1 # SPDX-License-Identifier: GPL-2.0 2 # 3 # Serial device configuration 4 # 5 6 menu "Serial drivers" 7 depends on HAS_IOMEM 8 9 config SERIAL_EARLYCON 10 bool 11 depends on SERIAL_CORE 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 17 source "drivers/tty/serial/8250/Kconfig" 18 19 comment "Non-8250 serial port support" 20 21 config 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 32 config 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 48 config 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 59 config 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 76 config 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 88 config SERIAL_EARLYCON_RISCV_SBI 89 bool "Early console using RISC-V SBI" 90 depends on RISCV_SBI_V01 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. 99 100 config 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. 114 115 config 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. 127 128 config 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. 137 138 config 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). 147 148 config 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. 162 163 config 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. 179 180 config 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. 198 199 config SERIAL_MESON 200 tristate "Meson serial port support" 201 depends on ARCH_MESON 202 select SERIAL_CORE 203 help 204 This enables the driver for the on-chip UARTs of the Amlogic 205 MesonX processors. 206 207 config SERIAL_MESON_CONSOLE 208 bool "Support for console on meson" 209 depends on SERIAL_MESON=y 210 select SERIAL_CORE_CONSOLE 211 select SERIAL_EARLYCON 212 help 213 Say Y here if you wish to use a Amlogic MesonX UART as the 214 system console (the system console is the device which 215 receives all kernel messages and warnings and which allows 216 logins in single user mode) as /dev/ttyAMLx. 217 218 config SERIAL_CLPS711X 219 tristate "CLPS711X serial port support" 220 depends on ARCH_CLPS711X || COMPILE_TEST 221 select SERIAL_CORE 222 select SERIAL_MCTRL_GPIO if GPIOLIB 223 help 224 This enables the driver for the on-chip UARTs of the Cirrus 225 Logic EP711x/EP721x/EP731x processors. 226 227 config SERIAL_CLPS711X_CONSOLE 228 bool "Support for console on CLPS711X serial port" 229 depends on SERIAL_CLPS711X=y 230 select SERIAL_CORE_CONSOLE 231 help 232 Even if you say Y here, the currently visible virtual console 233 (/dev/tty0) will still be used as the system console by default, but 234 you can alter that using a kernel command line option such as 235 "console=ttyCL1". 236 237 config SERIAL_SAMSUNG 238 tristate "Samsung SoC serial support" 239 depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 240 select SERIAL_CORE 241 help 242 Support for the on-chip UARTs on the Samsung S3C24XX series CPUs, 243 providing /dev/ttySAC0, 1 and 2 (note, some machines may not 244 provide all of these ports, depending on how the serial port 245 pins are configured. 246 247 config SERIAL_SAMSUNG_UARTS_4 248 bool 249 depends on SERIAL_SAMSUNG 250 default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442) 251 help 252 Internal node for the common case of 4 Samsung compatible UARTs 253 254 config SERIAL_SAMSUNG_UARTS 255 int 256 depends on SERIAL_SAMSUNG 257 default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416 258 default 3 259 help 260 Select the number of available UART ports for the Samsung S3C 261 serial driver 262 263 config SERIAL_SAMSUNG_CONSOLE 264 bool "Support for console on Samsung SoC serial port" 265 depends on SERIAL_SAMSUNG=y 266 select SERIAL_CORE_CONSOLE 267 select SERIAL_EARLYCON 268 help 269 Allow selection of the S3C24XX on-board serial ports for use as 270 an virtual console. 271 272 Even if you say Y here, the currently visible virtual console 273 (/dev/tty0) will still be used as the system console by default, but 274 you can alter that using a kernel command line option such as 275 "console=ttySACx". (Try "man bootparam" or see the documentation of 276 your boot loader about how to pass options to the kernel at 277 boot time.) 278 279 config SERIAL_SIRFSOC 280 tristate "SiRF SoC Platform Serial port support" 281 depends on ARCH_SIRF 282 select SERIAL_CORE 283 help 284 Support for the on-chip UART on the CSR SiRFprimaII series, 285 providing /dev/ttySiRF0, 1 and 2 (note, some machines may not 286 provide all of these ports, depending on how the serial port 287 pins are configured). 288 289 config SERIAL_SIRFSOC_CONSOLE 290 bool "Support for console on SiRF SoC serial port" 291 depends on SERIAL_SIRFSOC=y 292 select SERIAL_CORE_CONSOLE 293 help 294 Even if you say Y here, the currently visible virtual console 295 (/dev/tty0) will still be used as the system console by default, but 296 you can alter that using a kernel command line option such as 297 "console=ttySiRFx". (Try "man bootparam" or see the documentation of 298 your boot loader about how to pass options to the kernel at 299 boot time.) 300 301 config SERIAL_TEGRA 302 tristate "NVIDIA Tegra20/30 SoC serial controller" 303 depends on ARCH_TEGRA && TEGRA20_APB_DMA 304 select SERIAL_CORE 305 help 306 Support for the on-chip UARTs on the NVIDIA Tegra series SOCs 307 providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not 308 provide all of these ports, depending on how the serial port 309 are enabled). This driver uses the APB DMA to achieve higher baudrate 310 and better performance. 311 312 config SERIAL_TEGRA_TCU 313 tristate "NVIDIA Tegra Combined UART" 314 depends on ARCH_TEGRA && TEGRA_HSP_MBOX 315 select SERIAL_CORE 316 help 317 Support for the mailbox-based TCU (Tegra Combined UART) serial port. 318 TCU is a virtual serial port that allows multiplexing multiple data 319 streams into a single hardware serial port. 320 321 config SERIAL_TEGRA_TCU_CONSOLE 322 bool "Support for console on a Tegra TCU serial port" 323 depends on SERIAL_TEGRA_TCU=y 324 select SERIAL_CORE_CONSOLE 325 default y 326 help 327 If you say Y here, it will be possible to use a the Tegra TCU as the 328 system console (the system console is the device which receives all 329 kernel messages and warnings and which allows logins in single user 330 mode). 331 332 If unsure, say Y. 333 334 config SERIAL_MAX3100 335 tristate "MAX3100 support" 336 depends on SPI 337 select SERIAL_CORE 338 help 339 MAX3100 chip support 340 341 config SERIAL_MAX310X 342 tristate "MAX310X support" 343 depends on SPI_MASTER 344 select SERIAL_CORE 345 select REGMAP_SPI if SPI_MASTER 346 help 347 This selects support for an advanced UART from Maxim (Dallas). 348 Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830. 349 Each IC contains 128 words each of receive and transmit FIFO 350 that can be controlled through I2C or high-speed SPI. 351 352 Say Y here if you want to support this ICs. 353 354 config SERIAL_DZ 355 bool "DECstation DZ serial driver" 356 depends on MACH_DECSTATION && 32BIT 357 select SERIAL_CORE 358 default y 359 help 360 DZ11-family serial controllers for DECstations and VAXstations, 361 including the DC7085, M7814, and M7819. 362 363 config SERIAL_DZ_CONSOLE 364 bool "Support console on DECstation DZ serial driver" 365 depends on SERIAL_DZ=y 366 select SERIAL_CORE_CONSOLE 367 default y 368 help 369 If you say Y here, it will be possible to use a serial port as the 370 system console (the system console is the device which receives all 371 kernel messages and warnings and which allows logins in single user 372 mode). 373 374 Note that the firmware uses ttyS3 as the serial console on 375 DECstations that use this driver. 376 377 If unsure, say Y. 378 379 config SERIAL_ZS 380 tristate "DECstation Z85C30 serial support" 381 depends on MACH_DECSTATION 382 select SERIAL_CORE 383 default y 384 help 385 Support for the Zilog 85C350 serial communications controller used 386 for serial ports in newer DECstation systems. These include the 387 DECsystem 5900 and all models of the DECstation and DECsystem 5000 388 systems except from model 200. 389 390 If unsure, say Y. To compile this driver as a module, choose M here: 391 the module will be called zs. 392 393 config SERIAL_ZS_CONSOLE 394 bool "Support for console on a DECstation Z85C30 serial port" 395 depends on SERIAL_ZS=y 396 select SERIAL_CORE_CONSOLE 397 default y 398 help 399 If you say Y here, it will be possible to use a serial port as the 400 system console (the system console is the device which receives all 401 kernel messages and warnings and which allows logins in single user 402 mode). 403 404 Note that the firmware uses ttyS1 as the serial console on the 405 Maxine and ttyS3 on the others using this driver. 406 407 If unsure, say Y. 408 409 config SERIAL_21285 410 tristate "DC21285 serial port support" 411 depends on FOOTBRIDGE 412 select SERIAL_CORE 413 help 414 If you have a machine based on a 21285 (Footbridge) StrongARM(R)/ 415 PCI bridge you can enable its onboard serial port by enabling this 416 option. 417 418 config SERIAL_21285_CONSOLE 419 bool "Console on DC21285 serial port" 420 depends on SERIAL_21285=y 421 select SERIAL_CORE_CONSOLE 422 help 423 If you have enabled the serial port on the 21285 footbridge you can 424 make it the console by answering Y to this option. 425 426 Even if you say Y here, the currently visible virtual console 427 (/dev/tty0) will still be used as the system console by default, but 428 you can alter that using a kernel command line option such as 429 "console=ttyFB". (Try "man bootparam" or see the documentation of 430 your boot loader (lilo or loadlin) about how to pass options to the 431 kernel at boot time.) 432 433 config SERIAL_PXA 434 bool "PXA serial port support (DEPRECATED)" 435 depends on ARCH_PXA || ARCH_MMP 436 select SERIAL_CORE 437 select SERIAL_8250_PXA if SERIAL_8250=y 438 select SERIAL_PXA_NON8250 if !SERIAL_8250=y 439 help 440 If you have a machine based on an Intel XScale PXA2xx CPU you 441 can enable its onboard serial ports by enabling this option. 442 443 Unless you have a specific need, you should use SERIAL_8250_PXA 444 instead of this. 445 446 config SERIAL_PXA_NON8250 447 bool 448 depends on !SERIAL_8250 449 450 config SERIAL_PXA_CONSOLE 451 bool "Console on PXA serial port (DEPRECATED)" 452 depends on SERIAL_PXA 453 select SERIAL_CORE_CONSOLE 454 select SERIAL_8250_CONSOLE if SERIAL_8250=y 455 help 456 If you have enabled the serial port on the Intel XScale PXA 457 CPU you can make it the console by answering Y to this option. 458 459 Even if you say Y here, the currently visible virtual console 460 (/dev/tty0) will still be used as the system console by default, but 461 you can alter that using a kernel command line option such as 462 "console=ttySA0". (Try "man bootparam" or see the documentation of 463 your boot loader (lilo or loadlin) about how to pass options to the 464 kernel at boot time.) 465 466 Unless you have a specific need, you should use SERIAL_8250_PXA 467 and SERIAL_8250_CONSOLE instead of this. 468 469 config SERIAL_SA1100 470 bool "SA1100 serial port support" 471 depends on ARCH_SA1100 472 select SERIAL_CORE 473 select SERIAL_MCTRL_GPIO if GPIOLIB 474 help 475 If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you 476 can enable its onboard serial port by enabling this option. 477 Please read <file:Documentation/arm/sa1100/serial_uart.rst> for further 478 info. 479 480 config SERIAL_SA1100_CONSOLE 481 bool "Console on SA1100 serial port" 482 depends on SERIAL_SA1100 483 select SERIAL_CORE_CONSOLE 484 help 485 If you have enabled the serial port on the SA1100/SA1110 StrongARM 486 CPU you can make it the console by answering Y to this option. 487 488 Even if you say Y here, the currently visible virtual console 489 (/dev/tty0) will still be used as the system console by default, but 490 you can alter that using a kernel command line option such as 491 "console=ttySA0". (Try "man bootparam" or see the documentation of 492 your boot loader (lilo or loadlin) about how to pass options to the 493 kernel at boot time.) 494 495 config SERIAL_IMX 496 tristate "IMX serial port support" 497 depends on ARCH_MXC || COMPILE_TEST 498 select SERIAL_CORE 499 select RATIONAL 500 select SERIAL_MCTRL_GPIO if GPIOLIB 501 help 502 If you have a machine based on a Motorola IMX CPU you 503 can enable its onboard serial port by enabling this option. 504 505 config SERIAL_IMX_CONSOLE 506 tristate "Console on IMX serial port" 507 depends on SERIAL_IMX 508 select SERIAL_CORE_CONSOLE 509 help 510 If you have enabled the serial port on the Freescale IMX 511 CPU you can make it the console by answering Y/M to this option. 512 513 Even if you say Y/M here, the currently visible virtual console 514 (/dev/tty0) will still be used as the system console by default, but 515 you can alter that using a kernel command line option such as 516 "console=ttymxc0". (Try "man bootparam" or see the documentation of 517 your bootloader about how to pass options to the kernel at boot time.) 518 519 config SERIAL_IMX_EARLYCON 520 bool "Earlycon on IMX serial port" 521 depends on ARCH_MXC || COMPILE_TEST 522 depends on OF 523 select SERIAL_EARLYCON 524 select SERIAL_CORE_CONSOLE 525 default y if SERIAL_IMX_CONSOLE 526 help 527 If you have enabled the earlycon on the Freescale IMX 528 CPU you can make it the earlycon by answering Y to this option. 529 530 config SERIAL_UARTLITE 531 tristate "Xilinx uartlite serial port support" 532 depends on HAS_IOMEM 533 select SERIAL_CORE 534 help 535 Say Y here if you want to use the Xilinx uartlite serial controller. 536 537 To compile this driver as a module, choose M here: the 538 module will be called uartlite. 539 540 config SERIAL_UARTLITE_CONSOLE 541 bool "Support for console on Xilinx uartlite serial port" 542 depends on SERIAL_UARTLITE=y 543 select SERIAL_CORE_CONSOLE 544 select SERIAL_EARLYCON 545 help 546 Say Y here if you wish to use a Xilinx uartlite as the system 547 console (the system console is the device which receives all kernel 548 messages and warnings and which allows logins in single user mode). 549 550 config SERIAL_UARTLITE_NR_UARTS 551 int "Maximum number of uartlite serial ports" 552 depends on SERIAL_UARTLITE 553 range 1 256 554 default 1 555 help 556 Set this to the number of uartlites in your system, or the number 557 you think you might implement. 558 559 config SERIAL_SUNCORE 560 bool 561 depends on SPARC 562 select SERIAL_CORE 563 select SERIAL_CORE_CONSOLE 564 default y 565 566 config SERIAL_SUNZILOG 567 tristate "Sun Zilog8530 serial support" 568 depends on SPARC 569 help 570 This driver supports the Zilog8530 serial ports found on many Sparc 571 systems. Say Y or M if you want to be able to these serial ports. 572 573 config SERIAL_SUNZILOG_CONSOLE 574 bool "Console on Sun Zilog8530 serial port" 575 depends on SERIAL_SUNZILOG=y 576 help 577 If you would like to be able to use the Zilog8530 serial port 578 on your Sparc system as the console, you can do so by answering 579 Y to this option. 580 581 config SERIAL_SUNSU 582 tristate "Sun SU serial support" 583 depends on SPARC && PCI 584 help 585 This driver supports the 8250 serial ports that run the keyboard and 586 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able 587 to these serial ports. 588 589 config SERIAL_SUNSU_CONSOLE 590 bool "Console on Sun SU serial port" 591 depends on SERIAL_SUNSU=y 592 help 593 If you would like to be able to use the SU serial port 594 on your Sparc system as the console, you can do so by answering 595 Y to this option. 596 597 config SERIAL_MUX 598 tristate "Serial MUX support" 599 depends on GSC 600 select SERIAL_CORE 601 default y 602 help 603 Saying Y here will enable the hardware MUX serial driver for 604 the Nova, K class systems and D class with a 'remote control card'. 605 The hardware MUX is not 8250/16550 compatible therefore the 606 /dev/ttyB0 device is shared between the Serial MUX and the PDC 607 software console. The following steps need to be completed to use 608 the Serial MUX: 609 610 1. create the device entry (mknod /dev/ttyB0 c 11 0) 611 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 612 3. Add device ttyB0 to /etc/securetty (if you want to log on as 613 root on this console.) 614 4. Change the kernel command console parameter to: console=ttyB0 615 616 config SERIAL_MUX_CONSOLE 617 bool "Support for console on serial MUX" 618 depends on SERIAL_MUX=y 619 select SERIAL_CORE_CONSOLE 620 default y 621 622 config PDC_CONSOLE 623 bool "PDC software console support" 624 depends on PARISC && !SERIAL_MUX && VT 625 help 626 Saying Y here will enable the software based PDC console to be 627 used as the system console. This is useful for machines in 628 which the hardware based console has not been written yet. The 629 following steps must be completed to use the PDC console: 630 631 1. create the device entry (mknod /dev/ttyB0 c 11 0) 632 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 633 3. Add device ttyB0 to /etc/securetty (if you want to log on as 634 root on this console.) 635 4. Change the kernel command console parameter to: console=ttyB0 636 637 config SERIAL_SUNSAB 638 tristate "Sun Siemens SAB82532 serial support" 639 depends on SPARC && PCI 640 help 641 This driver supports the Siemens SAB82532 DUSCC serial ports on newer 642 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these 643 serial ports. 644 645 config SERIAL_SUNSAB_CONSOLE 646 bool "Console on Sun Siemens SAB82532 serial port" 647 depends on SERIAL_SUNSAB=y 648 help 649 If you would like to be able to use the SAB82532 serial port 650 on your Sparc system as the console, you can do so by answering 651 Y to this option. 652 653 config SERIAL_SUNHV 654 bool "Sun4v Hypervisor Console support" 655 depends on SPARC64 656 help 657 This driver supports the console device found on SUN4V Sparc 658 systems. Say Y if you want to be able to use this device. 659 660 config SERIAL_IP22_ZILOG 661 tristate "SGI Zilog8530 serial support" 662 depends on SGI_HAS_ZILOG 663 select SERIAL_CORE 664 help 665 This driver supports the Zilog8530 serial ports found on SGI 666 systems. Say Y or M if you want to be able to these serial ports. 667 668 config SERIAL_IP22_ZILOG_CONSOLE 669 bool "Console on SGI Zilog8530 serial port" 670 depends on SERIAL_IP22_ZILOG=y 671 select SERIAL_CORE_CONSOLE 672 673 config SERIAL_SH_SCI 674 tristate "SuperH SCI(F) serial port support" 675 depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST 676 select SERIAL_CORE 677 select SERIAL_MCTRL_GPIO if GPIOLIB 678 679 config SERIAL_SH_SCI_NR_UARTS 680 int "Maximum number of SCI(F) serial ports" if EXPERT 681 range 1 64 if 64BIT 682 range 1 32 if !64BIT 683 depends on SERIAL_SH_SCI 684 default "3" if H8300 685 default "10" if SUPERH 686 default "18" if ARCH_RENESAS 687 default "2" 688 689 config SERIAL_SH_SCI_CONSOLE 690 bool "Support for console on SuperH SCI(F)" if EXPERT 691 depends on SERIAL_SH_SCI=y 692 select SERIAL_CORE_CONSOLE 693 default y 694 695 config SERIAL_SH_SCI_EARLYCON 696 bool "Support for early console on SuperH SCI(F)" if EXPERT 697 depends on SERIAL_SH_SCI=y 698 select SERIAL_CORE_CONSOLE 699 select SERIAL_EARLYCON 700 default ARCH_RENESAS || H8300 701 702 config SERIAL_SH_SCI_DMA 703 bool "DMA support" if EXPERT 704 depends on SERIAL_SH_SCI && DMA_ENGINE 705 default ARCH_RENESAS 706 707 config SERIAL_PNX8XXX 708 bool "Enable PNX8XXX SoCs' UART Support" 709 depends on SOC_PNX833X 710 select SERIAL_CORE 711 help 712 If you have a MIPS-based Philips SoC such as PNX8330 and you want 713 to use serial ports, say Y. Otherwise, say N. 714 715 config SERIAL_PNX8XXX_CONSOLE 716 bool "Enable PNX8XX0 serial console" 717 depends on SERIAL_PNX8XXX 718 select SERIAL_CORE_CONSOLE 719 help 720 If you have a MIPS-based Philips SoC such as PNX8330 and you want 721 to use serial console, say Y. Otherwise, say N. 722 723 config SERIAL_HS_LPC32XX 724 tristate "LPC32XX high speed serial port support" 725 depends on ARCH_LPC32XX || COMPILE_TEST 726 depends on OF 727 select SERIAL_CORE 728 help 729 Support for the LPC32XX high speed serial ports (up to 900kbps). 730 Those are UARTs completely different from the Standard UARTs on the 731 LPC32XX SoC. 732 Choose M or Y here to build this driver. 733 734 config SERIAL_HS_LPC32XX_CONSOLE 735 bool "Enable LPC32XX high speed UART serial console" 736 depends on SERIAL_HS_LPC32XX=y 737 select SERIAL_CORE_CONSOLE 738 help 739 If you would like to be able to use one of the high speed serial 740 ports on the LPC32XX as the console, you can do so by answering 741 Y to this option. 742 743 config SERIAL_CORE 744 tristate 745 746 config SERIAL_CORE_CONSOLE 747 bool 748 749 config CONSOLE_POLL 750 bool 751 752 config SERIAL_MCF 753 bool "Coldfire serial support" 754 depends on COLDFIRE 755 select SERIAL_CORE 756 help 757 This serial driver supports the Freescale Coldfire serial ports. 758 759 config SERIAL_MCF_BAUDRATE 760 int "Default baudrate for Coldfire serial ports" 761 depends on SERIAL_MCF 762 default 19200 763 help 764 This setting lets you define what the default baudrate is for the 765 ColdFire serial ports. The usual default varies from board to board, 766 and this setting is a way of catering for that. 767 768 config SERIAL_MCF_CONSOLE 769 bool "Coldfire serial console support" 770 depends on SERIAL_MCF 771 select SERIAL_CORE_CONSOLE 772 help 773 Enable a ColdFire internal serial port to be the system console. 774 775 config SERIAL_PMACZILOG 776 tristate "Mac or PowerMac z85c30 ESCC support" 777 depends on (M68K && MAC) || PPC_PMAC 778 select SERIAL_CORE 779 help 780 This driver supports the Zilog z85C30 serial ports found on 781 (Power)Mac machines. 782 Say Y or M if you want to be able to these serial ports. 783 784 config SERIAL_PMACZILOG_TTYS 785 bool "Use ttySn device nodes for Zilog z85c30" 786 depends on SERIAL_PMACZILOG 787 help 788 The pmac_zilog driver for the z85C30 chip on many powermacs 789 historically used the device numbers for /dev/ttySn. The 790 8250 serial port driver also uses these numbers, which means 791 the two drivers being unable to coexist; you could not use 792 both z85C30 and 8250 type ports at the same time. 793 794 If this option is not selected, the pmac_zilog driver will 795 use the device numbers allocated for /dev/ttyPZn. This allows 796 the pmac_zilog and 8250 drivers to co-exist, but may cause 797 existing userspace setups to break. Programs that need to 798 access the built-in serial ports on powermacs will need to 799 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn. 800 801 If you enable this option, any z85c30 ports in the system will 802 be registered as ttyS0 onwards as in the past, and you will be 803 unable to use the 8250 module for PCMCIA or other 16C550-style 804 UARTs. 805 806 Say N unless you need the z85c30 ports on your (Power)Mac 807 to appear as /dev/ttySn. 808 809 config SERIAL_PMACZILOG_CONSOLE 810 bool "Console on Mac or PowerMac z85c30 serial port" 811 depends on SERIAL_PMACZILOG=y 812 select SERIAL_CORE_CONSOLE 813 help 814 If you would like to be able to use the z85c30 serial port 815 on your (Power)Mac as the console, you can do so by answering 816 Y to this option. 817 818 config SERIAL_CPM 819 tristate "CPM SCC/SMC serial port support" 820 depends on CPM2 || CPM1 821 select SERIAL_CORE 822 help 823 This driver supports the SCC and SMC serial ports on Motorola 824 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx) 825 826 config SERIAL_CPM_CONSOLE 827 bool "Support for console on CPM SCC/SMC serial port" 828 depends on SERIAL_CPM=y 829 select SERIAL_CORE_CONSOLE 830 help 831 Say Y here if you wish to use a SCC or SMC CPM UART as the system 832 console (the system console is the device which receives all kernel 833 messages and warnings and which allows logins in single user mode). 834 835 Even if you say Y here, the currently visible framebuffer console 836 (/dev/tty0) will still be used as the system console by default, but 837 you can alter that using a kernel command line option such as 838 "console=ttyCPM0". (Try "man bootparam" or see the documentation of 839 your boot loader (lilo or loadlin) about how to pass options to the 840 kernel at boot time.) 841 842 config SERIAL_PIC32 843 tristate "Microchip PIC32 serial support" 844 depends on MACH_PIC32 845 select SERIAL_CORE 846 help 847 If you have a PIC32, this driver supports the serial ports. 848 849 Say Y or M to use PIC32 serial ports, otherwise say N. Note that 850 to use a serial port as a console, this must be included in kernel and 851 not as a module. 852 853 config SERIAL_PIC32_CONSOLE 854 bool "PIC32 serial console support" 855 depends on SERIAL_PIC32 856 select SERIAL_CORE_CONSOLE 857 help 858 If you have a PIC32, this driver supports the putting a console on one 859 of the serial ports. 860 861 Say Y to use the PIC32 console, otherwise say N. 862 863 config SERIAL_MPC52xx 864 tristate "Freescale MPC52xx/MPC512x family PSC serial support" 865 depends on PPC_MPC52xx || PPC_MPC512x 866 select SERIAL_CORE 867 help 868 This driver supports MPC52xx and MPC512x PSC serial ports. If you would 869 like to use them, you must answer Y or M to this option. Note that 870 for use as console, it must be included in kernel and not as a 871 module. 872 873 config SERIAL_MPC52xx_CONSOLE 874 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port" 875 depends on SERIAL_MPC52xx=y 876 select SERIAL_CORE_CONSOLE 877 help 878 Select this options if you'd like to use one of the PSC serial port 879 of the Freescale MPC52xx family as a console. 880 881 config SERIAL_MPC52xx_CONSOLE_BAUD 882 int "Freescale MPC52xx/MPC512x family PSC serial port baud" 883 depends on SERIAL_MPC52xx_CONSOLE=y 884 default "9600" 885 help 886 Select the MPC52xx console baud rate. 887 This value is only used if the bootloader doesn't pass in the 888 console baudrate 889 890 config SERIAL_ICOM 891 tristate "IBM Multiport Serial Adapter" 892 depends on PCI && PPC_PSERIES 893 select SERIAL_CORE 894 select FW_LOADER 895 help 896 This driver is for a family of multiport serial adapters 897 including 2 port RVX, 2 port internal modem, 4 port internal 898 modem and a split 1 port RVX and 1 port internal modem. 899 900 This driver can also be built as a module. If so, the module 901 will be called icom. 902 903 config SERIAL_TXX9 904 bool "TMPTX39XX/49XX SIO support" 905 depends on HAS_TXX9_SERIAL 906 select SERIAL_CORE 907 default y 908 909 config HAS_TXX9_SERIAL 910 bool 911 912 config SERIAL_TXX9_NR_UARTS 913 int "Maximum number of TMPTX39XX/49XX SIO ports" 914 depends on SERIAL_TXX9 915 default "6" 916 917 config SERIAL_TXX9_CONSOLE 918 bool "TMPTX39XX/49XX SIO Console support" 919 depends on SERIAL_TXX9=y 920 select SERIAL_CORE_CONSOLE 921 922 config SERIAL_TXX9_STDSERIAL 923 bool "TX39XX/49XX SIO act as standard serial" 924 depends on !SERIAL_8250 && SERIAL_TXX9 925 926 config SERIAL_VR41XX 927 tristate "NEC VR4100 series Serial Interface Unit support" 928 depends on CPU_VR41XX 929 select SERIAL_CORE 930 help 931 If you have a NEC VR4100 series processor and you want to use 932 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) 933 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. 934 935 config SERIAL_VR41XX_CONSOLE 936 bool "Enable NEC VR4100 series Serial Interface Unit console" 937 depends on SERIAL_VR41XX=y 938 select SERIAL_CORE_CONSOLE 939 help 940 If you have a NEC VR4100 series processor and you want to use 941 a console on a serial port, say Y. Otherwise, say N. 942 943 config SERIAL_JSM 944 tristate "Digi International NEO and Classic PCI Support" 945 depends on PCI 946 select SERIAL_CORE 947 help 948 This is a driver for Digi International's Neo and Classic series 949 of cards which provide multiple serial ports. You would need 950 something like this to connect more than two modems to your Linux 951 box, for instance in order to become a dial-in server. This driver 952 supports PCI boards only. 953 954 If you have a card like this, say Y here, otherwise say N. 955 956 To compile this driver as a module, choose M here: the 957 module will be called jsm. 958 959 config SERIAL_MSM 960 tristate "MSM on-chip serial port support" 961 depends on ARCH_QCOM 962 select SERIAL_CORE 963 964 config SERIAL_MSM_CONSOLE 965 bool "MSM serial console support" 966 depends on SERIAL_MSM=y 967 select SERIAL_CORE_CONSOLE 968 select SERIAL_EARLYCON 969 970 config SERIAL_QCOM_GENI 971 tristate "QCOM on-chip GENI based serial port support" 972 depends on ARCH_QCOM || COMPILE_TEST 973 depends on QCOM_GENI_SE 974 select SERIAL_CORE 975 976 config SERIAL_QCOM_GENI_CONSOLE 977 bool "QCOM GENI Serial Console support" 978 depends on SERIAL_QCOM_GENI 979 select SERIAL_CORE_CONSOLE 980 select SERIAL_EARLYCON 981 help 982 Serial console driver for Qualcomm Technologies Inc's GENI based 983 QUP hardware. 984 985 config SERIAL_VT8500 986 bool "VIA VT8500 on-chip serial port support" 987 depends on ARCH_VT8500 988 select SERIAL_CORE 989 990 config SERIAL_VT8500_CONSOLE 991 bool "VIA VT8500 serial console support" 992 depends on SERIAL_VT8500=y 993 select SERIAL_CORE_CONSOLE 994 995 config SERIAL_OMAP 996 tristate "OMAP serial port support" 997 depends on ARCH_OMAP2PLUS 998 select SERIAL_CORE 999 help 1000 If you have a machine based on an Texas Instruments OMAP CPU you 1001 can enable its onboard serial ports by enabling this option. 1002 1003 By enabling this option you take advantage of dma feature available 1004 with the omap-serial driver. DMA support can be enabled from platform 1005 data. 1006 1007 config SERIAL_OMAP_CONSOLE 1008 bool "Console on OMAP serial port" 1009 depends on SERIAL_OMAP=y 1010 select SERIAL_CORE_CONSOLE 1011 help 1012 Select this option if you would like to use omap serial port as 1013 console. 1014 1015 Even if you say Y here, the currently visible virtual console 1016 (/dev/tty0) will still be used as the system console by default, but 1017 you can alter that using a kernel command line option such as 1018 "console=ttyOx". (Try "man bootparam" or see the documentation of 1019 your boot loader about how to pass options to the kernel at 1020 boot time.) 1021 1022 config SERIAL_SIFIVE 1023 tristate "SiFive UART support" 1024 depends on OF 1025 select SERIAL_CORE 1026 help 1027 Select this option if you are building a kernel for a device that 1028 contains a SiFive UART IP block. This type of UART is present on 1029 SiFive FU540 SoCs, among others. 1030 1031 config SERIAL_SIFIVE_CONSOLE 1032 bool "Console on SiFive UART" 1033 depends on SERIAL_SIFIVE=y 1034 select SERIAL_CORE_CONSOLE 1035 select SERIAL_EARLYCON 1036 help 1037 Select this option if you would like to use a SiFive UART as the 1038 system console. 1039 1040 Even if you say Y here, the currently visible virtual console 1041 (/dev/tty0) will still be used as the system console by default, but 1042 you can alter that using a kernel command line option such as 1043 "console=ttySIFx". (Try "man bootparam" or see the documentation of 1044 your boot loader about how to pass options to the kernel at 1045 boot time.) 1046 1047 config SERIAL_LANTIQ 1048 tristate "Lantiq serial driver" 1049 depends on (LANTIQ || X86) || COMPILE_TEST 1050 select SERIAL_CORE 1051 help 1052 Support for UART on Lantiq and Intel SoCs. 1053 To compile this driver as a module, select M here. The 1054 module will be called lantiq. 1055 1056 config SERIAL_LANTIQ_CONSOLE 1057 bool "Console on Lantiq UART" 1058 depends on SERIAL_LANTIQ=y 1059 select SERIAL_CORE_CONSOLE 1060 select SERIAL_EARLYCON 1061 help 1062 Select this option if you would like to use a Lantiq UART as the 1063 system console. 1064 1065 config SERIAL_QE 1066 tristate "Freescale QUICC Engine serial port support" 1067 depends on QUICC_ENGINE 1068 select SERIAL_CORE 1069 select FW_LOADER 1070 help 1071 This driver supports the QE serial ports on Freescale embedded 1072 PowerPC that contain a QUICC Engine. 1073 1074 config SERIAL_SCCNXP 1075 tristate "SCCNXP serial port support" 1076 select SERIAL_CORE 1077 help 1078 This selects support for an advanced UART from NXP (Philips). 1079 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, 1080 SC28L202, SCC68681 and SCC68692. 1081 1082 config SERIAL_SCCNXP_CONSOLE 1083 bool "Console on SCCNXP serial port" 1084 depends on SERIAL_SCCNXP=y 1085 select SERIAL_CORE_CONSOLE 1086 help 1087 Support for console on SCCNXP serial ports. 1088 1089 config SERIAL_SC16IS7XX_CORE 1090 tristate 1091 1092 config SERIAL_SC16IS7XX 1093 tristate "SC16IS7xx serial support" 1094 select SERIAL_CORE 1095 depends on (SPI_MASTER && !I2C) || I2C 1096 help 1097 This selects support for SC16IS7xx serial ports. 1098 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, 1099 SC16IS760 and SC16IS762. Select supported buses using options below. 1100 1101 config SERIAL_SC16IS7XX_I2C 1102 bool "SC16IS7xx for I2C interface" 1103 depends on SERIAL_SC16IS7XX 1104 depends on I2C 1105 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1106 select REGMAP_I2C if I2C 1107 default y 1108 help 1109 Enable SC16IS7xx driver on I2C bus, 1110 If required say y, and say n to i2c if not required, 1111 Enabled by default to support oldconfig. 1112 You must select at least one bus for the driver to be built. 1113 1114 config SERIAL_SC16IS7XX_SPI 1115 bool "SC16IS7xx for spi interface" 1116 depends on SERIAL_SC16IS7XX 1117 depends on SPI_MASTER 1118 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1119 select REGMAP_SPI if SPI_MASTER 1120 help 1121 Enable SC16IS7xx driver on SPI bus, 1122 If required say y, and say n to spi if not required, 1123 This is additional support to existing driver. 1124 You must select at least one bus for the driver to be built. 1125 1126 config SERIAL_TIMBERDALE 1127 tristate "Support for timberdale UART" 1128 select SERIAL_CORE 1129 depends on X86_32 || COMPILE_TEST 1130 help 1131 Add support for UART controller on timberdale. 1132 1133 config SERIAL_BCM63XX 1134 tristate "Broadcom BCM63xx/BCM33xx UART support" 1135 select SERIAL_CORE 1136 depends on MIPS || ARM || COMPILE_TEST 1137 help 1138 This enables the driver for the onchip UART core found on 1139 the following chipsets: 1140 1141 BCM33xx (cable modem) 1142 BCM63xx/BCM63xxx (DSL) 1143 BCM68xx (PON) 1144 BCM7xxx (STB) - DOCSIS console 1145 1146 config SERIAL_BCM63XX_CONSOLE 1147 bool "Console on BCM63xx serial port" 1148 depends on SERIAL_BCM63XX=y 1149 select SERIAL_CORE_CONSOLE 1150 select SERIAL_EARLYCON 1151 help 1152 If you have enabled the serial port on the BCM63xx CPU 1153 you can make it the console by answering Y to this option. 1154 1155 config SERIAL_GRLIB_GAISLER_APBUART 1156 tristate "GRLIB APBUART serial support" 1157 depends on OF && SPARC 1158 select SERIAL_CORE 1159 help 1160 Add support for the GRLIB APBUART serial port. 1161 1162 config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE 1163 bool "Console on GRLIB APBUART serial port" 1164 depends on SERIAL_GRLIB_GAISLER_APBUART=y 1165 select SERIAL_CORE_CONSOLE 1166 help 1167 Support for running a console on the GRLIB APBUART 1168 1169 config SERIAL_ALTERA_JTAGUART 1170 tristate "Altera JTAG UART support" 1171 select SERIAL_CORE 1172 help 1173 This driver supports the Altera JTAG UART port. 1174 1175 config SERIAL_ALTERA_JTAGUART_CONSOLE 1176 bool "Altera JTAG UART console support" 1177 depends on SERIAL_ALTERA_JTAGUART=y 1178 select SERIAL_CORE_CONSOLE 1179 select SERIAL_EARLYCON 1180 help 1181 Enable a Altera JTAG UART port to be the system console. 1182 1183 config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS 1184 bool "Bypass output when no connection" 1185 depends on SERIAL_ALTERA_JTAGUART_CONSOLE 1186 select SERIAL_CORE_CONSOLE 1187 help 1188 Bypass console output and keep going even if there is no 1189 JTAG terminal connection with the host. 1190 1191 config SERIAL_ALTERA_UART 1192 tristate "Altera UART support" 1193 select SERIAL_CORE 1194 help 1195 This driver supports the Altera softcore UART port. 1196 1197 config SERIAL_ALTERA_UART_MAXPORTS 1198 int "Maximum number of Altera UART ports" 1199 depends on SERIAL_ALTERA_UART 1200 default 4 1201 help 1202 This setting lets you define the maximum number of the Altera 1203 UART ports. The usual default varies from board to board, and 1204 this setting is a way of catering for that. 1205 1206 config SERIAL_ALTERA_UART_BAUDRATE 1207 int "Default baudrate for Altera UART ports" 1208 depends on SERIAL_ALTERA_UART 1209 default 115200 1210 help 1211 This setting lets you define what the default baudrate is for the 1212 Altera UART ports. The usual default varies from board to board, 1213 and this setting is a way of catering for that. 1214 1215 config SERIAL_ALTERA_UART_CONSOLE 1216 bool "Altera UART console support" 1217 depends on SERIAL_ALTERA_UART=y 1218 select SERIAL_CORE_CONSOLE 1219 select SERIAL_EARLYCON 1220 help 1221 Enable a Altera UART port to be the system console. 1222 1223 config SERIAL_IFX6X60 1224 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" 1225 depends on GPIOLIB || COMPILE_TEST 1226 depends on SPI && HAS_DMA 1227 help 1228 Support for the IFX6x60 modem devices on Intel MID platforms. 1229 1230 config SERIAL_PCH_UART 1231 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" 1232 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 1233 select SERIAL_CORE 1234 help 1235 This driver is for PCH(Platform controller Hub) UART of Intel EG20T 1236 which is an IOH(Input/Output Hub) for x86 embedded processor. 1237 Enabling PCH_DMA, this PCH UART works as DMA mode. 1238 1239 This driver also can be used for LAPIS Semiconductor IOH(Input/ 1240 Output Hub), ML7213, ML7223 and ML7831. 1241 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 1242 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 1243 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1244 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1245 1246 config SERIAL_PCH_UART_CONSOLE 1247 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH" 1248 depends on SERIAL_PCH_UART=y 1249 select SERIAL_CORE_CONSOLE 1250 help 1251 Say Y here if you wish to use the PCH UART as the system console 1252 (the system console is the device which receives all kernel messages and 1253 warnings and which allows logins in single user mode). 1254 1255 config SERIAL_MXS_AUART 1256 tristate "MXS AUART support" 1257 depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST 1258 select SERIAL_CORE 1259 select SERIAL_MCTRL_GPIO if GPIOLIB 1260 help 1261 This driver supports the MXS and Alphascale ASM9260 Application 1262 UART (AUART) port. 1263 1264 config SERIAL_MXS_AUART_CONSOLE 1265 bool "MXS AUART console support" 1266 depends on SERIAL_MXS_AUART=y 1267 select SERIAL_CORE_CONSOLE 1268 help 1269 Enable a MXS AUART port to be the system console. 1270 1271 config SERIAL_XILINX_PS_UART 1272 tristate "Cadence (Xilinx Zynq) UART support" 1273 depends on OF 1274 select SERIAL_CORE 1275 help 1276 This driver supports the Cadence UART. It is found e.g. in Xilinx 1277 Zynq. 1278 1279 config SERIAL_XILINX_PS_UART_CONSOLE 1280 bool "Cadence UART console support" 1281 depends on SERIAL_XILINX_PS_UART=y 1282 select SERIAL_CORE_CONSOLE 1283 select SERIAL_EARLYCON 1284 help 1285 Enable a Cadence UART port to be the system console. 1286 1287 config SERIAL_AR933X 1288 tristate "AR933X serial port support" 1289 depends on HAVE_CLK && ATH79 1290 select SERIAL_CORE 1291 select SERIAL_MCTRL_GPIO if GPIOLIB 1292 help 1293 If you have an Atheros AR933X SOC based board and want to use the 1294 built-in UART of the SoC, say Y to this option. 1295 1296 To compile this driver as a module, choose M here: the 1297 module will be called ar933x_uart. 1298 1299 config SERIAL_AR933X_CONSOLE 1300 bool "Console on AR933X serial port" 1301 depends on SERIAL_AR933X=y 1302 select SERIAL_CORE_CONSOLE 1303 help 1304 Enable a built-in UART port of the AR933X to be the system console. 1305 1306 config SERIAL_AR933X_NR_UARTS 1307 int "Maximum number of AR933X serial ports" 1308 depends on SERIAL_AR933X 1309 default "2" 1310 help 1311 Set this to the number of serial ports you want the driver 1312 to support. 1313 1314 config SERIAL_EFM32_UART 1315 tristate "EFM32 UART/USART port" 1316 depends on ARM && (ARCH_EFM32 || COMPILE_TEST) 1317 select SERIAL_CORE 1318 help 1319 This driver support the USART and UART ports on 1320 Energy Micro's efm32 SoCs. 1321 1322 config SERIAL_MPS2_UART_CONSOLE 1323 bool "MPS2 UART console support" 1324 depends on SERIAL_MPS2_UART 1325 select SERIAL_CORE_CONSOLE 1326 select SERIAL_EARLYCON 1327 1328 config SERIAL_MPS2_UART 1329 bool "MPS2 UART port" 1330 depends on ARCH_MPS2 || COMPILE_TEST 1331 select SERIAL_CORE 1332 help 1333 This driver support the UART ports on ARM MPS2. 1334 1335 config SERIAL_EFM32_UART_CONSOLE 1336 bool "EFM32 UART/USART console support" 1337 depends on SERIAL_EFM32_UART=y 1338 select SERIAL_CORE_CONSOLE 1339 1340 config SERIAL_ARC 1341 tristate "ARC UART driver support" 1342 select SERIAL_CORE 1343 help 1344 Driver for on-chip UART for ARC(Synopsys) for the legacy 1345 FPGA Boards (ML50x/ARCAngel4) 1346 1347 config SERIAL_ARC_CONSOLE 1348 bool "Console on ARC UART" 1349 depends on SERIAL_ARC=y 1350 select SERIAL_CORE_CONSOLE 1351 select SERIAL_EARLYCON 1352 help 1353 Enable system Console on ARC UART 1354 1355 config SERIAL_ARC_NR_PORTS 1356 int "Number of ARC UART ports" 1357 depends on SERIAL_ARC 1358 range 1 3 1359 default "1" 1360 help 1361 Set this to the number of serial ports you want the driver 1362 to support. 1363 1364 config SERIAL_RP2 1365 tristate "Comtrol RocketPort EXPRESS/INFINITY support" 1366 depends on PCI 1367 select SERIAL_CORE 1368 help 1369 This driver supports the Comtrol RocketPort EXPRESS and 1370 RocketPort INFINITY families of PCI/PCIe multiport serial adapters. 1371 These adapters use a "RocketPort 2" ASIC that is not compatible 1372 with the original RocketPort driver (CONFIG_ROCKETPORT). 1373 1374 To compile this driver as a module, choose M here: the 1375 module will be called rp2. 1376 1377 If you want to compile this driver into the kernel, say Y here. If 1378 you don't have a suitable RocketPort card installed, say N. 1379 1380 config SERIAL_RP2_NR_UARTS 1381 int "Maximum number of RocketPort EXPRESS/INFINITY ports" 1382 depends on SERIAL_RP2 1383 default "32" 1384 help 1385 If multiple cards are present, the default limit of 32 ports may 1386 need to be increased. 1387 1388 config SERIAL_FSL_LPUART 1389 tristate "Freescale lpuart serial port support" 1390 depends on HAS_DMA 1391 select SERIAL_CORE 1392 help 1393 Support for the on-chip lpuart on some Freescale SOCs. 1394 1395 config SERIAL_FSL_LPUART_CONSOLE 1396 bool "Console on Freescale lpuart serial port" 1397 depends on SERIAL_FSL_LPUART=y 1398 select SERIAL_CORE_CONSOLE 1399 select SERIAL_EARLYCON 1400 help 1401 If you have enabled the lpuart serial port on the Freescale SoCs, 1402 you can make it the console by answering Y to this option. 1403 1404 config SERIAL_FSL_LINFLEXUART 1405 tristate "Freescale LINFlexD UART serial port support" 1406 depends on PRINTK 1407 select SERIAL_CORE 1408 help 1409 Support for the on-chip LINFlexD UART on some Freescale SOCs. 1410 1411 config SERIAL_FSL_LINFLEXUART_CONSOLE 1412 bool "Console on Freescale LINFlexD UART serial port" 1413 depends on SERIAL_FSL_LINFLEXUART=y 1414 select SERIAL_CORE_CONSOLE 1415 select SERIAL_EARLYCON 1416 help 1417 If you have enabled the LINFlexD UART serial port on the Freescale 1418 SoCs, you can make it the console by answering Y to this option. 1419 1420 config SERIAL_CONEXANT_DIGICOLOR 1421 tristate "Conexant Digicolor CX92xxx USART serial port support" 1422 depends on OF 1423 select SERIAL_CORE 1424 help 1425 Support for the on-chip USART on Conexant Digicolor SoCs. 1426 1427 config SERIAL_CONEXANT_DIGICOLOR_CONSOLE 1428 bool "Console on Conexant Digicolor serial port" 1429 depends on SERIAL_CONEXANT_DIGICOLOR=y 1430 select SERIAL_CORE_CONSOLE 1431 help 1432 If you have enabled the USART serial port on Conexant Digicolor 1433 SoCs, you can make it the console by answering Y to this option. 1434 1435 config SERIAL_ST_ASC 1436 tristate "ST ASC serial port support" 1437 select SERIAL_CORE 1438 depends on ARM || COMPILE_TEST 1439 help 1440 This driver is for the on-chip Asychronous Serial Controller on 1441 STMicroelectronics STi SoCs. 1442 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality. 1443 It support all industry standard baud rates. 1444 1445 If unsure, say N. 1446 1447 config SERIAL_ST_ASC_CONSOLE 1448 bool "Support for console on ST ASC" 1449 depends on SERIAL_ST_ASC=y 1450 select SERIAL_CORE_CONSOLE 1451 1452 config SERIAL_MEN_Z135 1453 tristate "MEN 16z135 Support" 1454 select SERIAL_CORE 1455 depends on MCB 1456 help 1457 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core 1458 on a MCB carrier. 1459 1460 This driver can also be build as a module. If so, the module will be called 1461 men_z135_uart.ko 1462 1463 config SERIAL_SPRD 1464 tristate "Support for Spreadtrum serial" 1465 select SERIAL_CORE 1466 depends on COMMON_CLK 1467 help 1468 This enables the driver for the Spreadtrum's serial. 1469 1470 config SERIAL_SPRD_CONSOLE 1471 bool "Spreadtrum UART console support" 1472 depends on SERIAL_SPRD=y 1473 select SERIAL_CORE_CONSOLE 1474 select SERIAL_EARLYCON 1475 help 1476 Support for early debug console using Spreadtrum's serial. This enables 1477 the console before standard serial driver is probed. This is enabled 1478 with "earlycon" on the kernel command line. The console is 1479 enabled when early_param is processed. 1480 1481 config SERIAL_STM32 1482 tristate "STMicroelectronics STM32 serial port support" 1483 select SERIAL_CORE 1484 depends on ARCH_STM32 || COMPILE_TEST 1485 select SERIAL_MCTRL_GPIO if GPIOLIB 1486 help 1487 This driver is for the on-chip Serial Controller on 1488 STMicroelectronics STM32 MCUs. 1489 USART supports Rx & Tx functionality. 1490 It support all industry standard baud rates. 1491 1492 If unsure, say N. 1493 1494 config SERIAL_STM32_CONSOLE 1495 bool "Support for console on STM32" 1496 depends on SERIAL_STM32=y 1497 select SERIAL_CORE_CONSOLE 1498 1499 config SERIAL_MVEBU_UART 1500 bool "Marvell EBU serial port support" 1501 depends on ARCH_MVEBU || COMPILE_TEST 1502 select SERIAL_CORE 1503 help 1504 This driver is for Marvell EBU SoC's UART. If you have a machine 1505 based on the Armada-3700 SoC and wish to use the on-board serial 1506 port, 1507 say 'Y' here. 1508 Otherwise, say 'N'. 1509 1510 config SERIAL_MVEBU_CONSOLE 1511 bool "Console on Marvell EBU serial port" 1512 depends on SERIAL_MVEBU_UART 1513 select SERIAL_CORE_CONSOLE 1514 select SERIAL_EARLYCON 1515 default y 1516 help 1517 Say 'Y' here if you wish to use Armada-3700 UART as the system console. 1518 (the system console is the device which receives all kernel messages 1519 and warnings and which allows logins in single user mode) 1520 Otherwise, say 'N'. 1521 1522 config SERIAL_OWL 1523 tristate "Actions Semi Owl serial port support" 1524 depends on ARCH_ACTIONS || COMPILE_TEST 1525 select SERIAL_CORE 1526 help 1527 This driver is for Actions Semiconductor S500/S900 SoC's UART. 1528 Say 'Y' here if you wish to use the on-board serial port. 1529 Otherwise, say 'N'. 1530 1531 config SERIAL_OWL_CONSOLE 1532 bool "Console on Actions Semi Owl serial port" 1533 depends on SERIAL_OWL=y 1534 select SERIAL_CORE_CONSOLE 1535 select SERIAL_EARLYCON 1536 default y 1537 help 1538 Say 'Y' here if you wish to use Actions Semiconductor S500/S900 UART 1539 as the system console. 1540 1541 config SERIAL_RDA 1542 bool "RDA Micro serial port support" 1543 depends on ARCH_RDA || COMPILE_TEST 1544 select SERIAL_CORE 1545 help 1546 This driver is for RDA8810PL SoC's UART. 1547 Say 'Y' here if you wish to use the on-board serial port. 1548 Otherwise, say 'N'. 1549 1550 config SERIAL_RDA_CONSOLE 1551 bool "Console on RDA Micro serial port" 1552 depends on SERIAL_RDA=y 1553 select SERIAL_CORE_CONSOLE 1554 select SERIAL_EARLYCON 1555 default y 1556 help 1557 Say 'Y' here if you wish to use the RDA8810PL UART as the system 1558 console. Only earlycon is implemented currently. 1559 1560 config SERIAL_MILBEAUT_USIO 1561 tristate "Milbeaut USIO/UART serial port support" 1562 depends on ARCH_MILBEAUT || (COMPILE_TEST && OF) 1563 default ARCH_MILBEAUT 1564 select SERIAL_CORE 1565 help 1566 This selects the USIO/UART IP found in Socionext Milbeaut SoCs. 1567 1568 config SERIAL_MILBEAUT_USIO_PORTS 1569 int "Maximum number of CSIO/UART ports (1-8)" 1570 range 1 8 1571 depends on SERIAL_MILBEAUT_USIO 1572 default "4" 1573 1574 config SERIAL_MILBEAUT_USIO_CONSOLE 1575 bool "Support for console on MILBEAUT USIO/UART serial port" 1576 depends on SERIAL_MILBEAUT_USIO=y 1577 default y 1578 select SERIAL_CORE_CONSOLE 1579 select SERIAL_EARLYCON 1580 help 1581 Say 'Y' here if you wish to use a USIO/UART of Socionext Milbeaut 1582 SoCs as the system console (the system console is the device which 1583 receives all kernel messages and warnings and which allows logins in 1584 single user mode). 1585 1586 endmenu 1587 1588 config SERIAL_MCTRL_GPIO 1589 tristate 1590
