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_SUNCORE 634 bool 635 depends on SPARC 636 select SERIAL_CORE 637 select SERIAL_CORE_CONSOLE 638 default y 639 640config SERIAL_SUNZILOG 641 tristate "Sun Zilog8530 serial support" 642 depends on SPARC 643 help 644 This driver supports the Zilog8530 serial ports found on many Sparc 645 systems. Say Y or M if you want to be able to these serial ports. 646 647config SERIAL_SUNZILOG_CONSOLE 648 bool "Console on Sun Zilog8530 serial port" 649 depends on SERIAL_SUNZILOG=y 650 help 651 If you would like to be able to use the Zilog8530 serial port 652 on your Sparc system as the console, you can do so by answering 653 Y to this option. 654 655config SERIAL_SUNSU 656 tristate "Sun SU serial support" 657 depends on SPARC && PCI 658 help 659 This driver supports the 8250 serial ports that run the keyboard and 660 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able 661 to these serial ports. 662 663config SERIAL_SUNSU_CONSOLE 664 bool "Console on Sun SU serial port" 665 depends on SERIAL_SUNSU=y 666 help 667 If you would like to be able to use the SU serial port 668 on your Sparc system as the console, you can do so by answering 669 Y to this option. 670 671config SERIAL_MUX 672 tristate "Serial MUX support" 673 depends on GSC 674 select SERIAL_CORE 675 default y 676 ---help--- 677 Saying Y here will enable the hardware MUX serial driver for 678 the Nova, K class systems and D class with a 'remote control card'. 679 The hardware MUX is not 8250/16550 compatible therefore the 680 /dev/ttyB0 device is shared between the Serial MUX and the PDC 681 software console. The following steps need to be completed to use 682 the Serial MUX: 683 684 1. create the device entry (mknod /dev/ttyB0 c 11 0) 685 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 686 3. Add device ttyB0 to /etc/securetty (if you want to log on as 687 root on this console.) 688 4. Change the kernel command console parameter to: console=ttyB0 689 690config SERIAL_MUX_CONSOLE 691 bool "Support for console on serial MUX" 692 depends on SERIAL_MUX=y 693 select SERIAL_CORE_CONSOLE 694 default y 695 696config PDC_CONSOLE 697 bool "PDC software console support" 698 depends on PARISC && !SERIAL_MUX && VT 699 default n 700 help 701 Saying Y here will enable the software based PDC console to be 702 used as the system console. This is useful for machines in 703 which the hardware based console has not been written yet. The 704 following steps must be completed to use the PDC console: 705 706 1. create the device entry (mknod /dev/ttyB0 c 11 0) 707 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 708 3. Add device ttyB0 to /etc/securetty (if you want to log on as 709 root on this console.) 710 4. Change the kernel command console parameter to: console=ttyB0 711 712config SERIAL_SUNSAB 713 tristate "Sun Siemens SAB82532 serial support" 714 depends on SPARC && PCI 715 help 716 This driver supports the Siemens SAB82532 DUSCC serial ports on newer 717 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these 718 serial ports. 719 720config SERIAL_SUNSAB_CONSOLE 721 bool "Console on Sun Siemens SAB82532 serial port" 722 depends on SERIAL_SUNSAB=y 723 help 724 If you would like to be able to use the SAB82532 serial port 725 on your Sparc system as the console, you can do so by answering 726 Y to this option. 727 728config SERIAL_SUNHV 729 bool "Sun4v Hypervisor Console support" 730 depends on SPARC64 731 help 732 This driver supports the console device found on SUN4V Sparc 733 systems. Say Y if you want to be able to use this device. 734 735config SERIAL_IP22_ZILOG 736 tristate "SGI Zilog8530 serial support" 737 depends on SGI_HAS_ZILOG 738 select SERIAL_CORE 739 help 740 This driver supports the Zilog8530 serial ports found on SGI 741 systems. Say Y or M if you want to be able to these serial ports. 742 743config SERIAL_IP22_ZILOG_CONSOLE 744 bool "Console on SGI Zilog8530 serial port" 745 depends on SERIAL_IP22_ZILOG=y 746 select SERIAL_CORE_CONSOLE 747 748config SERIAL_SH_SCI 749 tristate "SuperH SCI(F) serial port support" 750 depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST 751 select SERIAL_CORE 752 select SERIAL_MCTRL_GPIO if GPIOLIB 753 754config SERIAL_SH_SCI_NR_UARTS 755 int "Maximum number of SCI(F) serial ports" 756 depends on SERIAL_SH_SCI 757 default "2" 758 759config SERIAL_SH_SCI_CONSOLE 760 bool "Support for console on SuperH SCI(F)" 761 depends on SERIAL_SH_SCI=y 762 select SERIAL_CORE_CONSOLE 763 764config SERIAL_SH_SCI_EARLYCON 765 bool "Support for early console on SuperH SCI(F)" 766 depends on SERIAL_SH_SCI=y 767 select SERIAL_CORE_CONSOLE 768 select SERIAL_EARLYCON 769 770config SERIAL_SH_SCI_DMA 771 bool "DMA support" 772 depends on SERIAL_SH_SCI && DMA_ENGINE 773 774config SERIAL_PNX8XXX 775 bool "Enable PNX8XXX SoCs' UART Support" 776 depends on SOC_PNX833X 777 select SERIAL_CORE 778 help 779 If you have a MIPS-based Philips SoC such as PNX8330 and you want 780 to use serial ports, say Y. Otherwise, say N. 781 782config SERIAL_PNX8XXX_CONSOLE 783 bool "Enable PNX8XX0 serial console" 784 depends on SERIAL_PNX8XXX 785 select SERIAL_CORE_CONSOLE 786 help 787 If you have a MIPS-based Philips SoC such as PNX8330 and you want 788 to use serial console, say Y. Otherwise, say N. 789 790config SERIAL_HS_LPC32XX 791 tristate "LPC32XX high speed serial port support" 792 depends on ARCH_LPC32XX && OF 793 select SERIAL_CORE 794 help 795 Support for the LPC32XX high speed serial ports (up to 900kbps). 796 Those are UARTs completely different from the Standard UARTs on the 797 LPC32XX SoC. 798 Choose M or Y here to build this driver. 799 800config SERIAL_HS_LPC32XX_CONSOLE 801 bool "Enable LPC32XX high speed UART serial console" 802 depends on SERIAL_HS_LPC32XX=y 803 select SERIAL_CORE_CONSOLE 804 help 805 If you would like to be able to use one of the high speed serial 806 ports on the LPC32XX as the console, you can do so by answering 807 Y to this option. 808 809config SERIAL_CORE 810 tristate 811 812config SERIAL_CORE_CONSOLE 813 bool 814 815config CONSOLE_POLL 816 bool 817 818config SERIAL_MCF 819 bool "Coldfire serial support" 820 depends on COLDFIRE 821 select SERIAL_CORE 822 help 823 This serial driver supports the Freescale Coldfire serial ports. 824 825config SERIAL_MCF_BAUDRATE 826 int "Default baudrate for Coldfire serial ports" 827 depends on SERIAL_MCF 828 default 19200 829 help 830 This setting lets you define what the default baudrate is for the 831 ColdFire serial ports. The usual default varies from board to board, 832 and this setting is a way of catering for that. 833 834config SERIAL_MCF_CONSOLE 835 bool "Coldfire serial console support" 836 depends on SERIAL_MCF 837 select SERIAL_CORE_CONSOLE 838 help 839 Enable a ColdFire internal serial port to be the system console. 840 841config SERIAL_PMACZILOG 842 tristate "Mac or PowerMac z85c30 ESCC support" 843 depends on (M68K && MAC) || PPC_PMAC 844 select SERIAL_CORE 845 help 846 This driver supports the Zilog z85C30 serial ports found on 847 (Power)Mac machines. 848 Say Y or M if you want to be able to these serial ports. 849 850config SERIAL_PMACZILOG_TTYS 851 bool "Use ttySn device nodes for Zilog z85c30" 852 depends on SERIAL_PMACZILOG 853 help 854 The pmac_zilog driver for the z85C30 chip on many powermacs 855 historically used the device numbers for /dev/ttySn. The 856 8250 serial port driver also uses these numbers, which means 857 the two drivers being unable to coexist; you could not use 858 both z85C30 and 8250 type ports at the same time. 859 860 If this option is not selected, the pmac_zilog driver will 861 use the device numbers allocated for /dev/ttyPZn. This allows 862 the pmac_zilog and 8250 drivers to co-exist, but may cause 863 existing userspace setups to break. Programs that need to 864 access the built-in serial ports on powermacs will need to 865 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn. 866 867 If you enable this option, any z85c30 ports in the system will 868 be registered as ttyS0 onwards as in the past, and you will be 869 unable to use the 8250 module for PCMCIA or other 16C550-style 870 UARTs. 871 872 Say N unless you need the z85c30 ports on your (Power)Mac 873 to appear as /dev/ttySn. 874 875config SERIAL_PMACZILOG_CONSOLE 876 bool "Console on Mac or PowerMac z85c30 serial port" 877 depends on SERIAL_PMACZILOG=y 878 select SERIAL_CORE_CONSOLE 879 help 880 If you would like to be able to use the z85c30 serial port 881 on your (Power)Mac as the console, you can do so by answering 882 Y to this option. 883 884config SERIAL_CPM 885 tristate "CPM SCC/SMC serial port support" 886 depends on CPM2 || CPM1 887 select SERIAL_CORE 888 help 889 This driver supports the SCC and SMC serial ports on Motorola 890 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx) 891 892config SERIAL_CPM_CONSOLE 893 bool "Support for console on CPM SCC/SMC serial port" 894 depends on SERIAL_CPM=y 895 select SERIAL_CORE_CONSOLE 896 help 897 Say Y here if you wish to use a SCC or SMC CPM UART as the system 898 console (the system console is the device which receives all kernel 899 messages and warnings and which allows logins in single user mode). 900 901 Even if you say Y here, the currently visible framebuffer console 902 (/dev/tty0) will still be used as the system console by default, but 903 you can alter that using a kernel command line option such as 904 "console=ttyCPM0". (Try "man bootparam" or see the documentation of 905 your boot loader (lilo or loadlin) about how to pass options to the 906 kernel at boot time.) 907 908config SERIAL_SGI_L1_CONSOLE 909 bool "SGI Altix L1 serial console support" 910 depends on IA64_GENERIC || IA64_SGI_SN2 911 select SERIAL_CORE 912 select SERIAL_CORE_CONSOLE 913 help 914 If you have an SGI Altix and you would like to use the system 915 controller serial port as your console (you want this!), 916 say Y. Otherwise, say N. 917 918config SERIAL_PIC32 919 tristate "Microchip PIC32 serial support" 920 depends on MACH_PIC32 921 select SERIAL_CORE 922 help 923 If you have a PIC32, this driver supports the serial ports. 924 925 Say Y or M to use PIC32 serial ports, otherwise say N. Note that 926 to use a serial port as a console, this must be included in kernel and 927 not as a module. 928 929config SERIAL_PIC32_CONSOLE 930 bool "PIC32 serial console support" 931 depends on SERIAL_PIC32 932 select SERIAL_CORE_CONSOLE 933 help 934 If you have a PIC32, this driver supports the putting a console on one 935 of the serial ports. 936 937 Say Y to use the PIC32 console, otherwise say N. 938 939config SERIAL_MPC52xx 940 tristate "Freescale MPC52xx/MPC512x family PSC serial support" 941 depends on PPC_MPC52xx || PPC_MPC512x 942 select SERIAL_CORE 943 help 944 This driver supports MPC52xx and MPC512x PSC serial ports. If you would 945 like to use them, you must answer Y or M to this option. Note that 946 for use as console, it must be included in kernel and not as a 947 module. 948 949config SERIAL_MPC52xx_CONSOLE 950 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port" 951 depends on SERIAL_MPC52xx=y 952 select SERIAL_CORE_CONSOLE 953 help 954 Select this options if you'd like to use one of the PSC serial port 955 of the Freescale MPC52xx family as a console. 956 957config SERIAL_MPC52xx_CONSOLE_BAUD 958 int "Freescale MPC52xx/MPC512x family PSC serial port baud" 959 depends on SERIAL_MPC52xx_CONSOLE=y 960 default "9600" 961 help 962 Select the MPC52xx console baud rate. 963 This value is only used if the bootloader doesn't pass in the 964 console baudrate 965 966config SERIAL_ICOM 967 tristate "IBM Multiport Serial Adapter" 968 depends on PCI && PPC_PSERIES 969 select SERIAL_CORE 970 select FW_LOADER 971 help 972 This driver is for a family of multiport serial adapters 973 including 2 port RVX, 2 port internal modem, 4 port internal 974 modem and a split 1 port RVX and 1 port internal modem. 975 976 This driver can also be built as a module. If so, the module 977 will be called icom. 978 979config SERIAL_M32R_SIO 980 bool "M32R SIO I/F" 981 depends on M32R 982 default y 983 select SERIAL_CORE 984 help 985 Say Y here if you want to use the M32R serial controller. 986 987config SERIAL_M32R_SIO_CONSOLE 988 bool "use SIO console" 989 depends on SERIAL_M32R_SIO=y 990 select SERIAL_CORE_CONSOLE 991 help 992 Say Y here if you want to support a serial console. 993 994 If you use an M3T-M32700UT or an OPSPUT platform, 995 please say also y for SERIAL_M32R_PLDSIO. 996 997config SERIAL_M32R_PLDSIO 998 bool "M32R SIO I/F on a PLD" 999 depends on SERIAL_M32R_SIO=y && (PLAT_OPSPUT || PLAT_USRV || PLAT_M32700UT) 1000 default n 1001 help 1002 Say Y here if you want to use the M32R serial controller 1003 on a PLD (Programmable Logic Device). 1004 1005 If you use an M3T-M32700UT or an OPSPUT platform, 1006 please say Y. 1007 1008config SERIAL_TXX9 1009 bool "TMPTX39XX/49XX SIO support" 1010 depends on HAS_TXX9_SERIAL 1011 select SERIAL_CORE 1012 default y 1013 1014config HAS_TXX9_SERIAL 1015 bool 1016 1017config SERIAL_TXX9_NR_UARTS 1018 int "Maximum number of TMPTX39XX/49XX SIO ports" 1019 depends on SERIAL_TXX9 1020 default "6" 1021 1022config SERIAL_TXX9_CONSOLE 1023 bool "TMPTX39XX/49XX SIO Console support" 1024 depends on SERIAL_TXX9=y 1025 select SERIAL_CORE_CONSOLE 1026 1027config SERIAL_TXX9_STDSERIAL 1028 bool "TX39XX/49XX SIO act as standard serial" 1029 depends on !SERIAL_8250 && SERIAL_TXX9 1030 1031config SERIAL_VR41XX 1032 tristate "NEC VR4100 series Serial Interface Unit support" 1033 depends on CPU_VR41XX 1034 select SERIAL_CORE 1035 help 1036 If you have a NEC VR4100 series processor and you want to use 1037 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) 1038 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. 1039 1040config SERIAL_VR41XX_CONSOLE 1041 bool "Enable NEC VR4100 series Serial Interface Unit console" 1042 depends on SERIAL_VR41XX=y 1043 select SERIAL_CORE_CONSOLE 1044 help 1045 If you have a NEC VR4100 series processor and you want to use 1046 a console on a serial port, say Y. Otherwise, say N. 1047 1048config SERIAL_JSM 1049 tristate "Digi International NEO and Classic PCI Support" 1050 depends on PCI 1051 select SERIAL_CORE 1052 help 1053 This is a driver for Digi International's Neo and Classic series 1054 of cards which provide multiple serial ports. You would need 1055 something like this to connect more than two modems to your Linux 1056 box, for instance in order to become a dial-in server. This driver 1057 supports PCI boards only. 1058 1059 If you have a card like this, say Y here, otherwise say N. 1060 1061 To compile this driver as a module, choose M here: the 1062 module will be called jsm. 1063 1064config SERIAL_SGI_IOC4 1065 tristate "SGI IOC4 controller serial support" 1066 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4 1067 select SERIAL_CORE 1068 help 1069 If you have an SGI Altix with an IOC4 based Base IO card 1070 and wish to use the serial ports on this card, say Y. 1071 Otherwise, say N. 1072 1073config SERIAL_SGI_IOC3 1074 tristate "SGI Altix IOC3 serial support" 1075 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3 1076 select SERIAL_CORE 1077 help 1078 If you have an SGI Altix with an IOC3 serial card, 1079 say Y or M. Otherwise, say N. 1080 1081config SERIAL_MSM 1082 tristate "MSM on-chip serial port support" 1083 depends on ARCH_QCOM 1084 select SERIAL_CORE 1085 1086config SERIAL_MSM_CONSOLE 1087 bool "MSM serial console support" 1088 depends on SERIAL_MSM=y 1089 select SERIAL_CORE_CONSOLE 1090 select SERIAL_EARLYCON 1091 1092config SERIAL_VT8500 1093 bool "VIA VT8500 on-chip serial port support" 1094 depends on ARCH_VT8500 1095 select SERIAL_CORE 1096 1097config SERIAL_VT8500_CONSOLE 1098 bool "VIA VT8500 serial console support" 1099 depends on SERIAL_VT8500=y 1100 select SERIAL_CORE_CONSOLE 1101 1102config SERIAL_ETRAXFS 1103 bool "ETRAX FS serial port support" 1104 depends on ETRAX_ARCH_V32 && OF 1105 select SERIAL_CORE 1106 select SERIAL_MCTRL_GPIO if GPIOLIB 1107 1108config SERIAL_ETRAXFS_CONSOLE 1109 bool "ETRAX FS serial console support" 1110 depends on SERIAL_ETRAXFS 1111 select SERIAL_CORE_CONSOLE 1112 1113config SERIAL_NETX 1114 tristate "NetX serial port support" 1115 depends on ARCH_NETX 1116 select SERIAL_CORE 1117 help 1118 If you have a machine based on a Hilscher NetX SoC you 1119 can enable its onboard serial port by enabling this option. 1120 1121 To compile this driver as a module, choose M here: the 1122 module will be called netx-serial. 1123 1124config SERIAL_NETX_CONSOLE 1125 bool "Console on NetX serial port" 1126 depends on SERIAL_NETX=y 1127 select SERIAL_CORE_CONSOLE 1128 help 1129 If you have enabled the serial port on the Hilscher NetX SoC 1130 you can make it the console by answering Y to this option. 1131 1132config SERIAL_OMAP 1133 tristate "OMAP serial port support" 1134 depends on ARCH_OMAP2PLUS 1135 select SERIAL_CORE 1136 help 1137 If you have a machine based on an Texas Instruments OMAP CPU you 1138 can enable its onboard serial ports by enabling this option. 1139 1140 By enabling this option you take advantage of dma feature available 1141 with the omap-serial driver. DMA support can be enabled from platform 1142 data. 1143 1144config SERIAL_OMAP_CONSOLE 1145 bool "Console on OMAP serial port" 1146 depends on SERIAL_OMAP=y 1147 select SERIAL_CORE_CONSOLE 1148 help 1149 Select this option if you would like to use omap serial port as 1150 console. 1151 1152 Even if you say Y here, the currently visible virtual console 1153 (/dev/tty0) will still be used as the system console by default, but 1154 you can alter that using a kernel command line option such as 1155 "console=ttyOx". (Try "man bootparam" or see the documentation of 1156 your boot loader about how to pass options to the kernel at 1157 boot time.) 1158 1159config SERIAL_LANTIQ 1160 bool "Lantiq serial driver" 1161 depends on LANTIQ 1162 select SERIAL_CORE 1163 select SERIAL_CORE_CONSOLE 1164 help 1165 Support for console and UART on Lantiq SoCs. 1166 1167config SERIAL_QE 1168 tristate "Freescale QUICC Engine serial port support" 1169 depends on QUICC_ENGINE 1170 select SERIAL_CORE 1171 select FW_LOADER 1172 default n 1173 help 1174 This driver supports the QE serial ports on Freescale embedded 1175 PowerPC that contain a QUICC Engine. 1176 1177config SERIAL_SCCNXP 1178 tristate "SCCNXP serial port support" 1179 select SERIAL_CORE 1180 help 1181 This selects support for an advanced UART from NXP (Philips). 1182 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, 1183 SC28L202, SCC68681 and SCC68692. 1184 1185config SERIAL_SCCNXP_CONSOLE 1186 bool "Console on SCCNXP serial port" 1187 depends on SERIAL_SCCNXP=y 1188 select SERIAL_CORE_CONSOLE 1189 help 1190 Support for console on SCCNXP serial ports. 1191 1192config SERIAL_SC16IS7XX_CORE 1193 tristate 1194 1195config SERIAL_SC16IS7XX 1196 tristate "SC16IS7xx serial support" 1197 select SERIAL_CORE 1198 depends on (SPI_MASTER && !I2C) || I2C 1199 help 1200 This selects support for SC16IS7xx serial ports. 1201 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, 1202 SC16IS760 and SC16IS762. Select supported buses using options below. 1203 1204config SERIAL_SC16IS7XX_I2C 1205 bool "SC16IS7xx for I2C interface" 1206 depends on SERIAL_SC16IS7XX 1207 depends on I2C 1208 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1209 select REGMAP_I2C if I2C 1210 default y 1211 help 1212 Enable SC16IS7xx driver on I2C bus, 1213 If required say y, and say n to i2c if not required, 1214 Enabled by default to support oldconfig. 1215 You must select at least one bus for the driver to be built. 1216 1217config SERIAL_SC16IS7XX_SPI 1218 bool "SC16IS7xx for spi interface" 1219 depends on SERIAL_SC16IS7XX 1220 depends on SPI_MASTER 1221 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1222 select REGMAP_SPI if SPI_MASTER 1223 help 1224 Enable SC16IS7xx driver on SPI bus, 1225 If required say y, and say n to spi if not required, 1226 This is additional support to exsisting driver. 1227 You must select at least one bus for the driver to be built. 1228 1229config SERIAL_BFIN_SPORT 1230 tristate "Blackfin SPORT emulate UART" 1231 depends on BLACKFIN 1232 select SERIAL_CORE 1233 help 1234 Enable SPORT emulate UART on Blackfin series. 1235 1236 To compile this driver as a module, choose M here: the 1237 module will be called bfin_sport_uart. 1238 1239config SERIAL_BFIN_SPORT_CONSOLE 1240 bool "Console on Blackfin sport emulated uart" 1241 depends on SERIAL_BFIN_SPORT=y 1242 select SERIAL_CORE_CONSOLE 1243 1244config SERIAL_BFIN_SPORT0_UART 1245 bool "Enable UART over SPORT0" 1246 depends on SERIAL_BFIN_SPORT && !(BF542 || BF544) 1247 help 1248 Enable UART over SPORT0 1249 1250config SERIAL_BFIN_SPORT0_UART_CTSRTS 1251 bool "Enable UART over SPORT0 hardware flow control" 1252 depends on SERIAL_BFIN_SPORT0_UART 1253 help 1254 Enable hardware flow control in the driver. 1255 1256config SERIAL_BFIN_SPORT1_UART 1257 bool "Enable UART over SPORT1" 1258 depends on SERIAL_BFIN_SPORT 1259 help 1260 Enable UART over SPORT1 1261 1262config SERIAL_BFIN_SPORT1_UART_CTSRTS 1263 bool "Enable UART over SPORT1 hardware flow control" 1264 depends on SERIAL_BFIN_SPORT1_UART 1265 help 1266 Enable hardware flow control in the driver. 1267 1268config SERIAL_BFIN_SPORT2_UART 1269 bool "Enable UART over SPORT2" 1270 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1271 help 1272 Enable UART over SPORT2 1273 1274config SERIAL_BFIN_SPORT2_UART_CTSRTS 1275 bool "Enable UART over SPORT2 hardware flow control" 1276 depends on SERIAL_BFIN_SPORT2_UART 1277 help 1278 Enable hardware flow control in the driver. 1279 1280config SERIAL_BFIN_SPORT3_UART 1281 bool "Enable UART over SPORT3" 1282 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1283 help 1284 Enable UART over SPORT3 1285 1286config SERIAL_BFIN_SPORT3_UART_CTSRTS 1287 bool "Enable UART over SPORT3 hardware flow control" 1288 depends on SERIAL_BFIN_SPORT3_UART 1289 help 1290 Enable hardware flow control in the driver. 1291 1292config SERIAL_TIMBERDALE 1293 tristate "Support for timberdale UART" 1294 select SERIAL_CORE 1295 depends on X86_32 || COMPILE_TEST 1296 ---help--- 1297 Add support for UART controller on timberdale. 1298 1299config SERIAL_BCM63XX 1300 tristate "Broadcom BCM63xx/BCM33xx UART support" 1301 select SERIAL_CORE 1302 depends on MIPS || ARM || COMPILE_TEST 1303 help 1304 This enables the driver for the onchip UART core found on 1305 the following chipsets: 1306 1307 BCM33xx (cable modem) 1308 BCM63xx/BCM63xxx (DSL) 1309 BCM68xx (PON) 1310 BCM7xxx (STB) - DOCSIS console 1311 1312config SERIAL_BCM63XX_CONSOLE 1313 bool "Console on BCM63xx serial port" 1314 depends on SERIAL_BCM63XX=y 1315 select SERIAL_CORE_CONSOLE 1316 select SERIAL_EARLYCON 1317 help 1318 If you have enabled the serial port on the BCM63xx CPU 1319 you can make it the console by answering Y to this option. 1320 1321config SERIAL_GRLIB_GAISLER_APBUART 1322 tristate "GRLIB APBUART serial support" 1323 depends on OF && SPARC 1324 select SERIAL_CORE 1325 ---help--- 1326 Add support for the GRLIB APBUART serial port. 1327 1328config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE 1329 bool "Console on GRLIB APBUART serial port" 1330 depends on SERIAL_GRLIB_GAISLER_APBUART=y 1331 select SERIAL_CORE_CONSOLE 1332 help 1333 Support for running a console on the GRLIB APBUART 1334 1335config SERIAL_ALTERA_JTAGUART 1336 tristate "Altera JTAG UART support" 1337 select SERIAL_CORE 1338 help 1339 This driver supports the Altera JTAG UART port. 1340 1341config SERIAL_ALTERA_JTAGUART_CONSOLE 1342 bool "Altera JTAG UART console support" 1343 depends on SERIAL_ALTERA_JTAGUART=y 1344 select SERIAL_CORE_CONSOLE 1345 help 1346 Enable a Altera JTAG UART port to be the system console. 1347 1348config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS 1349 bool "Bypass output when no connection" 1350 depends on SERIAL_ALTERA_JTAGUART_CONSOLE 1351 select SERIAL_CORE_CONSOLE 1352 help 1353 Bypass console output and keep going even if there is no 1354 JTAG terminal connection with the host. 1355 1356config SERIAL_ALTERA_UART 1357 tristate "Altera UART support" 1358 select SERIAL_CORE 1359 help 1360 This driver supports the Altera softcore UART port. 1361 1362config SERIAL_ALTERA_UART_MAXPORTS 1363 int "Maximum number of Altera UART ports" 1364 depends on SERIAL_ALTERA_UART 1365 default 4 1366 help 1367 This setting lets you define the maximum number of the Altera 1368 UART ports. The usual default varies from board to board, and 1369 this setting is a way of catering for that. 1370 1371config SERIAL_ALTERA_UART_BAUDRATE 1372 int "Default baudrate for Altera UART ports" 1373 depends on SERIAL_ALTERA_UART 1374 default 115200 1375 help 1376 This setting lets you define what the default baudrate is for the 1377 Altera UART ports. The usual default varies from board to board, 1378 and this setting is a way of catering for that. 1379 1380config SERIAL_ALTERA_UART_CONSOLE 1381 bool "Altera UART console support" 1382 depends on SERIAL_ALTERA_UART=y 1383 select SERIAL_CORE_CONSOLE 1384 help 1385 Enable a Altera UART port to be the system console. 1386 1387config SERIAL_IFX6X60 1388 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" 1389 depends on GPIOLIB || COMPILE_TEST 1390 depends on SPI && HAS_DMA 1391 help 1392 Support for the IFX6x60 modem devices on Intel MID platforms. 1393 1394config SERIAL_PCH_UART 1395 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" 1396 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 1397 select SERIAL_CORE 1398 help 1399 This driver is for PCH(Platform controller Hub) UART of Intel EG20T 1400 which is an IOH(Input/Output Hub) for x86 embedded processor. 1401 Enabling PCH_DMA, this PCH UART works as DMA mode. 1402 1403 This driver also can be used for LAPIS Semiconductor IOH(Input/ 1404 Output Hub), ML7213, ML7223 and ML7831. 1405 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 1406 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 1407 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1408 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1409 1410config SERIAL_PCH_UART_CONSOLE 1411 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH" 1412 depends on SERIAL_PCH_UART=y 1413 select SERIAL_CORE_CONSOLE 1414 help 1415 Say Y here if you wish to use the PCH UART as the system console 1416 (the system console is the device which receives all kernel messages and 1417 warnings and which allows logins in single user mode). 1418 1419config SERIAL_MXS_AUART 1420 tristate "MXS AUART support" 1421 depends on HAS_DMA 1422 depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST 1423 select SERIAL_CORE 1424 select SERIAL_MCTRL_GPIO if GPIOLIB 1425 help 1426 This driver supports the MXS and Alphascale ASM9260 Application 1427 UART (AUART) port. 1428 1429config SERIAL_MXS_AUART_CONSOLE 1430 bool "MXS AUART console support" 1431 depends on SERIAL_MXS_AUART=y 1432 select SERIAL_CORE_CONSOLE 1433 help 1434 Enable a MXS AUART port to be the system console. 1435 1436config SERIAL_XILINX_PS_UART 1437 tristate "Cadence (Xilinx Zynq) UART support" 1438 depends on OF 1439 select SERIAL_CORE 1440 help 1441 This driver supports the Cadence UART. It is found e.g. in Xilinx 1442 Zynq. 1443 1444config SERIAL_XILINX_PS_UART_CONSOLE 1445 bool "Cadence UART console support" 1446 depends on SERIAL_XILINX_PS_UART=y 1447 select SERIAL_CORE_CONSOLE 1448 select SERIAL_EARLYCON 1449 help 1450 Enable a Cadence UART port to be the system console. 1451 1452config SERIAL_AR933X 1453 tristate "AR933X serial port support" 1454 depends on HAVE_CLK && SOC_AR933X 1455 select SERIAL_CORE 1456 help 1457 If you have an Atheros AR933X SOC based board and want to use the 1458 built-in UART of the SoC, say Y to this option. 1459 1460 To compile this driver as a module, choose M here: the 1461 module will be called ar933x_uart. 1462 1463config SERIAL_AR933X_CONSOLE 1464 bool "Console on AR933X serial port" 1465 depends on SERIAL_AR933X=y 1466 select SERIAL_CORE_CONSOLE 1467 help 1468 Enable a built-in UART port of the AR933X to be the system console. 1469 1470config SERIAL_AR933X_NR_UARTS 1471 int "Maximum number of AR933X serial ports" 1472 depends on SERIAL_AR933X 1473 default "2" 1474 help 1475 Set this to the number of serial ports you want the driver 1476 to support. 1477 1478config SERIAL_EFM32_UART 1479 tristate "EFM32 UART/USART port" 1480 depends on ARM && (ARCH_EFM32 || COMPILE_TEST) 1481 select SERIAL_CORE 1482 help 1483 This driver support the USART and UART ports on 1484 Energy Micro's efm32 SoCs. 1485 1486config SERIAL_MPS2_UART_CONSOLE 1487 bool "MPS2 UART console support" 1488 depends on SERIAL_MPS2_UART 1489 select SERIAL_CORE_CONSOLE 1490 select SERIAL_EARLYCON 1491 1492config SERIAL_MPS2_UART 1493 bool "MPS2 UART port" 1494 depends on ARCH_MPS2 || COMPILE_TEST 1495 select SERIAL_CORE 1496 help 1497 This driver support the UART ports on ARM MPS2. 1498 1499config SERIAL_EFM32_UART_CONSOLE 1500 bool "EFM32 UART/USART console support" 1501 depends on SERIAL_EFM32_UART=y 1502 select SERIAL_CORE_CONSOLE 1503 1504config SERIAL_TILEGX 1505 tristate "TILE-Gx on-chip serial port support" 1506 depends on TILEGX 1507 select TILE_GXIO_UART 1508 select SERIAL_CORE 1509 ---help--- 1510 This device provides access to the on-chip UARTs on the TILE-Gx 1511 processor. 1512 1513config SERIAL_ARC 1514 tristate "ARC UART driver support" 1515 select SERIAL_CORE 1516 help 1517 Driver for on-chip UART for ARC(Synopsys) for the legacy 1518 FPGA Boards (ML50x/ARCAngel4) 1519 1520config SERIAL_ARC_CONSOLE 1521 bool "Console on ARC UART" 1522 depends on SERIAL_ARC=y 1523 select SERIAL_CORE_CONSOLE 1524 select SERIAL_EARLYCON 1525 help 1526 Enable system Console on ARC UART 1527 1528config SERIAL_ARC_NR_PORTS 1529 int "Number of ARC UART ports" 1530 depends on SERIAL_ARC 1531 range 1 3 1532 default "1" 1533 help 1534 Set this to the number of serial ports you want the driver 1535 to support. 1536 1537config SERIAL_RP2 1538 tristate "Comtrol RocketPort EXPRESS/INFINITY support" 1539 depends on PCI 1540 select SERIAL_CORE 1541 help 1542 This driver supports the Comtrol RocketPort EXPRESS and 1543 RocketPort INFINITY families of PCI/PCIe multiport serial adapters. 1544 These adapters use a "RocketPort 2" ASIC that is not compatible 1545 with the original RocketPort driver (CONFIG_ROCKETPORT). 1546 1547 To compile this driver as a module, choose M here: the 1548 module will be called rp2. 1549 1550 If you want to compile this driver into the kernel, say Y here. If 1551 you don't have a suitable RocketPort card installed, say N. 1552 1553config SERIAL_RP2_NR_UARTS 1554 int "Maximum number of RocketPort EXPRESS/INFINITY ports" 1555 depends on SERIAL_RP2 1556 default "32" 1557 help 1558 If multiple cards are present, the default limit of 32 ports may 1559 need to be increased. 1560 1561config SERIAL_FSL_LPUART 1562 tristate "Freescale lpuart serial port support" 1563 depends on HAS_DMA 1564 select SERIAL_CORE 1565 help 1566 Support for the on-chip lpuart on some Freescale SOCs. 1567 1568config SERIAL_FSL_LPUART_CONSOLE 1569 bool "Console on Freescale lpuart serial port" 1570 depends on SERIAL_FSL_LPUART=y 1571 select SERIAL_CORE_CONSOLE 1572 select SERIAL_EARLYCON 1573 help 1574 If you have enabled the lpuart serial port on the Freescale SoCs, 1575 you can make it the console by answering Y to this option. 1576 1577config SERIAL_CONEXANT_DIGICOLOR 1578 tristate "Conexant Digicolor CX92xxx USART serial port support" 1579 depends on OF 1580 select SERIAL_CORE 1581 help 1582 Support for the on-chip USART on Conexant Digicolor SoCs. 1583 1584config SERIAL_CONEXANT_DIGICOLOR_CONSOLE 1585 bool "Console on Conexant Digicolor serial port" 1586 depends on SERIAL_CONEXANT_DIGICOLOR=y 1587 select SERIAL_CORE_CONSOLE 1588 help 1589 If you have enabled the USART serial port on Conexant Digicolor 1590 SoCs, you can make it the console by answering Y to this option. 1591 1592config SERIAL_ST_ASC 1593 tristate "ST ASC serial port support" 1594 select SERIAL_CORE 1595 depends on ARM || COMPILE_TEST 1596 help 1597 This driver is for the on-chip Asychronous Serial Controller on 1598 STMicroelectronics STi SoCs. 1599 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality. 1600 It support all industry standard baud rates. 1601 1602 If unsure, say N. 1603 1604config SERIAL_ST_ASC_CONSOLE 1605 bool "Support for console on ST ASC" 1606 depends on SERIAL_ST_ASC=y 1607 select SERIAL_CORE_CONSOLE 1608 1609config SERIAL_MEN_Z135 1610 tristate "MEN 16z135 Support" 1611 select SERIAL_CORE 1612 depends on MCB 1613 help 1614 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core 1615 on a MCB carrier. 1616 1617 This driver can also be build as a module. If so, the module will be called 1618 men_z135_uart.ko 1619 1620config SERIAL_SPRD 1621 tristate "Support for Spreadtrum serial" 1622 depends on ARCH_SPRD 1623 select SERIAL_CORE 1624 help 1625 This enables the driver for the Spreadtrum's serial. 1626 1627config SERIAL_SPRD_CONSOLE 1628 bool "Spreadtrum UART console support" 1629 depends on SERIAL_SPRD=y 1630 select SERIAL_CORE_CONSOLE 1631 select SERIAL_EARLYCON 1632 help 1633 Support for early debug console using Spreadtrum's serial. This enables 1634 the console before standard serial driver is probed. This is enabled 1635 with "earlycon" on the kernel command line. The console is 1636 enabled when early_param is processed. 1637 1638config SERIAL_STM32 1639 tristate "STMicroelectronics STM32 serial port support" 1640 select SERIAL_CORE 1641 depends on HAS_DMA 1642 depends on ARCH_STM32 || COMPILE_TEST 1643 help 1644 This driver is for the on-chip Serial Controller on 1645 STMicroelectronics STM32 MCUs. 1646 USART supports Rx & Tx functionality. 1647 It support all industry standard baud rates. 1648 1649 If unsure, say N. 1650 1651config SERIAL_STM32_CONSOLE 1652 bool "Support for console on STM32" 1653 depends on SERIAL_STM32=y 1654 select SERIAL_CORE_CONSOLE 1655 1656config SERIAL_MVEBU_UART 1657 bool "Marvell EBU serial port support" 1658 depends on ARCH_MVEBU || COMPILE_TEST 1659 select SERIAL_CORE 1660 help 1661 This driver is for Marvell EBU SoC's UART. If you have a machine 1662 based on the Armada-3700 SoC and wish to use the on-board serial 1663 port, 1664 say 'Y' here. 1665 Otherwise, say 'N'. 1666 1667config SERIAL_MVEBU_CONSOLE 1668 bool "Console on Marvell EBU serial port" 1669 depends on SERIAL_MVEBU_UART 1670 select SERIAL_CORE_CONSOLE 1671 select SERIAL_EARLYCON 1672 default y 1673 help 1674 Say 'Y' here if you wish to use Armada-3700 UART as the system console. 1675 (the system console is the device which receives all kernel messages 1676 and warnings and which allows logins in single user mode) 1677 Otherwise, say 'N'. 1678 1679endmenu 1680 1681config SERIAL_MCTRL_GPIO 1682 tristate 1683 1684endif # TTY 1685