1# SPDX-License-Identifier: GPL-2.0-only 2# 3# Sensor device configuration 4# 5 6menu "I2C Hardware Bus support" 7 depends on HAS_IOMEM 8 9comment "PC SMBus host controller drivers" 10 depends on PCI 11 12config I2C_CCGX_UCSI 13 tristate 14 help 15 A common module to provide an API to instantiate UCSI device 16 for Cypress CCGx Type-C controller. Individual bus drivers 17 need to select this one on demand. 18 19config I2C_ALI1535 20 tristate "ALI 1535" 21 depends on PCI && HAS_IOPORT 22 help 23 If you say yes to this option, support will be included for the SMB 24 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB 25 controller is part of the 7101 device, which is an ACPI-compliant 26 Power Management Unit (PMU). 27 28 This driver can also be built as a module. If so, the module 29 will be called i2c-ali1535. 30 31config I2C_ALI1563 32 tristate "ALI 1563" 33 depends on PCI && HAS_IOPORT 34 help 35 If you say yes to this option, support will be included for the SMB 36 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB 37 controller is part of the 7101 device, which is an ACPI-compliant 38 Power Management Unit (PMU). 39 40 This driver can also be built as a module. If so, the module 41 will be called i2c-ali1563. 42 43config I2C_ALI15X3 44 tristate "ALI 15x3" 45 depends on PCI && HAS_IOPORT 46 help 47 If you say yes to this option, support will be included for the 48 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces. 49 50 This driver can also be built as a module. If so, the module 51 will be called i2c-ali15x3. 52 53config I2C_AMD756 54 tristate "AMD 756/766/768/8111 and nVidia nForce" 55 depends on PCI && HAS_IOPORT 56 help 57 If you say yes to this option, support will be included for the AMD 58 756/766/768 mainboard I2C interfaces. The driver also includes 59 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and 60 the nVidia nForce I2C interface. 61 62 This driver can also be built as a module. If so, the module 63 will be called i2c-amd756. 64 65config I2C_AMD8111 66 tristate "AMD 8111" 67 depends on PCI && HAS_IOPORT 68 help 69 If you say yes to this option, support will be included for the 70 second (SMBus 2.0) AMD 8111 mainboard I2C interface. 71 72 This driver can also be built as a module. If so, the module 73 will be called i2c-amd8111. 74 75config I2C_AMD_MP2 76 tristate "AMD MP2 PCIe" 77 depends on PCI && ACPI 78 help 79 If you say yes to this option, support will be included for the AMD 80 MP2 PCIe I2C adapter. 81 82 This driver can also be built as modules. If so, the modules will 83 be called i2c-amd-mp2-pci and i2c-amd-mp2-plat. 84 85config I2C_AMD_ASF 86 tristate "AMD ASF I2C Controller Support" 87 depends on I2C_PIIX4 88 select I2C_SLAVE 89 help 90 This option enables support for the AMD ASF (Alert Standard Format) 91 I2C controller. The AMD ASF controller is an SMBus controller with 92 built-in ASF functionality, allowing it to issue generic SMBus 93 packets and communicate with the DASH controller using MCTP over 94 ASF. 95 96 If you have an AMD system with ASF support and want to enable this 97 functionality, say Y or M here. If unsure, say N. 98 99 To compile this driver as a module, choose M here: the module will 100 be called i2c_amd_asf_plat. 101 102config I2C_HIX5HD2 103 tristate "Hix5hd2 high-speed I2C driver" 104 depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST 105 help 106 Say Y here to include support for the high-speed I2C controller 107 used in HiSilicon hix5hd2 SoCs. 108 109 This driver can also be built as a module. If so, the module 110 will be called i2c-hix5hd2. 111 112config I2C_I801 113 tristate "Intel 82801 (ICH/PCH)" 114 depends on PCI && HAS_IOPORT 115 select P2SB if X86 116 select CHECK_SIGNATURE if X86 && DMI 117 select I2C_SMBUS 118 help 119 If you say yes to this option, support will be included for the Intel 120 801 family of mainboard I2C interfaces. Specifically, the following 121 versions of the chipset are supported: 122 82801AA 123 82801AB 124 82801BA 125 82801CA/CAM 126 82801DB 127 82801EB/ER (ICH5/ICH5R) 128 6300ESB 129 ICH6 130 ICH7 131 ESB2 132 ICH8 133 ICH9 134 EP80579 (Tolapai) 135 ICH10 136 5/3400 Series (PCH) 137 6 Series (PCH) 138 Patsburg (PCH) 139 DH89xxCC (PCH) 140 Panther Point (PCH) 141 Lynx Point (PCH) 142 Avoton (SOC) 143 Wellsburg (PCH) 144 Coleto Creek (PCH) 145 Wildcat Point (PCH) 146 BayTrail (SOC) 147 Braswell (SOC) 148 Sunrise Point (PCH) 149 Kaby Lake (PCH) 150 DNV (SOC) 151 Broxton (SOC) 152 Lewisburg (PCH) 153 Gemini Lake (SOC) 154 Cannon Lake (PCH) 155 Cedar Fork (PCH) 156 Ice Lake (PCH) 157 Comet Lake (PCH) 158 Elkhart Lake (PCH) 159 Tiger Lake (PCH) 160 Jasper Lake (SOC) 161 Emmitsburg (PCH) 162 Alder Lake (PCH) 163 Raptor Lake (PCH) 164 Meteor Lake (SOC and PCH) 165 Birch Stream (SOC) 166 Arrow Lake (SOC) 167 Panther Lake (SOC) 168 169 This driver can also be built as a module. If so, the module 170 will be called i2c-i801. 171 172config I2C_I801_MUX 173 def_bool I2C_I801 174 depends on DMI && I2C_MUX_GPIO 175 depends on !(I2C_I801=y && I2C_MUX=m) 176 help 177 Optional support for multiplexed SMBUS on certain systems with 178 more than 8 memory slots. 179 180config I2C_ISCH 181 tristate "Intel SCH SMBus 1.0" 182 depends on PCI && HAS_IOPORT 183 select LPC_SCH 184 help 185 Say Y here if you want to use SMBus controller on the Intel SCH 186 based systems. 187 188 This driver can also be built as a module. If so, the module 189 will be called i2c-isch. 190 191config I2C_ISMT 192 tristate "Intel iSMT SMBus Controller" 193 depends on PCI && X86 194 help 195 If you say yes to this option, support will be included for the Intel 196 iSMT SMBus host controller interface. 197 198 This driver can also be built as a module. If so, the module will be 199 called i2c-ismt. 200 201config I2C_PIIX4 202 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 203 depends on PCI && HAS_IOPORT 204 select I2C_SMBUS 205 help 206 If you say yes to this option, support will be included for the Intel 207 PIIX4 family of mainboard I2C interfaces. Specifically, the following 208 versions of the chipset are supported (note that Serverworks is part 209 of Broadcom): 210 Intel PIIX4 211 Intel 440MX 212 ATI IXP200 213 ATI IXP300 214 ATI IXP400 215 ATI SB600 216 ATI SB700/SP5100 217 ATI SB800 218 AMD Hudson-2 219 AMD ML 220 AMD CZ 221 Hygon CZ 222 Serverworks OSB4 223 Serverworks CSB5 224 Serverworks CSB6 225 Serverworks HT-1000 226 Serverworks HT-1100 227 SMSC Victory66 228 229 Some AMD chipsets contain two PIIX4-compatible SMBus 230 controllers. This driver will attempt to use both controllers 231 on the SB700/SP5100, if they have been initialized by the BIOS. 232 233 This driver can also be built as a module. If so, the module 234 will be called i2c-piix4. 235 236config I2C_CHT_WC 237 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 238 depends on INTEL_SOC_PMIC_CHTWC 239 help 240 If you say yes to this option, support will be included for the 241 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 242 found on some Intel Cherry Trail systems. 243 244 Note this controller is hooked up to a TI bq24292i charger-IC, 245 combined with a FUSB302 Type-C port-controller as such it is advised 246 to also select CONFIG_TYPEC_FUSB302=m. 247 248config I2C_NFORCE2 249 tristate "Nvidia nForce2, nForce3 and nForce4" 250 depends on PCI && HAS_IOPORT 251 help 252 If you say yes to this option, support will be included for the Nvidia 253 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 254 255 This driver can also be built as a module. If so, the module 256 will be called i2c-nforce2. 257 258config I2C_NVIDIA_GPU 259 tristate "NVIDIA GPU I2C controller" 260 depends on PCI 261 select I2C_CCGX_UCSI 262 help 263 If you say yes to this option, support will be included for the 264 NVIDIA GPU I2C controller which is used to communicate with the GPU's 265 Type-C controller. This driver can also be built as a module called 266 i2c-nvidia-gpu. 267 268config I2C_SIS5595 269 tristate "SiS 5595" 270 depends on PCI && HAS_IOPORT 271 help 272 If you say yes to this option, support will be included for the 273 SiS5595 SMBus (a subset of I2C) interface. 274 275 This driver can also be built as a module. If so, the module 276 will be called i2c-sis5595. 277 278config I2C_SIS630 279 tristate "SiS 630/730/964" 280 depends on PCI && HAS_IOPORT 281 help 282 If you say yes to this option, support will be included for the 283 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 284 285 This driver can also be built as a module. If so, the module 286 will be called i2c-sis630. 287 288config I2C_SIS96X 289 tristate "SiS 96x" 290 depends on PCI && HAS_IOPORT 291 help 292 If you say yes to this option, support will be included for the SiS 293 96x SMBus (a subset of I2C) interfaces. Specifically, the following 294 chipsets are supported: 295 645/961 296 645DX/961 297 645DX/962 298 648/961 299 650/961 300 735 301 745 302 303 This driver can also be built as a module. If so, the module 304 will be called i2c-sis96x. 305 306config I2C_VIA 307 tristate "VIA VT82C586B" 308 depends on PCI && HAS_IOPORT 309 select I2C_ALGOBIT 310 help 311 If you say yes to this option, support will be included for the VIA 312 82C586B I2C interface 313 314 This driver can also be built as a module. If so, the module 315 will be called i2c-via. 316 317config I2C_VIAPRO 318 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 319 depends on PCI && HAS_IOPORT 320 help 321 If you say yes to this option, support will be included for the VIA 322 VT82C596 and later SMBus interface. Specifically, the following 323 chipsets are supported: 324 VT82C596A/B 325 VT82C686A/B 326 VT8231 327 VT8233/A 328 VT8235 329 VT8237R/A/S 330 VT8251 331 CX700 332 VX800/VX820 333 VX855/VX875 334 VX900 335 336 This driver can also be built as a module. If so, the module 337 will be called i2c-viapro. 338 339if ACPI 340 341config I2C_ZHAOXIN 342 tristate "Zhaoxin I2C Interface" 343 depends on PCI || COMPILE_TEST 344 help 345 If you say yes to this option, support will be included for the 346 ZHAOXIN I2C interface 347 348 This driver can also be built as a module. If so, the module 349 will be called i2c-zhaoxin. 350 351comment "ACPI drivers" 352 353config I2C_SCMI 354 tristate "SMBus Control Method Interface" 355 help 356 This driver supports the SMBus Control Method Interface. It needs the 357 BIOS to declare ACPI control methods as described in the SMBus Control 358 Method Interface specification. 359 360 To compile this driver as a module, choose M here: 361 the module will be called i2c-scmi. 362 363endif # ACPI 364 365comment "Mac SMBus host controller drivers" 366 depends on PPC_CHRP || PPC_PMAC 367 368config I2C_HYDRA 369 tristate "CHRP Apple Hydra Mac I/O I2C interface" 370 depends on PCI && PPC_CHRP 371 select I2C_ALGOBIT 372 help 373 This supports the use of the I2C interface in the Apple Hydra Mac 374 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 375 have such a machine. 376 377 This support is also available as a module. If so, the module 378 will be called i2c-hydra. 379 380config I2C_POWERMAC 381 tristate "Powermac I2C interface" 382 depends on PPC_PMAC 383 default y 384 help 385 This exposes the various PowerMac i2c interfaces to the linux i2c 386 layer and to userland. It is used by various drivers on the PowerMac 387 platform, and should generally be enabled. 388 389 This support is also available as a module. If so, the module 390 will be called i2c-powermac. 391 392comment "I2C system bus drivers (mostly embedded / system-on-chip)" 393 394config I2C_ALTERA 395 tristate "Altera Soft IP I2C" 396 depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST 397 depends on OF 398 help 399 If you say yes to this option, support will be included for the 400 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 401 402 This driver can also be built as a module. If so, the module 403 will be called i2c-altera. 404 405config I2C_ASPEED 406 tristate "Aspeed I2C Controller" 407 depends on ARCH_ASPEED || COMPILE_TEST 408 help 409 If you say yes to this option, support will be included for the 410 Aspeed I2C controller. 411 412 This driver can also be built as a module. If so, the module 413 will be called i2c-aspeed. 414 415config I2C_AT91 416 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 417 depends on ARCH_AT91 || COMPILE_TEST 418 help 419 This supports the use of the I2C interface on Atmel AT91 420 processors. 421 422 A serious problem is that there is no documented way to issue 423 repeated START conditions for more than two messages, as needed 424 to support combined I2C messages. Use the i2c-gpio driver 425 unless your system can cope with this limitation. 426 427 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 428 don't have clock stretching in transmission mode. For that reason, 429 you can encounter underrun issues causing premature stop sendings if 430 the latency to fill the transmission register is too long. If you 431 are facing this situation, use the i2c-gpio driver. 432 433config I2C_AT91_SLAVE_EXPERIMENTAL 434 tristate "Microchip AT91 I2C experimental slave mode" 435 depends on I2C_AT91 436 select I2C_SLAVE 437 help 438 If you say yes to this option, support for the slave mode will be 439 added. Caution: do not use it for production. This feature has not 440 been tested in a heavy way, help wanted. 441 There are known bugs: 442 - It can hang, on a SAMA5D4, after several transfers. 443 - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as 444 master. 445 446config I2C_AU1550 447 tristate "Au1550/Au1200/Au1300 SMBus interface" 448 depends on MIPS_ALCHEMY 449 help 450 If you say yes to this option, support will be included for the 451 Au1550/Au1200/Au1300 SMBus interface. 452 453 This driver can also be built as a module. If so, the module 454 will be called i2c-au1550. 455 456config I2C_AXXIA 457 tristate "Axxia I2C controller" 458 depends on ARCH_AXXIA || COMPILE_TEST 459 default ARCH_AXXIA 460 select I2C_SLAVE 461 help 462 Say yes if you want to support the I2C bus on Axxia platforms. 463 464 Please note that this controller is limited to transfers of maximum 465 255 bytes in length. Any attempt to to a larger transfer will return 466 an error. 467 468config I2C_BCM2835 469 tristate "Broadcom BCM2835 I2C controller" 470 depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST 471 depends on COMMON_CLK 472 help 473 If you say yes to this option, support will be included for the 474 BCM2835 I2C controller. 475 476 If you don't know what to do here, say N. 477 478 This support is also available as a module. If so, the module 479 will be called i2c-bcm2835. 480 481config I2C_BCM_IPROC 482 tristate "Broadcom iProc I2C controller" 483 depends on ARCH_BCM_IPROC || COMPILE_TEST 484 default ARCH_BCM_IPROC 485 select I2C_SLAVE 486 help 487 If you say yes to this option, support will be included for the 488 Broadcom iProc I2C controller. 489 490 If you don't know what to do here, say N. 491 492config I2C_BCM_KONA 493 tristate "BCM Kona I2C adapter" 494 depends on ARCH_BCM_MOBILE || COMPILE_TEST 495 default y if ARCH_BCM_MOBILE 496 help 497 If you say yes to this option, support will be included for the 498 I2C interface on the Broadcom Kona family of processors. 499 500 If you do not need KONA I2C interface, say N. 501 502config I2C_BRCMSTB 503 tristate "BRCM Settop/DSL I2C controller" 504 depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \ 505 BMIPS_GENERIC || COMPILE_TEST 506 default y 507 help 508 If you say yes to this option, support will be included for the 509 I2C interface on the Broadcom Settop/DSL SoCs. 510 511 If you do not need I2C interface, say N. 512 513config I2C_CADENCE 514 tristate "Cadence I2C Controller" 515 depends on ARCH_ZYNQ || ARM64 || XTENSA || RISCV || COMPILE_TEST 516 help 517 Say yes here to select Cadence I2C Host Controller. This controller is 518 e.g. used by Xilinx Zynq. 519 520config I2C_CBUS_GPIO 521 tristate "CBUS I2C driver" 522 depends on GPIOLIB || COMPILE_TEST 523 help 524 Support for CBUS access using I2C API. Mostly relevant for Nokia 525 Internet Tablets (770, N800 and N810). 526 527 This driver can also be built as a module. If so, the module 528 will be called i2c-cbus-gpio. 529 530config I2C_CPM 531 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 532 depends on CPM1 || CPM2 533 help 534 This supports the use of the I2C interface on Freescale 535 processors with CPM1 or CPM2. 536 537 This driver can also be built as a module. If so, the module 538 will be called i2c-cpm. 539 540config I2C_DAVINCI 541 tristate "DaVinci I2C driver" 542 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 543 help 544 Support for TI DaVinci I2C controller driver. 545 546 This driver can also be built as a module. If so, the module 547 will be called i2c-davinci. 548 549 Please note that this driver might be needed to bring up other 550 devices such as DaVinci NIC. 551 For details please see http://www.ti.com/davinci 552 553config I2C_DESIGNWARE_CORE 554 tristate "Synopsys DesignWare I2C adapter" 555 select REGMAP 556 help 557 This option enables support for the Synopsys DesignWare I2C adapter. 558 This driver includes support for the I2C host on the Synopsys 559 Designware I2C adapter. 560 561 To compile the driver as a module, choose M here: the module will be 562 called i2c-designware-core. 563 564if I2C_DESIGNWARE_CORE 565 566config I2C_DESIGNWARE_SLAVE 567 bool "Synopsys DesignWare Slave" 568 select I2C_SLAVE 569 help 570 If you say yes to this option, support will be included for the 571 Synopsys DesignWare I2C slave adapter. 572 573config I2C_DESIGNWARE_PLATFORM 574 tristate "Synopsys DesignWare Platform driver" 575 depends on (ACPI && COMMON_CLK) || !ACPI 576 select MFD_SYSCON if MIPS_BAIKAL_T1 577 default I2C_DESIGNWARE_CORE 578 help 579 If you say yes to this option, support will be included for the 580 Synopsys DesignWare I2C adapters on the platform bus. 581 582 This driver can also be built as a module. If so, the module 583 will be called i2c-designware-platform. 584 585config I2C_DESIGNWARE_AMDPSP 586 bool "AMD PSP I2C semaphore support" 587 depends on ACPI 588 depends on CRYPTO_DEV_SP_PSP 589 depends on PCI 590 depends on I2C_DESIGNWARE_PLATFORM 591 depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \ 592 (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD) 593 help 594 This driver enables managed host access to the selected I2C bus shared 595 between AMD CPU and AMD PSP. 596 597 You should say Y if running on an AMD system equipped with the PSP. 598 599config I2C_DESIGNWARE_BAYTRAIL 600 bool "Intel Baytrail I2C semaphore support" 601 depends on ACPI 602 depends on I2C_DESIGNWARE_PLATFORM 603 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 604 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 605 help 606 This driver enables managed host access to the PMIC I2C bus on select 607 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 608 the host to request uninterrupted access to the PMIC's I2C bus from 609 the platform firmware controlling it. You should say Y if running on 610 a BayTrail system using the AXP288. 611 612config I2C_DESIGNWARE_PCI 613 tristate "Synopsys DesignWare PCI driver" 614 depends on PCI 615 select I2C_CCGX_UCSI 616 help 617 If you say yes to this option, support will be included for the 618 Synopsys DesignWare I2C adapters on the PCI bus. Only master mode is 619 supported. 620 621 This driver can also be built as a module. If so, the module 622 will be called i2c-designware-pci. 623 624endif 625 626config I2C_DIGICOLOR 627 tristate "Conexant Digicolor I2C driver" 628 depends on ARCH_DIGICOLOR || COMPILE_TEST 629 help 630 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 631 632 This driver can also be built as a module. If so, the module 633 will be called i2c-digicolor. 634 635config I2C_EG20T 636 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 637 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 638 help 639 This driver is for PCH(Platform controller Hub) I2C of EG20T which 640 is an IOH(Input/Output Hub) for x86 embedded processor. 641 This driver can access PCH I2C bus device. 642 643 This driver also can be used for LAPIS Semiconductor IOH(Input/ 644 Output Hub), ML7213, ML7223 and ML7831. 645 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 646 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 647 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 648 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 649 650config I2C_EMEV2 651 tristate "EMMA Mobile series I2C adapter" 652 depends on HAVE_CLK 653 select I2C_SLAVE 654 help 655 If you say yes to this option, support will be included for the 656 I2C interface on the Renesas Electronics EM/EV family of processors. 657 658config I2C_EXYNOS5 659 tristate "Exynos high-speed I2C driver" 660 depends on OF 661 depends on ARCH_EXYNOS || COMPILE_TEST 662 default y if ARCH_EXYNOS 663 help 664 High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs: 665 Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800, 666 Exynos5433, Exynos7, Exynos850 and ExynosAutoV9. 667 Choose Y here only if you build for such Samsung SoC. 668 669config I2C_GPIO 670 tristate "GPIO-based bitbanging I2C" 671 depends on GPIOLIB || COMPILE_TEST 672 select I2C_ALGOBIT 673 help 674 This is a very simple bitbanging I2C driver utilizing the 675 arch-neutral GPIO API to control the SCL and SDA lines. 676 677config I2C_GPIO_FAULT_INJECTOR 678 bool "GPIO-based fault injector" 679 depends on I2C_GPIO 680 help 681 This adds some functionality to the i2c-gpio driver which can inject 682 faults to an I2C bus, so another bus master can be stress-tested. 683 This is for debugging. If unsure, say 'no'. 684 685config I2C_GXP 686 tristate "GXP I2C Interface" 687 depends on ARCH_HPE_GXP || COMPILE_TEST 688 help 689 This enables support for GXP I2C interface. The I2C engines can be 690 either I2C master or I2C slaves. 691 692config I2C_HIGHLANDER 693 tristate "Highlander FPGA SMBus interface" 694 depends on SH_HIGHLANDER || COMPILE_TEST 695 help 696 If you say yes to this option, support will be included for 697 the SMBus interface located in the FPGA on various Highlander 698 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 699 FPGAs. This is wholly unrelated to the SoC I2C. 700 701 This driver can also be built as a module. If so, the module 702 will be called i2c-highlander. 703 704config I2C_HISI 705 tristate "HiSilicon I2C controller" 706 depends on ARM64 || COMPILE_TEST 707 help 708 Say Y here if you want to have Hisilicon I2C controller support 709 available on the Kunpeng Server. 710 711 This driver can also be built as a module. If so, the module 712 will be called i2c-hisi. 713 714config I2C_IBM_IIC 715 tristate "IBM PPC 4xx on-chip I2C interface" 716 depends on 4xx 717 help 718 Say Y here if you want to use IIC peripheral found on 719 embedded IBM PPC 4xx based systems. 720 721 This driver can also be built as a module. If so, the module 722 will be called i2c-ibm_iic. 723 724config I2C_IMG 725 tristate "Imagination Technologies I2C SCB Controller" 726 depends on MIPS || COMPILE_TEST 727 help 728 Say Y here if you want to use the IMG I2C SCB controller, 729 available on the TZ1090 and other IMG SoCs. 730 731 This driver can also be built as a module. If so, the module 732 will be called i2c-img-scb. 733 734config I2C_IMX 735 tristate "IMX I2C interface" 736 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST 737 select I2C_SLAVE 738 help 739 Say Y here if you want to use the IIC bus controller on 740 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 741 742 This driver can also be built as a module. If so, the module 743 will be called i2c-imx. 744 745config I2C_IMX_LPI2C 746 tristate "IMX Low Power I2C interface" 747 depends on ARCH_MXC || COMPILE_TEST 748 help 749 Say Y here if you want to use the Low Power IIC bus controller 750 on the Freescale i.MX processors. 751 752 This driver can also be built as a module. If so, the module 753 will be called i2c-imx-lpi2c. 754 755config I2C_IOP3XX 756 tristate "Intel IXP4xx on-chip I2C interface" 757 depends on ARCH_IXP4XX || COMPILE_TEST 758 help 759 Say Y here if you want to use the IIC bus controller on 760 the Intel IXP4xx Network Processors. 761 762 This driver can also be built as a module. If so, the module 763 will be called i2c-iop3xx. 764 765config I2C_JZ4780 766 tristate "JZ4780 I2C controller interface support" 767 depends on MIPS || COMPILE_TEST 768 help 769 If you say yes to this option, support will be included for the 770 Ingenic JZ4780 I2C controller. 771 772 If you don't know what to do here, say N. 773 774config I2C_KEBA 775 tristate "KEBA I2C controller support" 776 depends on HAS_IOMEM 777 depends on KEBA_CP500 || COMPILE_TEST 778 select AUXILIARY_BUS 779 help 780 This driver supports the I2C controller found in KEBA system FPGA 781 devices. 782 783 This driver can also be built as a module. If so, the module 784 will be called i2c-keba. 785 786config I2C_KEMPLD 787 tristate "Kontron COM I2C Controller" 788 depends on MFD_KEMPLD 789 help 790 This enables support for the I2C bus interface on some Kontron ETX 791 and COMexpress (ETXexpress) modules. 792 793 This driver can also be built as a module. If so, the module 794 will be called i2c-kempld. 795 796config I2C_LPC2K 797 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 798 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 799 help 800 This driver supports the I2C interface found several NXP 801 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 802 803 This driver can also be built as a module. If so, the module 804 will be called i2c-lpc2k. 805 806config I2C_LS2X 807 tristate "Loongson LS2X I2C adapter" 808 depends on MACH_LOONGSON64 || COMPILE_TEST 809 help 810 If you say yes to this option, support will be included for the 811 I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge 812 chip. 813 814 This driver can also be built as a module. If so, the module 815 will be called i2c-ls2x. 816 817config I2C_MLXBF 818 tristate "Mellanox BlueField I2C controller" 819 depends on MELLANOX_PLATFORM && ARM64 820 depends on ACPI 821 select I2C_SLAVE 822 help 823 Enabling this option will add I2C SMBus support for Mellanox BlueField 824 system. 825 826 This driver can also be built as a module. If so, the module will be 827 called i2c-mlxbf. 828 829 This driver implements an I2C SMBus host controller and enables both 830 master and slave functions. 831 832config I2C_MESON 833 tristate "Amlogic Meson I2C controller" 834 depends on ARCH_MESON || COMPILE_TEST 835 depends on COMMON_CLK 836 help 837 If you say yes to this option, support will be included for the 838 I2C interface on the Amlogic Meson family of SoCs. 839 840config I2C_MICROCHIP_CORE 841 tristate "Microchip FPGA I2C controller" 842 depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST 843 depends on OF 844 help 845 If you say yes to this option, support will be included for the 846 I2C interface on Microchip FPGAs. 847 848 This driver can also be built as a module. If so, the module will be 849 called i2c-microchip-core. 850 851config I2C_MPC 852 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 853 depends on PPC 854 help 855 If you say yes to this option, support will be included for the 856 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 857 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 858 859 This driver can also be built as a module. If so, the module 860 will be called i2c-mpc. 861 862config I2C_MT65XX 863 tristate "MediaTek I2C adapter" 864 depends on ARCH_MEDIATEK || COMPILE_TEST 865 help 866 This selects the MediaTek(R) Integrated Inter Circuit bus driver 867 for MT65xx and MT81xx. 868 If you want to use MediaTek(R) I2C interface, say Y or M here. 869 If unsure, say N. 870 871config I2C_MT7621 872 tristate "MT7621/MT7628 I2C Controller" 873 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST 874 help 875 Say Y here to include support for I2C controller in the 876 MediaTek MT7621/MT7628 SoCs. 877 878config I2C_MV64XXX 879 tristate "Marvell mv64xxx I2C Controller" 880 depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST 881 help 882 If you say yes to this option, support will be included for the 883 built-in I2C interface on the Marvell 64xxx line of host bridges. 884 This driver is also used for Allwinner SoCs I2C controllers. 885 886 This driver can also be built as a module. If so, the module 887 will be called i2c-mv64xxx. 888 889config I2C_MXS 890 tristate "Freescale i.MX28 I2C interface" 891 depends on SOC_IMX28 || COMPILE_TEST 892 select STMP_DEVICE 893 help 894 Say Y here if you want to use the I2C bus controller on 895 the Freescale i.MX28 processors. 896 897 This driver can also be built as a module. If so, the module 898 will be called i2c-mxs. 899 900config I2C_NOMADIK 901 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 902 depends on ARM_AMBA 903 help 904 If you say yes to this option, support will be included for the 905 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 906 as well as the STA2X11 PCIe I/O HUB. 907 908config I2C_NPCM 909 tristate "Nuvoton I2C Controller" 910 depends on ARCH_NPCM || COMPILE_TEST 911 help 912 If you say yes to this option, support will be included for the 913 Nuvoton I2C controller, which is available on the NPCM BMC 914 controllers. 915 Driver can also support slave mode (select I2C_SLAVE). 916 917config I2C_OCORES 918 tristate "OpenCores I2C Controller" 919 help 920 If you say yes to this option, support will be included for the 921 OpenCores I2C controller. For details see 922 http://www.opencores.org/projects.cgi/web/i2c/overview 923 924 This driver can also be built as a module. If so, the module 925 will be called i2c-ocores. 926 927config I2C_OMAP 928 tristate "OMAP I2C adapter" 929 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST 930 default MACH_OMAP_OSK 931 help 932 If you say yes to this option, support will be included for the 933 I2C interface on the Texas Instruments OMAP1/2 family of processors. 934 Like OMAP1510/1610/1710/5912 and OMAP242x. 935 For details see http://www.ti.com/omap. 936 937config I2C_OWL 938 tristate "Actions Semiconductor Owl I2C Controller" 939 depends on ARCH_ACTIONS || COMPILE_TEST 940 help 941 Say Y here if you want to use the I2C bus controller on 942 the Actions Semiconductor Owl SoC's. 943 944config I2C_PASEMI 945 tristate "PA Semi SMBus interface" 946 depends on PPC_PASEMI && PCI 947 help 948 Supports the PA Semi PWRficient on-chip SMBus interfaces. 949 950config I2C_APPLE 951 tristate "Apple SMBus platform driver" 952 depends on !I2C_PASEMI 953 depends on ARCH_APPLE || COMPILE_TEST 954 default ARCH_APPLE 955 help 956 Say Y here if you want to use the I2C controller present on Apple 957 Silicon chips such as the M1. 958 959 This driver can also be built as a module. If so, the module 960 will be called i2c-apple. 961 962config I2C_PCA_PLATFORM 963 tristate "PCA9564/PCA9665 as platform device" 964 select I2C_ALGOPCA 965 help 966 This driver supports a memory mapped Philips PCA9564/PCA9665 967 parallel bus to I2C bus controller. 968 969 This driver can also be built as a module. If so, the module 970 will be called i2c-pca-platform. 971 972config I2C_PNX 973 tristate "I2C bus support for Philips PNX and NXP LPC targets" 974 depends on ARCH_LPC32XX || COMPILE_TEST 975 help 976 This driver supports the Philips IP3204 I2C IP block master and/or 977 slave controller 978 979 This driver can also be built as a module. If so, the module 980 will be called i2c-pnx. 981 982config I2C_PXA 983 tristate "Intel PXA2XX I2C adapter" 984 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST 985 help 986 If you have devices in the PXA I2C bus, say yes to this option. 987 This driver can also be built as a module. If so, the module 988 will be called i2c-pxa. 989 990config I2C_PXA_PCI 991 def_bool I2C_PXA && X86_32 && PCI && OF 992 993config I2C_PXA_SLAVE 994 bool "Intel PXA2XX I2C Slave comms support" 995 depends on I2C_PXA && !X86_32 996 select I2C_SLAVE 997 help 998 Support I2C slave mode communications on the PXA I2C bus. This 999 is necessary for systems where the PXA may be a target on the 1000 I2C bus. 1001 1002config I2C_QCOM_CCI 1003 tristate "Qualcomm Camera Control Interface" 1004 depends on ARCH_QCOM || COMPILE_TEST 1005 help 1006 If you say yes to this option, support will be included for the 1007 built-in camera control interface on the Qualcomm SoCs. 1008 1009 This driver can also be built as a module. If so, the module 1010 will be called i2c-qcom-cci. 1011 1012config I2C_QCOM_GENI 1013 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 1014 depends on ARCH_QCOM || COMPILE_TEST 1015 depends on QCOM_GENI_SE 1016 help 1017 This driver supports GENI serial engine based I2C controller in 1018 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 1019 yes to this option, support will be included for the built-in I2C 1020 interface on the Qualcomm Technologies Inc.'s SoCs. 1021 1022 This driver can also be built as a module. If so, the module 1023 will be called i2c-qcom-geni. 1024 1025config I2C_QUP 1026 tristate "Qualcomm QUP based I2C controller" 1027 depends on ARCH_QCOM || COMPILE_TEST 1028 help 1029 If you say yes to this option, support will be included for the 1030 built-in I2C interface on the Qualcomm SoCs. 1031 1032 This driver can also be built as a module. If so, the module 1033 will be called i2c-qup. 1034 1035config I2C_RIIC 1036 tristate "Renesas RIIC adapter" 1037 depends on ARCH_RENESAS || COMPILE_TEST 1038 help 1039 If you say yes to this option, support will be included for the 1040 Renesas RIIC I2C interface. 1041 1042 This driver can also be built as a module. If so, the module 1043 will be called i2c-riic. 1044 1045config I2C_RK3X 1046 tristate "Rockchip RK3xxx I2C adapter" 1047 depends on OF && COMMON_CLK 1048 help 1049 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 1050 SoCs. 1051 1052 This driver can also be built as a module. If so, the module will 1053 be called i2c-rk3x. 1054 1055config I2C_RZV2M 1056 tristate "Renesas RZ/V2M adapter" 1057 depends on ARCH_RENESAS || COMPILE_TEST 1058 help 1059 If you say yes to this option, support will be included for the 1060 Renesas RZ/V2M I2C interface. 1061 1062 This driver can also be built as a module. If so, the module 1063 will be called i2c-rzv2m. 1064 1065config I2C_S3C2410 1066 tristate "S3C/Exynos I2C Driver" 1067 depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 1068 help 1069 Say Y here to include support for I2C controller in the 1070 Samsung SoCs (S3C, S5Pv210, Exynos). 1071 1072config I2C_SH7760 1073 tristate "Renesas SH7760 I2C Controller" 1074 depends on CPU_SUBTYPE_SH7760 1075 help 1076 This driver supports the 2 I2C interfaces on the Renesas SH7760. 1077 1078 This driver can also be built as a module. If so, the module 1079 will be called i2c-sh7760. 1080 1081config I2C_SH_MOBILE 1082 tristate "SuperH Mobile I2C Controller" 1083 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 1084 help 1085 If you say yes to this option, support will be included for the 1086 built-in I2C interface on the Renesas SH-Mobile processor. 1087 1088 This driver can also be built as a module. If so, the module 1089 will be called i2c-sh_mobile. 1090 1091config I2C_SIMTEC 1092 tristate "Simtec Generic I2C interface" 1093 select I2C_ALGOBIT 1094 help 1095 If you say yes to this option, support will be included for 1096 the Simtec Generic I2C interface. This driver is for the 1097 simple I2C bus used on newer Simtec products for general 1098 I2C, such as DDC on the Simtec BBD2016A. 1099 1100 This driver can also be built as a module. If so, the module 1101 will be called i2c-simtec. 1102 1103config I2C_SPRD 1104 tristate "Spreadtrum I2C interface" 1105 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST) 1106 depends on COMMON_CLK 1107 help 1108 If you say yes to this option, support will be included for the 1109 Spreadtrum I2C interface. 1110 1111config I2C_ST 1112 tristate "STMicroelectronics SSC I2C support" 1113 depends on ARCH_STI || COMPILE_TEST 1114 help 1115 Enable this option to add support for STMicroelectronics SoCs 1116 hardware SSC (Synchronous Serial Controller) as an I2C controller. 1117 1118 This driver can also be built as module. If so, the module 1119 will be called i2c-st. 1120 1121config I2C_STM32F4 1122 tristate "STMicroelectronics STM32F4 I2C support" 1123 depends on ARCH_STM32 || COMPILE_TEST 1124 help 1125 Enable this option to add support for STM32 I2C controller embedded 1126 in STM32F4 SoCs. 1127 1128 This driver can also be built as module. If so, the module 1129 will be called i2c-stm32f4. 1130 1131config I2C_STM32F7 1132 tristate "STMicroelectronics STM32F7 I2C support" 1133 depends on ARCH_STM32 || COMPILE_TEST 1134 select I2C_SLAVE 1135 select I2C_SMBUS 1136 help 1137 Enable this option to add support for STM32 I2C controller embedded 1138 in STM32F7 SoCs. 1139 1140 This driver can also be built as module. If so, the module 1141 will be called i2c-stm32f7. 1142 1143config I2C_SUN6I_P2WI 1144 tristate "Allwinner sun6i internal P2WI controller" 1145 depends on RESET_CONTROLLER 1146 depends on MACH_SUN6I || COMPILE_TEST 1147 help 1148 If you say yes to this option, support will be included for the 1149 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1150 SOCs. 1151 The P2WI looks like an SMBus controller (which supports only byte 1152 accesses), except that it only supports one slave device. 1153 This interface is used to connect to specific PMIC devices (like the 1154 AXP221). 1155 1156config I2C_SYNQUACER 1157 tristate "Socionext SynQuacer I2C controller" 1158 depends on ARCH_SYNQUACER || COMPILE_TEST 1159 help 1160 Say Y here to include support for the I2C controller used in some 1161 Fujitsu and Socionext SoCs. 1162 1163 This driver can also be built as a module. If so, the module 1164 will be called i2c-synquacer. 1165 1166config I2C_TEGRA 1167 tristate "NVIDIA Tegra internal I2C controller" 1168 depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC)) 1169 # COMPILE_TEST needs architectures with readsX()/writesX() primitives 1170 help 1171 If you say yes to this option, support will be included for the 1172 I2C controller embedded in NVIDIA Tegra SOCs 1173 1174config I2C_TEGRA_BPMP 1175 tristate "NVIDIA Tegra BPMP I2C controller" 1176 depends on TEGRA_BPMP || COMPILE_TEST 1177 default y if TEGRA_BPMP 1178 help 1179 If you say yes to this option, support will be included for the I2C 1180 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1181 1182 This I2C driver is a 'virtual' I2C driver. The real driver is part 1183 of the BPMP firmware, and this driver merely communicates with that 1184 real driver. 1185 1186config I2C_UNIPHIER 1187 tristate "UniPhier FIFO-less I2C controller" 1188 depends on ARCH_UNIPHIER || COMPILE_TEST 1189 help 1190 If you say yes to this option, support will be included for 1191 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1192 or older UniPhier SoCs. 1193 1194config I2C_UNIPHIER_F 1195 tristate "UniPhier FIFO-builtin I2C controller" 1196 depends on ARCH_UNIPHIER || COMPILE_TEST 1197 help 1198 If you say yes to this option, support will be included for 1199 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1200 PH1-Pro5, or newer UniPhier SoCs. 1201 1202config I2C_VERSATILE 1203 tristate "ARM Versatile/Realview I2C bus support" 1204 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1205 select I2C_ALGOBIT 1206 help 1207 Say yes if you want to support the I2C serial bus on ARMs Versatile 1208 range of platforms. 1209 1210 This driver can also be built as a module. If so, the module 1211 will be called i2c-versatile. 1212 1213config I2C_WMT 1214 tristate "Wondermedia WM8xxx SoC I2C bus support" 1215 depends on ARCH_VT8500 || COMPILE_TEST 1216 help 1217 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1218 SoCs. 1219 1220 This driver can also be built as a module. If so, the module will be 1221 called i2c-wmt. 1222 1223config I2C_OCTEON 1224 tristate "Cavium OCTEON I2C bus support" 1225 depends on CAVIUM_OCTEON_SOC 1226 help 1227 Say yes if you want to support the I2C serial bus on Cavium 1228 OCTEON SOC. 1229 1230 This driver can also be built as a module. If so, the module 1231 will be called i2c-octeon. 1232 1233config I2C_THUNDERX 1234 tristate "Cavium ThunderX I2C bus support" 1235 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1236 select I2C_SMBUS 1237 help 1238 Say yes if you want to support the I2C serial bus on Cavium 1239 ThunderX SOC. 1240 1241 This driver can also be built as a module. If so, the module 1242 will be called i2c-thunderx. 1243 1244config I2C_XILINX 1245 tristate "Xilinx I2C Controller" 1246 depends on HAS_IOMEM 1247 help 1248 If you say yes to this option, support will be included for the 1249 Xilinx I2C controller. 1250 1251 This driver can also be built as a module. If so, the module 1252 will be called xilinx_i2c. 1253 1254config I2C_XLP9XX 1255 tristate "Cavium ThunderX2 I2C support" 1256 depends on ARCH_THUNDER2 || COMPILE_TEST 1257 help 1258 This driver enables support for the on-chip I2C interface of 1259 the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.) 1260 1261 This driver can also be built as a module. If so, the module will 1262 be called i2c-xlp9xx. 1263 1264config I2C_RCAR 1265 tristate "Renesas R-Car I2C Controller" 1266 depends on ARCH_RENESAS || COMPILE_TEST 1267 select I2C_SLAVE 1268 select I2C_SMBUS 1269 select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4 1270 help 1271 If you say yes to this option, support will be included for the 1272 R-Car I2C controller. 1273 1274 This driver can also be built as a module. If so, the module 1275 will be called i2c-rcar. 1276 1277comment "External I2C/SMBus adapter drivers" 1278 1279config I2C_DIOLAN_U2C 1280 tristate "Diolan U2C-12 USB adapter" 1281 depends on USB 1282 help 1283 If you say yes to this option, support will be included for Diolan 1284 U2C-12, a USB to I2C interface. 1285 1286 This driver can also be built as a module. If so, the module 1287 will be called i2c-diolan-u2c. 1288 1289config I2C_DLN2 1290 tristate "Diolan DLN-2 USB I2C adapter" 1291 depends on MFD_DLN2 1292 help 1293 If you say yes to this option, support will be included for Diolan 1294 DLN2, a USB to I2C interface. 1295 1296 This driver can also be built as a module. If so, the module 1297 will be called i2c-dln2. 1298 1299config I2C_LJCA 1300 tristate "I2C functionality of Intel La Jolla Cove Adapter" 1301 depends on USB_LJCA 1302 default USB_LJCA 1303 help 1304 If you say yes to this option, I2C functionality support of Intel 1305 La Jolla Cove Adapter (LJCA) will be included. 1306 1307 This driver can also be built as a module. If so, the module 1308 will be called i2c-ljca. 1309 1310config I2C_CP2615 1311 tristate "Silicon Labs CP2615 USB sound card and I2C adapter" 1312 depends on USB 1313 help 1314 If you say yes to this option, support will be included for Silicon 1315 Labs CP2615's I2C interface. 1316 1317 This driver can also be built as a module. If so, the module 1318 will be called i2c-cp2615. 1319 1320config I2C_PARPORT 1321 tristate "Parallel port adapter" 1322 depends on PARPORT 1323 select I2C_ALGOBIT 1324 select I2C_SMBUS 1325 help 1326 This supports parallel port I2C adapters such as the ones made by 1327 Philips or Velleman, Analog Devices evaluation boards, and more. 1328 Basically any adapter using the parallel port as an I2C bus with 1329 no extra chipset is supported by this driver, or could be. Please 1330 read the file Documentation/i2c/busses/i2c-parport.rst for details. 1331 1332 This support is also available as a module. If so, the module 1333 will be called i2c-parport. 1334 1335config I2C_PCI1XXXX 1336 tristate "PCI1XXXX I2C Host Adapter" 1337 depends on PCI 1338 help 1339 If you say yes to this option, support will be included for 1340 Microchip PCI1XXXX's I2C interface. 1341 1342 This driver can also be built as a module. If so, the module will 1343 be called i2c-mchp-pci1xxxx. 1344 1345config I2C_ROBOTFUZZ_OSIF 1346 tristate "RobotFuzz Open Source InterFace USB adapter" 1347 depends on USB 1348 help 1349 If you say yes to this option, support will be included for the 1350 RobotFuzz Open Source InterFace USB to I2C interface. 1351 1352 This driver can also be built as a module. If so, the module 1353 will be called i2c-osif. 1354 1355config I2C_TAOS_EVM 1356 tristate "TAOS evaluation module" 1357 depends on TTY 1358 select SERIO 1359 select SERIO_SERPORT 1360 help 1361 This supports TAOS evaluation modules on serial port. In order to 1362 use this driver, you will need the inputattach tool, which is part 1363 of the input-utils package. 1364 1365 If unsure, say N. 1366 1367 This support is also available as a module. If so, the module 1368 will be called i2c-taos-evm. 1369 1370config I2C_TINY_USB 1371 tristate "Tiny-USB adapter" 1372 depends on USB 1373 help 1374 If you say yes to this option, support will be included for the 1375 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1376 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1377 1378 This driver can also be built as a module. If so, the module 1379 will be called i2c-tiny-usb. 1380 1381config I2C_VIPERBOARD 1382 tristate "Viperboard I2C master support" 1383 depends on MFD_VIPERBOARD && USB 1384 help 1385 Say yes here to access the I2C part of the Nano River 1386 Technologies Viperboard as I2C master. 1387 See viperboard API specification and Nano 1388 River Tech's viperboard.h for detailed meaning 1389 of the module parameters. 1390 1391comment "Other I2C/SMBus bus drivers" 1392 1393config I2C_ACORN 1394 tristate "Acorn IOC/IOMD I2C bus support" 1395 depends on ARCH_ACORN 1396 default y 1397 select I2C_ALGOBIT 1398 help 1399 Say yes if you want to support the I2C bus on Acorn platforms. 1400 1401 If you don't know, say Y. 1402 1403config I2C_ELEKTOR 1404 tristate "Elektor ISA card" 1405 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1406 select I2C_ALGOPCF 1407 help 1408 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1409 such an adapter. 1410 1411 This support is also available as a module. If so, the module 1412 will be called i2c-elektor. 1413 1414config I2C_ICY 1415 tristate "ICY Zorro card" 1416 depends on ZORRO 1417 select I2C_ALGOPCF 1418 help 1419 This supports the PCF8584 Zorro bus I2C adapter, known as ICY. 1420 Say Y if you own such an adapter. 1421 1422 This support is also available as a module. If so, the module 1423 will be called i2c-icy. 1424 1425 If you have a 2019 edition board with an LTC2990 sensor at address 1426 0x4c, loading the module 'ltc2990' is sufficient to enable it. 1427 1428config I2C_MLXCPLD 1429 tristate "Mellanox I2C driver" 1430 depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST 1431 depends on HAS_IOPORT 1432 help 1433 This exposes the Mellanox platform I2C busses to the linux I2C layer 1434 for X86 and ARM64/ACPI based systems. 1435 Controller is implemented as CPLD logic. 1436 1437 This driver can also be built as a module. If so, the module will be 1438 called as i2c-mlxcpld. 1439 1440config I2C_PCA_ISA 1441 tristate "PCA9564/PCA9665 on an ISA bus" 1442 depends on ISA 1443 select I2C_ALGOPCA 1444 help 1445 This driver supports ISA boards using the Philips PCA9564/PCA9665 1446 parallel bus to I2C bus controller. 1447 1448 This driver can also be built as a module. If so, the module 1449 will be called i2c-pca-isa. 1450 1451 This device is almost undetectable and using this driver on a 1452 system which doesn't have this device will result in long 1453 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1454 time). If unsure, say N. 1455 1456config I2C_SIBYTE 1457 tristate "SiByte SMBus interface" 1458 depends on SIBYTE_SB1xxx_SOC 1459 help 1460 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1461 1462config I2C_CROS_EC_TUNNEL 1463 tristate "ChromeOS EC tunnel I2C bus" 1464 depends on CROS_EC 1465 help 1466 If you say yes here you get an I2C bus that will tunnel i2c commands 1467 through to the other side of the ChromeOS EC to the i2c bus 1468 connected there. This will work whatever the interface used to 1469 talk to the EC (SPI, I2C or LPC). 1470 1471config I2C_XGENE_SLIMPRO 1472 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1473 depends on ARCH_XGENE && MAILBOX 1474 help 1475 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1476 co-processor. The I2C device access the I2C bus via the X-Gene 1477 to SLIMpro (On chip coprocessor) mailbox mechanism. 1478 If unsure, say N. 1479 1480config SCx200_ACB 1481 tristate "Geode ACCESS.bus support" 1482 depends on X86_32 && PCI 1483 help 1484 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1485 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1486 1487 If you don't know what to do here, say N. 1488 1489 This support is also available as a module. If so, the module 1490 will be called scx200_acb. 1491 1492config I2C_OPAL 1493 tristate "IBM OPAL I2C driver" 1494 depends on PPC_POWERNV 1495 default y 1496 help 1497 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1498 the driver is based on the OPAL interfaces. 1499 1500 This driver can also be built as a module. If so, the module will be 1501 called as i2c-opal. 1502 1503config I2C_FSI 1504 tristate "FSI I2C driver" 1505 depends on FSI 1506 help 1507 Driver for FSI bus attached I2C masters. These are I2C masters that 1508 are connected to the system over an FSI bus, instead of the more 1509 common PCI or MMIO interface. 1510 1511 This driver can also be built as a module. If so, the module will be 1512 called as i2c-fsi. 1513 1514config I2C_VIRTIO 1515 tristate "Virtio I2C Adapter" 1516 select VIRTIO 1517 help 1518 If you say yes to this option, support will be included for the virtio 1519 I2C adapter driver. The hardware can be emulated by any device model 1520 software according to the virtio protocol. 1521 1522 This driver can also be built as a module. If so, the module 1523 will be called i2c-virtio. 1524 1525endmenu 1526