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