1 # SPDX-License-Identifier: GPL-2.0-only 2 # 3 # SPI driver configuration 4 # 5 menuconfig SPI 6 bool "SPI support" 7 depends on HAS_IOMEM 8 help 9 The "Serial Peripheral Interface" is a low level synchronous 10 protocol. Chips that support SPI can have data transfer rates 11 up to several tens of Mbit/sec. Chips are addressed with a 12 controller and a chipselect. Most SPI slaves don't support 13 dynamic device discovery; some are even write-only or read-only. 14 15 SPI is widely used by microcontrollers to talk with sensors, 16 eeprom and flash memory, codecs and various other controller 17 chips, analog to digital (and d-to-a) converters, and more. 18 MMC and SD cards can be accessed using SPI protocol; and for 19 DataFlash cards used in MMC sockets, SPI must always be used. 20 21 SPI is one of a family of similar protocols using a four wire 22 interface (select, clock, data in, data out) including Microwire 23 (half duplex), SSP, SSI, and PSP. This driver framework should 24 work with most such devices and controllers. 25 26 if SPI 27 28 config SPI_DEBUG 29 bool "Debug support for SPI drivers" 30 depends on DEBUG_KERNEL 31 help 32 Say "yes" to enable debug messaging (like dev_dbg and pr_debug), 33 sysfs, and debugfs support in SPI controller and protocol drivers. 34 35 # 36 # MASTER side ... talking to discrete SPI slave chips including microcontrollers 37 # 38 39 config SPI_MASTER 40 # bool "SPI Master Support" 41 bool 42 default SPI 43 help 44 If your system has an master-capable SPI controller (which 45 provides the clock and chipselect), you can enable that 46 controller and the protocol drivers for the SPI slave chips 47 that are connected. 48 49 if SPI_MASTER 50 51 config SPI_MEM 52 bool "SPI memory extension" 53 help 54 Enable this option if you want to enable the SPI memory extension. 55 This extension is meant to simplify interaction with SPI memories 56 by providing a high-level interface to send memory-like commands. 57 58 comment "SPI Master Controller Drivers" 59 60 config SPI_ALTERA 61 tristate "Altera SPI Controller" 62 select REGMAP_MMIO 63 help 64 This is the driver for the Altera SPI Controller. 65 66 config SPI_AR934X 67 tristate "Qualcomm Atheros AR934X/QCA95XX SPI controller driver" 68 depends on ATH79 || COMPILE_TEST 69 help 70 This enables support for the SPI controller present on the 71 Qualcomm Atheros AR934X/QCA95XX SoCs. 72 73 config SPI_ATH79 74 tristate "Atheros AR71XX/AR724X/AR913X SPI controller driver" 75 depends on ATH79 || COMPILE_TEST 76 select SPI_BITBANG 77 help 78 This enables support for the SPI controller present on the 79 Atheros AR71XX/AR724X/AR913X SoCs. 80 81 config SPI_ARMADA_3700 82 tristate "Marvell Armada 3700 SPI Controller" 83 depends on (ARCH_MVEBU && OF) || COMPILE_TEST 84 help 85 This enables support for the SPI controller present on the 86 Marvell Armada 3700 SoCs. 87 88 config SPI_ATMEL 89 tristate "Atmel SPI Controller" 90 depends on ARCH_AT91 || COMPILE_TEST 91 depends on OF 92 help 93 This selects a driver for the Atmel SPI Controller, present on 94 many AT91 ARM chips. 95 96 config SPI_AT91_USART 97 tristate "Atmel USART Controller SPI driver" 98 depends on (ARCH_AT91 || COMPILE_TEST) 99 depends on MFD_AT91_USART 100 help 101 This selects a driver for the AT91 USART Controller as SPI Master, 102 present on AT91 and SAMA5 SoC series. 103 104 config SPI_ATMEL_QUADSPI 105 tristate "Atmel Quad SPI Controller" 106 depends on ARCH_AT91 || COMPILE_TEST 107 depends on OF && HAS_IOMEM 108 help 109 This enables support for the Quad SPI controller in master mode. 110 This driver does not support generic SPI. The implementation only 111 supports spi-mem interface. 112 113 config SPI_AU1550 114 tristate "Au1550/Au1200/Au1300 SPI Controller" 115 depends on MIPS_ALCHEMY 116 select SPI_BITBANG 117 help 118 If you say yes to this option, support will be included for the 119 PSC SPI controller found on Au1550, Au1200 and Au1300 series. 120 121 config SPI_AXI_SPI_ENGINE 122 tristate "Analog Devices AXI SPI Engine controller" 123 depends on HAS_IOMEM 124 help 125 This enables support for the Analog Devices AXI SPI Engine SPI controller. 126 It is part of the SPI Engine framework that is used in some Analog Devices 127 reference designs for FPGAs. 128 129 config SPI_BCM2835 130 tristate "BCM2835 SPI controller" 131 depends on GPIOLIB 132 depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST 133 help 134 This selects a driver for the Broadcom BCM2835 SPI master. 135 136 The BCM2835 contains two types of SPI master controller; the 137 "universal SPI master", and the regular SPI controller. This driver 138 is for the regular SPI controller. Slave mode operation is not also 139 not supported. 140 141 config SPI_BCM2835AUX 142 tristate "BCM2835 SPI auxiliary controller" 143 depends on ((ARCH_BCM2835 || ARCH_BRCMSTB) && GPIOLIB) || COMPILE_TEST 144 help 145 This selects a driver for the Broadcom BCM2835 SPI aux master. 146 147 The BCM2835 contains two types of SPI master controller; the 148 "universal SPI master", and the regular SPI controller. 149 This driver is for the universal/auxiliary SPI controller. 150 151 config SPI_BCM63XX 152 tristate "Broadcom BCM63xx SPI controller" 153 depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST 154 help 155 Enable support for the SPI controller on the Broadcom BCM63xx SoCs. 156 157 config SPI_BCM63XX_HSSPI 158 tristate "Broadcom BCM63XX HS SPI controller driver" 159 depends on BCM63XX || BMIPS_GENERIC || ARCH_BCM_63XX || COMPILE_TEST 160 help 161 This enables support for the High Speed SPI controller present on 162 newer Broadcom BCM63XX SoCs. 163 164 config SPI_BCM_QSPI 165 tristate "Broadcom BSPI and MSPI controller support" 166 depends on ARCH_BRCMSTB || ARCH_BCM || ARCH_BCM_IPROC || \ 167 BMIPS_GENERIC || COMPILE_TEST 168 default ARCH_BCM_IPROC 169 help 170 Enables support for the Broadcom SPI flash and MSPI controller. 171 Select this option for any one of BRCMSTB, iProc NSP and NS2 SoCs 172 based platforms. This driver works for both SPI master for SPI NOR 173 flash device as well as MSPI device. 174 175 config SPI_BITBANG 176 tristate "Utilities for Bitbanging SPI masters" 177 help 178 With a few GPIO pins, your system can bitbang the SPI protocol. 179 Select this to get SPI support through I/O pins (GPIO, parallel 180 port, etc). Or, some systems' SPI master controller drivers use 181 this code to manage the per-word or per-transfer accesses to the 182 hardware shift registers. 183 184 This is library code, and is automatically selected by drivers that 185 need it. You only need to select this explicitly to support driver 186 modules that aren't part of this kernel tree. 187 188 config SPI_BUTTERFLY 189 tristate "Parallel port adapter for AVR Butterfly (DEVELOPMENT)" 190 depends on PARPORT 191 select SPI_BITBANG 192 help 193 This uses a custom parallel port cable to connect to an AVR 194 Butterfly <http://www.atmel.com/products/avr/butterfly>, an 195 inexpensive battery powered microcontroller evaluation board. 196 This same cable can be used to flash new firmware. 197 198 config SPI_CADENCE 199 tristate "Cadence SPI controller" 200 help 201 This selects the Cadence SPI controller master driver 202 used by Xilinx Zynq and ZynqMP. 203 204 config SPI_CADENCE_QUADSPI 205 tristate "Cadence Quad SPI controller" 206 depends on OF && (ARM || ARM64 || COMPILE_TEST) 207 help 208 Enable support for the Cadence Quad SPI Flash controller. 209 210 Cadence QSPI is a specialized controller for connecting an SPI 211 Flash over 1/2/4-bit wide bus. Enable this option if you have a 212 device with a Cadence QSPI controller and want to access the 213 Flash as an MTD device. 214 215 config SPI_CLPS711X 216 tristate "CLPS711X host SPI controller" 217 depends on ARCH_CLPS711X || COMPILE_TEST 218 help 219 This enables dedicated general purpose SPI/Microwire1-compatible 220 master mode interface (SSI1) for CLPS711X-based CPUs. 221 222 config SPI_COLDFIRE_QSPI 223 tristate "Freescale Coldfire QSPI controller" 224 depends on (M520x || M523x || M5249 || M525x || M527x || M528x || M532x) 225 help 226 This enables support for the Coldfire QSPI controller in master 227 mode. 228 229 config SPI_DAVINCI 230 tristate "Texas Instruments DaVinci/DA8x/OMAP-L/AM1x SoC SPI controller" 231 depends on ARCH_DAVINCI || ARCH_KEYSTONE 232 select SPI_BITBANG 233 help 234 SPI master controller for DaVinci/DA8x/OMAP-L/AM1x SPI modules. 235 236 config SPI_DESIGNWARE 237 tristate "DesignWare SPI controller core support" 238 imply SPI_MEM 239 help 240 general driver for SPI controller core from DesignWare 241 242 if SPI_DESIGNWARE 243 244 config SPI_DW_DMA 245 bool "DMA support for DW SPI controller" 246 247 config SPI_DW_PCI 248 tristate "PCI interface driver for DW SPI core" 249 depends on PCI 250 251 config SPI_DW_MMIO 252 tristate "Memory-mapped io interface driver for DW SPI core" 253 depends on HAS_IOMEM 254 255 config SPI_DW_BT1 256 tristate "Baikal-T1 SPI driver for DW SPI core" 257 depends on MIPS_BAIKAL_T1 || COMPILE_TEST 258 select MULTIPLEXER 259 select MUX_MMIO 260 help 261 Baikal-T1 SoC is equipped with three DW APB SSI-based MMIO SPI 262 controllers. Two of them are pretty much normal: with IRQ, DMA, 263 FIFOs of 64 words depth, 4x CSs, but the third one as being a 264 part of the Baikal-T1 System Boot Controller has got a very 265 limited resources: no IRQ, no DMA, only a single native 266 chip-select and Tx/Rx FIFO with just 8 words depth available. 267 The later one is normally connected to an external SPI-nor flash 268 of 128Mb (in general can be of bigger size). 269 270 config SPI_DW_BT1_DIRMAP 271 bool "Directly mapped Baikal-T1 Boot SPI flash support" 272 depends on SPI_DW_BT1 273 help 274 Directly mapped SPI flash memory is an interface specific to the 275 Baikal-T1 System Boot Controller. It is a 16MB MMIO region, which 276 can be used to access a peripheral memory device just by 277 reading/writing data from/to it. Note that the system APB bus 278 will stall during each IO from/to the dirmap region until the 279 operation is finished. So try not to use it concurrently with 280 time-critical tasks (like the SPI memory operations implemented 281 in this driver). 282 283 endif 284 285 config SPI_DLN2 286 tristate "Diolan DLN-2 USB SPI adapter" 287 depends on MFD_DLN2 288 help 289 If you say yes to this option, support will be included for Diolan 290 DLN2, a USB to SPI interface. 291 292 This driver can also be built as a module. If so, the module 293 will be called spi-dln2. 294 295 config SPI_EFM32 296 tristate "EFM32 SPI controller" 297 depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 298 select SPI_BITBANG 299 help 300 Driver for the spi controller found on Energy Micro's EFM32 SoCs. 301 302 config SPI_EP93XX 303 tristate "Cirrus Logic EP93xx SPI controller" 304 depends on ARCH_EP93XX || COMPILE_TEST 305 help 306 This enables using the Cirrus EP93xx SPI controller in master 307 mode. 308 309 config SPI_FALCON 310 bool "Falcon SPI controller support" 311 depends on SOC_FALCON 312 help 313 The external bus unit (EBU) found on the FALC-ON SoC has SPI 314 emulation that is designed for serial flash access. This driver 315 has only been tested with m25p80 type chips. The hardware has no 316 support for other types of SPI peripherals. 317 318 config SPI_FSI 319 tristate "FSI SPI driver" 320 depends on FSI 321 help 322 This enables support for the driver for FSI bus attached SPI 323 controllers. 324 325 config SPI_FSL_LPSPI 326 tristate "Freescale i.MX LPSPI controller" 327 depends on ARCH_MXC || COMPILE_TEST 328 help 329 This enables Freescale i.MX LPSPI controllers in master mode. 330 331 config SPI_FSL_QUADSPI 332 tristate "Freescale QSPI controller" 333 depends on ARCH_MXC || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST 334 depends on HAS_IOMEM 335 help 336 This enables support for the Quad SPI controller in master mode. 337 Up to four flash chips can be connected on two buses with two 338 chipselects each. 339 This controller does not support generic SPI messages. It only 340 supports the high-level SPI memory interface. 341 342 config SPI_HISI_SFC_V3XX 343 tristate "HiSilicon SPI NOR Flash Controller for Hi16XX chipsets" 344 depends on (ARM64 && ACPI) || COMPILE_TEST 345 depends on HAS_IOMEM 346 help 347 This enables support for HiSilicon v3xx SPI NOR flash controller 348 found in hi16xx chipsets. 349 350 config SPI_NXP_FLEXSPI 351 tristate "NXP Flex SPI controller" 352 depends on ARCH_LAYERSCAPE || HAS_IOMEM 353 help 354 This enables support for the Flex SPI controller in master mode. 355 Up to four slave devices can be connected on two buses with two 356 chipselects each. 357 This controller does not support generic SPI messages and only 358 supports the high-level SPI memory interface. 359 360 config SPI_GPIO 361 tristate "GPIO-based bitbanging SPI Master" 362 depends on GPIOLIB || COMPILE_TEST 363 select SPI_BITBANG 364 help 365 This simple GPIO bitbanging SPI master uses the arch-neutral GPIO 366 interface to manage MOSI, MISO, SCK, and chipselect signals. SPI 367 slaves connected to a bus using this driver are configured as usual, 368 except that the spi_board_info.controller_data holds the GPIO number 369 for the chipselect used by this controller driver. 370 371 Note that this driver often won't achieve even 1 Mbit/sec speeds, 372 making it unusually slow for SPI. If your platform can inline 373 GPIO operations, you should be able to leverage that for better 374 speed with a custom version of this driver; see the source code. 375 376 config SPI_IMG_SPFI 377 tristate "IMG SPFI controller" 378 depends on MIPS || COMPILE_TEST 379 help 380 This enables support for the SPFI master controller found on 381 IMG SoCs. 382 383 config SPI_IMX 384 tristate "Freescale i.MX SPI controllers" 385 depends on ARCH_MXC || COMPILE_TEST 386 select SPI_BITBANG 387 help 388 This enables support for the Freescale i.MX SPI controllers. 389 390 config SPI_JCORE 391 tristate "J-Core SPI Master" 392 depends on OF && (SUPERH || COMPILE_TEST) 393 help 394 This enables support for the SPI master controller in the J-Core 395 synthesizable, open source SoC. 396 397 config SPI_LM70_LLP 398 tristate "Parallel port adapter for LM70 eval board (DEVELOPMENT)" 399 depends on PARPORT 400 select SPI_BITBANG 401 help 402 This driver supports the NS LM70 LLP Evaluation Board, 403 which interfaces to an LM70 temperature sensor using 404 a parallel port. 405 406 config SPI_LP8841_RTC 407 tristate "ICP DAS LP-8841 SPI Controller for RTC" 408 depends on MACH_PXA27X_DT || COMPILE_TEST 409 help 410 This driver provides an SPI master device to drive Maxim 411 DS-1302 real time clock. 412 413 Say N here unless you plan to run the kernel on an ICP DAS 414 LP-8x4x industrial computer. 415 416 config SPI_MPC52xx 417 tristate "Freescale MPC52xx SPI (non-PSC) controller support" 418 depends on PPC_MPC52xx 419 help 420 This drivers supports the MPC52xx SPI controller in master SPI 421 mode. 422 423 config SPI_MPC52xx_PSC 424 tristate "Freescale MPC52xx PSC SPI controller" 425 depends on PPC_MPC52xx 426 help 427 This enables using the Freescale MPC52xx Programmable Serial 428 Controller in master SPI mode. 429 430 config SPI_MPC512x_PSC 431 tristate "Freescale MPC512x PSC SPI controller" 432 depends on PPC_MPC512x 433 help 434 This enables using the Freescale MPC5121 Programmable Serial 435 Controller in SPI master mode. 436 437 config SPI_FSL_LIB 438 tristate 439 depends on OF 440 441 config SPI_FSL_CPM 442 tristate 443 depends on FSL_SOC 444 445 config SPI_FSL_SPI 446 tristate "Freescale SPI controller and Aeroflex Gaisler GRLIB SPI controller" 447 depends on OF 448 select SPI_FSL_LIB 449 select SPI_FSL_CPM if FSL_SOC 450 help 451 This enables using the Freescale SPI controllers in master mode. 452 MPC83xx platform uses the controller in cpu mode or CPM/QE mode. 453 MPC8569 uses the controller in QE mode, MPC8610 in cpu mode. 454 This also enables using the Aeroflex Gaisler GRLIB SPI controller in 455 master mode. 456 457 config SPI_FSL_DSPI 458 tristate "Freescale DSPI controller" 459 select REGMAP_MMIO 460 depends on SOC_VF610 || SOC_LS1021A || ARCH_LAYERSCAPE || M5441x || COMPILE_TEST 461 help 462 This enables support for the Freescale DSPI controller in master 463 mode. VF610, LS1021A and ColdFire platforms uses the controller. 464 465 config SPI_FSL_ESPI 466 tristate "Freescale eSPI controller" 467 depends on FSL_SOC 468 help 469 This enables using the Freescale eSPI controllers in master mode. 470 From MPC8536, 85xx platform uses the controller, and all P10xx, 471 P20xx, P30xx,P40xx, P50xx uses this controller. 472 473 config SPI_MESON_SPICC 474 tristate "Amlogic Meson SPICC controller" 475 depends on COMMON_CLK 476 depends on ARCH_MESON || COMPILE_TEST 477 help 478 This enables master mode support for the SPICC (SPI communication 479 controller) available in Amlogic Meson SoCs. 480 481 config SPI_MESON_SPIFC 482 tristate "Amlogic Meson SPIFC controller" 483 depends on ARCH_MESON || COMPILE_TEST 484 select REGMAP_MMIO 485 help 486 This enables master mode support for the SPIFC (SPI flash 487 controller) available in Amlogic Meson SoCs. 488 489 config SPI_MT65XX 490 tristate "MediaTek SPI controller" 491 depends on ARCH_MEDIATEK || COMPILE_TEST 492 help 493 This selects the MediaTek(R) SPI bus driver. 494 If you want to use MediaTek(R) SPI interface, 495 say Y or M here.If you are not sure, say N. 496 SPI drivers for Mediatek MT65XX and MT81XX series ARM SoCs. 497 498 config SPI_MT7621 499 tristate "MediaTek MT7621 SPI Controller" 500 depends on RALINK || COMPILE_TEST 501 help 502 This selects a driver for the MediaTek MT7621 SPI Controller. 503 504 config SPI_MTK_NOR 505 tristate "MediaTek SPI NOR controller" 506 depends on ARCH_MEDIATEK || COMPILE_TEST 507 help 508 This enables support for SPI NOR controller found on MediaTek 509 ARM SoCs. This is a controller specifically for SPI NOR flash. 510 It can perform generic SPI transfers up to 6 bytes via generic 511 SPI interface as well as several SPI NOR specific instructions 512 via SPI MEM interface. 513 514 config SPI_NPCM_FIU 515 tristate "Nuvoton NPCM FLASH Interface Unit" 516 depends on ARCH_NPCM || COMPILE_TEST 517 depends on OF && HAS_IOMEM 518 help 519 This enables support for the Flash Interface Unit SPI controller 520 in master mode. 521 This driver does not support generic SPI. The implementation only 522 supports spi-mem interface. 523 524 config SPI_NPCM_PSPI 525 tristate "Nuvoton NPCM PSPI Controller" 526 depends on ARCH_NPCM || COMPILE_TEST 527 help 528 This driver provides support for Nuvoton NPCM BMC 529 Peripheral SPI controller in master mode. 530 531 config SPI_LANTIQ_SSC 532 tristate "Lantiq SSC SPI controller" 533 depends on LANTIQ || X86 || COMPILE_TEST 534 help 535 This driver supports the Lantiq SSC SPI controller in master 536 mode. This controller is found on Intel (former Lantiq) SoCs like 537 the Danube, Falcon, xRX200, xRX300, Lightning Mountain. 538 539 config SPI_OC_TINY 540 tristate "OpenCores tiny SPI" 541 depends on GPIOLIB || COMPILE_TEST 542 select SPI_BITBANG 543 help 544 This is the driver for OpenCores tiny SPI master controller. 545 546 config SPI_OCTEON 547 tristate "Cavium OCTEON SPI controller" 548 depends on CAVIUM_OCTEON_SOC 549 help 550 SPI host driver for the hardware found on some Cavium OCTEON 551 SOCs. 552 553 config SPI_OMAP_UWIRE 554 tristate "OMAP1 MicroWire" 555 depends on ARCH_OMAP1 556 select SPI_BITBANG 557 help 558 This hooks up to the MicroWire controller on OMAP1 chips. 559 560 config SPI_OMAP24XX 561 tristate "McSPI driver for OMAP" 562 depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST 563 select SG_SPLIT 564 help 565 SPI master controller for OMAP24XX and later Multichannel SPI 566 (McSPI) modules. 567 568 config SPI_TI_QSPI 569 tristate "DRA7xxx QSPI controller support" 570 depends on ARCH_OMAP2PLUS || COMPILE_TEST 571 help 572 QSPI master controller for DRA7xxx used for flash devices. 573 This device supports single, dual and quad read support, while 574 it only supports single write mode. 575 576 config SPI_OMAP_100K 577 tristate "OMAP SPI 100K" 578 depends on ARCH_OMAP850 || ARCH_OMAP730 || COMPILE_TEST 579 help 580 OMAP SPI 100K master controller for omap7xx boards. 581 582 config SPI_ORION 583 tristate "Orion SPI master" 584 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 585 help 586 This enables using the SPI master controller on the Orion 587 and MVEBU chips. 588 589 config SPI_PIC32 590 tristate "Microchip PIC32 series SPI" 591 depends on MACH_PIC32 || COMPILE_TEST 592 help 593 SPI driver for Microchip PIC32 SPI master controller. 594 595 config SPI_PIC32_SQI 596 tristate "Microchip PIC32 Quad SPI driver" 597 depends on MACH_PIC32 || COMPILE_TEST 598 help 599 SPI driver for PIC32 Quad SPI controller. 600 601 config SPI_PL022 602 tristate "ARM AMBA PL022 SSP controller" 603 depends on ARM_AMBA 604 default y if MACH_U300 605 default y if ARCH_REALVIEW 606 default y if INTEGRATOR_IMPD1 607 default y if ARCH_VERSATILE 608 help 609 This selects the ARM(R) AMBA(R) PrimeCell PL022 SSP 610 controller. If you have an embedded system with an AMBA(R) 611 bus and a PL022 controller, say Y or M here. 612 613 config SPI_PPC4xx 614 tristate "PPC4xx SPI Controller" 615 depends on PPC32 && 4xx 616 select SPI_BITBANG 617 help 618 This selects a driver for the PPC4xx SPI Controller. 619 620 config SPI_PXA2XX 621 tristate "PXA2xx SSP SPI master" 622 depends on ARCH_PXA || ARCH_MMP || PCI || ACPI || COMPILE_TEST 623 select PXA_SSP if ARCH_PXA || ARCH_MMP 624 help 625 This enables using a PXA2xx or Sodaville SSP port as a SPI master 626 controller. The driver can be configured to use any SSP port and 627 additional documentation can be found a Documentation/spi/pxa2xx.rst. 628 629 config SPI_PXA2XX_PCI 630 def_tristate SPI_PXA2XX && PCI && COMMON_CLK 631 632 config SPI_ROCKCHIP 633 tristate "Rockchip SPI controller driver" 634 help 635 This selects a driver for Rockchip SPI controller. 636 637 If you say yes to this option, support will be included for 638 RK3066, RK3188 and RK3288 families of SPI controller. 639 Rockchip SPI controller support DMA transport and PIO mode. 640 The main usecase of this controller is to use spi flash as boot 641 device. 642 643 config SPI_RB4XX 644 tristate "Mikrotik RB4XX SPI master" 645 depends on SPI_MASTER && ATH79 646 help 647 SPI controller driver for the Mikrotik RB4xx series boards. 648 649 config SPI_RPCIF 650 tristate "Renesas RPC-IF SPI driver" 651 depends on RENESAS_RPCIF 652 help 653 SPI driver for Renesas R-Car Gen3 RPC-IF. 654 655 config SPI_RSPI 656 tristate "Renesas RSPI/QSPI controller" 657 depends on SUPERH || ARCH_RENESAS || COMPILE_TEST 658 help 659 SPI driver for Renesas RSPI and QSPI blocks. 660 661 config SPI_QCOM_QSPI 662 tristate "QTI QSPI controller" 663 depends on ARCH_QCOM 664 help 665 QSPI(Quad SPI) driver for Qualcomm QSPI controller. 666 667 config SPI_QUP 668 tristate "Qualcomm SPI controller with QUP interface" 669 depends on ARCH_QCOM || COMPILE_TEST 670 help 671 Qualcomm Universal Peripheral (QUP) core is an AHB slave that 672 provides a common data path (an output FIFO and an input FIFO) 673 for serial peripheral interface (SPI) mini-core. SPI in master 674 mode supports up to 50MHz, up to four chip selects, programmable 675 data path from 4 bits to 32 bits and numerous protocol variants. 676 677 This driver can also be built as a module. If so, the module 678 will be called spi_qup. 679 680 config SPI_QCOM_GENI 681 tristate "Qualcomm GENI based SPI controller" 682 depends on QCOM_GENI_SE 683 help 684 This driver supports GENI serial engine based SPI controller in 685 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 686 yes to this option, support will be included for the built-in SPI 687 interface on the Qualcomm Technologies Inc.'s SoCs. 688 689 This driver can also be built as a module. If so, the module 690 will be called spi-geni-qcom. 691 692 config SPI_S3C24XX 693 tristate "Samsung S3C24XX series SPI" 694 depends on ARCH_S3C24XX 695 select SPI_BITBANG 696 help 697 SPI driver for Samsung S3C24XX series ARM SoCs 698 699 config SPI_S3C24XX_FIQ 700 bool "S3C24XX driver with FIQ pseudo-DMA" 701 depends on SPI_S3C24XX 702 select FIQ 703 help 704 Enable FIQ support for the S3C24XX SPI driver to provide pseudo 705 DMA by using the fast-interrupt request framework, This allows 706 the driver to get DMA-like performance when there are either 707 no free DMA channels, or when doing transfers that required both 708 TX and RX data paths. 709 710 config SPI_S3C64XX 711 tristate "Samsung S3C64XX series type SPI" 712 depends on (PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST) 713 help 714 SPI driver for Samsung S3C64XX and newer SoCs. 715 716 config SPI_SC18IS602 717 tristate "NXP SC18IS602/602B/603 I2C to SPI bridge" 718 depends on I2C 719 help 720 SPI driver for NXP SC18IS602/602B/603 I2C to SPI bridge. 721 722 config SPI_SH_MSIOF 723 tristate "SuperH MSIOF SPI controller" 724 depends on HAVE_CLK 725 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 726 help 727 SPI driver for SuperH and SH Mobile MSIOF blocks. 728 729 config SPI_SH 730 tristate "SuperH SPI controller" 731 depends on SUPERH || COMPILE_TEST 732 help 733 SPI driver for SuperH SPI blocks. 734 735 config SPI_SH_SCI 736 tristate "SuperH SCI SPI controller" 737 depends on SUPERH 738 select SPI_BITBANG 739 help 740 SPI driver for SuperH SCI blocks. 741 742 config SPI_SH_HSPI 743 tristate "SuperH HSPI controller" 744 depends on ARCH_RENESAS || COMPILE_TEST 745 help 746 SPI driver for SuperH HSPI blocks. 747 748 config SPI_SIFIVE 749 tristate "SiFive SPI controller" 750 depends on HAS_IOMEM 751 help 752 This exposes the SPI controller IP from SiFive. 753 754 config SPI_SIRF 755 tristate "CSR SiRFprimaII SPI controller" 756 depends on SIRF_DMA 757 select SPI_BITBANG 758 help 759 SPI driver for CSR SiRFprimaII SoCs 760 761 config SPI_SLAVE_MT27XX 762 tristate "MediaTek SPI slave device" 763 depends on ARCH_MEDIATEK || COMPILE_TEST 764 depends on SPI_SLAVE 765 help 766 This selects the MediaTek(R) SPI slave device driver. 767 If you want to use MediaTek(R) SPI slave interface, 768 say Y or M here.If you are not sure, say N. 769 SPI slave drivers for Mediatek MT27XX series ARM SoCs. 770 771 config SPI_SPRD 772 tristate "Spreadtrum SPI controller" 773 depends on ARCH_SPRD || COMPILE_TEST 774 help 775 SPI driver for Spreadtrum SoCs. 776 777 config SPI_SPRD_ADI 778 tristate "Spreadtrum ADI controller" 779 depends on ARCH_SPRD || COMPILE_TEST 780 depends on HWSPINLOCK || (COMPILE_TEST && !HWSPINLOCK) 781 help 782 ADI driver based on SPI for Spreadtrum SoCs. 783 784 config SPI_STM32 785 tristate "STMicroelectronics STM32 SPI controller" 786 depends on ARCH_STM32 || COMPILE_TEST 787 help 788 SPI driver for STMicroelectronics STM32 SoCs. 789 790 STM32 SPI controller supports DMA and PIO modes. When DMA 791 is not available, the driver automatically falls back to 792 PIO mode. 793 794 config SPI_STM32_QSPI 795 tristate "STMicroelectronics STM32 QUAD SPI controller" 796 depends on ARCH_STM32 || COMPILE_TEST 797 depends on OF 798 help 799 This enables support for the Quad SPI controller in master mode. 800 This driver does not support generic SPI. The implementation only 801 supports spi-mem interface. 802 803 config SPI_ST_SSC4 804 tristate "STMicroelectronics SPI SSC-based driver" 805 depends on ARCH_STI || COMPILE_TEST 806 help 807 STMicroelectronics SoCs support for SPI. If you say yes to 808 this option, support will be included for the SSC driven SPI. 809 810 config SPI_SUN4I 811 tristate "Allwinner A10 SoCs SPI controller" 812 depends on ARCH_SUNXI || COMPILE_TEST 813 help 814 SPI driver for Allwinner sun4i, sun5i and sun7i SoCs 815 816 config SPI_SUN6I 817 tristate "Allwinner A31 SPI controller" 818 depends on ARCH_SUNXI || COMPILE_TEST 819 depends on RESET_CONTROLLER 820 help 821 This enables using the SPI controller on the Allwinner A31 SoCs. 822 823 config SPI_SYNQUACER 824 tristate "Socionext's SynQuacer HighSpeed SPI controller" 825 depends on ARCH_SYNQUACER || COMPILE_TEST 826 help 827 SPI driver for Socionext's High speed SPI controller which provides 828 various operating modes for interfacing to serial peripheral devices 829 that use the de-facto standard SPI protocol. 830 831 It also supports the new dual-bit and quad-bit SPI protocol. 832 833 config SPI_MXIC 834 tristate "Macronix MX25F0A SPI controller" 835 depends on SPI_MASTER 836 help 837 This selects the Macronix MX25F0A SPI controller driver. 838 839 config SPI_MXS 840 tristate "Freescale MXS SPI controller" 841 depends on ARCH_MXS 842 select STMP_DEVICE 843 help 844 SPI driver for Freescale MXS devices. 845 846 config SPI_TEGRA114 847 tristate "NVIDIA Tegra114 SPI Controller" 848 depends on (ARCH_TEGRA && TEGRA20_APB_DMA) || COMPILE_TEST 849 depends on RESET_CONTROLLER 850 help 851 SPI driver for NVIDIA Tegra114 SPI Controller interface. This controller 852 is different than the older SoCs SPI controller and also register interface 853 get changed with this controller. 854 855 config SPI_TEGRA20_SFLASH 856 tristate "Nvidia Tegra20 Serial flash Controller" 857 depends on ARCH_TEGRA || COMPILE_TEST 858 depends on RESET_CONTROLLER 859 help 860 SPI driver for Nvidia Tegra20 Serial flash Controller interface. 861 The main usecase of this controller is to use spi flash as boot 862 device. 863 864 config SPI_TEGRA20_SLINK 865 tristate "Nvidia Tegra20/Tegra30 SLINK Controller" 866 depends on (ARCH_TEGRA && TEGRA20_APB_DMA) || COMPILE_TEST 867 depends on RESET_CONTROLLER 868 help 869 SPI driver for Nvidia Tegra20/Tegra30 SLINK Controller interface. 870 871 config SPI_THUNDERX 872 tristate "Cavium ThunderX SPI controller" 873 depends on PCI && 64BIT && (ARM64 || COMPILE_TEST) 874 help 875 SPI host driver for the hardware found on Cavium ThunderX 876 SOCs. 877 878 config SPI_TOPCLIFF_PCH 879 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) SPI" 880 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 881 help 882 SPI driver for the Topcliff PCH (Platform Controller Hub) SPI bus 883 used in some x86 embedded processors. 884 885 This driver also supports the ML7213/ML7223/ML7831, a companion chip 886 for the Atom E6xx series and compatible with the Intel EG20T PCH. 887 888 config SPI_TXX9 889 tristate "Toshiba TXx9 SPI controller" 890 depends on GPIOLIB && (CPU_TX49XX || COMPILE_TEST) 891 help 892 SPI driver for Toshiba TXx9 MIPS SoCs 893 894 config SPI_UNIPHIER 895 tristate "Socionext UniPhier SPI Controller" 896 depends on (ARCH_UNIPHIER || COMPILE_TEST) && OF 897 depends on HAS_IOMEM 898 help 899 This enables a driver for the Socionext UniPhier SoC SCSSI SPI controller. 900 901 UniPhier SoCs have SCSSI and MCSSI SPI controllers. 902 Every UniPhier SoC has SCSSI which supports single channel. 903 Older UniPhier Pro4/Pro5 also has MCSSI which support multiple channels. 904 This driver supports SCSSI only. 905 906 If your SoC supports SCSSI, say Y here. 907 908 config SPI_XCOMM 909 tristate "Analog Devices AD-FMCOMMS1-EBZ SPI-I2C-bridge driver" 910 depends on I2C 911 help 912 Support for the SPI-I2C bridge found on the Analog Devices 913 AD-FMCOMMS1-EBZ board. 914 915 config SPI_XILINX 916 tristate "Xilinx SPI controller common module" 917 depends on HAS_IOMEM 918 select SPI_BITBANG 919 help 920 This exposes the SPI controller IP from the Xilinx EDK. 921 922 See the "OPB Serial Peripheral Interface (SPI) (v1.00e)" 923 Product Specification document (DS464) for hardware details. 924 925 Or for the DS570, see "XPS Serial Peripheral Interface (SPI) (v2.00b)" 926 927 config SPI_XLP 928 tristate "Netlogic XLP SPI controller driver" 929 depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST 930 help 931 Enable support for the SPI controller on the Netlogic XLP SoCs. 932 Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX, XLP9XX 933 and XLP5XX. 934 935 If you have a Netlogic XLP platform say Y here. 936 If unsure, say N. 937 938 config SPI_XTENSA_XTFPGA 939 tristate "Xtensa SPI controller for xtfpga" 940 depends on (XTENSA && XTENSA_PLATFORM_XTFPGA) || COMPILE_TEST 941 select SPI_BITBANG 942 help 943 SPI driver for xtfpga SPI master controller. 944 945 This simple SPI master controller is built into xtfpga bitstreams 946 and is used to control daughterboard audio codec. It always transfers 947 16 bit words in SPI mode 0, automatically asserting CS on transfer 948 start and deasserting on end. 949 950 config SPI_ZYNQ_QSPI 951 tristate "Xilinx Zynq QSPI controller" 952 depends on ARCH_ZYNQ || COMPILE_TEST 953 help 954 This enables support for the Zynq Quad SPI controller 955 in master mode. 956 This controller only supports SPI memory interface. 957 958 config SPI_ZYNQMP_GQSPI 959 tristate "Xilinx ZynqMP GQSPI controller" 960 depends on (SPI_MASTER && HAS_DMA) || COMPILE_TEST 961 help 962 Enables Xilinx GQSPI controller driver for Zynq UltraScale+ MPSoC. 963 964 config SPI_AMD 965 tristate "AMD SPI controller" 966 depends on SPI_MASTER || COMPILE_TEST 967 help 968 Enables SPI controller driver for AMD SoC. 969 970 # 971 # Add new SPI master controllers in alphabetical order above this line 972 # 973 974 comment "SPI Multiplexer support" 975 976 config SPI_MUX 977 tristate "SPI multiplexer support" 978 select MULTIPLEXER 979 help 980 This adds support for SPI multiplexers. Each SPI mux will be 981 accessible as a SPI controller, the devices behind the mux will appear 982 to be chip selects on this controller. It is still necessary to 983 select one or more specific mux-controller drivers. 984 985 # 986 # There are lots of SPI device types, with sensors and memory 987 # being probably the most widely used ones. 988 # 989 comment "SPI Protocol Masters" 990 991 config SPI_SPIDEV 992 tristate "User mode SPI device driver support" 993 help 994 This supports user mode SPI protocol drivers. 995 996 Note that this application programming interface is EXPERIMENTAL 997 and hence SUBJECT TO CHANGE WITHOUT NOTICE while it stabilizes. 998 999 config SPI_LOOPBACK_TEST 1000 tristate "spi loopback test framework support" 1001 depends on m 1002 help 1003 This enables the SPI loopback testing framework driver 1004 1005 primarily used for development of spi_master drivers 1006 and to detect regressions 1007 1008 config SPI_TLE62X0 1009 tristate "Infineon TLE62X0 (for power switching)" 1010 depends on SYSFS 1011 help 1012 SPI driver for Infineon TLE62X0 series line driver chips, 1013 such as the TLE6220, TLE6230 and TLE6240. This provides a 1014 sysfs interface, with each line presented as a kind of GPIO 1015 exposing both switch control and diagnostic feedback. 1016 1017 # 1018 # Add new SPI protocol masters in alphabetical order above this line 1019 # 1020 1021 endif # SPI_MASTER 1022 1023 # 1024 # SLAVE side ... listening to other SPI masters 1025 # 1026 1027 config SPI_SLAVE 1028 bool "SPI slave protocol handlers" 1029 help 1030 If your system has a slave-capable SPI controller, you can enable 1031 slave protocol handlers. 1032 1033 if SPI_SLAVE 1034 1035 config SPI_SLAVE_TIME 1036 tristate "SPI slave handler reporting boot up time" 1037 help 1038 SPI slave handler responding with the time of reception of the last 1039 SPI message. 1040 1041 config SPI_SLAVE_SYSTEM_CONTROL 1042 tristate "SPI slave handler controlling system state" 1043 help 1044 SPI slave handler to allow remote control of system reboot, power 1045 off, halt, and suspend. 1046 1047 endif # SPI_SLAVE 1048 1049 config SPI_DYNAMIC 1050 def_bool ACPI || OF_DYNAMIC || SPI_SLAVE 1051 1052 endif # SPI 1053