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 / AT32 on-chip serial port support" 118 depends on HAS_DMA 119 depends on ARCH_AT91 || AVR32 || 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 and AT32 processors. 125 126config SERIAL_ATMEL_CONSOLE 127 bool "Support for console on AT91 / AT32 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 or AT32 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 / AT32 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 / AT32 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 / AT32 UARTs 156 appear as /dev/ttyATn (major 204, minor starting at 154) 157 instead of the normal /dev/ttySn (major 4, minor starting at 158 64). This is necessary if you also want other UARTs, such as 159 external 8250/16C550 compatible UARTs. 160 The ttySn nodes are legally reserved for the 8250 serial driver 161 but are often misused by other serial drivers. 162 163 To use this, you should create suitable ttyATn device nodes in 164 /dev/, and pass "console=ttyATn" to the kernel. 165 166 Say Y if you have an external 8250/16C550 UART. If unsure, say N. 167 168config SERIAL_KGDB_NMI 169 bool "Serial console over KGDB NMI debugger port" 170 depends on KGDB_SERIAL_CONSOLE 171 help 172 This special driver allows you to temporary use NMI debugger port 173 as a normal console (assuming that the port is attached to KGDB). 174 175 Unlike KDB's disable_nmi command, with this driver you are always 176 able to go back to the debugger using KGDB escape sequence ($3#33). 177 This is because this console driver processes the input in NMI 178 context, and thus is able to intercept the magic sequence. 179 180 Note that since the console interprets input and uses polling 181 communication methods, for things like PPP you still must fully 182 detach debugger port from the KGDB NMI (i.e. disable_nmi), and 183 use raw console. 184 185 If unsure, say N. 186 187config SERIAL_KS8695 188 bool "Micrel KS8695 (Centaur) serial port support" 189 depends on ARCH_KS8695 190 select SERIAL_CORE 191 help 192 This selects the Micrel Centaur KS8695 UART. Say Y here. 193 194config SERIAL_KS8695_CONSOLE 195 bool "Support for console on KS8695 (Centaur) serial port" 196 depends on SERIAL_KS8695=y 197 select SERIAL_CORE_CONSOLE 198 help 199 Say Y here if you wish to use a KS8695 (Centaur) UART as the 200 system console (the system console is the device which 201 receives all kernel messages and warnings and which allows 202 logins in single user mode). 203 204config SERIAL_MESON 205 tristate "Meson serial port support" 206 depends on ARCH_MESON 207 select SERIAL_CORE 208 help 209 This enables the driver for the on-chip UARTs of the Amlogic 210 MesonX processors. 211 212config SERIAL_MESON_CONSOLE 213 bool "Support for console on meson" 214 depends on SERIAL_MESON=y 215 select SERIAL_CORE_CONSOLE 216 select SERIAL_EARLYCON 217 help 218 Say Y here if you wish to use a Amlogic MesonX UART as the 219 system console (the system console is the device which 220 receives all kernel messages and warnings and which allows 221 logins in single user mode) as /dev/ttyAMLx. 222 223config SERIAL_CLPS711X 224 tristate "CLPS711X serial port support" 225 depends on ARCH_CLPS711X || COMPILE_TEST 226 select SERIAL_CORE 227 select SERIAL_MCTRL_GPIO if GPIOLIB 228 help 229 This enables the driver for the on-chip UARTs of the Cirrus 230 Logic EP711x/EP721x/EP731x processors. 231 232config SERIAL_CLPS711X_CONSOLE 233 bool "Support for console on CLPS711X serial port" 234 depends on SERIAL_CLPS711X=y 235 select SERIAL_CORE_CONSOLE 236 help 237 Even if you say Y here, the currently visible virtual console 238 (/dev/tty0) will still be used as the system console by default, but 239 you can alter that using a kernel command line option such as 240 "console=ttyCL1". 241 242config SERIAL_SAMSUNG 243 tristate "Samsung SoC serial support" 244 depends on PLAT_SAMSUNG || ARCH_EXYNOS 245 select SERIAL_CORE 246 help 247 Support for the on-chip UARTs on the Samsung S3C24XX series CPUs, 248 providing /dev/ttySAC0, 1 and 2 (note, some machines may not 249 provide all of these ports, depending on how the serial port 250 pins are configured. 251 252config SERIAL_SAMSUNG_UARTS_4 253 bool 254 depends on SERIAL_SAMSUNG 255 default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442) 256 help 257 Internal node for the common case of 4 Samsung compatible UARTs 258 259config SERIAL_SAMSUNG_UARTS 260 int 261 depends on SERIAL_SAMSUNG 262 default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416 263 default 3 264 help 265 Select the number of available UART ports for the Samsung S3C 266 serial driver 267 268config SERIAL_SAMSUNG_DEBUG 269 bool "Samsung SoC serial debug" 270 depends on SERIAL_SAMSUNG && DEBUG_LL 271 help 272 Add support for debugging the serial driver. Since this is 273 generally being used as a console, we use our own output 274 routines that go via the low-level debug printascii() 275 function. 276 277config SERIAL_SAMSUNG_CONSOLE 278 bool "Support for console on Samsung SoC serial port" 279 depends on SERIAL_SAMSUNG=y 280 select SERIAL_CORE_CONSOLE 281 select SERIAL_EARLYCON 282 help 283 Allow selection of the S3C24XX on-board serial ports for use as 284 an virtual console. 285 286 Even if you say Y here, the currently visible virtual console 287 (/dev/tty0) will still be used as the system console by default, but 288 you can alter that using a kernel command line option such as 289 "console=ttySACx". (Try "man bootparam" or see the documentation of 290 your boot loader about how to pass options to the kernel at 291 boot time.) 292 293config SERIAL_SIRFSOC 294 tristate "SiRF SoC Platform Serial port support" 295 depends on ARCH_SIRF 296 select SERIAL_CORE 297 help 298 Support for the on-chip UART on the CSR SiRFprimaII series, 299 providing /dev/ttySiRF0, 1 and 2 (note, some machines may not 300 provide all of these ports, depending on how the serial port 301 pins are configured). 302 303config SERIAL_SIRFSOC_CONSOLE 304 bool "Support for console on SiRF SoC serial port" 305 depends on SERIAL_SIRFSOC=y 306 select SERIAL_CORE_CONSOLE 307 help 308 Even if you say Y here, the currently visible virtual console 309 (/dev/tty0) will still be used as the system console by default, but 310 you can alter that using a kernel command line option such as 311 "console=ttySiRFx". (Try "man bootparam" or see the documentation of 312 your boot loader about how to pass options to the kernel at 313 boot time.) 314 315config SERIAL_TEGRA 316 tristate "NVIDIA Tegra20/30 SoC serial controller" 317 depends on ARCH_TEGRA && TEGRA20_APB_DMA 318 select SERIAL_CORE 319 help 320 Support for the on-chip UARTs on the NVIDIA Tegra series SOCs 321 providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not 322 provide all of these ports, depending on how the serial port 323 are enabled). This driver uses the APB DMA to achieve higher baudrate 324 and better performance. 325 326config SERIAL_MAX3100 327 tristate "MAX3100 support" 328 depends on SPI 329 select SERIAL_CORE 330 help 331 MAX3100 chip support 332 333config SERIAL_MAX310X 334 tristate "MAX310X support" 335 depends on SPI_MASTER 336 select SERIAL_CORE 337 select REGMAP_SPI if SPI_MASTER 338 default n 339 help 340 This selects support for an advanced UART from Maxim (Dallas). 341 Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830. 342 Each IC contains 128 words each of receive and transmit FIFO 343 that can be controlled through I2C or high-speed SPI. 344 345 Say Y here if you want to support this ICs. 346 347config SERIAL_DZ 348 bool "DECstation DZ serial driver" 349 depends on MACH_DECSTATION && 32BIT 350 select SERIAL_CORE 351 default y 352 ---help--- 353 DZ11-family serial controllers for DECstations and VAXstations, 354 including the DC7085, M7814, and M7819. 355 356config SERIAL_DZ_CONSOLE 357 bool "Support console on DECstation DZ serial driver" 358 depends on SERIAL_DZ=y 359 select SERIAL_CORE_CONSOLE 360 default y 361 ---help--- 362 If you say Y here, it will be possible to use a serial port as the 363 system console (the system console is the device which receives all 364 kernel messages and warnings and which allows logins in single user 365 mode). 366 367 Note that the firmware uses ttyS3 as the serial console on 368 DECstations that use this driver. 369 370 If unsure, say Y. 371 372config SERIAL_ZS 373 tristate "DECstation Z85C30 serial support" 374 depends on MACH_DECSTATION 375 select SERIAL_CORE 376 default y 377 ---help--- 378 Support for the Zilog 85C350 serial communications controller used 379 for serial ports in newer DECstation systems. These include the 380 DECsystem 5900 and all models of the DECstation and DECsystem 5000 381 systems except from model 200. 382 383 If unsure, say Y. To compile this driver as a module, choose M here: 384 the module will be called zs. 385 386config SERIAL_ZS_CONSOLE 387 bool "Support for console on a DECstation Z85C30 serial port" 388 depends on SERIAL_ZS=y 389 select SERIAL_CORE_CONSOLE 390 default y 391 ---help--- 392 If you say Y here, it will be possible to use a serial port as the 393 system console (the system console is the device which receives all 394 kernel messages and warnings and which allows logins in single user 395 mode). 396 397 Note that the firmware uses ttyS1 as the serial console on the 398 Maxine and ttyS3 on the others using this driver. 399 400 If unsure, say Y. 401 402config SERIAL_21285 403 tristate "DC21285 serial port support" 404 depends on FOOTBRIDGE 405 select SERIAL_CORE 406 help 407 If you have a machine based on a 21285 (Footbridge) StrongARM(R)/ 408 PCI bridge you can enable its onboard serial port by enabling this 409 option. 410 411config SERIAL_21285_CONSOLE 412 bool "Console on DC21285 serial port" 413 depends on SERIAL_21285=y 414 select SERIAL_CORE_CONSOLE 415 help 416 If you have enabled the serial port on the 21285 footbridge you can 417 make it the console by answering Y to this option. 418 419 Even if you say Y here, the currently visible virtual console 420 (/dev/tty0) will still be used as the system console by default, but 421 you can alter that using a kernel command line option such as 422 "console=ttyFB". (Try "man bootparam" or see the documentation of 423 your boot loader (lilo or loadlin) about how to pass options to the 424 kernel at boot time.) 425 426config SERIAL_MPSC 427 bool "Marvell MPSC serial port support" 428 depends on MV64X60 429 select SERIAL_CORE 430 help 431 Say Y here if you want to use the Marvell MPSC serial controller. 432 433config SERIAL_MPSC_CONSOLE 434 bool "Support for console on Marvell MPSC serial port" 435 depends on SERIAL_MPSC 436 select SERIAL_CORE_CONSOLE 437 help 438 Say Y here if you want to support a serial console on a Marvell MPSC. 439 440config SERIAL_PXA 441 bool "PXA serial port support (DEPRECATED)" 442 depends on ARCH_PXA || ARCH_MMP 443 select SERIAL_CORE 444 select SERIAL_8250_PXA if SERIAL_8250=y 445 select SERIAL_PXA_NON8250 if !SERIAL_8250=y 446 help 447 If you have a machine based on an Intel XScale PXA2xx CPU you 448 can enable its onboard serial ports by enabling this option. 449 450 Unless you have a specific need, you should use SERIAL_8250_PXA 451 instead of this. 452 453config SERIAL_PXA_NON8250 454 bool 455 depends on !SERIAL_8250 456 457config SERIAL_PXA_CONSOLE 458 bool "Console on PXA serial port (DEPRECATED)" 459 depends on SERIAL_PXA 460 select SERIAL_CORE_CONSOLE 461 select SERIAL_8250_CONSOLE if SERIAL_8250=y 462 help 463 If you have enabled the serial port on the Intel XScale PXA 464 CPU you can make it the console by answering Y to this option. 465 466 Even if you say Y here, the currently visible virtual console 467 (/dev/tty0) will still be used as the system console by default, but 468 you can alter that using a kernel command line option such as 469 "console=ttySA0". (Try "man bootparam" or see the documentation of 470 your boot loader (lilo or loadlin) about how to pass options to the 471 kernel at boot time.) 472 473 Unless you have a specific need, you should use SERIAL_8250_PXA 474 and SERIAL_8250_CONSOLE instead of this. 475 476config SERIAL_SA1100 477 bool "SA1100 serial port support" 478 depends on ARCH_SA1100 479 select SERIAL_CORE 480 help 481 If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you 482 can enable its onboard serial port by enabling this option. 483 Please read <file:Documentation/arm/SA1100/serial_UART> for further 484 info. 485 486config SERIAL_SA1100_CONSOLE 487 bool "Console on SA1100 serial port" 488 depends on SERIAL_SA1100 489 select SERIAL_CORE_CONSOLE 490 help 491 If you have enabled the serial port on the SA1100/SA1110 StrongARM 492 CPU you can make it the console by answering Y to this option. 493 494 Even if you say Y here, the currently visible virtual console 495 (/dev/tty0) will still be used as the system console by default, but 496 you can alter that using a kernel command line option such as 497 "console=ttySA0". (Try "man bootparam" or see the documentation of 498 your boot loader (lilo or loadlin) about how to pass options to the 499 kernel at boot time.) 500 501config SERIAL_BFIN 502 tristate "Blackfin serial port support" 503 depends on BLACKFIN 504 select SERIAL_CORE 505 select SERIAL_BFIN_UART0 if (BF531 || BF532 || BF533 || BF561) 506 help 507 Add support for the built-in UARTs on the Blackfin. 508 509 To compile this driver as a module, choose M here: the 510 module is named bfin_uart.ko. 511 512config SERIAL_BFIN_CONSOLE 513 bool "Console on Blackfin serial port" 514 depends on SERIAL_BFIN=y 515 select SERIAL_CORE_CONSOLE 516 517choice 518 prompt "UART Mode" 519 depends on SERIAL_BFIN 520 default SERIAL_BFIN_DMA 521 help 522 This driver supports the built-in serial ports of the Blackfin family 523 of CPUs 524 525config SERIAL_BFIN_DMA 526 bool "DMA mode" 527 depends on !DMA_UNCACHED_NONE && KGDB_SERIAL_CONSOLE=n 528 help 529 This driver works under DMA mode. If this option is selected, the 530 blackfin simple dma driver is also enabled. 531 532config SERIAL_BFIN_PIO 533 bool "PIO mode" 534 help 535 This driver works under PIO mode. 536 537endchoice 538 539config SERIAL_BFIN_UART0 540 bool "Enable UART0" 541 depends on SERIAL_BFIN 542 help 543 Enable UART0 544 545config BFIN_UART0_CTSRTS 546 bool "Enable UART0 hardware flow control" 547 depends on SERIAL_BFIN_UART0 548 help 549 Enable hardware flow control in the driver. 550 551config SERIAL_BFIN_UART1 552 bool "Enable UART1" 553 depends on SERIAL_BFIN && (!BF531 && !BF532 && !BF533 && !BF561) 554 help 555 Enable UART1 556 557config BFIN_UART1_CTSRTS 558 bool "Enable UART1 hardware flow control" 559 depends on SERIAL_BFIN_UART1 560 help 561 Enable hardware flow control in the driver. 562 563config SERIAL_BFIN_UART2 564 bool "Enable UART2" 565 depends on SERIAL_BFIN && (BF54x || BF538 || BF539) 566 help 567 Enable UART2 568 569config BFIN_UART2_CTSRTS 570 bool "Enable UART2 hardware flow control" 571 depends on SERIAL_BFIN_UART2 572 help 573 Enable hardware flow control in the driver. 574 575config SERIAL_BFIN_UART3 576 bool "Enable UART3" 577 depends on SERIAL_BFIN && (BF54x) 578 help 579 Enable UART3 580 581config BFIN_UART3_CTSRTS 582 bool "Enable UART3 hardware flow control" 583 depends on SERIAL_BFIN_UART3 584 help 585 Enable hardware flow control in the driver. 586 587config SERIAL_IMX 588 tristate "IMX serial port support" 589 depends on HAS_DMA 590 depends on ARCH_MXC || COMPILE_TEST 591 select SERIAL_CORE 592 select RATIONAL 593 select SERIAL_MCTRL_GPIO if GPIOLIB 594 help 595 If you have a machine based on a Motorola IMX CPU you 596 can enable its onboard serial port by enabling this option. 597 598config SERIAL_IMX_CONSOLE 599 bool "Console on IMX serial port" 600 depends on SERIAL_IMX=y 601 select SERIAL_CORE_CONSOLE 602 select SERIAL_EARLYCON if OF 603 help 604 If you have enabled the serial port on the Freescale IMX 605 CPU you can make it the console by answering Y to this option. 606 607 Even if you say Y here, the currently visible virtual console 608 (/dev/tty0) will still be used as the system console by default, but 609 you can alter that using a kernel command line option such as 610 "console=ttymxc0". (Try "man bootparam" or see the documentation of 611 your bootloader about how to pass options to the kernel at boot time.) 612 613config SERIAL_UARTLITE 614 tristate "Xilinx uartlite serial port support" 615 depends on HAS_IOMEM 616 select SERIAL_CORE 617 help 618 Say Y here if you want to use the Xilinx uartlite serial controller. 619 620 To compile this driver as a module, choose M here: the 621 module will be called uartlite. 622 623config SERIAL_UARTLITE_CONSOLE 624 bool "Support for console on Xilinx uartlite serial port" 625 depends on SERIAL_UARTLITE=y 626 select SERIAL_CORE_CONSOLE 627 select SERIAL_EARLYCON 628 help 629 Say Y here if you wish to use a Xilinx uartlite as the system 630 console (the system console is the device which receives all kernel 631 messages and warnings and which allows logins in single user mode). 632 633config SERIAL_UARTLITE_NR_UARTS 634 int "Maximum number of uartlite serial ports" 635 depends on SERIAL_UARTLITE 636 range 1 256 637 default 1 638 help 639 Set this to the number of uartlites in your system, or the number 640 you think you might implement. 641 642config SERIAL_SUNCORE 643 bool 644 depends on SPARC 645 select SERIAL_CORE 646 select SERIAL_CORE_CONSOLE 647 default y 648 649config SERIAL_SUNZILOG 650 tristate "Sun Zilog8530 serial support" 651 depends on SPARC 652 help 653 This driver supports the Zilog8530 serial ports found on many Sparc 654 systems. Say Y or M if you want to be able to these serial ports. 655 656config SERIAL_SUNZILOG_CONSOLE 657 bool "Console on Sun Zilog8530 serial port" 658 depends on SERIAL_SUNZILOG=y 659 help 660 If you would like to be able to use the Zilog8530 serial port 661 on your Sparc system as the console, you can do so by answering 662 Y to this option. 663 664config SERIAL_SUNSU 665 tristate "Sun SU serial support" 666 depends on SPARC && PCI 667 help 668 This driver supports the 8250 serial ports that run the keyboard and 669 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able 670 to these serial ports. 671 672config SERIAL_SUNSU_CONSOLE 673 bool "Console on Sun SU serial port" 674 depends on SERIAL_SUNSU=y 675 help 676 If you would like to be able to use the SU serial port 677 on your Sparc system as the console, you can do so by answering 678 Y to this option. 679 680config SERIAL_MUX 681 tristate "Serial MUX support" 682 depends on GSC 683 select SERIAL_CORE 684 default y 685 ---help--- 686 Saying Y here will enable the hardware MUX serial driver for 687 the Nova, K class systems and D class with a 'remote control card'. 688 The hardware MUX is not 8250/16550 compatible therefore the 689 /dev/ttyB0 device is shared between the Serial MUX and the PDC 690 software console. The following steps need to be completed to use 691 the Serial MUX: 692 693 1. create the device entry (mknod /dev/ttyB0 c 11 0) 694 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 695 3. Add device ttyB0 to /etc/securetty (if you want to log on as 696 root on this console.) 697 4. Change the kernel command console parameter to: console=ttyB0 698 699config SERIAL_MUX_CONSOLE 700 bool "Support for console on serial MUX" 701 depends on SERIAL_MUX=y 702 select SERIAL_CORE_CONSOLE 703 default y 704 705config PDC_CONSOLE 706 bool "PDC software console support" 707 depends on PARISC && !SERIAL_MUX && VT 708 default n 709 help 710 Saying Y here will enable the software based PDC console to be 711 used as the system console. This is useful for machines in 712 which the hardware based console has not been written yet. The 713 following steps must be completed to use the PDC console: 714 715 1. create the device entry (mknod /dev/ttyB0 c 11 0) 716 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 717 3. Add device ttyB0 to /etc/securetty (if you want to log on as 718 root on this console.) 719 4. Change the kernel command console parameter to: console=ttyB0 720 721config SERIAL_SUNSAB 722 tristate "Sun Siemens SAB82532 serial support" 723 depends on SPARC && PCI 724 help 725 This driver supports the Siemens SAB82532 DUSCC serial ports on newer 726 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these 727 serial ports. 728 729config SERIAL_SUNSAB_CONSOLE 730 bool "Console on Sun Siemens SAB82532 serial port" 731 depends on SERIAL_SUNSAB=y 732 help 733 If you would like to be able to use the SAB82532 serial port 734 on your Sparc system as the console, you can do so by answering 735 Y to this option. 736 737config SERIAL_SUNHV 738 bool "Sun4v Hypervisor Console support" 739 depends on SPARC64 740 help 741 This driver supports the console device found on SUN4V Sparc 742 systems. Say Y if you want to be able to use this device. 743 744config SERIAL_IP22_ZILOG 745 tristate "SGI Zilog8530 serial support" 746 depends on SGI_HAS_ZILOG 747 select SERIAL_CORE 748 help 749 This driver supports the Zilog8530 serial ports found on SGI 750 systems. Say Y or M if you want to be able to these serial ports. 751 752config SERIAL_IP22_ZILOG_CONSOLE 753 bool "Console on SGI Zilog8530 serial port" 754 depends on SERIAL_IP22_ZILOG=y 755 select SERIAL_CORE_CONSOLE 756 757config SERIAL_SH_SCI 758 tristate "SuperH SCI(F) serial port support" 759 depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST 760 select SERIAL_CORE 761 select SERIAL_MCTRL_GPIO if GPIOLIB 762 763config SERIAL_SH_SCI_NR_UARTS 764 int "Maximum number of SCI(F) serial ports" 765 depends on SERIAL_SH_SCI 766 default "2" 767 768config SERIAL_SH_SCI_CONSOLE 769 bool "Support for console on SuperH SCI(F)" 770 depends on SERIAL_SH_SCI=y 771 select SERIAL_CORE_CONSOLE 772 773config SERIAL_SH_SCI_EARLYCON 774 bool "Support for early console on SuperH SCI(F)" 775 depends on SERIAL_SH_SCI=y 776 select SERIAL_CORE_CONSOLE 777 select SERIAL_EARLYCON 778 779config SERIAL_SH_SCI_DMA 780 bool "DMA support" 781 depends on SERIAL_SH_SCI && DMA_ENGINE 782 783config SERIAL_PNX8XXX 784 bool "Enable PNX8XXX SoCs' UART Support" 785 depends on SOC_PNX833X 786 select SERIAL_CORE 787 help 788 If you have a MIPS-based Philips SoC such as PNX8330 and you want 789 to use serial ports, say Y. Otherwise, say N. 790 791config SERIAL_PNX8XXX_CONSOLE 792 bool "Enable PNX8XX0 serial console" 793 depends on SERIAL_PNX8XXX 794 select SERIAL_CORE_CONSOLE 795 help 796 If you have a MIPS-based Philips SoC such as PNX8330 and you want 797 to use serial console, say Y. Otherwise, say N. 798 799config SERIAL_HS_LPC32XX 800 tristate "LPC32XX high speed serial port support" 801 depends on ARCH_LPC32XX && OF 802 select SERIAL_CORE 803 help 804 Support for the LPC32XX high speed serial ports (up to 900kbps). 805 Those are UARTs completely different from the Standard UARTs on the 806 LPC32XX SoC. 807 Choose M or Y here to build this driver. 808 809config SERIAL_HS_LPC32XX_CONSOLE 810 bool "Enable LPC32XX high speed UART serial console" 811 depends on SERIAL_HS_LPC32XX=y 812 select SERIAL_CORE_CONSOLE 813 help 814 If you would like to be able to use one of the high speed serial 815 ports on the LPC32XX as the console, you can do so by answering 816 Y to this option. 817 818config SERIAL_CORE 819 tristate 820 821config SERIAL_CORE_CONSOLE 822 bool 823 824config CONSOLE_POLL 825 bool 826 827config SERIAL_MCF 828 bool "Coldfire serial support" 829 depends on COLDFIRE 830 select SERIAL_CORE 831 help 832 This serial driver supports the Freescale Coldfire serial ports. 833 834config SERIAL_MCF_BAUDRATE 835 int "Default baudrate for Coldfire serial ports" 836 depends on SERIAL_MCF 837 default 19200 838 help 839 This setting lets you define what the default baudrate is for the 840 ColdFire serial ports. The usual default varies from board to board, 841 and this setting is a way of catering for that. 842 843config SERIAL_MCF_CONSOLE 844 bool "Coldfire serial console support" 845 depends on SERIAL_MCF 846 select SERIAL_CORE_CONSOLE 847 help 848 Enable a ColdFire internal serial port to be the system console. 849 850config SERIAL_PMACZILOG 851 tristate "Mac or PowerMac z85c30 ESCC support" 852 depends on (M68K && MAC) || PPC_PMAC 853 select SERIAL_CORE 854 help 855 This driver supports the Zilog z85C30 serial ports found on 856 (Power)Mac machines. 857 Say Y or M if you want to be able to these serial ports. 858 859config SERIAL_PMACZILOG_TTYS 860 bool "Use ttySn device nodes for Zilog z85c30" 861 depends on SERIAL_PMACZILOG 862 help 863 The pmac_zilog driver for the z85C30 chip on many powermacs 864 historically used the device numbers for /dev/ttySn. The 865 8250 serial port driver also uses these numbers, which means 866 the two drivers being unable to coexist; you could not use 867 both z85C30 and 8250 type ports at the same time. 868 869 If this option is not selected, the pmac_zilog driver will 870 use the device numbers allocated for /dev/ttyPZn. This allows 871 the pmac_zilog and 8250 drivers to co-exist, but may cause 872 existing userspace setups to break. Programs that need to 873 access the built-in serial ports on powermacs will need to 874 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn. 875 876 If you enable this option, any z85c30 ports in the system will 877 be registered as ttyS0 onwards as in the past, and you will be 878 unable to use the 8250 module for PCMCIA or other 16C550-style 879 UARTs. 880 881 Say N unless you need the z85c30 ports on your (Power)Mac 882 to appear as /dev/ttySn. 883 884config SERIAL_PMACZILOG_CONSOLE 885 bool "Console on Mac or PowerMac z85c30 serial port" 886 depends on SERIAL_PMACZILOG=y 887 select SERIAL_CORE_CONSOLE 888 help 889 If you would like to be able to use the z85c30 serial port 890 on your (Power)Mac as the console, you can do so by answering 891 Y to this option. 892 893config SERIAL_CPM 894 tristate "CPM SCC/SMC serial port support" 895 depends on CPM2 || CPM1 896 select SERIAL_CORE 897 help 898 This driver supports the SCC and SMC serial ports on Motorola 899 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx) 900 901config SERIAL_CPM_CONSOLE 902 bool "Support for console on CPM SCC/SMC serial port" 903 depends on SERIAL_CPM=y 904 select SERIAL_CORE_CONSOLE 905 help 906 Say Y here if you wish to use a SCC or SMC CPM UART as the system 907 console (the system console is the device which receives all kernel 908 messages and warnings and which allows logins in single user mode). 909 910 Even if you say Y here, the currently visible framebuffer console 911 (/dev/tty0) will still be used as the system console by default, but 912 you can alter that using a kernel command line option such as 913 "console=ttyCPM0". (Try "man bootparam" or see the documentation of 914 your boot loader (lilo or loadlin) about how to pass options to the 915 kernel at boot time.) 916 917config SERIAL_SGI_L1_CONSOLE 918 bool "SGI Altix L1 serial console support" 919 depends on IA64_GENERIC || IA64_SGI_SN2 920 select SERIAL_CORE 921 select SERIAL_CORE_CONSOLE 922 help 923 If you have an SGI Altix and you would like to use the system 924 controller serial port as your console (you want this!), 925 say Y. Otherwise, say N. 926 927config SERIAL_PIC32 928 tristate "Microchip PIC32 serial support" 929 depends on MACH_PIC32 930 select SERIAL_CORE 931 help 932 If you have a PIC32, this driver supports the serial ports. 933 934 Say Y or M to use PIC32 serial ports, otherwise say N. Note that 935 to use a serial port as a console, this must be included in kernel and 936 not as a module. 937 938config SERIAL_PIC32_CONSOLE 939 bool "PIC32 serial console support" 940 depends on SERIAL_PIC32 941 select SERIAL_CORE_CONSOLE 942 help 943 If you have a PIC32, this driver supports the putting a console on one 944 of the serial ports. 945 946 Say Y to use the PIC32 console, otherwise say N. 947 948config SERIAL_MPC52xx 949 tristate "Freescale MPC52xx/MPC512x family PSC serial support" 950 depends on PPC_MPC52xx || PPC_MPC512x 951 select SERIAL_CORE 952 help 953 This driver supports MPC52xx and MPC512x PSC serial ports. If you would 954 like to use them, you must answer Y or M to this option. Note that 955 for use as console, it must be included in kernel and not as a 956 module. 957 958config SERIAL_MPC52xx_CONSOLE 959 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port" 960 depends on SERIAL_MPC52xx=y 961 select SERIAL_CORE_CONSOLE 962 help 963 Select this options if you'd like to use one of the PSC serial port 964 of the Freescale MPC52xx family as a console. 965 966config SERIAL_MPC52xx_CONSOLE_BAUD 967 int "Freescale MPC52xx/MPC512x family PSC serial port baud" 968 depends on SERIAL_MPC52xx_CONSOLE=y 969 default "9600" 970 help 971 Select the MPC52xx console baud rate. 972 This value is only used if the bootloader doesn't pass in the 973 console baudrate 974 975config SERIAL_ICOM 976 tristate "IBM Multiport Serial Adapter" 977 depends on PCI && PPC_PSERIES 978 select SERIAL_CORE 979 select FW_LOADER 980 help 981 This driver is for a family of multiport serial adapters 982 including 2 port RVX, 2 port internal modem, 4 port internal 983 modem and a split 1 port RVX and 1 port internal modem. 984 985 This driver can also be built as a module. If so, the module 986 will be called icom. 987 988config SERIAL_M32R_SIO 989 bool "M32R SIO I/F" 990 depends on M32R 991 default y 992 select SERIAL_CORE 993 help 994 Say Y here if you want to use the M32R serial controller. 995 996config SERIAL_M32R_SIO_CONSOLE 997 bool "use SIO console" 998 depends on SERIAL_M32R_SIO=y 999 select SERIAL_CORE_CONSOLE 1000 help 1001 Say Y here if you want to support a serial console. 1002 1003 If you use an M3T-M32700UT or an OPSPUT platform, 1004 please say also y for SERIAL_M32R_PLDSIO. 1005 1006config SERIAL_M32R_PLDSIO 1007 bool "M32R SIO I/F on a PLD" 1008 depends on SERIAL_M32R_SIO=y && (PLAT_OPSPUT || PLAT_USRV || PLAT_M32700UT) 1009 default n 1010 help 1011 Say Y here if you want to use the M32R serial controller 1012 on a PLD (Programmable Logic Device). 1013 1014 If you use an M3T-M32700UT or an OPSPUT platform, 1015 please say Y. 1016 1017config SERIAL_TXX9 1018 bool "TMPTX39XX/49XX SIO support" 1019 depends on HAS_TXX9_SERIAL 1020 select SERIAL_CORE 1021 default y 1022 1023config HAS_TXX9_SERIAL 1024 bool 1025 1026config SERIAL_TXX9_NR_UARTS 1027 int "Maximum number of TMPTX39XX/49XX SIO ports" 1028 depends on SERIAL_TXX9 1029 default "6" 1030 1031config SERIAL_TXX9_CONSOLE 1032 bool "TMPTX39XX/49XX SIO Console support" 1033 depends on SERIAL_TXX9=y 1034 select SERIAL_CORE_CONSOLE 1035 1036config SERIAL_TXX9_STDSERIAL 1037 bool "TX39XX/49XX SIO act as standard serial" 1038 depends on !SERIAL_8250 && SERIAL_TXX9 1039 1040config SERIAL_VR41XX 1041 tristate "NEC VR4100 series Serial Interface Unit support" 1042 depends on CPU_VR41XX 1043 select SERIAL_CORE 1044 help 1045 If you have a NEC VR4100 series processor and you want to use 1046 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) 1047 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. 1048 1049config SERIAL_VR41XX_CONSOLE 1050 bool "Enable NEC VR4100 series Serial Interface Unit console" 1051 depends on SERIAL_VR41XX=y 1052 select SERIAL_CORE_CONSOLE 1053 help 1054 If you have a NEC VR4100 series processor and you want to use 1055 a console on a serial port, say Y. Otherwise, say N. 1056 1057config SERIAL_JSM 1058 tristate "Digi International NEO and Classic PCI Support" 1059 depends on PCI 1060 select SERIAL_CORE 1061 help 1062 This is a driver for Digi International's Neo and Classic series 1063 of cards which provide multiple serial ports. You would need 1064 something like this to connect more than two modems to your Linux 1065 box, for instance in order to become a dial-in server. This driver 1066 supports PCI boards only. 1067 1068 If you have a card like this, say Y here, otherwise say N. 1069 1070 To compile this driver as a module, choose M here: the 1071 module will be called jsm. 1072 1073config SERIAL_SGI_IOC4 1074 tristate "SGI IOC4 controller serial support" 1075 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4 1076 select SERIAL_CORE 1077 help 1078 If you have an SGI Altix with an IOC4 based Base IO card 1079 and wish to use the serial ports on this card, say Y. 1080 Otherwise, say N. 1081 1082config SERIAL_SGI_IOC3 1083 tristate "SGI Altix IOC3 serial support" 1084 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3 1085 select SERIAL_CORE 1086 help 1087 If you have an SGI Altix with an IOC3 serial card, 1088 say Y or M. Otherwise, say N. 1089 1090config SERIAL_MSM 1091 tristate "MSM on-chip serial port support" 1092 depends on ARCH_QCOM 1093 select SERIAL_CORE 1094 1095config SERIAL_MSM_CONSOLE 1096 bool "MSM serial console support" 1097 depends on SERIAL_MSM=y 1098 select SERIAL_CORE_CONSOLE 1099 select SERIAL_EARLYCON 1100 1101config SERIAL_VT8500 1102 bool "VIA VT8500 on-chip serial port support" 1103 depends on ARCH_VT8500 1104 select SERIAL_CORE 1105 1106config SERIAL_VT8500_CONSOLE 1107 bool "VIA VT8500 serial console support" 1108 depends on SERIAL_VT8500=y 1109 select SERIAL_CORE_CONSOLE 1110 1111config SERIAL_ETRAXFS 1112 bool "ETRAX FS serial port support" 1113 depends on ETRAX_ARCH_V32 && OF 1114 select SERIAL_CORE 1115 select SERIAL_MCTRL_GPIO if GPIOLIB 1116 1117config SERIAL_ETRAXFS_CONSOLE 1118 bool "ETRAX FS serial console support" 1119 depends on SERIAL_ETRAXFS 1120 select SERIAL_CORE_CONSOLE 1121 1122config SERIAL_NETX 1123 tristate "NetX serial port support" 1124 depends on ARCH_NETX 1125 select SERIAL_CORE 1126 help 1127 If you have a machine based on a Hilscher NetX SoC you 1128 can enable its onboard serial port by enabling this option. 1129 1130 To compile this driver as a module, choose M here: the 1131 module will be called netx-serial. 1132 1133config SERIAL_NETX_CONSOLE 1134 bool "Console on NetX serial port" 1135 depends on SERIAL_NETX=y 1136 select SERIAL_CORE_CONSOLE 1137 help 1138 If you have enabled the serial port on the Hilscher NetX SoC 1139 you can make it the console by answering Y to this option. 1140 1141config SERIAL_OMAP 1142 tristate "OMAP serial port support" 1143 depends on ARCH_OMAP2PLUS 1144 select SERIAL_CORE 1145 help 1146 If you have a machine based on an Texas Instruments OMAP CPU you 1147 can enable its onboard serial ports by enabling this option. 1148 1149 By enabling this option you take advantage of dma feature available 1150 with the omap-serial driver. DMA support can be enabled from platform 1151 data. 1152 1153config SERIAL_OMAP_CONSOLE 1154 bool "Console on OMAP serial port" 1155 depends on SERIAL_OMAP=y 1156 select SERIAL_CORE_CONSOLE 1157 help 1158 Select this option if you would like to use omap serial port as 1159 console. 1160 1161 Even if you say Y here, the currently visible virtual console 1162 (/dev/tty0) will still be used as the system console by default, but 1163 you can alter that using a kernel command line option such as 1164 "console=ttyOx". (Try "man bootparam" or see the documentation of 1165 your boot loader about how to pass options to the kernel at 1166 boot time.) 1167 1168config SERIAL_LANTIQ 1169 bool "Lantiq serial driver" 1170 depends on LANTIQ 1171 select SERIAL_CORE 1172 select SERIAL_CORE_CONSOLE 1173 select SERIAL_EARLYCON 1174 help 1175 Support for console and UART on Lantiq SoCs. 1176 1177config SERIAL_QE 1178 tristate "Freescale QUICC Engine serial port support" 1179 depends on QUICC_ENGINE 1180 select SERIAL_CORE 1181 select FW_LOADER 1182 default n 1183 help 1184 This driver supports the QE serial ports on Freescale embedded 1185 PowerPC that contain a QUICC Engine. 1186 1187config SERIAL_SCCNXP 1188 tristate "SCCNXP serial port support" 1189 select SERIAL_CORE 1190 help 1191 This selects support for an advanced UART from NXP (Philips). 1192 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, 1193 SC28L202, SCC68681 and SCC68692. 1194 1195config SERIAL_SCCNXP_CONSOLE 1196 bool "Console on SCCNXP serial port" 1197 depends on SERIAL_SCCNXP=y 1198 select SERIAL_CORE_CONSOLE 1199 help 1200 Support for console on SCCNXP serial ports. 1201 1202config SERIAL_SC16IS7XX_CORE 1203 tristate 1204 1205config SERIAL_SC16IS7XX 1206 tristate "SC16IS7xx serial support" 1207 select SERIAL_CORE 1208 depends on (SPI_MASTER && !I2C) || I2C 1209 help 1210 This selects support for SC16IS7xx serial ports. 1211 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, 1212 SC16IS760 and SC16IS762. Select supported buses using options below. 1213 1214config SERIAL_SC16IS7XX_I2C 1215 bool "SC16IS7xx for I2C interface" 1216 depends on SERIAL_SC16IS7XX 1217 depends on I2C 1218 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1219 select REGMAP_I2C if I2C 1220 default y 1221 help 1222 Enable SC16IS7xx driver on I2C bus, 1223 If required say y, and say n to i2c if not required, 1224 Enabled by default to support oldconfig. 1225 You must select at least one bus for the driver to be built. 1226 1227config SERIAL_SC16IS7XX_SPI 1228 bool "SC16IS7xx for spi interface" 1229 depends on SERIAL_SC16IS7XX 1230 depends on SPI_MASTER 1231 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1232 select REGMAP_SPI if SPI_MASTER 1233 help 1234 Enable SC16IS7xx driver on SPI bus, 1235 If required say y, and say n to spi if not required, 1236 This is additional support to exsisting driver. 1237 You must select at least one bus for the driver to be built. 1238 1239config SERIAL_BFIN_SPORT 1240 tristate "Blackfin SPORT emulate UART" 1241 depends on BLACKFIN 1242 select SERIAL_CORE 1243 help 1244 Enable SPORT emulate UART on Blackfin series. 1245 1246 To compile this driver as a module, choose M here: the 1247 module will be called bfin_sport_uart. 1248 1249config SERIAL_BFIN_SPORT_CONSOLE 1250 bool "Console on Blackfin sport emulated uart" 1251 depends on SERIAL_BFIN_SPORT=y 1252 select SERIAL_CORE_CONSOLE 1253 1254config SERIAL_BFIN_SPORT0_UART 1255 bool "Enable UART over SPORT0" 1256 depends on SERIAL_BFIN_SPORT && !(BF542 || BF544) 1257 help 1258 Enable UART over SPORT0 1259 1260config SERIAL_BFIN_SPORT0_UART_CTSRTS 1261 bool "Enable UART over SPORT0 hardware flow control" 1262 depends on SERIAL_BFIN_SPORT0_UART 1263 help 1264 Enable hardware flow control in the driver. 1265 1266config SERIAL_BFIN_SPORT1_UART 1267 bool "Enable UART over SPORT1" 1268 depends on SERIAL_BFIN_SPORT 1269 help 1270 Enable UART over SPORT1 1271 1272config SERIAL_BFIN_SPORT1_UART_CTSRTS 1273 bool "Enable UART over SPORT1 hardware flow control" 1274 depends on SERIAL_BFIN_SPORT1_UART 1275 help 1276 Enable hardware flow control in the driver. 1277 1278config SERIAL_BFIN_SPORT2_UART 1279 bool "Enable UART over SPORT2" 1280 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1281 help 1282 Enable UART over SPORT2 1283 1284config SERIAL_BFIN_SPORT2_UART_CTSRTS 1285 bool "Enable UART over SPORT2 hardware flow control" 1286 depends on SERIAL_BFIN_SPORT2_UART 1287 help 1288 Enable hardware flow control in the driver. 1289 1290config SERIAL_BFIN_SPORT3_UART 1291 bool "Enable UART over SPORT3" 1292 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1293 help 1294 Enable UART over SPORT3 1295 1296config SERIAL_BFIN_SPORT3_UART_CTSRTS 1297 bool "Enable UART over SPORT3 hardware flow control" 1298 depends on SERIAL_BFIN_SPORT3_UART 1299 help 1300 Enable hardware flow control in the driver. 1301 1302config SERIAL_TIMBERDALE 1303 tristate "Support for timberdale UART" 1304 select SERIAL_CORE 1305 depends on X86_32 || COMPILE_TEST 1306 ---help--- 1307 Add support for UART controller on timberdale. 1308 1309config SERIAL_BCM63XX 1310 tristate "Broadcom BCM63xx/BCM33xx UART support" 1311 select SERIAL_CORE 1312 depends on MIPS || ARM || COMPILE_TEST 1313 help 1314 This enables the driver for the onchip UART core found on 1315 the following chipsets: 1316 1317 BCM33xx (cable modem) 1318 BCM63xx/BCM63xxx (DSL) 1319 BCM68xx (PON) 1320 BCM7xxx (STB) - DOCSIS console 1321 1322config SERIAL_BCM63XX_CONSOLE 1323 bool "Console on BCM63xx serial port" 1324 depends on SERIAL_BCM63XX=y 1325 select SERIAL_CORE_CONSOLE 1326 select SERIAL_EARLYCON 1327 help 1328 If you have enabled the serial port on the BCM63xx CPU 1329 you can make it the console by answering Y to this option. 1330 1331config SERIAL_GRLIB_GAISLER_APBUART 1332 tristate "GRLIB APBUART serial support" 1333 depends on OF && SPARC 1334 select SERIAL_CORE 1335 ---help--- 1336 Add support for the GRLIB APBUART serial port. 1337 1338config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE 1339 bool "Console on GRLIB APBUART serial port" 1340 depends on SERIAL_GRLIB_GAISLER_APBUART=y 1341 select SERIAL_CORE_CONSOLE 1342 help 1343 Support for running a console on the GRLIB APBUART 1344 1345config SERIAL_ALTERA_JTAGUART 1346 tristate "Altera JTAG UART support" 1347 select SERIAL_CORE 1348 help 1349 This driver supports the Altera JTAG UART port. 1350 1351config SERIAL_ALTERA_JTAGUART_CONSOLE 1352 bool "Altera JTAG UART console support" 1353 depends on SERIAL_ALTERA_JTAGUART=y 1354 select SERIAL_CORE_CONSOLE 1355 select SERIAL_EARLYCON 1356 help 1357 Enable a Altera JTAG UART port to be the system console. 1358 1359config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS 1360 bool "Bypass output when no connection" 1361 depends on SERIAL_ALTERA_JTAGUART_CONSOLE 1362 select SERIAL_CORE_CONSOLE 1363 help 1364 Bypass console output and keep going even if there is no 1365 JTAG terminal connection with the host. 1366 1367config SERIAL_ALTERA_UART 1368 tristate "Altera UART support" 1369 select SERIAL_CORE 1370 help 1371 This driver supports the Altera softcore UART port. 1372 1373config SERIAL_ALTERA_UART_MAXPORTS 1374 int "Maximum number of Altera UART ports" 1375 depends on SERIAL_ALTERA_UART 1376 default 4 1377 help 1378 This setting lets you define the maximum number of the Altera 1379 UART ports. The usual default varies from board to board, and 1380 this setting is a way of catering for that. 1381 1382config SERIAL_ALTERA_UART_BAUDRATE 1383 int "Default baudrate for Altera UART ports" 1384 depends on SERIAL_ALTERA_UART 1385 default 115200 1386 help 1387 This setting lets you define what the default baudrate is for the 1388 Altera UART ports. The usual default varies from board to board, 1389 and this setting is a way of catering for that. 1390 1391config SERIAL_ALTERA_UART_CONSOLE 1392 bool "Altera UART console support" 1393 depends on SERIAL_ALTERA_UART=y 1394 select SERIAL_CORE_CONSOLE 1395 select SERIAL_EARLYCON 1396 help 1397 Enable a Altera UART port to be the system console. 1398 1399config SERIAL_IFX6X60 1400 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" 1401 depends on GPIOLIB || COMPILE_TEST 1402 depends on SPI && HAS_DMA 1403 help 1404 Support for the IFX6x60 modem devices on Intel MID platforms. 1405 1406config SERIAL_PCH_UART 1407 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" 1408 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 1409 select SERIAL_CORE 1410 help 1411 This driver is for PCH(Platform controller Hub) UART of Intel EG20T 1412 which is an IOH(Input/Output Hub) for x86 embedded processor. 1413 Enabling PCH_DMA, this PCH UART works as DMA mode. 1414 1415 This driver also can be used for LAPIS Semiconductor IOH(Input/ 1416 Output Hub), ML7213, ML7223 and ML7831. 1417 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 1418 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 1419 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1420 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1421 1422config SERIAL_PCH_UART_CONSOLE 1423 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH" 1424 depends on SERIAL_PCH_UART=y 1425 select SERIAL_CORE_CONSOLE 1426 help 1427 Say Y here if you wish to use the PCH UART as the system console 1428 (the system console is the device which receives all kernel messages and 1429 warnings and which allows logins in single user mode). 1430 1431config SERIAL_MXS_AUART 1432 tristate "MXS AUART support" 1433 depends on HAS_DMA 1434 depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST 1435 select SERIAL_CORE 1436 select SERIAL_MCTRL_GPIO if GPIOLIB 1437 help 1438 This driver supports the MXS and Alphascale ASM9260 Application 1439 UART (AUART) port. 1440 1441config SERIAL_MXS_AUART_CONSOLE 1442 bool "MXS AUART console support" 1443 depends on SERIAL_MXS_AUART=y 1444 select SERIAL_CORE_CONSOLE 1445 help 1446 Enable a MXS AUART port to be the system console. 1447 1448config SERIAL_XILINX_PS_UART 1449 tristate "Cadence (Xilinx Zynq) UART support" 1450 depends on OF 1451 select SERIAL_CORE 1452 help 1453 This driver supports the Cadence UART. It is found e.g. in Xilinx 1454 Zynq. 1455 1456config SERIAL_XILINX_PS_UART_CONSOLE 1457 bool "Cadence UART console support" 1458 depends on SERIAL_XILINX_PS_UART=y 1459 select SERIAL_CORE_CONSOLE 1460 select SERIAL_EARLYCON 1461 help 1462 Enable a Cadence UART port to be the system console. 1463 1464config SERIAL_AR933X 1465 tristate "AR933X serial port support" 1466 depends on HAVE_CLK && SOC_AR933X 1467 select SERIAL_CORE 1468 help 1469 If you have an Atheros AR933X SOC based board and want to use the 1470 built-in UART of the SoC, say Y to this option. 1471 1472 To compile this driver as a module, choose M here: the 1473 module will be called ar933x_uart. 1474 1475config SERIAL_AR933X_CONSOLE 1476 bool "Console on AR933X serial port" 1477 depends on SERIAL_AR933X=y 1478 select SERIAL_CORE_CONSOLE 1479 help 1480 Enable a built-in UART port of the AR933X to be the system console. 1481 1482config SERIAL_AR933X_NR_UARTS 1483 int "Maximum number of AR933X serial ports" 1484 depends on SERIAL_AR933X 1485 default "2" 1486 help 1487 Set this to the number of serial ports you want the driver 1488 to support. 1489 1490config SERIAL_EFM32_UART 1491 tristate "EFM32 UART/USART port" 1492 depends on ARM && (ARCH_EFM32 || COMPILE_TEST) 1493 select SERIAL_CORE 1494 help 1495 This driver support the USART and UART ports on 1496 Energy Micro's efm32 SoCs. 1497 1498config SERIAL_MPS2_UART_CONSOLE 1499 bool "MPS2 UART console support" 1500 depends on SERIAL_MPS2_UART 1501 select SERIAL_CORE_CONSOLE 1502 select SERIAL_EARLYCON 1503 1504config SERIAL_MPS2_UART 1505 bool "MPS2 UART port" 1506 depends on ARCH_MPS2 || COMPILE_TEST 1507 select SERIAL_CORE 1508 help 1509 This driver support the UART ports on ARM MPS2. 1510 1511config SERIAL_EFM32_UART_CONSOLE 1512 bool "EFM32 UART/USART console support" 1513 depends on SERIAL_EFM32_UART=y 1514 select SERIAL_CORE_CONSOLE 1515 1516config SERIAL_TILEGX 1517 tristate "TILE-Gx on-chip serial port support" 1518 depends on TILEGX 1519 select TILE_GXIO_UART 1520 select SERIAL_CORE 1521 ---help--- 1522 This device provides access to the on-chip UARTs on the TILE-Gx 1523 processor. 1524 1525config SERIAL_ARC 1526 tristate "ARC UART driver support" 1527 select SERIAL_CORE 1528 help 1529 Driver for on-chip UART for ARC(Synopsys) for the legacy 1530 FPGA Boards (ML50x/ARCAngel4) 1531 1532config SERIAL_ARC_CONSOLE 1533 bool "Console on ARC UART" 1534 depends on SERIAL_ARC=y 1535 select SERIAL_CORE_CONSOLE 1536 select SERIAL_EARLYCON 1537 help 1538 Enable system Console on ARC UART 1539 1540config SERIAL_ARC_NR_PORTS 1541 int "Number of ARC UART ports" 1542 depends on SERIAL_ARC 1543 range 1 3 1544 default "1" 1545 help 1546 Set this to the number of serial ports you want the driver 1547 to support. 1548 1549config SERIAL_RP2 1550 tristate "Comtrol RocketPort EXPRESS/INFINITY support" 1551 depends on PCI 1552 select SERIAL_CORE 1553 help 1554 This driver supports the Comtrol RocketPort EXPRESS and 1555 RocketPort INFINITY families of PCI/PCIe multiport serial adapters. 1556 These adapters use a "RocketPort 2" ASIC that is not compatible 1557 with the original RocketPort driver (CONFIG_ROCKETPORT). 1558 1559 To compile this driver as a module, choose M here: the 1560 module will be called rp2. 1561 1562 If you want to compile this driver into the kernel, say Y here. If 1563 you don't have a suitable RocketPort card installed, say N. 1564 1565config SERIAL_RP2_NR_UARTS 1566 int "Maximum number of RocketPort EXPRESS/INFINITY ports" 1567 depends on SERIAL_RP2 1568 default "32" 1569 help 1570 If multiple cards are present, the default limit of 32 ports may 1571 need to be increased. 1572 1573config SERIAL_FSL_LPUART 1574 tristate "Freescale lpuart serial port support" 1575 depends on HAS_DMA 1576 select SERIAL_CORE 1577 help 1578 Support for the on-chip lpuart on some Freescale SOCs. 1579 1580config SERIAL_FSL_LPUART_CONSOLE 1581 bool "Console on Freescale lpuart serial port" 1582 depends on SERIAL_FSL_LPUART=y 1583 select SERIAL_CORE_CONSOLE 1584 select SERIAL_EARLYCON 1585 help 1586 If you have enabled the lpuart serial port on the Freescale SoCs, 1587 you can make it the console by answering Y to this option. 1588 1589config SERIAL_CONEXANT_DIGICOLOR 1590 tristate "Conexant Digicolor CX92xxx USART serial port support" 1591 depends on OF 1592 select SERIAL_CORE 1593 help 1594 Support for the on-chip USART on Conexant Digicolor SoCs. 1595 1596config SERIAL_CONEXANT_DIGICOLOR_CONSOLE 1597 bool "Console on Conexant Digicolor serial port" 1598 depends on SERIAL_CONEXANT_DIGICOLOR=y 1599 select SERIAL_CORE_CONSOLE 1600 help 1601 If you have enabled the USART serial port on Conexant Digicolor 1602 SoCs, you can make it the console by answering Y to this option. 1603 1604config SERIAL_ST_ASC 1605 tristate "ST ASC serial port support" 1606 select SERIAL_CORE 1607 depends on ARM || COMPILE_TEST 1608 help 1609 This driver is for the on-chip Asychronous Serial Controller on 1610 STMicroelectronics STi SoCs. 1611 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality. 1612 It support all industry standard baud rates. 1613 1614 If unsure, say N. 1615 1616config SERIAL_ST_ASC_CONSOLE 1617 bool "Support for console on ST ASC" 1618 depends on SERIAL_ST_ASC=y 1619 select SERIAL_CORE_CONSOLE 1620 1621config SERIAL_MEN_Z135 1622 tristate "MEN 16z135 Support" 1623 select SERIAL_CORE 1624 depends on MCB 1625 help 1626 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core 1627 on a MCB carrier. 1628 1629 This driver can also be build as a module. If so, the module will be called 1630 men_z135_uart.ko 1631 1632config SERIAL_SPRD 1633 tristate "Support for Spreadtrum serial" 1634 depends on ARCH_SPRD 1635 select SERIAL_CORE 1636 help 1637 This enables the driver for the Spreadtrum's serial. 1638 1639config SERIAL_SPRD_CONSOLE 1640 bool "Spreadtrum UART console support" 1641 depends on SERIAL_SPRD=y 1642 select SERIAL_CORE_CONSOLE 1643 select SERIAL_EARLYCON 1644 help 1645 Support for early debug console using Spreadtrum's serial. This enables 1646 the console before standard serial driver is probed. This is enabled 1647 with "earlycon" on the kernel command line. The console is 1648 enabled when early_param is processed. 1649 1650config SERIAL_STM32 1651 tristate "STMicroelectronics STM32 serial port support" 1652 select SERIAL_CORE 1653 depends on HAS_DMA 1654 depends on ARCH_STM32 || COMPILE_TEST 1655 help 1656 This driver is for the on-chip Serial Controller on 1657 STMicroelectronics STM32 MCUs. 1658 USART supports Rx & Tx functionality. 1659 It support all industry standard baud rates. 1660 1661 If unsure, say N. 1662 1663config SERIAL_STM32_CONSOLE 1664 bool "Support for console on STM32" 1665 depends on SERIAL_STM32=y 1666 select SERIAL_CORE_CONSOLE 1667 1668config SERIAL_MVEBU_UART 1669 bool "Marvell EBU serial port support" 1670 depends on ARCH_MVEBU || COMPILE_TEST 1671 select SERIAL_CORE 1672 help 1673 This driver is for Marvell EBU SoC's UART. If you have a machine 1674 based on the Armada-3700 SoC and wish to use the on-board serial 1675 port, 1676 say 'Y' here. 1677 Otherwise, say 'N'. 1678 1679config SERIAL_MVEBU_CONSOLE 1680 bool "Console on Marvell EBU serial port" 1681 depends on SERIAL_MVEBU_UART 1682 select SERIAL_CORE_CONSOLE 1683 select SERIAL_EARLYCON 1684 default y 1685 help 1686 Say 'Y' here if you wish to use Armada-3700 UART as the system console. 1687 (the system console is the device which receives all kernel messages 1688 and warnings and which allows logins in single user mode) 1689 Otherwise, say 'N'. 1690 1691endmenu 1692 1693config SERIAL_MCTRL_GPIO 1694 tristate 1695 1696endif # TTY 1697