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_EARLYCON_RISCV_SBI 89 bool "Early console using RISC-V SBI" 90 depends on RISCV 91 select SERIAL_CORE 92 select SERIAL_CORE_CONSOLE 93 select SERIAL_EARLYCON 94 help 95 Support for early debug console using RISC-V SBI. This enables 96 the console before standard serial driver is probed. This is enabled 97 with "earlycon=sbi" on the kernel command line. The console is 98 enabled when early_param is processed. 99 100config SERIAL_SB1250_DUART 101 tristate "BCM1xxx on-chip DUART serial support" 102 depends on SIBYTE_SB1xxx_SOC=y 103 select SERIAL_CORE 104 default y 105 ---help--- 106 Support for the asynchronous serial interface (DUART) included in 107 the BCM1250 and derived System-On-a-Chip (SOC) devices. Note that 108 the letter D in DUART stands for "dual", which is how the device 109 is implemented. Depending on the SOC configuration there may be 110 one or more DUARTs available of which all are handled. 111 112 If unsure, say Y. To compile this driver as a module, choose M here: 113 the module will be called sb1250-duart. 114 115config SERIAL_SB1250_DUART_CONSOLE 116 bool "Support for console on a BCM1xxx DUART serial port" 117 depends on SERIAL_SB1250_DUART=y 118 select SERIAL_CORE_CONSOLE 119 default y 120 ---help--- 121 If you say Y here, it will be possible to use a serial port as the 122 system console (the system console is the device which receives all 123 kernel messages and warnings and which allows logins in single user 124 mode). 125 126 If unsure, say Y. 127 128config SERIAL_ATMEL 129 bool "AT91 on-chip serial port support" 130 depends on ARCH_AT91 || COMPILE_TEST 131 select SERIAL_CORE 132 select SERIAL_MCTRL_GPIO if GPIOLIB 133 select MFD_AT91_USART 134 help 135 This enables the driver for the on-chip UARTs of the Atmel 136 AT91 processors. 137 138config SERIAL_ATMEL_CONSOLE 139 bool "Support for console on AT91 serial port" 140 depends on SERIAL_ATMEL=y 141 select SERIAL_CORE_CONSOLE 142 help 143 Say Y here if you wish to use an on-chip UART on a Atmel 144 AT91 processor as the system console (the system 145 console is the device which receives all kernel messages and 146 warnings and which allows logins in single user mode). 147 148config SERIAL_ATMEL_PDC 149 bool "Support DMA transfers on AT91 serial port" 150 depends on SERIAL_ATMEL 151 default y 152 help 153 Say Y here if you wish to use the PDC to do DMA transfers to 154 and from the Atmel AT91 serial port. In order to 155 actually use DMA transfers, make sure that the use_dma_tx 156 and use_dma_rx members in the atmel_uart_data struct is set 157 appropriately for each port. 158 159 Note that break and error handling currently doesn't work 160 properly when DMA is enabled. Make sure that ports where 161 this matters don't use DMA. 162 163config SERIAL_ATMEL_TTYAT 164 bool "Install as device ttyATn instead of ttySn" 165 depends on SERIAL_ATMEL=y 166 help 167 Say Y here if you wish to have the internal AT91 UARTs 168 appear as /dev/ttyATn (major 204, minor starting at 154) 169 instead of the normal /dev/ttySn (major 4, minor starting at 170 64). This is necessary if you also want other UARTs, such as 171 external 8250/16C550 compatible UARTs. 172 The ttySn nodes are legally reserved for the 8250 serial driver 173 but are often misused by other serial drivers. 174 175 To use this, you should create suitable ttyATn device nodes in 176 /dev/, and pass "console=ttyATn" to the kernel. 177 178 Say Y if you have an external 8250/16C550 UART. If unsure, say N. 179 180config SERIAL_KGDB_NMI 181 bool "Serial console over KGDB NMI debugger port" 182 depends on KGDB_SERIAL_CONSOLE 183 help 184 This special driver allows you to temporary use NMI debugger port 185 as a normal console (assuming that the port is attached to KGDB). 186 187 Unlike KDB's disable_nmi command, with this driver you are always 188 able to go back to the debugger using KGDB escape sequence ($3#33). 189 This is because this console driver processes the input in NMI 190 context, and thus is able to intercept the magic sequence. 191 192 Note that since the console interprets input and uses polling 193 communication methods, for things like PPP you still must fully 194 detach debugger port from the KGDB NMI (i.e. disable_nmi), and 195 use raw console. 196 197 If unsure, say N. 198 199config SERIAL_KS8695 200 bool "Micrel KS8695 (Centaur) serial port support" 201 depends on ARCH_KS8695 202 select SERIAL_CORE 203 help 204 This selects the Micrel Centaur KS8695 UART. Say Y here. 205 206config SERIAL_KS8695_CONSOLE 207 bool "Support for console on KS8695 (Centaur) serial port" 208 depends on SERIAL_KS8695=y 209 select SERIAL_CORE_CONSOLE 210 help 211 Say Y here if you wish to use a KS8695 (Centaur) UART as the 212 system console (the system console is the device which 213 receives all kernel messages and warnings and which allows 214 logins in single user mode). 215 216config SERIAL_MESON 217 tristate "Meson serial port support" 218 depends on ARCH_MESON 219 select SERIAL_CORE 220 help 221 This enables the driver for the on-chip UARTs of the Amlogic 222 MesonX processors. 223 224config SERIAL_MESON_CONSOLE 225 bool "Support for console on meson" 226 depends on SERIAL_MESON=y 227 select SERIAL_CORE_CONSOLE 228 select SERIAL_EARLYCON 229 help 230 Say Y here if you wish to use a Amlogic MesonX UART as the 231 system console (the system console is the device which 232 receives all kernel messages and warnings and which allows 233 logins in single user mode) as /dev/ttyAMLx. 234 235config SERIAL_CLPS711X 236 tristate "CLPS711X serial port support" 237 depends on ARCH_CLPS711X || COMPILE_TEST 238 select SERIAL_CORE 239 select SERIAL_MCTRL_GPIO if GPIOLIB 240 help 241 This enables the driver for the on-chip UARTs of the Cirrus 242 Logic EP711x/EP721x/EP731x processors. 243 244config SERIAL_CLPS711X_CONSOLE 245 bool "Support for console on CLPS711X serial port" 246 depends on SERIAL_CLPS711X=y 247 select SERIAL_CORE_CONSOLE 248 help 249 Even if you say Y here, the currently visible virtual console 250 (/dev/tty0) will still be used as the system console by default, but 251 you can alter that using a kernel command line option such as 252 "console=ttyCL1". 253 254config SERIAL_SAMSUNG 255 tristate "Samsung SoC serial support" 256 depends on PLAT_SAMSUNG || ARCH_EXYNOS 257 select SERIAL_CORE 258 help 259 Support for the on-chip UARTs on the Samsung S3C24XX series CPUs, 260 providing /dev/ttySAC0, 1 and 2 (note, some machines may not 261 provide all of these ports, depending on how the serial port 262 pins are configured. 263 264config SERIAL_SAMSUNG_UARTS_4 265 bool 266 depends on SERIAL_SAMSUNG 267 default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442) 268 help 269 Internal node for the common case of 4 Samsung compatible UARTs 270 271config SERIAL_SAMSUNG_UARTS 272 int 273 depends on SERIAL_SAMSUNG 274 default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416 275 default 3 276 help 277 Select the number of available UART ports for the Samsung S3C 278 serial driver 279 280config SERIAL_SAMSUNG_DEBUG 281 bool "Samsung SoC serial debug" 282 depends on SERIAL_SAMSUNG && DEBUG_LL 283 help 284 Add support for debugging the serial driver. Since this is 285 generally being used as a console, we use our own output 286 routines that go via the low-level debug printascii() 287 function. 288 289config SERIAL_SAMSUNG_CONSOLE 290 bool "Support for console on Samsung SoC serial port" 291 depends on SERIAL_SAMSUNG=y 292 select SERIAL_CORE_CONSOLE 293 select SERIAL_EARLYCON 294 help 295 Allow selection of the S3C24XX on-board serial ports for use as 296 an virtual console. 297 298 Even if you say Y here, the currently visible virtual console 299 (/dev/tty0) will still be used as the system console by default, but 300 you can alter that using a kernel command line option such as 301 "console=ttySACx". (Try "man bootparam" or see the documentation of 302 your boot loader about how to pass options to the kernel at 303 boot time.) 304 305config SERIAL_SIRFSOC 306 tristate "SiRF SoC Platform Serial port support" 307 depends on ARCH_SIRF 308 select SERIAL_CORE 309 help 310 Support for the on-chip UART on the CSR SiRFprimaII series, 311 providing /dev/ttySiRF0, 1 and 2 (note, some machines may not 312 provide all of these ports, depending on how the serial port 313 pins are configured). 314 315config SERIAL_SIRFSOC_CONSOLE 316 bool "Support for console on SiRF SoC serial port" 317 depends on SERIAL_SIRFSOC=y 318 select SERIAL_CORE_CONSOLE 319 help 320 Even if you say Y here, the currently visible virtual console 321 (/dev/tty0) will still be used as the system console by default, but 322 you can alter that using a kernel command line option such as 323 "console=ttySiRFx". (Try "man bootparam" or see the documentation of 324 your boot loader about how to pass options to the kernel at 325 boot time.) 326 327config SERIAL_TEGRA 328 tristate "NVIDIA Tegra20/30 SoC serial controller" 329 depends on ARCH_TEGRA && TEGRA20_APB_DMA 330 select SERIAL_CORE 331 help 332 Support for the on-chip UARTs on the NVIDIA Tegra series SOCs 333 providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not 334 provide all of these ports, depending on how the serial port 335 are enabled). This driver uses the APB DMA to achieve higher baudrate 336 and better performance. 337 338config SERIAL_TEGRA_TCU 339 tristate "NVIDIA Tegra Combined UART" 340 depends on ARCH_TEGRA && TEGRA_HSP_MBOX 341 select SERIAL_CORE 342 help 343 Support for the mailbox-based TCU (Tegra Combined UART) serial port. 344 TCU is a virtual serial port that allows multiplexing multiple data 345 streams into a single hardware serial port. 346 347config SERIAL_TEGRA_TCU_CONSOLE 348 bool "Support for console on a Tegra TCU serial port" 349 depends on SERIAL_TEGRA_TCU=y 350 select SERIAL_CORE_CONSOLE 351 default y 352 ---help--- 353 If you say Y here, it will be possible to use a the Tegra TCU as the 354 system console (the system console is the device which receives all 355 kernel messages and warnings and which allows logins in single user 356 mode). 357 358 If unsure, say Y. 359 360config SERIAL_MAX3100 361 tristate "MAX3100 support" 362 depends on SPI 363 select SERIAL_CORE 364 help 365 MAX3100 chip support 366 367config SERIAL_MAX310X 368 tristate "MAX310X support" 369 depends on SPI_MASTER 370 select SERIAL_CORE 371 select REGMAP_SPI if SPI_MASTER 372 default n 373 help 374 This selects support for an advanced UART from Maxim (Dallas). 375 Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830. 376 Each IC contains 128 words each of receive and transmit FIFO 377 that can be controlled through I2C or high-speed SPI. 378 379 Say Y here if you want to support this ICs. 380 381config SERIAL_DZ 382 bool "DECstation DZ serial driver" 383 depends on MACH_DECSTATION && 32BIT 384 select SERIAL_CORE 385 default y 386 ---help--- 387 DZ11-family serial controllers for DECstations and VAXstations, 388 including the DC7085, M7814, and M7819. 389 390config SERIAL_DZ_CONSOLE 391 bool "Support console on DECstation DZ serial driver" 392 depends on SERIAL_DZ=y 393 select SERIAL_CORE_CONSOLE 394 default y 395 ---help--- 396 If you say Y here, it will be possible to use a serial port as the 397 system console (the system console is the device which receives all 398 kernel messages and warnings and which allows logins in single user 399 mode). 400 401 Note that the firmware uses ttyS3 as the serial console on 402 DECstations that use this driver. 403 404 If unsure, say Y. 405 406config SERIAL_ZS 407 tristate "DECstation Z85C30 serial support" 408 depends on MACH_DECSTATION 409 select SERIAL_CORE 410 default y 411 ---help--- 412 Support for the Zilog 85C350 serial communications controller used 413 for serial ports in newer DECstation systems. These include the 414 DECsystem 5900 and all models of the DECstation and DECsystem 5000 415 systems except from model 200. 416 417 If unsure, say Y. To compile this driver as a module, choose M here: 418 the module will be called zs. 419 420config SERIAL_ZS_CONSOLE 421 bool "Support for console on a DECstation Z85C30 serial port" 422 depends on SERIAL_ZS=y 423 select SERIAL_CORE_CONSOLE 424 default y 425 ---help--- 426 If you say Y here, it will be possible to use a serial port as the 427 system console (the system console is the device which receives all 428 kernel messages and warnings and which allows logins in single user 429 mode). 430 431 Note that the firmware uses ttyS1 as the serial console on the 432 Maxine and ttyS3 on the others using this driver. 433 434 If unsure, say Y. 435 436config SERIAL_21285 437 tristate "DC21285 serial port support" 438 depends on FOOTBRIDGE 439 select SERIAL_CORE 440 help 441 If you have a machine based on a 21285 (Footbridge) StrongARM(R)/ 442 PCI bridge you can enable its onboard serial port by enabling this 443 option. 444 445config SERIAL_21285_CONSOLE 446 bool "Console on DC21285 serial port" 447 depends on SERIAL_21285=y 448 select SERIAL_CORE_CONSOLE 449 help 450 If you have enabled the serial port on the 21285 footbridge you can 451 make it the console by answering Y to this option. 452 453 Even if you say Y here, the currently visible virtual console 454 (/dev/tty0) will still be used as the system console by default, but 455 you can alter that using a kernel command line option such as 456 "console=ttyFB". (Try "man bootparam" or see the documentation of 457 your boot loader (lilo or loadlin) about how to pass options to the 458 kernel at boot time.) 459 460config SERIAL_MPSC 461 bool "Marvell MPSC serial port support" 462 depends on MV64X60 463 select SERIAL_CORE 464 help 465 Say Y here if you want to use the Marvell MPSC serial controller. 466 467config SERIAL_MPSC_CONSOLE 468 bool "Support for console on Marvell MPSC serial port" 469 depends on SERIAL_MPSC 470 select SERIAL_CORE_CONSOLE 471 help 472 Say Y here if you want to support a serial console on a Marvell MPSC. 473 474config SERIAL_PXA 475 bool "PXA serial port support (DEPRECATED)" 476 depends on ARCH_PXA || ARCH_MMP 477 select SERIAL_CORE 478 select SERIAL_8250_PXA if SERIAL_8250=y 479 select SERIAL_PXA_NON8250 if !SERIAL_8250=y 480 help 481 If you have a machine based on an Intel XScale PXA2xx CPU you 482 can enable its onboard serial ports by enabling this option. 483 484 Unless you have a specific need, you should use SERIAL_8250_PXA 485 instead of this. 486 487config SERIAL_PXA_NON8250 488 bool 489 depends on !SERIAL_8250 490 491config SERIAL_PXA_CONSOLE 492 bool "Console on PXA serial port (DEPRECATED)" 493 depends on SERIAL_PXA 494 select SERIAL_CORE_CONSOLE 495 select SERIAL_8250_CONSOLE if SERIAL_8250=y 496 help 497 If you have enabled the serial port on the Intel XScale PXA 498 CPU you can make it the console by answering Y to this option. 499 500 Even if you say Y here, the currently visible virtual console 501 (/dev/tty0) will still be used as the system console by default, but 502 you can alter that using a kernel command line option such as 503 "console=ttySA0". (Try "man bootparam" or see the documentation of 504 your boot loader (lilo or loadlin) about how to pass options to the 505 kernel at boot time.) 506 507 Unless you have a specific need, you should use SERIAL_8250_PXA 508 and SERIAL_8250_CONSOLE instead of this. 509 510config SERIAL_SA1100 511 bool "SA1100 serial port support" 512 depends on ARCH_SA1100 513 select SERIAL_CORE 514 help 515 If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you 516 can enable its onboard serial port by enabling this option. 517 Please read <file:Documentation/arm/SA1100/serial_UART> for further 518 info. 519 520config SERIAL_SA1100_CONSOLE 521 bool "Console on SA1100 serial port" 522 depends on SERIAL_SA1100 523 select SERIAL_CORE_CONSOLE 524 help 525 If you have enabled the serial port on the SA1100/SA1110 StrongARM 526 CPU you can make it the console by answering Y to this option. 527 528 Even if you say Y here, the currently visible virtual console 529 (/dev/tty0) will still be used as the system console by default, but 530 you can alter that using a kernel command line option such as 531 "console=ttySA0". (Try "man bootparam" or see the documentation of 532 your boot loader (lilo or loadlin) about how to pass options to the 533 kernel at boot time.) 534 535config SERIAL_IMX 536 tristate "IMX serial port support" 537 depends on ARCH_MXC || COMPILE_TEST 538 select SERIAL_CORE 539 select RATIONAL 540 select SERIAL_MCTRL_GPIO if GPIOLIB 541 help 542 If you have a machine based on a Motorola IMX CPU you 543 can enable its onboard serial port by enabling this option. 544 545config SERIAL_IMX_CONSOLE 546 bool "Console on IMX serial port" 547 depends on SERIAL_IMX=y 548 select SERIAL_CORE_CONSOLE 549 select SERIAL_EARLYCON if OF 550 help 551 If you have enabled the serial port on the Freescale IMX 552 CPU you can make it the console by answering Y to this option. 553 554 Even if you say Y here, the currently visible virtual console 555 (/dev/tty0) will still be used as the system console by default, but 556 you can alter that using a kernel command line option such as 557 "console=ttymxc0". (Try "man bootparam" or see the documentation of 558 your bootloader about how to pass options to the kernel at boot time.) 559 560config SERIAL_UARTLITE 561 tristate "Xilinx uartlite serial port support" 562 depends on HAS_IOMEM 563 select SERIAL_CORE 564 help 565 Say Y here if you want to use the Xilinx uartlite serial controller. 566 567 To compile this driver as a module, choose M here: the 568 module will be called uartlite. 569 570config SERIAL_UARTLITE_CONSOLE 571 bool "Support for console on Xilinx uartlite serial port" 572 depends on SERIAL_UARTLITE=y 573 select SERIAL_CORE_CONSOLE 574 select SERIAL_EARLYCON 575 help 576 Say Y here if you wish to use a Xilinx uartlite as the system 577 console (the system console is the device which receives all kernel 578 messages and warnings and which allows logins in single user mode). 579 580config SERIAL_UARTLITE_NR_UARTS 581 int "Maximum number of uartlite serial ports" 582 depends on SERIAL_UARTLITE 583 range 1 256 584 default 1 585 help 586 Set this to the number of uartlites in your system, or the number 587 you think you might implement. 588 589config SERIAL_SUNCORE 590 bool 591 depends on SPARC 592 select SERIAL_CORE 593 select SERIAL_CORE_CONSOLE 594 default y 595 596config SERIAL_SUNZILOG 597 tristate "Sun Zilog8530 serial support" 598 depends on SPARC 599 help 600 This driver supports the Zilog8530 serial ports found on many Sparc 601 systems. Say Y or M if you want to be able to these serial ports. 602 603config SERIAL_SUNZILOG_CONSOLE 604 bool "Console on Sun Zilog8530 serial port" 605 depends on SERIAL_SUNZILOG=y 606 help 607 If you would like to be able to use the Zilog8530 serial port 608 on your Sparc system as the console, you can do so by answering 609 Y to this option. 610 611config SERIAL_SUNSU 612 tristate "Sun SU serial support" 613 depends on SPARC && PCI 614 help 615 This driver supports the 8250 serial ports that run the keyboard and 616 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able 617 to these serial ports. 618 619config SERIAL_SUNSU_CONSOLE 620 bool "Console on Sun SU serial port" 621 depends on SERIAL_SUNSU=y 622 help 623 If you would like to be able to use the SU serial port 624 on your Sparc system as the console, you can do so by answering 625 Y to this option. 626 627config SERIAL_MUX 628 tristate "Serial MUX support" 629 depends on GSC 630 select SERIAL_CORE 631 default y 632 ---help--- 633 Saying Y here will enable the hardware MUX serial driver for 634 the Nova, K class systems and D class with a 'remote control card'. 635 The hardware MUX is not 8250/16550 compatible therefore the 636 /dev/ttyB0 device is shared between the Serial MUX and the PDC 637 software console. The following steps need to be completed to use 638 the Serial MUX: 639 640 1. create the device entry (mknod /dev/ttyB0 c 11 0) 641 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 642 3. Add device ttyB0 to /etc/securetty (if you want to log on as 643 root on this console.) 644 4. Change the kernel command console parameter to: console=ttyB0 645 646config SERIAL_MUX_CONSOLE 647 bool "Support for console on serial MUX" 648 depends on SERIAL_MUX=y 649 select SERIAL_CORE_CONSOLE 650 default y 651 652config PDC_CONSOLE 653 bool "PDC software console support" 654 depends on PARISC && !SERIAL_MUX && VT 655 default n 656 help 657 Saying Y here will enable the software based PDC console to be 658 used as the system console. This is useful for machines in 659 which the hardware based console has not been written yet. The 660 following steps must be completed to use the PDC console: 661 662 1. create the device entry (mknod /dev/ttyB0 c 11 0) 663 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 664 3. Add device ttyB0 to /etc/securetty (if you want to log on as 665 root on this console.) 666 4. Change the kernel command console parameter to: console=ttyB0 667 668config SERIAL_SUNSAB 669 tristate "Sun Siemens SAB82532 serial support" 670 depends on SPARC && PCI 671 help 672 This driver supports the Siemens SAB82532 DUSCC serial ports on newer 673 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these 674 serial ports. 675 676config SERIAL_SUNSAB_CONSOLE 677 bool "Console on Sun Siemens SAB82532 serial port" 678 depends on SERIAL_SUNSAB=y 679 help 680 If you would like to be able to use the SAB82532 serial port 681 on your Sparc system as the console, you can do so by answering 682 Y to this option. 683 684config SERIAL_SUNHV 685 bool "Sun4v Hypervisor Console support" 686 depends on SPARC64 687 help 688 This driver supports the console device found on SUN4V Sparc 689 systems. Say Y if you want to be able to use this device. 690 691config SERIAL_IP22_ZILOG 692 tristate "SGI Zilog8530 serial support" 693 depends on SGI_HAS_ZILOG 694 select SERIAL_CORE 695 help 696 This driver supports the Zilog8530 serial ports found on SGI 697 systems. Say Y or M if you want to be able to these serial ports. 698 699config SERIAL_IP22_ZILOG_CONSOLE 700 bool "Console on SGI Zilog8530 serial port" 701 depends on SERIAL_IP22_ZILOG=y 702 select SERIAL_CORE_CONSOLE 703 704config SERIAL_SH_SCI 705 tristate "SuperH SCI(F) serial port support" 706 depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST 707 select SERIAL_CORE 708 select SERIAL_MCTRL_GPIO if GPIOLIB 709 710config SERIAL_SH_SCI_NR_UARTS 711 int "Maximum number of SCI(F) serial ports" if EXPERT 712 range 1 64 if 64BIT 713 range 1 32 if !64BIT 714 depends on SERIAL_SH_SCI 715 default "3" if H8300 716 default "10" if SUPERH 717 default "18" if ARCH_RENESAS 718 default "2" 719 720config SERIAL_SH_SCI_CONSOLE 721 bool "Support for console on SuperH SCI(F)" if EXPERT 722 depends on SERIAL_SH_SCI=y 723 select SERIAL_CORE_CONSOLE 724 default y 725 726config SERIAL_SH_SCI_EARLYCON 727 bool "Support for early console on SuperH SCI(F)" if EXPERT 728 depends on SERIAL_SH_SCI=y 729 select SERIAL_CORE_CONSOLE 730 select SERIAL_EARLYCON 731 default ARCH_RENESAS || H8300 732 733config SERIAL_SH_SCI_DMA 734 bool "DMA support" if EXPERT 735 depends on SERIAL_SH_SCI && DMA_ENGINE 736 default ARCH_RENESAS 737 738config SERIAL_PNX8XXX 739 bool "Enable PNX8XXX SoCs' UART Support" 740 depends on SOC_PNX833X 741 select SERIAL_CORE 742 help 743 If you have a MIPS-based Philips SoC such as PNX8330 and you want 744 to use serial ports, say Y. Otherwise, say N. 745 746config SERIAL_PNX8XXX_CONSOLE 747 bool "Enable PNX8XX0 serial console" 748 depends on SERIAL_PNX8XXX 749 select SERIAL_CORE_CONSOLE 750 help 751 If you have a MIPS-based Philips SoC such as PNX8330 and you want 752 to use serial console, say Y. Otherwise, say N. 753 754config SERIAL_HS_LPC32XX 755 tristate "LPC32XX high speed serial port support" 756 depends on ARCH_LPC32XX && OF 757 select SERIAL_CORE 758 help 759 Support for the LPC32XX high speed serial ports (up to 900kbps). 760 Those are UARTs completely different from the Standard UARTs on the 761 LPC32XX SoC. 762 Choose M or Y here to build this driver. 763 764config SERIAL_HS_LPC32XX_CONSOLE 765 bool "Enable LPC32XX high speed UART serial console" 766 depends on SERIAL_HS_LPC32XX=y 767 select SERIAL_CORE_CONSOLE 768 help 769 If you would like to be able to use one of the high speed serial 770 ports on the LPC32XX as the console, you can do so by answering 771 Y to this option. 772 773config SERIAL_CORE 774 tristate 775 776config SERIAL_CORE_CONSOLE 777 bool 778 779config CONSOLE_POLL 780 bool 781 782config SERIAL_MCF 783 bool "Coldfire serial support" 784 depends on COLDFIRE 785 select SERIAL_CORE 786 help 787 This serial driver supports the Freescale Coldfire serial ports. 788 789config SERIAL_MCF_BAUDRATE 790 int "Default baudrate for Coldfire serial ports" 791 depends on SERIAL_MCF 792 default 19200 793 help 794 This setting lets you define what the default baudrate is for the 795 ColdFire serial ports. The usual default varies from board to board, 796 and this setting is a way of catering for that. 797 798config SERIAL_MCF_CONSOLE 799 bool "Coldfire serial console support" 800 depends on SERIAL_MCF 801 select SERIAL_CORE_CONSOLE 802 help 803 Enable a ColdFire internal serial port to be the system console. 804 805config SERIAL_PMACZILOG 806 tristate "Mac or PowerMac z85c30 ESCC support" 807 depends on (M68K && MAC) || PPC_PMAC 808 select SERIAL_CORE 809 help 810 This driver supports the Zilog z85C30 serial ports found on 811 (Power)Mac machines. 812 Say Y or M if you want to be able to these serial ports. 813 814config SERIAL_PMACZILOG_TTYS 815 bool "Use ttySn device nodes for Zilog z85c30" 816 depends on SERIAL_PMACZILOG 817 help 818 The pmac_zilog driver for the z85C30 chip on many powermacs 819 historically used the device numbers for /dev/ttySn. The 820 8250 serial port driver also uses these numbers, which means 821 the two drivers being unable to coexist; you could not use 822 both z85C30 and 8250 type ports at the same time. 823 824 If this option is not selected, the pmac_zilog driver will 825 use the device numbers allocated for /dev/ttyPZn. This allows 826 the pmac_zilog and 8250 drivers to co-exist, but may cause 827 existing userspace setups to break. Programs that need to 828 access the built-in serial ports on powermacs will need to 829 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn. 830 831 If you enable this option, any z85c30 ports in the system will 832 be registered as ttyS0 onwards as in the past, and you will be 833 unable to use the 8250 module for PCMCIA or other 16C550-style 834 UARTs. 835 836 Say N unless you need the z85c30 ports on your (Power)Mac 837 to appear as /dev/ttySn. 838 839config SERIAL_PMACZILOG_CONSOLE 840 bool "Console on Mac or PowerMac z85c30 serial port" 841 depends on SERIAL_PMACZILOG=y 842 select SERIAL_CORE_CONSOLE 843 help 844 If you would like to be able to use the z85c30 serial port 845 on your (Power)Mac as the console, you can do so by answering 846 Y to this option. 847 848config SERIAL_CPM 849 tristate "CPM SCC/SMC serial port support" 850 depends on CPM2 || CPM1 851 select SERIAL_CORE 852 help 853 This driver supports the SCC and SMC serial ports on Motorola 854 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx) 855 856config SERIAL_CPM_CONSOLE 857 bool "Support for console on CPM SCC/SMC serial port" 858 depends on SERIAL_CPM=y 859 select SERIAL_CORE_CONSOLE 860 help 861 Say Y here if you wish to use a SCC or SMC CPM UART as the system 862 console (the system console is the device which receives all kernel 863 messages and warnings and which allows logins in single user mode). 864 865 Even if you say Y here, the currently visible framebuffer console 866 (/dev/tty0) will still be used as the system console by default, but 867 you can alter that using a kernel command line option such as 868 "console=ttyCPM0". (Try "man bootparam" or see the documentation of 869 your boot loader (lilo or loadlin) about how to pass options to the 870 kernel at boot time.) 871 872config SERIAL_SGI_L1_CONSOLE 873 bool "SGI Altix L1 serial console support" 874 depends on IA64_GENERIC || IA64_SGI_SN2 875 select SERIAL_CORE 876 select SERIAL_CORE_CONSOLE 877 help 878 If you have an SGI Altix and you would like to use the system 879 controller serial port as your console (you want this!), 880 say Y. Otherwise, say N. 881 882config SERIAL_PIC32 883 tristate "Microchip PIC32 serial support" 884 depends on MACH_PIC32 885 select SERIAL_CORE 886 help 887 If you have a PIC32, this driver supports the serial ports. 888 889 Say Y or M to use PIC32 serial ports, otherwise say N. Note that 890 to use a serial port as a console, this must be included in kernel and 891 not as a module. 892 893config SERIAL_PIC32_CONSOLE 894 bool "PIC32 serial console support" 895 depends on SERIAL_PIC32 896 select SERIAL_CORE_CONSOLE 897 help 898 If you have a PIC32, this driver supports the putting a console on one 899 of the serial ports. 900 901 Say Y to use the PIC32 console, otherwise say N. 902 903config SERIAL_MPC52xx 904 tristate "Freescale MPC52xx/MPC512x family PSC serial support" 905 depends on PPC_MPC52xx || PPC_MPC512x 906 select SERIAL_CORE 907 help 908 This driver supports MPC52xx and MPC512x PSC serial ports. If you would 909 like to use them, you must answer Y or M to this option. Note that 910 for use as console, it must be included in kernel and not as a 911 module. 912 913config SERIAL_MPC52xx_CONSOLE 914 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port" 915 depends on SERIAL_MPC52xx=y 916 select SERIAL_CORE_CONSOLE 917 help 918 Select this options if you'd like to use one of the PSC serial port 919 of the Freescale MPC52xx family as a console. 920 921config SERIAL_MPC52xx_CONSOLE_BAUD 922 int "Freescale MPC52xx/MPC512x family PSC serial port baud" 923 depends on SERIAL_MPC52xx_CONSOLE=y 924 default "9600" 925 help 926 Select the MPC52xx console baud rate. 927 This value is only used if the bootloader doesn't pass in the 928 console baudrate 929 930config SERIAL_ICOM 931 tristate "IBM Multiport Serial Adapter" 932 depends on PCI && PPC_PSERIES 933 select SERIAL_CORE 934 select FW_LOADER 935 help 936 This driver is for a family of multiport serial adapters 937 including 2 port RVX, 2 port internal modem, 4 port internal 938 modem and a split 1 port RVX and 1 port internal modem. 939 940 This driver can also be built as a module. If so, the module 941 will be called icom. 942 943config SERIAL_TXX9 944 bool "TMPTX39XX/49XX SIO support" 945 depends on HAS_TXX9_SERIAL 946 select SERIAL_CORE 947 default y 948 949config HAS_TXX9_SERIAL 950 bool 951 952config SERIAL_TXX9_NR_UARTS 953 int "Maximum number of TMPTX39XX/49XX SIO ports" 954 depends on SERIAL_TXX9 955 default "6" 956 957config SERIAL_TXX9_CONSOLE 958 bool "TMPTX39XX/49XX SIO Console support" 959 depends on SERIAL_TXX9=y 960 select SERIAL_CORE_CONSOLE 961 962config SERIAL_TXX9_STDSERIAL 963 bool "TX39XX/49XX SIO act as standard serial" 964 depends on !SERIAL_8250 && SERIAL_TXX9 965 966config SERIAL_VR41XX 967 tristate "NEC VR4100 series Serial Interface Unit support" 968 depends on CPU_VR41XX 969 select SERIAL_CORE 970 help 971 If you have a NEC VR4100 series processor and you want to use 972 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) 973 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. 974 975config SERIAL_VR41XX_CONSOLE 976 bool "Enable NEC VR4100 series Serial Interface Unit console" 977 depends on SERIAL_VR41XX=y 978 select SERIAL_CORE_CONSOLE 979 help 980 If you have a NEC VR4100 series processor and you want to use 981 a console on a serial port, say Y. Otherwise, say N. 982 983config SERIAL_JSM 984 tristate "Digi International NEO and Classic PCI Support" 985 depends on PCI 986 select SERIAL_CORE 987 help 988 This is a driver for Digi International's Neo and Classic series 989 of cards which provide multiple serial ports. You would need 990 something like this to connect more than two modems to your Linux 991 box, for instance in order to become a dial-in server. This driver 992 supports PCI boards only. 993 994 If you have a card like this, say Y here, otherwise say N. 995 996 To compile this driver as a module, choose M here: the 997 module will be called jsm. 998 999config SERIAL_SGI_IOC4 1000 tristate "SGI IOC4 controller serial support" 1001 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4 1002 select SERIAL_CORE 1003 help 1004 If you have an SGI Altix with an IOC4 based Base IO card 1005 and wish to use the serial ports on this card, say Y. 1006 Otherwise, say N. 1007 1008config SERIAL_SGI_IOC3 1009 tristate "SGI Altix IOC3 serial support" 1010 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3 1011 select SERIAL_CORE 1012 help 1013 If you have an SGI Altix with an IOC3 serial card, 1014 say Y or M. Otherwise, say N. 1015 1016config SERIAL_MSM 1017 tristate "MSM on-chip serial port support" 1018 depends on ARCH_QCOM 1019 select SERIAL_CORE 1020 1021config SERIAL_MSM_CONSOLE 1022 bool "MSM serial console support" 1023 depends on SERIAL_MSM=y 1024 select SERIAL_CORE_CONSOLE 1025 select SERIAL_EARLYCON 1026 1027config SERIAL_QCOM_GENI 1028 tristate "QCOM on-chip GENI based serial port support" 1029 depends on ARCH_QCOM || COMPILE_TEST 1030 depends on QCOM_GENI_SE 1031 select SERIAL_CORE 1032 1033config SERIAL_QCOM_GENI_CONSOLE 1034 bool "QCOM GENI Serial Console support" 1035 depends on SERIAL_QCOM_GENI=y 1036 select SERIAL_CORE_CONSOLE 1037 select SERIAL_EARLYCON 1038 help 1039 Serial console driver for Qualcomm Technologies Inc's GENI based 1040 QUP hardware. 1041 1042config SERIAL_VT8500 1043 bool "VIA VT8500 on-chip serial port support" 1044 depends on ARCH_VT8500 1045 select SERIAL_CORE 1046 1047config SERIAL_VT8500_CONSOLE 1048 bool "VIA VT8500 serial console support" 1049 depends on SERIAL_VT8500=y 1050 select SERIAL_CORE_CONSOLE 1051 1052config SERIAL_NETX 1053 tristate "NetX serial port support" 1054 depends on ARCH_NETX 1055 select SERIAL_CORE 1056 help 1057 If you have a machine based on a Hilscher NetX SoC you 1058 can enable its onboard serial port by enabling this option. 1059 1060 To compile this driver as a module, choose M here: the 1061 module will be called netx-serial. 1062 1063config SERIAL_NETX_CONSOLE 1064 bool "Console on NetX serial port" 1065 depends on SERIAL_NETX=y 1066 select SERIAL_CORE_CONSOLE 1067 help 1068 If you have enabled the serial port on the Hilscher NetX SoC 1069 you can make it the console by answering Y to this option. 1070 1071config SERIAL_OMAP 1072 tristate "OMAP serial port support" 1073 depends on ARCH_OMAP2PLUS 1074 select SERIAL_CORE 1075 help 1076 If you have a machine based on an Texas Instruments OMAP CPU you 1077 can enable its onboard serial ports by enabling this option. 1078 1079 By enabling this option you take advantage of dma feature available 1080 with the omap-serial driver. DMA support can be enabled from platform 1081 data. 1082 1083config SERIAL_OMAP_CONSOLE 1084 bool "Console on OMAP serial port" 1085 depends on SERIAL_OMAP=y 1086 select SERIAL_CORE_CONSOLE 1087 help 1088 Select this option if you would like to use omap serial port as 1089 console. 1090 1091 Even if you say Y here, the currently visible virtual console 1092 (/dev/tty0) will still be used as the system console by default, but 1093 you can alter that using a kernel command line option such as 1094 "console=ttyOx". (Try "man bootparam" or see the documentation of 1095 your boot loader about how to pass options to the kernel at 1096 boot time.) 1097 1098config SERIAL_LANTIQ 1099 bool "Lantiq serial driver" 1100 depends on LANTIQ 1101 select SERIAL_CORE 1102 select SERIAL_CORE_CONSOLE 1103 select SERIAL_EARLYCON 1104 help 1105 Support for console and UART on Lantiq SoCs. 1106 1107config SERIAL_QE 1108 tristate "Freescale QUICC Engine serial port support" 1109 depends on QUICC_ENGINE 1110 select SERIAL_CORE 1111 select FW_LOADER 1112 default n 1113 help 1114 This driver supports the QE serial ports on Freescale embedded 1115 PowerPC that contain a QUICC Engine. 1116 1117config SERIAL_SCCNXP 1118 tristate "SCCNXP serial port support" 1119 select SERIAL_CORE 1120 help 1121 This selects support for an advanced UART from NXP (Philips). 1122 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, 1123 SC28L202, SCC68681 and SCC68692. 1124 1125config SERIAL_SCCNXP_CONSOLE 1126 bool "Console on SCCNXP serial port" 1127 depends on SERIAL_SCCNXP=y 1128 select SERIAL_CORE_CONSOLE 1129 help 1130 Support for console on SCCNXP serial ports. 1131 1132config SERIAL_SC16IS7XX_CORE 1133 tristate 1134 1135config SERIAL_SC16IS7XX 1136 tristate "SC16IS7xx serial support" 1137 select SERIAL_CORE 1138 depends on (SPI_MASTER && !I2C) || I2C 1139 help 1140 This selects support for SC16IS7xx serial ports. 1141 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, 1142 SC16IS760 and SC16IS762. Select supported buses using options below. 1143 1144config SERIAL_SC16IS7XX_I2C 1145 bool "SC16IS7xx for I2C interface" 1146 depends on SERIAL_SC16IS7XX 1147 depends on I2C 1148 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1149 select REGMAP_I2C if I2C 1150 default y 1151 help 1152 Enable SC16IS7xx driver on I2C bus, 1153 If required say y, and say n to i2c if not required, 1154 Enabled by default to support oldconfig. 1155 You must select at least one bus for the driver to be built. 1156 1157config SERIAL_SC16IS7XX_SPI 1158 bool "SC16IS7xx for spi interface" 1159 depends on SERIAL_SC16IS7XX 1160 depends on SPI_MASTER 1161 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1162 select REGMAP_SPI if SPI_MASTER 1163 help 1164 Enable SC16IS7xx driver on SPI bus, 1165 If required say y, and say n to spi if not required, 1166 This is additional support to exsisting driver. 1167 You must select at least one bus for the driver to be built. 1168 1169config SERIAL_TIMBERDALE 1170 tristate "Support for timberdale UART" 1171 select SERIAL_CORE 1172 depends on X86_32 || COMPILE_TEST 1173 ---help--- 1174 Add support for UART controller on timberdale. 1175 1176config SERIAL_BCM63XX 1177 tristate "Broadcom BCM63xx/BCM33xx UART support" 1178 select SERIAL_CORE 1179 depends on MIPS || ARM || COMPILE_TEST 1180 help 1181 This enables the driver for the onchip UART core found on 1182 the following chipsets: 1183 1184 BCM33xx (cable modem) 1185 BCM63xx/BCM63xxx (DSL) 1186 BCM68xx (PON) 1187 BCM7xxx (STB) - DOCSIS console 1188 1189config SERIAL_BCM63XX_CONSOLE 1190 bool "Console on BCM63xx serial port" 1191 depends on SERIAL_BCM63XX=y 1192 select SERIAL_CORE_CONSOLE 1193 select SERIAL_EARLYCON 1194 help 1195 If you have enabled the serial port on the BCM63xx CPU 1196 you can make it the console by answering Y to this option. 1197 1198config SERIAL_GRLIB_GAISLER_APBUART 1199 tristate "GRLIB APBUART serial support" 1200 depends on OF && SPARC 1201 select SERIAL_CORE 1202 ---help--- 1203 Add support for the GRLIB APBUART serial port. 1204 1205config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE 1206 bool "Console on GRLIB APBUART serial port" 1207 depends on SERIAL_GRLIB_GAISLER_APBUART=y 1208 select SERIAL_CORE_CONSOLE 1209 help 1210 Support for running a console on the GRLIB APBUART 1211 1212config SERIAL_ALTERA_JTAGUART 1213 tristate "Altera JTAG UART support" 1214 select SERIAL_CORE 1215 help 1216 This driver supports the Altera JTAG UART port. 1217 1218config SERIAL_ALTERA_JTAGUART_CONSOLE 1219 bool "Altera JTAG UART console support" 1220 depends on SERIAL_ALTERA_JTAGUART=y 1221 select SERIAL_CORE_CONSOLE 1222 select SERIAL_EARLYCON 1223 help 1224 Enable a Altera JTAG UART port to be the system console. 1225 1226config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS 1227 bool "Bypass output when no connection" 1228 depends on SERIAL_ALTERA_JTAGUART_CONSOLE 1229 select SERIAL_CORE_CONSOLE 1230 help 1231 Bypass console output and keep going even if there is no 1232 JTAG terminal connection with the host. 1233 1234config SERIAL_ALTERA_UART 1235 tristate "Altera UART support" 1236 select SERIAL_CORE 1237 help 1238 This driver supports the Altera softcore UART port. 1239 1240config SERIAL_ALTERA_UART_MAXPORTS 1241 int "Maximum number of Altera UART ports" 1242 depends on SERIAL_ALTERA_UART 1243 default 4 1244 help 1245 This setting lets you define the maximum number of the Altera 1246 UART ports. The usual default varies from board to board, and 1247 this setting is a way of catering for that. 1248 1249config SERIAL_ALTERA_UART_BAUDRATE 1250 int "Default baudrate for Altera UART ports" 1251 depends on SERIAL_ALTERA_UART 1252 default 115200 1253 help 1254 This setting lets you define what the default baudrate is for the 1255 Altera UART ports. The usual default varies from board to board, 1256 and this setting is a way of catering for that. 1257 1258config SERIAL_ALTERA_UART_CONSOLE 1259 bool "Altera UART console support" 1260 depends on SERIAL_ALTERA_UART=y 1261 select SERIAL_CORE_CONSOLE 1262 select SERIAL_EARLYCON 1263 help 1264 Enable a Altera UART port to be the system console. 1265 1266config SERIAL_IFX6X60 1267 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" 1268 depends on GPIOLIB || COMPILE_TEST 1269 depends on SPI && HAS_DMA 1270 help 1271 Support for the IFX6x60 modem devices on Intel MID platforms. 1272 1273config SERIAL_PCH_UART 1274 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" 1275 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 1276 select SERIAL_CORE 1277 help 1278 This driver is for PCH(Platform controller Hub) UART of Intel EG20T 1279 which is an IOH(Input/Output Hub) for x86 embedded processor. 1280 Enabling PCH_DMA, this PCH UART works as DMA mode. 1281 1282 This driver also can be used for LAPIS Semiconductor IOH(Input/ 1283 Output Hub), ML7213, ML7223 and ML7831. 1284 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 1285 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 1286 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1287 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1288 1289config SERIAL_PCH_UART_CONSOLE 1290 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH" 1291 depends on SERIAL_PCH_UART=y 1292 select SERIAL_CORE_CONSOLE 1293 help 1294 Say Y here if you wish to use the PCH UART as the system console 1295 (the system console is the device which receives all kernel messages and 1296 warnings and which allows logins in single user mode). 1297 1298config SERIAL_MXS_AUART 1299 tristate "MXS AUART support" 1300 depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST 1301 select SERIAL_CORE 1302 select SERIAL_MCTRL_GPIO if GPIOLIB 1303 help 1304 This driver supports the MXS and Alphascale ASM9260 Application 1305 UART (AUART) port. 1306 1307config SERIAL_MXS_AUART_CONSOLE 1308 bool "MXS AUART console support" 1309 depends on SERIAL_MXS_AUART=y 1310 select SERIAL_CORE_CONSOLE 1311 help 1312 Enable a MXS AUART port to be the system console. 1313 1314config SERIAL_XILINX_PS_UART 1315 tristate "Cadence (Xilinx Zynq) UART support" 1316 depends on OF 1317 select SERIAL_CORE 1318 help 1319 This driver supports the Cadence UART. It is found e.g. in Xilinx 1320 Zynq. 1321 1322config SERIAL_XILINX_PS_UART_CONSOLE 1323 bool "Cadence UART console support" 1324 depends on SERIAL_XILINX_PS_UART=y 1325 select SERIAL_CORE_CONSOLE 1326 select SERIAL_EARLYCON 1327 help 1328 Enable a Cadence UART port to be the system console. 1329 1330config SERIAL_AR933X 1331 tristate "AR933X serial port support" 1332 depends on HAVE_CLK && ATH79 1333 select SERIAL_CORE 1334 help 1335 If you have an Atheros AR933X SOC based board and want to use the 1336 built-in UART of the SoC, say Y to this option. 1337 1338 To compile this driver as a module, choose M here: the 1339 module will be called ar933x_uart. 1340 1341config SERIAL_AR933X_CONSOLE 1342 bool "Console on AR933X serial port" 1343 depends on SERIAL_AR933X=y 1344 select SERIAL_CORE_CONSOLE 1345 help 1346 Enable a built-in UART port of the AR933X to be the system console. 1347 1348config SERIAL_AR933X_NR_UARTS 1349 int "Maximum number of AR933X serial ports" 1350 depends on SERIAL_AR933X 1351 default "2" 1352 help 1353 Set this to the number of serial ports you want the driver 1354 to support. 1355 1356config SERIAL_EFM32_UART 1357 tristate "EFM32 UART/USART port" 1358 depends on ARM && (ARCH_EFM32 || COMPILE_TEST) 1359 select SERIAL_CORE 1360 help 1361 This driver support the USART and UART ports on 1362 Energy Micro's efm32 SoCs. 1363 1364config SERIAL_MPS2_UART_CONSOLE 1365 bool "MPS2 UART console support" 1366 depends on SERIAL_MPS2_UART 1367 select SERIAL_CORE_CONSOLE 1368 select SERIAL_EARLYCON 1369 1370config SERIAL_MPS2_UART 1371 bool "MPS2 UART port" 1372 depends on ARCH_MPS2 || COMPILE_TEST 1373 select SERIAL_CORE 1374 help 1375 This driver support the UART ports on ARM MPS2. 1376 1377config SERIAL_EFM32_UART_CONSOLE 1378 bool "EFM32 UART/USART console support" 1379 depends on SERIAL_EFM32_UART=y 1380 select SERIAL_CORE_CONSOLE 1381 1382config SERIAL_ARC 1383 tristate "ARC UART driver support" 1384 select SERIAL_CORE 1385 help 1386 Driver for on-chip UART for ARC(Synopsys) for the legacy 1387 FPGA Boards (ML50x/ARCAngel4) 1388 1389config SERIAL_ARC_CONSOLE 1390 bool "Console on ARC UART" 1391 depends on SERIAL_ARC=y 1392 select SERIAL_CORE_CONSOLE 1393 select SERIAL_EARLYCON 1394 help 1395 Enable system Console on ARC UART 1396 1397config SERIAL_ARC_NR_PORTS 1398 int "Number of ARC UART ports" 1399 depends on SERIAL_ARC 1400 range 1 3 1401 default "1" 1402 help 1403 Set this to the number of serial ports you want the driver 1404 to support. 1405 1406config SERIAL_RP2 1407 tristate "Comtrol RocketPort EXPRESS/INFINITY support" 1408 depends on PCI 1409 select SERIAL_CORE 1410 help 1411 This driver supports the Comtrol RocketPort EXPRESS and 1412 RocketPort INFINITY families of PCI/PCIe multiport serial adapters. 1413 These adapters use a "RocketPort 2" ASIC that is not compatible 1414 with the original RocketPort driver (CONFIG_ROCKETPORT). 1415 1416 To compile this driver as a module, choose M here: the 1417 module will be called rp2. 1418 1419 If you want to compile this driver into the kernel, say Y here. If 1420 you don't have a suitable RocketPort card installed, say N. 1421 1422config SERIAL_RP2_NR_UARTS 1423 int "Maximum number of RocketPort EXPRESS/INFINITY ports" 1424 depends on SERIAL_RP2 1425 default "32" 1426 help 1427 If multiple cards are present, the default limit of 32 ports may 1428 need to be increased. 1429 1430config SERIAL_FSL_LPUART 1431 tristate "Freescale lpuart serial port support" 1432 depends on HAS_DMA 1433 select SERIAL_CORE 1434 help 1435 Support for the on-chip lpuart on some Freescale SOCs. 1436 1437config SERIAL_FSL_LPUART_CONSOLE 1438 bool "Console on Freescale lpuart serial port" 1439 depends on SERIAL_FSL_LPUART=y 1440 select SERIAL_CORE_CONSOLE 1441 select SERIAL_EARLYCON 1442 help 1443 If you have enabled the lpuart serial port on the Freescale SoCs, 1444 you can make it the console by answering Y to this option. 1445 1446config SERIAL_CONEXANT_DIGICOLOR 1447 tristate "Conexant Digicolor CX92xxx USART serial port support" 1448 depends on OF 1449 select SERIAL_CORE 1450 help 1451 Support for the on-chip USART on Conexant Digicolor SoCs. 1452 1453config SERIAL_CONEXANT_DIGICOLOR_CONSOLE 1454 bool "Console on Conexant Digicolor serial port" 1455 depends on SERIAL_CONEXANT_DIGICOLOR=y 1456 select SERIAL_CORE_CONSOLE 1457 help 1458 If you have enabled the USART serial port on Conexant Digicolor 1459 SoCs, you can make it the console by answering Y to this option. 1460 1461config SERIAL_ST_ASC 1462 tristate "ST ASC serial port support" 1463 select SERIAL_CORE 1464 depends on ARM || COMPILE_TEST 1465 help 1466 This driver is for the on-chip Asychronous Serial Controller on 1467 STMicroelectronics STi SoCs. 1468 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality. 1469 It support all industry standard baud rates. 1470 1471 If unsure, say N. 1472 1473config SERIAL_ST_ASC_CONSOLE 1474 bool "Support for console on ST ASC" 1475 depends on SERIAL_ST_ASC=y 1476 select SERIAL_CORE_CONSOLE 1477 1478config SERIAL_MEN_Z135 1479 tristate "MEN 16z135 Support" 1480 select SERIAL_CORE 1481 depends on MCB 1482 help 1483 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core 1484 on a MCB carrier. 1485 1486 This driver can also be build as a module. If so, the module will be called 1487 men_z135_uart.ko 1488 1489config SERIAL_SPRD 1490 tristate "Support for Spreadtrum serial" 1491 depends on ARCH_SPRD 1492 select SERIAL_CORE 1493 help 1494 This enables the driver for the Spreadtrum's serial. 1495 1496config SERIAL_SPRD_CONSOLE 1497 bool "Spreadtrum UART console support" 1498 depends on SERIAL_SPRD=y 1499 select SERIAL_CORE_CONSOLE 1500 select SERIAL_EARLYCON 1501 help 1502 Support for early debug console using Spreadtrum's serial. This enables 1503 the console before standard serial driver is probed. This is enabled 1504 with "earlycon" on the kernel command line. The console is 1505 enabled when early_param is processed. 1506 1507config SERIAL_STM32 1508 tristate "STMicroelectronics STM32 serial port support" 1509 select SERIAL_CORE 1510 depends on ARCH_STM32 || COMPILE_TEST 1511 help 1512 This driver is for the on-chip Serial Controller on 1513 STMicroelectronics STM32 MCUs. 1514 USART supports Rx & Tx functionality. 1515 It support all industry standard baud rates. 1516 1517 If unsure, say N. 1518 1519config SERIAL_STM32_CONSOLE 1520 bool "Support for console on STM32" 1521 depends on SERIAL_STM32=y 1522 select SERIAL_CORE_CONSOLE 1523 1524config SERIAL_MVEBU_UART 1525 bool "Marvell EBU serial port support" 1526 depends on ARCH_MVEBU || COMPILE_TEST 1527 select SERIAL_CORE 1528 help 1529 This driver is for Marvell EBU SoC's UART. If you have a machine 1530 based on the Armada-3700 SoC and wish to use the on-board serial 1531 port, 1532 say 'Y' here. 1533 Otherwise, say 'N'. 1534 1535config SERIAL_MVEBU_CONSOLE 1536 bool "Console on Marvell EBU serial port" 1537 depends on SERIAL_MVEBU_UART 1538 select SERIAL_CORE_CONSOLE 1539 select SERIAL_EARLYCON 1540 default y 1541 help 1542 Say 'Y' here if you wish to use Armada-3700 UART as the system console. 1543 (the system console is the device which receives all kernel messages 1544 and warnings and which allows logins in single user mode) 1545 Otherwise, say 'N'. 1546 1547config SERIAL_OWL 1548 tristate "Actions Semi Owl serial port support" 1549 depends on ARCH_ACTIONS || COMPILE_TEST 1550 select SERIAL_CORE 1551 help 1552 This driver is for Actions Semiconductor S500/S900 SoC's UART. 1553 Say 'Y' here if you wish to use the on-board serial port. 1554 Otherwise, say 'N'. 1555 1556config SERIAL_OWL_CONSOLE 1557 bool "Console on Actions Semi Owl serial port" 1558 depends on SERIAL_OWL=y 1559 select SERIAL_CORE_CONSOLE 1560 select SERIAL_EARLYCON 1561 default y 1562 help 1563 Say 'Y' here if you wish to use Actions Semiconductor S500/S900 UART 1564 as the system console. 1565 1566config SERIAL_RDA 1567 bool "RDA Micro serial port support" 1568 depends on ARCH_RDA || COMPILE_TEST 1569 select SERIAL_CORE 1570 help 1571 This driver is for RDA8810PL SoC's UART. 1572 Say 'Y' here if you wish to use the on-board serial port. 1573 Otherwise, say 'N'. 1574 1575config SERIAL_RDA_CONSOLE 1576 bool "Console on RDA Micro serial port" 1577 depends on SERIAL_RDA=y 1578 select SERIAL_CORE_CONSOLE 1579 select SERIAL_EARLYCON 1580 default y 1581 help 1582 Say 'Y' here if you wish to use the RDA8810PL UART as the system 1583 console. Only earlycon is implemented currently. 1584 1585endmenu 1586 1587config SERIAL_MCTRL_GPIO 1588 tristate 1589 1590endif # TTY 1591