M here: the 1027 module will be called netx-serial. 1028 1029config SERIAL_NETX_CONSOLE 1030 bool "Console on NetX serial port" 1031 depends on SERIAL_NETX=y 1032 select SERIAL_CORE_CONSOLE 1033 help 1034 If you have enabled the serial port on the Hilscher NetX SoC 1035 you can make it the console by answering Y to this option. 1036 1037config SERIAL_OMAP 1038 tristate "OMAP serial port support" 1039 depends on ARCH_OMAP2PLUS 1040 select SERIAL_CORE 1041 help 1042 If you have a machine based on an Texas Instruments OMAP CPU you 1043 can enable its onboard serial ports by enabling this option. 1044 1045 By enabling this option you take advantage of dma feature available 1046 with the omap-serial driver. DMA support can be enabled from platform 1047 data. 1048 1049config SERIAL_OMAP_CONSOLE 1050 bool "Console on OMAP serial port" 1051 depends on SERIAL_OMAP=y 1052 select SERIAL_CORE_CONSOLE 1053 help 1054 Select this option if you would like to use omap serial port as 1055 console. 1056 1057 Even if you say Y here, the currently visible virtual console 1058 (/dev/tty0) will still be used as the system console by default, but 1059 you can alter that using a kernel command line option such as 1060 "console=ttyOx". (Try "man bootparam" or see the documentation of 1061 your boot loader about how to pass options to the kernel at 1062 boot time.) 1063 1064config SERIAL_LANTIQ 1065 bool "Lantiq serial driver" 1066 depends on LANTIQ 1067 select SERIAL_CORE 1068 select SERIAL_CORE_CONSOLE 1069 select SERIAL_EARLYCON 1070 help 1071 Support for console and UART on Lantiq SoCs. 1072 1073config SERIAL_QE 1074 tristate "Freescale QUICC Engine serial port support" 1075 depends on QUICC_ENGINE 1076 select SERIAL_CORE 1077 select FW_LOADER 1078 default n 1079 help 1080 This driver supports the QE serial ports on Freescale embedded 1081 PowerPC that contain a QUICC Engine. 1082 1083config SERIAL_SCCNXP 1084 tristate "SCCNXP serial port support" 1085 select SERIAL_CORE 1086 help 1087 This selects support for an advanced UART from NXP (Philips). 1088 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, 1089 SC28L202, SCC68681 and SCC68692. 1090 1091config SERIAL_SCCNXP_CONSOLE 1092 bool "Console on SCCNXP serial port" 1093 depends on SERIAL_SCCNXP=y 1094 select SERIAL_CORE_CONSOLE 1095 help 1096 Support for console on SCCNXP serial ports. 1097 1098config SERIAL_SC16IS7XX_CORE 1099 tristate 1100 1101config SERIAL_SC16IS7XX 1102 tristate "SC16IS7xx serial support" 1103 select SERIAL_CORE 1104 depends on (SPI_MASTER && !I2C) || I2C 1105 help 1106 This selects support for SC16IS7xx serial ports. 1107 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, 1108 SC16IS760 and SC16IS762. Select supported buses using options below. 1109 1110config SERIAL_SC16IS7XX_I2C 1111 bool "SC16IS7xx for I2C interface" 1112 depends on SERIAL_SC16IS7XX 1113 depends on I2C 1114 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1115 select REGMAP_I2C if I2C 1116 default y 1117 help 1118 Enable SC16IS7xx driver on I2C bus, 1119 If required say y, and say n to i2c if not required, 1120 Enabled by default to support oldconfig. 1121 You must select at least one bus for the driver to be built. 1122 1123config SERIAL_SC16IS7XX_SPI 1124 bool "SC16IS7xx for spi interface" 1125 depends on SERIAL_SC16IS7XX 1126 depends on SPI_MASTER 1127 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1128 select REGMAP_SPI if SPI_MASTER 1129 help 1130 Enable SC16IS7xx driver on SPI bus, 1131 If required say y, and say n to spi if not required, 1132 This is additional support to exsisting driver. 1133 You must select at least one bus for the driver to be built. 1134 1135config SERIAL_TIMBERDALE 1136 tristate "Support for timberdale UART" 1137 select SERIAL_CORE 1138 depends on X86_32 || COMPILE_TEST 1139 ---help--- 1140 Add support for UART controller on timberdale. 1141 1142config SERIAL_BCM63XX 1143 tristate "Broadcom BCM63xx/BCM33xx UART support" 1144 select SERIAL_CORE 1145 depends on MIPS || ARM || COMPILE_TEST 1146 help 1147 This enables the driver for the onchip UART core found on 1148 the following chipsets: 1149 1150 BCM33xx (cable modem) 1151 BCM63xx/BCM63xxx (DSL) 1152 BCM68xx (PON) 1153 BCM7xxx (STB) - DOCSIS console 1154 1155config SERIAL_BCM63XX_CONSOLE 1156 bool "Console on BCM63xx serial port" 1157 depends on SERIAL_BCM63XX=y 1158 select SERIAL_CORE_CONSOLE 1159 select SERIAL_EARLYCON 1160 help 1161 If you have enabled the serial port on the BCM63xx CPU 1162 you can make it the console by answering Y to this option. 1163 1164config SERIAL_GRLIB_GAISLER_APBUART 1165 tristate "GRLIB APBUART serial support" 1166 depends on OF && SPARC 1167 select SERIAL_CORE 1168 ---help--- 1169 Add support for the GRLIB APBUART serial port. 1170 1171config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE 1172 bool "Console on GRLIB APBUART serial port" 1173 depends on SERIAL_GRLIB_GAISLER_APBUART=y 1174 select SERIAL_CORE_CONSOLE 1175 help 1176 Support for running a console on the GRLIB APBUART 1177 1178config SERIAL_ALTERA_JTAGUART 1179 tristate "Altera JTAG UART support" 1180 select SERIAL_CORE 1181 help 1182 This driver supports the Altera JTAG UART port. 1183 1184config SERIAL_ALTERA_JTAGUART_CONSOLE 1185 bool "Altera JTAG UART console support" 1186 depends on SERIAL_ALTERA_JTAGUART=y 1187 select SERIAL_CORE_CONSOLE 1188 select SERIAL_EARLYCON 1189 help 1190 Enable a Altera JTAG UART port to be the system console. 1191 1192config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS 1193 bool "Bypass output when no connection" 1194 depends on SERIAL_ALTERA_JTAGUART_CONSOLE 1195 select SERIAL_CORE_CONSOLE 1196 help 1197 Bypass console output and keep going even if there is no 1198 JTAG terminal connection with the host. 1199 1200config SERIAL_ALTERA_UART 1201 tristate "Altera UART support" 1202 select SERIAL_CORE 1203 help 1204 This driver supports the Altera softcore UART port. 1205 1206config SERIAL_ALTERA_UART_MAXPORTS 1207 int "Maximum number of Altera UART ports" 1208 depends on SERIAL_ALTERA_UART 1209 default 4 1210 help 1211 This setting lets you define the maximum number of the Altera 1212 UART ports. The usual default varies from board to board, and 1213 this setting is a way of catering for that. 1214 1215config SERIAL_ALTERA_UART_BAUDRATE 1216 int "Default baudrate for Altera UART ports" 1217 depends on SERIAL_ALTERA_UART 1218 default 115200 1219 help 1220 This setting lets you define what the default baudrate is for the 1221 Altera UART ports. The usual default varies from board to board, 1222 and this setting is a way of catering for that. 1223 1224config SERIAL_ALTERA_UART_CONSOLE 1225 bool "Altera UART console support" 1226 depends on SERIAL_ALTERA_UART=y 1227 select SERIAL_CORE_CONSOLE 1228 select SERIAL_EARLYCON 1229 help 1230 Enable a Altera UART port to be the system console. 1231 1232config SERIAL_IFX6X60 1233 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" 1234 depends on GPIOLIB || COMPILE_TEST 1235 depends on SPI && HAS_DMA 1236 help 1237 Support for the IFX6x60 modem devices on Intel MID platforms. 1238 1239config SERIAL_PCH_UART 1240 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" 1241 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 1242 select SERIAL_CORE 1243 help 1244 This driver is for PCH(Platform controller Hub) UART of Intel EG20T 1245 which is an IOH(Input/Output Hub) for x86 embedded processor. 1246 Enabling PCH_DMA, this PCH UART works as DMA mode. 1247 1248 This driver also can be used for LAPIS Semiconductor IOH(Input/ 1249 Output Hub), ML7213, ML7223 and ML7831. 1250 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 1251 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 1252 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1253 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1254 1255config SERIAL_PCH_UART_CONSOLE 1256 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH" 1257 depends on SERIAL_PCH_UART=y 1258 select SERIAL_CORE_CONSOLE 1259 help 1260 Say Y here if you wish to use the PCH UART as the system console 1261 (the system console is the device which receives all kernel messages and 1262 warnings and which allows logins in single user mode). 1263 1264config SERIAL_MXS_AUART 1265 tristate "MXS AUART support" 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 && ATH79 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 ARCH_STM32 || COMPILE_TEST 1477 help 1478 This driver is for the on-chip Serial Controller on 1479 STMicroelectronics STM32 MCUs. 1480 USART supports Rx & Tx functionality. 1481 It support all industry standard baud rates. 1482 1483 If unsure, say N. 1484 1485config SERIAL_STM32_CONSOLE 1486 bool "Support for console on STM32" 1487 depends on SERIAL_STM32=y 1488 select SERIAL_CORE_CONSOLE 1489 1490config SERIAL_MVEBU_UART 1491 bool "Marvell EBU serial port support" 1492 depends on ARCH_MVEBU || COMPILE_TEST 1493 select SERIAL_CORE 1494 help 1495 This driver is for Marvell EBU SoC's UART. If you have a machine 1496 based on the Armada-3700 SoC and wish to use the on-board serial 1497 port, 1498 say 'Y' here. 1499 Otherwise, say 'N'. 1500 1501config SERIAL_MVEBU_CONSOLE 1502 bool "Console on Marvell EBU serial port" 1503 depends on SERIAL_MVEBU_UART 1504 select SERIAL_CORE_CONSOLE 1505 select SERIAL_EARLYCON 1506 default y 1507 help 1508 Say 'Y' here if you wish to use Armada-3700 UART as the system console. 1509 (the system console is the device which receives all kernel messages 1510 and warnings and which allows logins in single user mode) 1511 Otherwise, say 'N'. 1512 1513config SERIAL_OWL 1514 tristate "Actions Semi Owl serial port support" 1515 depends on ARCH_ACTIONS || COMPILE_TEST 1516 select SERIAL_CORE 1517 help 1518 This driver is for Actions Semiconductor S500/S900 SoC's UART. 1519 Say 'Y' here if you wish to use the on-board serial port. 1520 Otherwise, say 'N'. 1521 1522config SERIAL_OWL_CONSOLE 1523 bool "Console on Actions Semi Owl serial port" 1524 depends on SERIAL_OWL=y 1525 select SERIAL_CORE_CONSOLE 1526 select SERIAL_EARLYCON 1527 default y 1528 help 1529 Say 'Y' here if you wish to use Actions Semiconductor S500/S900 UART 1530 as the system console. 1531 1532config SERIAL_RDA 1533 bool "RDA Micro serial port support" 1534 depends on ARCH_RDA || COMPILE_TEST 1535 select SERIAL_CORE 1536 help 1537 This driver is for RDA8810PL SoC's UART. 1538 Say 'Y' here if you wish to use the on-board serial port. 1539 Otherwise, say 'N'. 1540 1541config SERIAL_RDA_CONSOLE 1542 bool "Console on RDA Micro serial port" 1543 depends on SERIAL_RDA=y 1544 select SERIAL_CORE_CONSOLE 1545 select SERIAL_EARLYCON 1546 default y 1547 help 1548 Say 'Y' here if you wish to use the RDA8810PL UART as the system 1549 console. Only earlycon is implemented currently. 1550 1551endmenu 1552 1553config SERIAL_MCTRL_GPIO 1554 tristate 1555 1556endif # TTY 1557