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_AMD756_S4882 66 tristate "SMBus multiplexing on the Tyan S4882" 67 depends on I2C_AMD756 && X86 68 help 69 Enabling this option will add specific SMBus support for the Tyan 70 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed 71 over 8 different channels, where the various memory module EEPROMs 72 and temperature sensors live. Saying yes here will give you access 73 to these in addition to the trunk. 74 75 This driver can also be built as a module. If so, the module 76 will be called i2c-amd756-s4882. 77 78config I2C_AMD8111 79 tristate "AMD 8111" 80 depends on PCI && HAS_IOPORT 81 help 82 If you say yes to this option, support will be included for the 83 second (SMBus 2.0) AMD 8111 mainboard I2C interface. 84 85 This driver can also be built as a module. If so, the module 86 will be called i2c-amd8111. 87 88config I2C_AMD_MP2 89 tristate "AMD MP2 PCIe" 90 depends on PCI && ACPI 91 help 92 If you say yes to this option, support will be included for the AMD 93 MP2 PCIe I2C adapter. 94 95 This driver can also be built as modules. If so, the modules will 96 be called i2c-amd-mp2-pci and i2c-amd-mp2-plat. 97 98config I2C_HIX5HD2 99 tristate "Hix5hd2 high-speed I2C driver" 100 depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST 101 help 102 Say Y here to include support for the high-speed I2C controller 103 used in HiSilicon hix5hd2 SoCs. 104 105 This driver can also be built as a module. If so, the module 106 will be called i2c-hix5hd2. 107 108config I2C_I801 109 tristate "Intel 82801 (ICH/PCH)" 110 depends on PCI && HAS_IOPORT 111 select P2SB if X86 112 select CHECK_SIGNATURE if X86 && DMI 113 select I2C_SMBUS 114 help 115 If you say yes to this option, support will be included for the Intel 116 801 family of mainboard I2C interfaces. Specifically, the following 117 versions of the chipset are supported: 118 82801AA 119 82801AB 120 82801BA 121 82801CA/CAM 122 82801DB 123 82801EB/ER (ICH5/ICH5R) 124 6300ESB 125 ICH6 126 ICH7 127 ESB2 128 ICH8 129 ICH9 130 EP80579 (Tolapai) 131 ICH10 132 5/3400 Series (PCH) 133 6 Series (PCH) 134 Patsburg (PCH) 135 DH89xxCC (PCH) 136 Panther Point (PCH) 137 Lynx Point (PCH) 138 Avoton (SOC) 139 Wellsburg (PCH) 140 Coleto Creek (PCH) 141 Wildcat Point (PCH) 142 BayTrail (SOC) 143 Braswell (SOC) 144 Sunrise Point (PCH) 145 Kaby Lake (PCH) 146 DNV (SOC) 147 Broxton (SOC) 148 Lewisburg (PCH) 149 Gemini Lake (SOC) 150 Cannon Lake (PCH) 151 Cedar Fork (PCH) 152 Ice Lake (PCH) 153 Comet Lake (PCH) 154 Elkhart Lake (PCH) 155 Tiger Lake (PCH) 156 Jasper Lake (SOC) 157 Emmitsburg (PCH) 158 Alder Lake (PCH) 159 Raptor Lake (PCH) 160 Meteor Lake (SOC and PCH) 161 Birch Stream (SOC) 162 Arrow Lake (SOC) 163 164 This driver can also be built as a module. If so, the module 165 will be called i2c-i801. 166 167config I2C_I801_MUX 168 def_bool I2C_I801 169 depends on DMI && I2C_MUX_GPIO 170 depends on !(I2C_I801=y && I2C_MUX=m) 171 help 172 Optional support for multiplexed SMBUS on certain systems with 173 more than 8 memory slots. 174 175config I2C_ISCH 176 tristate "Intel SCH SMBus 1.0" 177 depends on PCI && HAS_IOPORT 178 select LPC_SCH 179 help 180 Say Y here if you want to use SMBus controller on the Intel SCH 181 based systems. 182 183 This driver can also be built as a module. If so, the module 184 will be called i2c-isch. 185 186config I2C_ISMT 187 tristate "Intel iSMT SMBus Controller" 188 depends on PCI && X86 189 help 190 If you say yes to this option, support will be included for the Intel 191 iSMT SMBus host controller interface. 192 193 This driver can also be built as a module. If so, the module will be 194 called i2c-ismt. 195 196config I2C_PIIX4 197 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 198 depends on PCI && HAS_IOPORT 199 select I2C_SMBUS 200 help 201 If you say yes to this option, support will be included for the Intel 202 PIIX4 family of mainboard I2C interfaces. Specifically, the following 203 versions of the chipset are supported (note that Serverworks is part 204 of Broadcom): 205 Intel PIIX4 206 Intel 440MX 207 ATI IXP200 208 ATI IXP300 209 ATI IXP400 210 ATI SB600 211 ATI SB700/SP5100 212 ATI SB800 213 AMD Hudson-2 214 AMD ML 215 AMD CZ 216 Hygon CZ 217 Serverworks OSB4 218 Serverworks CSB5 219 Serverworks CSB6 220 Serverworks HT-1000 221 Serverworks HT-1100 222 SMSC Victory66 223 224 Some AMD chipsets contain two PIIX4-compatible SMBus 225 controllers. This driver will attempt to use both controllers 226 on the SB700/SP5100, if they have been initialized by the BIOS. 227 228 This driver can also be built as a module. If so, the module 229 will be called i2c-piix4. 230 231config I2C_CHT_WC 232 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 233 depends on INTEL_SOC_PMIC_CHTWC 234 help 235 If you say yes to this option, support will be included for the 236 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 237 found on some Intel Cherry Trail systems. 238 239 Note this controller is hooked up to a TI bq24292i charger-IC, 240 combined with a FUSB302 Type-C port-controller as such it is advised 241 to also select CONFIG_TYPEC_FUSB302=m. 242 243config I2C_NFORCE2 244 tristate "Nvidia nForce2, nForce3 and nForce4" 245 depends on PCI && HAS_IOPORT 246 help 247 If you say yes to this option, support will be included for the Nvidia 248 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 249 250 This driver can also be built as a module. If so, the module 251 will be called i2c-nforce2. 252 253config I2C_NFORCE2_S4985 254 tristate "SMBus multiplexing on the Tyan S4985" 255 depends on I2C_NFORCE2 && X86 256 help 257 Enabling this option will add specific SMBus support for the Tyan 258 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed 259 over 4 different channels, where the various memory module EEPROMs 260 live. Saying yes here will give you access to these in addition 261 to the trunk. 262 263 This driver can also be built as a module. If so, the module 264 will be called i2c-nforce2-s4985. 265 266config I2C_NVIDIA_GPU 267 tristate "NVIDIA GPU I2C controller" 268 depends on PCI 269 select I2C_CCGX_UCSI 270 help 271 If you say yes to this option, support will be included for the 272 NVIDIA GPU I2C controller which is used to communicate with the GPU's 273 Type-C controller. This driver can also be built as a module called 274 i2c-nvidia-gpu. 275 276config I2C_SIS5595 277 tristate "SiS 5595" 278 depends on PCI && HAS_IOPORT 279 help 280 If you say yes to this option, support will be included for the 281 SiS5595 SMBus (a subset of I2C) interface. 282 283 This driver can also be built as a module. If so, the module 284 will be called i2c-sis5595. 285 286config I2C_SIS630 287 tristate "SiS 630/730/964" 288 depends on PCI && HAS_IOPORT 289 help 290 If you say yes to this option, support will be included for the 291 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 292 293 This driver can also be built as a module. If so, the module 294 will be called i2c-sis630. 295 296config I2C_SIS96X 297 tristate "SiS 96x" 298 depends on PCI && HAS_IOPORT 299 help 300 If you say yes to this option, support will be included for the SiS 301 96x SMBus (a subset of I2C) interfaces. Specifically, the following 302 chipsets are supported: 303 645/961 304 645DX/961 305 645DX/962 306 648/961 307 650/961 308 735 309 745 310 311 This driver can also be built as a module. If so, the module 312 will be called i2c-sis96x. 313 314config I2C_VIA 315 tristate "VIA VT82C586B" 316 depends on PCI && HAS_IOPORT 317 select I2C_ALGOBIT 318 help 319 If you say yes to this option, support will be included for the VIA 320 82C586B I2C interface 321 322 This driver can also be built as a module. If so, the module 323 will be called i2c-via. 324 325config I2C_VIAPRO 326 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 327 depends on PCI && HAS_IOPORT 328 help 329 If you say yes to this option, support will be included for the VIA 330 VT82C596 and later SMBus interface. Specifically, the following 331 chipsets are supported: 332 VT82C596A/B 333 VT82C686A/B 334 VT8231 335 VT8233/A 336 VT8235 337 VT8237R/A/S 338 VT8251 339 CX700 340 VX800/VX820 341 VX855/VX875 342 VX900 343 344 This driver can also be built as a module. If so, the module 345 will be called i2c-viapro. 346 347if ACPI 348 349config I2C_ZHAOXIN 350 tristate "Zhaoxin I2C Interface" 351 depends on PCI || COMPILE_TEST 352 help 353 If you say yes to this option, support will be included for the 354 ZHAOXIN I2C interface 355 356 This driver can also be built as a module. If so, the module 357 will be called i2c-zhaoxin. 358 359comment "ACPI drivers" 360 361config I2C_SCMI 362 tristate "SMBus Control Method Interface" 363 help 364 This driver supports the SMBus Control Method Interface. It needs the 365 BIOS to declare ACPI control methods as described in the SMBus Control 366 Method Interface specification. 367 368 To compile this driver as a module, choose M here: 369 the module will be called i2c-scmi. 370 371endif # ACPI 372 373comment "Mac SMBus host controller drivers" 374 depends on PPC_CHRP || PPC_PMAC 375 376config I2C_HYDRA 377 tristate "CHRP Apple Hydra Mac I/O I2C interface" 378 depends on PCI && PPC_CHRP 379 select I2C_ALGOBIT 380 help 381 This supports the use of the I2C interface in the Apple Hydra Mac 382 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 383 have such a machine. 384 385 This support is also available as a module. If so, the module 386 will be called i2c-hydra. 387 388config I2C_POWERMAC 389 tristate "Powermac I2C interface" 390 depends on PPC_PMAC 391 default y 392 help 393 This exposes the various PowerMac i2c interfaces to the linux i2c 394 layer and to userland. It is used by various drivers on the PowerMac 395 platform, and should generally be enabled. 396 397 This support is also available as a module. If so, the module 398 will be called i2c-powermac. 399 400comment "I2C system bus drivers (mostly embedded / system-on-chip)" 401 402config I2C_ALTERA 403 tristate "Altera Soft IP I2C" 404 depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST 405 depends on OF 406 help 407 If you say yes to this option, support will be included for the 408 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 409 410 This driver can also be built as a module. If so, the module 411 will be called i2c-altera. 412 413config I2C_ASPEED 414 tristate "Aspeed I2C Controller" 415 depends on ARCH_ASPEED || COMPILE_TEST 416 help 417 If you say yes to this option, support will be included for the 418 Aspeed I2C controller. 419 420 This driver can also be built as a module. If so, the module 421 will be called i2c-aspeed. 422 423config I2C_AT91 424 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 425 depends on ARCH_AT91 || COMPILE_TEST 426 help 427 This supports the use of the I2C interface on Atmel AT91 428 processors. 429 430 A serious problem is that there is no documented way to issue 431 repeated START conditions for more than two messages, as needed 432 to support combined I2C messages. Use the i2c-gpio driver 433 unless your system can cope with this limitation. 434 435 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 436 don't have clock stretching in transmission mode. For that reason, 437 you can encounter underrun issues causing premature stop sendings if 438 the latency to fill the transmission register is too long. If you 439 are facing this situation, use the i2c-gpio driver. 440 441config I2C_AT91_SLAVE_EXPERIMENTAL 442 tristate "Microchip AT91 I2C experimental slave mode" 443 depends on I2C_AT91 444 select I2C_SLAVE 445 help 446 If you say yes to this option, support for the slave mode will be 447 added. Caution: do not use it for production. This feature has not 448 been tested in a heavy way, help wanted. 449 There are known bugs: 450 - It can hang, on a SAMA5D4, after several transfers. 451 - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as 452 master. 453 454config I2C_AU1550 455 tristate "Au1550/Au1200/Au1300 SMBus interface" 456 depends on MIPS_ALCHEMY 457 help 458 If you say yes to this option, support will be included for the 459 Au1550/Au1200/Au1300 SMBus interface. 460 461 This driver can also be built as a module. If so, the module 462 will be called i2c-au1550. 463 464config I2C_AXXIA 465 tristate "Axxia I2C controller" 466 depends on ARCH_AXXIA || COMPILE_TEST 467 default ARCH_AXXIA 468 select I2C_SLAVE 469 help 470 Say yes if you want to support the I2C bus on Axxia platforms. 471 472 Please note that this controller is limited to transfers of maximum 473 255 bytes in length. Any attempt to to a larger transfer will return 474 an error. 475 476config I2C_BCM2835 477 tristate "Broadcom BCM2835 I2C controller" 478 depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST 479 depends on COMMON_CLK 480 help 481 If you say yes to this option, support will be included for the 482 BCM2835 I2C controller. 483 484 If you don't know what to do here, say N. 485 486 This support is also available as a module. If so, the module 487 will be called i2c-bcm2835. 488 489config I2C_BCM_IPROC 490 tristate "Broadcom iProc I2C controller" 491 depends on ARCH_BCM_IPROC || COMPILE_TEST 492 default ARCH_BCM_IPROC 493 select I2C_SLAVE 494 help 495 If you say yes to this option, support will be included for the 496 Broadcom iProc I2C controller. 497 498 If you don't know what to do here, say N. 499 500config I2C_BCM_KONA 501 tristate "BCM Kona I2C adapter" 502 depends on ARCH_BCM_MOBILE || COMPILE_TEST 503 default y if ARCH_BCM_MOBILE 504 help 505 If you say yes to this option, support will be included for the 506 I2C interface on the Broadcom Kona family of processors. 507 508 If you do not need KONA I2C interface, say N. 509 510config I2C_BRCMSTB 511 tristate "BRCM Settop/DSL I2C controller" 512 depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \ 513 BMIPS_GENERIC || COMPILE_TEST 514 default y 515 help 516 If you say yes to this option, support will be included for the 517 I2C interface on the Broadcom Settop/DSL SoCs. 518 519 If you do not need I2C interface, say N. 520 521config I2C_CADENCE 522 tristate "Cadence I2C Controller" 523 depends on ARCH_ZYNQ || ARM64 || XTENSA || RISCV || COMPILE_TEST 524 help 525 Say yes here to select Cadence I2C Host Controller. This controller is 526 e.g. used by Xilinx Zynq. 527 528config I2C_CBUS_GPIO 529 tristate "CBUS I2C driver" 530 depends on GPIOLIB || COMPILE_TEST 531 help 532 Support for CBUS access using I2C API. Mostly relevant for Nokia 533 Internet Tablets (770, N800 and N810). 534 535 This driver can also be built as a module. If so, the module 536 will be called i2c-cbus-gpio. 537 538config I2C_CPM 539 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 540 depends on CPM1 || CPM2 541 help 542 This supports the use of the I2C interface on Freescale 543 processors with CPM1 or CPM2. 544 545 This driver can also be built as a module. If so, the module 546 will be called i2c-cpm. 547 548config I2C_DAVINCI 549 tristate "DaVinci I2C driver" 550 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 551 help 552 Support for TI DaVinci I2C controller driver. 553 554 This driver can also be built as a module. If so, the module 555 will be called i2c-davinci. 556 557 Please note that this driver might be needed to bring up other 558 devices such as DaVinci NIC. 559 For details please see http://www.ti.com/davinci 560 561config I2C_DESIGNWARE_CORE 562 tristate 563 select REGMAP 564 565config I2C_DESIGNWARE_SLAVE 566 bool "Synopsys DesignWare Slave" 567 depends on I2C_DESIGNWARE_CORE 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. 572 573 This is not a standalone module, this module compiles together with 574 i2c-designware-core. 575 576config I2C_DESIGNWARE_PLATFORM 577 tristate "Synopsys DesignWare Platform" 578 depends on (ACPI && COMMON_CLK) || !ACPI 579 select I2C_DESIGNWARE_CORE 580 select MFD_SYSCON if MIPS_BAIKAL_T1 581 help 582 If you say yes to this option, support will be included for the 583 Synopsys DesignWare I2C adapter. 584 585 This driver can also be built as a module. If so, the module 586 will be called i2c-designware-platform. 587 588config I2C_DESIGNWARE_AMDPSP 589 bool "AMD PSP I2C semaphore support" 590 depends on ACPI 591 depends on CRYPTO_DEV_SP_PSP 592 depends on PCI 593 depends on I2C_DESIGNWARE_PLATFORM 594 depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \ 595 (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD) 596 help 597 This driver enables managed host access to the selected I2C bus shared 598 between AMD CPU and AMD PSP. 599 600 You should say Y if running on an AMD system equipped with the PSP. 601 602config I2C_DESIGNWARE_BAYTRAIL 603 bool "Intel Baytrail I2C semaphore support" 604 depends on ACPI 605 depends on I2C_DESIGNWARE_PLATFORM 606 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 607 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 608 help 609 This driver enables managed host access to the PMIC I2C bus on select 610 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 611 the host to request uninterrupted access to the PMIC's I2C bus from 612 the platform firmware controlling it. You should say Y if running on 613 a BayTrail system using the AXP288. 614 615config I2C_DESIGNWARE_PCI 616 tristate "Synopsys DesignWare PCI" 617 depends on PCI 618 select I2C_DESIGNWARE_CORE 619 select I2C_CCGX_UCSI 620 help 621 If you say yes to this option, support will be included for the 622 Synopsys DesignWare I2C adapter. Only master mode is supported. 623 624 This driver can also be built as a module. If so, the module 625 will be called i2c-designware-pci. 626 627config I2C_DIGICOLOR 628 tristate "Conexant Digicolor I2C driver" 629 depends on ARCH_DIGICOLOR || COMPILE_TEST 630 help 631 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 632 633 This driver can also be built as a module. If so, the module 634 will be called i2c-digicolor. 635 636config I2C_EG20T 637 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 638 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 639 help 640 This driver is for PCH(Platform controller Hub) I2C of EG20T which 641 is an IOH(Input/Output Hub) for x86 embedded processor. 642 This driver can access PCH I2C bus device. 643 644 This driver also can be used for LAPIS Semiconductor IOH(Input/ 645 Output Hub), ML7213, ML7223 and ML7831. 646 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 647 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 648 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 649 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 650 651config I2C_EMEV2 652 tristate "EMMA Mobile series I2C adapter" 653 depends on HAVE_CLK 654 select I2C_SLAVE 655 help 656 If you say yes to this option, support will be included for the 657 I2C interface on the Renesas Electronics EM/EV family of processors. 658 659config I2C_EXYNOS5 660 tristate "Exynos high-speed I2C driver" 661 depends on OF 662 depends on ARCH_EXYNOS || COMPILE_TEST 663 default y if ARCH_EXYNOS 664 help 665 High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs: 666 Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800, 667 Exynos5433, Exynos7, Exynos850 and ExynosAutoV9. 668 Choose Y here only if you build for such Samsung SoC. 669 670config I2C_GPIO 671 tristate "GPIO-based bitbanging I2C" 672 depends on GPIOLIB || COMPILE_TEST 673 select I2C_ALGOBIT 674 help 675 This is a very simple bitbanging I2C driver utilizing the 676 arch-neutral GPIO API to control the SCL and SDA lines. 677 678config I2C_GPIO_FAULT_INJECTOR 679 bool "GPIO-based fault injector" 680 depends on I2C_GPIO 681 help 682 This adds some functionality to the i2c-gpio driver which can inject 683 faults to an I2C bus, so another bus master can be stress-tested. 684 This is for debugging. If unsure, say 'no'. 685 686config I2C_GXP 687 tristate "GXP I2C Interface" 688 depends on ARCH_HPE_GXP || COMPILE_TEST 689 help 690 This enables support for GXP I2C interface. The I2C engines can be 691 either I2C master or I2C slaves. 692 693config I2C_HIGHLANDER 694 tristate "Highlander FPGA SMBus interface" 695 depends on SH_HIGHLANDER || COMPILE_TEST 696 help 697 If you say yes to this option, support will be included for 698 the SMBus interface located in the FPGA on various Highlander 699 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 700 FPGAs. This is wholly unrelated to the SoC I2C. 701 702 This driver can also be built as a module. If so, the module 703 will be called i2c-highlander. 704 705config I2C_HISI 706 tristate "HiSilicon I2C controller" 707 depends on ARM64 || COMPILE_TEST 708 help 709 Say Y here if you want to have Hisilicon I2C controller support 710 available on the Kunpeng Server. 711 712 This driver can also be built as a module. If so, the module 713 will be called i2c-hisi. 714 715config I2C_IBM_IIC 716 tristate "IBM PPC 4xx on-chip I2C interface" 717 depends on 4xx 718 help 719 Say Y here if you want to use IIC peripheral found on 720 embedded IBM PPC 4xx based systems. 721 722 This driver can also be built as a module. If so, the module 723 will be called i2c-ibm_iic. 724 725config I2C_IMG 726 tristate "Imagination Technologies I2C SCB Controller" 727 depends on MIPS || COMPILE_TEST 728 help 729 Say Y here if you want to use the IMG I2C SCB controller, 730 available on the TZ1090 and other IMG SoCs. 731 732 This driver can also be built as a module. If so, the module 733 will be called i2c-img-scb. 734 735config I2C_IMX 736 tristate "IMX I2C interface" 737 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST 738 select I2C_SLAVE 739 help 740 Say Y here if you want to use the IIC bus controller on 741 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 742 743 This driver can also be built as a module. If so, the module 744 will be called i2c-imx. 745 746config I2C_IMX_LPI2C 747 tristate "IMX Low Power I2C interface" 748 depends on ARCH_MXC || COMPILE_TEST 749 help 750 Say Y here if you want to use the Low Power IIC bus controller 751 on the Freescale i.MX processors. 752 753 This driver can also be built as a module. If so, the module 754 will be called i2c-imx-lpi2c. 755 756config I2C_IOP3XX 757 tristate "Intel IXP4xx on-chip I2C interface" 758 depends on ARCH_IXP4XX || COMPILE_TEST 759 help 760 Say Y here if you want to use the IIC bus controller on 761 the Intel IXP4xx Network Processors. 762 763 This driver can also be built as a module. If so, the module 764 will be called i2c-iop3xx. 765 766config I2C_JZ4780 767 tristate "JZ4780 I2C controller interface support" 768 depends on MIPS || COMPILE_TEST 769 help 770 If you say yes to this option, support will be included for the 771 Ingenic JZ4780 I2C controller. 772 773 If you don't know what to do here, say N. 774 775config I2C_KEMPLD 776 tristate "Kontron COM I2C Controller" 777 depends on MFD_KEMPLD 778 help 779 This enables support for the I2C bus interface on some Kontron ETX 780 and COMexpress (ETXexpress) modules. 781 782 This driver can also be built as a module. If so, the module 783 will be called i2c-kempld. 784 785config I2C_LPC2K 786 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 787 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 788 help 789 This driver supports the I2C interface found several NXP 790 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 791 792 This driver can also be built as a module. If so, the module 793 will be called i2c-lpc2k. 794 795config I2C_LS2X 796 tristate "Loongson LS2X I2C adapter" 797 depends on MACH_LOONGSON64 || COMPILE_TEST 798 help 799 If you say yes to this option, support will be included for the 800 I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge 801 chip. 802 803 This driver can also be built as a module. If so, the module 804 will be called i2c-ls2x. 805 806config I2C_MLXBF 807 tristate "Mellanox BlueField I2C controller" 808 depends on MELLANOX_PLATFORM && ARM64 809 depends on ACPI 810 select I2C_SLAVE 811 help 812 Enabling this option will add I2C SMBus support for Mellanox BlueField 813 system. 814 815 This driver can also be built as a module. If so, the module will be 816 called i2c-mlxbf. 817 818 This driver implements an I2C SMBus host controller and enables both 819 master and slave functions. 820 821config I2C_MESON 822 tristate "Amlogic Meson I2C controller" 823 depends on ARCH_MESON || COMPILE_TEST 824 depends on COMMON_CLK 825 help 826 If you say yes to this option, support will be included for the 827 I2C interface on the Amlogic Meson family of SoCs. 828 829config I2C_MICROCHIP_CORE 830 tristate "Microchip FPGA I2C controller" 831 depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST 832 depends on OF 833 help 834 If you say yes to this option, support will be included for the 835 I2C interface on Microchip FPGAs. 836 837 This driver can also be built as a module. If so, the module will be 838 called i2c-microchip-core. 839 840config I2C_MPC 841 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 842 depends on PPC 843 help 844 If you say yes to this option, support will be included for the 845 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 846 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 847 848 This driver can also be built as a module. If so, the module 849 will be called i2c-mpc. 850 851config I2C_MT65XX 852 tristate "MediaTek I2C adapter" 853 depends on ARCH_MEDIATEK || COMPILE_TEST 854 help 855 This selects the MediaTek(R) Integrated Inter Circuit bus driver 856 for MT65xx and MT81xx. 857 If you want to use MediaTek(R) I2C interface, say Y or M here. 858 If unsure, say N. 859 860config I2C_MT7621 861 tristate "MT7621/MT7628 I2C Controller" 862 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST 863 help 864 Say Y here to include support for I2C controller in the 865 MediaTek MT7621/MT7628 SoCs. 866 867config I2C_MV64XXX 868 tristate "Marvell mv64xxx I2C Controller" 869 depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST 870 help 871 If you say yes to this option, support will be included for the 872 built-in I2C interface on the Marvell 64xxx line of host bridges. 873 This driver is also used for Allwinner SoCs I2C controllers. 874 875 This driver can also be built as a module. If so, the module 876 will be called i2c-mv64xxx. 877 878config I2C_MXS 879 tristate "Freescale i.MX28 I2C interface" 880 depends on SOC_IMX28 || COMPILE_TEST 881 select STMP_DEVICE 882 help 883 Say Y here if you want to use the I2C bus controller on 884 the Freescale i.MX28 processors. 885 886 This driver can also be built as a module. If so, the module 887 will be called i2c-mxs. 888 889config I2C_NOMADIK 890 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 891 depends on ARM_AMBA 892 help 893 If you say yes to this option, support will be included for the 894 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 895 as well as the STA2X11 PCIe I/O HUB. 896 897config I2C_NPCM 898 tristate "Nuvoton I2C Controller" 899 depends on ARCH_NPCM || COMPILE_TEST 900 help 901 If you say yes to this option, support will be included for the 902 Nuvoton I2C controller, which is available on the NPCM BMC 903 controllers. 904 Driver can also support slave mode (select I2C_SLAVE). 905 906config I2C_OCORES 907 tristate "OpenCores I2C Controller" 908 help 909 If you say yes to this option, support will be included for the 910 OpenCores I2C controller. For details see 911 http://www.opencores.org/projects.cgi/web/i2c/overview 912 913 This driver can also be built as a module. If so, the module 914 will be called i2c-ocores. 915 916config I2C_OMAP 917 tristate "OMAP I2C adapter" 918 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST 919 default MACH_OMAP_OSK 920 help 921 If you say yes to this option, support will be included for the 922 I2C interface on the Texas Instruments OMAP1/2 family of processors. 923 Like OMAP1510/1610/1710/5912 and OMAP242x. 924 For details see http://www.ti.com/omap. 925 926config I2C_OWL 927 tristate "Actions Semiconductor Owl I2C Controller" 928 depends on ARCH_ACTIONS || COMPILE_TEST 929 help 930 Say Y here if you want to use the I2C bus controller on 931 the Actions Semiconductor Owl SoC's. 932 933config I2C_PASEMI 934 tristate "PA Semi SMBus interface" 935 depends on PPC_PASEMI && PCI 936 help 937 Supports the PA Semi PWRficient on-chip SMBus interfaces. 938 939config I2C_APPLE 940 tristate "Apple SMBus platform driver" 941 depends on !I2C_PASEMI 942 depends on ARCH_APPLE || COMPILE_TEST 943 default ARCH_APPLE 944 help 945 Say Y here if you want to use the I2C controller present on Apple 946 Silicon chips such as the M1. 947 948 This driver can also be built as a module. If so, the module 949 will be called i2c-apple. 950 951config I2C_PCA_PLATFORM 952 tristate "PCA9564/PCA9665 as platform device" 953 select I2C_ALGOPCA 954 help 955 This driver supports a memory mapped Philips PCA9564/PCA9665 956 parallel bus to I2C bus controller. 957 958 This driver can also be built as a module. If so, the module 959 will be called i2c-pca-platform. 960 961config I2C_PNX 962 tristate "I2C bus support for Philips PNX and NXP LPC targets" 963 depends on ARCH_LPC32XX || COMPILE_TEST 964 help 965 This driver supports the Philips IP3204 I2C IP block master and/or 966 slave controller 967 968 This driver can also be built as a module. If so, the module 969 will be called i2c-pnx. 970 971config I2C_PXA 972 tristate "Intel PXA2XX I2C adapter" 973 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST 974 help 975 If you have devices in the PXA I2C bus, say yes to this option. 976 This driver can also be built as a module. If so, the module 977 will be called i2c-pxa. 978 979config I2C_PXA_PCI 980 def_bool I2C_PXA && X86_32 && PCI && OF 981 982config I2C_PXA_SLAVE 983 bool "Intel PXA2XX I2C Slave comms support" 984 depends on I2C_PXA && !X86_32 985 select I2C_SLAVE 986 help 987 Support I2C slave mode communications on the PXA I2C bus. This 988 is necessary for systems where the PXA may be a target on the 989 I2C bus. 990 991config I2C_QCOM_CCI 992 tristate "Qualcomm Camera Control Interface" 993 depends on ARCH_QCOM || COMPILE_TEST 994 help 995 If you say yes to this option, support will be included for the 996 built-in camera control interface on the Qualcomm SoCs. 997 998 This driver can also be built as a module. If so, the module 999 will be called i2c-qcom-cci. 1000 1001config I2C_QCOM_GENI 1002 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 1003 depends on ARCH_QCOM || COMPILE_TEST 1004 depends on QCOM_GENI_SE 1005 help 1006 This driver supports GENI serial engine based I2C controller in 1007 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 1008 yes to this option, support will be included for the built-in I2C 1009 interface on the Qualcomm Technologies Inc.'s SoCs. 1010 1011 This driver can also be built as a module. If so, the module 1012 will be called i2c-qcom-geni. 1013 1014config I2C_QUP 1015 tristate "Qualcomm QUP based I2C controller" 1016 depends on ARCH_QCOM || COMPILE_TEST 1017 help 1018 If you say yes to this option, support will be included for the 1019 built-in I2C interface on the Qualcomm SoCs. 1020 1021 This driver can also be built as a module. If so, the module 1022 will be called i2c-qup. 1023 1024config I2C_RIIC 1025 tristate "Renesas RIIC adapter" 1026 depends on ARCH_RENESAS || COMPILE_TEST 1027 help 1028 If you say yes to this option, support will be included for the 1029 Renesas RIIC I2C interface. 1030 1031 This driver can also be built as a module. If so, the module 1032 will be called i2c-riic. 1033 1034config I2C_RK3X 1035 tristate "Rockchip RK3xxx I2C adapter" 1036 depends on OF && COMMON_CLK 1037 help 1038 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 1039 SoCs. 1040 1041 This driver can also be built as a module. If so, the module will 1042 be called i2c-rk3x. 1043 1044config I2C_RZV2M 1045 tristate "Renesas RZ/V2M adapter" 1046 depends on ARCH_RENESAS || COMPILE_TEST 1047 help 1048 If you say yes to this option, support will be included for the 1049 Renesas RZ/V2M I2C interface. 1050 1051 This driver can also be built as a module. If so, the module 1052 will be called i2c-rzv2m. 1053 1054config I2C_S3C2410 1055 tristate "S3C/Exynos I2C Driver" 1056 depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 1057 help 1058 Say Y here to include support for I2C controller in the 1059 Samsung SoCs (S3C, S5Pv210, Exynos). 1060 1061config I2C_SH7760 1062 tristate "Renesas SH7760 I2C Controller" 1063 depends on CPU_SUBTYPE_SH7760 1064 help 1065 This driver supports the 2 I2C interfaces on the Renesas SH7760. 1066 1067 This driver can also be built as a module. If so, the module 1068 will be called i2c-sh7760. 1069 1070config I2C_SH_MOBILE 1071 tristate "SuperH Mobile I2C Controller" 1072 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 1073 help 1074 If you say yes to this option, support will be included for the 1075 built-in I2C interface on the Renesas SH-Mobile processor. 1076 1077 This driver can also be built as a module. If so, the module 1078 will be called i2c-sh_mobile. 1079 1080config I2C_SIMTEC 1081 tristate "Simtec Generic I2C interface" 1082 select I2C_ALGOBIT 1083 help 1084 If you say yes to this option, support will be included for 1085 the Simtec Generic I2C interface. This driver is for the 1086 simple I2C bus used on newer Simtec products for general 1087 I2C, such as DDC on the Simtec BBD2016A. 1088 1089 This driver can also be built as a module. If so, the module 1090 will be called i2c-simtec. 1091 1092config I2C_SPRD 1093 tristate "Spreadtrum I2C interface" 1094 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST) 1095 depends on COMMON_CLK 1096 help 1097 If you say yes to this option, support will be included for the 1098 Spreadtrum I2C interface. 1099 1100config I2C_ST 1101 tristate "STMicroelectronics SSC I2C support" 1102 depends on ARCH_STI || COMPILE_TEST 1103 help 1104 Enable this option to add support for STMicroelectronics SoCs 1105 hardware SSC (Synchronous Serial Controller) as an I2C controller. 1106 1107 This driver can also be built as module. If so, the module 1108 will be called i2c-st. 1109 1110config I2C_STM32F4 1111 tristate "STMicroelectronics STM32F4 I2C support" 1112 depends on ARCH_STM32 || COMPILE_TEST 1113 help 1114 Enable this option to add support for STM32 I2C controller embedded 1115 in STM32F4 SoCs. 1116 1117 This driver can also be built as module. If so, the module 1118 will be called i2c-stm32f4. 1119 1120config I2C_STM32F7 1121 tristate "STMicroelectronics STM32F7 I2C support" 1122 depends on ARCH_STM32 || COMPILE_TEST 1123 select I2C_SLAVE 1124 select I2C_SMBUS 1125 help 1126 Enable this option to add support for STM32 I2C controller embedded 1127 in STM32F7 SoCs. 1128 1129 This driver can also be built as module. If so, the module 1130 will be called i2c-stm32f7. 1131 1132config I2C_SUN6I_P2WI 1133 tristate "Allwinner sun6i internal P2WI controller" 1134 depends on RESET_CONTROLLER 1135 depends on MACH_SUN6I || COMPILE_TEST 1136 help 1137 If you say yes to this option, support will be included for the 1138 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1139 SOCs. 1140 The P2WI looks like an SMBus controller (which supports only byte 1141 accesses), except that it only supports one slave device. 1142 This interface is used to connect to specific PMIC devices (like the 1143 AXP221). 1144 1145config I2C_SYNQUACER 1146 tristate "Socionext SynQuacer I2C controller" 1147 depends on ARCH_SYNQUACER || COMPILE_TEST 1148 help 1149 Say Y here to include support for the I2C controller used in some 1150 Fujitsu and Socionext SoCs. 1151 1152 This driver can also be built as a module. If so, the module 1153 will be called i2c-synquacer. 1154 1155config I2C_TEGRA 1156 tristate "NVIDIA Tegra internal I2C controller" 1157 depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC)) 1158 # COMPILE_TEST needs architectures with readsX()/writesX() primitives 1159 help 1160 If you say yes to this option, support will be included for the 1161 I2C controller embedded in NVIDIA Tegra SOCs 1162 1163config I2C_TEGRA_BPMP 1164 tristate "NVIDIA Tegra BPMP I2C controller" 1165 depends on TEGRA_BPMP || COMPILE_TEST 1166 default y if TEGRA_BPMP 1167 help 1168 If you say yes to this option, support will be included for the I2C 1169 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1170 1171 This I2C driver is a 'virtual' I2C driver. The real driver is part 1172 of the BPMP firmware, and this driver merely communicates with that 1173 real driver. 1174 1175config I2C_UNIPHIER 1176 tristate "UniPhier FIFO-less I2C controller" 1177 depends on ARCH_UNIPHIER || COMPILE_TEST 1178 help 1179 If you say yes to this option, support will be included for 1180 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1181 or older UniPhier SoCs. 1182 1183config I2C_UNIPHIER_F 1184 tristate "UniPhier FIFO-builtin I2C controller" 1185 depends on ARCH_UNIPHIER || COMPILE_TEST 1186 help 1187 If you say yes to this option, support will be included for 1188 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1189 PH1-Pro5, or newer UniPhier SoCs. 1190 1191config I2C_VERSATILE 1192 tristate "ARM Versatile/Realview I2C bus support" 1193 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1194 select I2C_ALGOBIT 1195 help 1196 Say yes if you want to support the I2C serial bus on ARMs Versatile 1197 range of platforms. 1198 1199 This driver can also be built as a module. If so, the module 1200 will be called i2c-versatile. 1201 1202config I2C_WMT 1203 tristate "Wondermedia WM8xxx SoC I2C bus support" 1204 depends on ARCH_VT8500 || COMPILE_TEST 1205 help 1206 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1207 SoCs. 1208 1209 This driver can also be built as a module. If so, the module will be 1210 called i2c-wmt. 1211 1212config I2C_OCTEON 1213 tristate "Cavium OCTEON I2C bus support" 1214 depends on CAVIUM_OCTEON_SOC 1215 help 1216 Say yes if you want to support the I2C serial bus on Cavium 1217 OCTEON SOC. 1218 1219 This driver can also be built as a module. If so, the module 1220 will be called i2c-octeon. 1221 1222config I2C_THUNDERX 1223 tristate "Cavium ThunderX I2C bus support" 1224 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1225 select I2C_SMBUS 1226 help 1227 Say yes if you want to support the I2C serial bus on Cavium 1228 ThunderX SOC. 1229 1230 This driver can also be built as a module. If so, the module 1231 will be called i2c-thunderx. 1232 1233config I2C_XILINX 1234 tristate "Xilinx I2C Controller" 1235 depends on HAS_IOMEM 1236 help 1237 If you say yes to this option, support will be included for the 1238 Xilinx I2C controller. 1239 1240 This driver can also be built as a module. If so, the module 1241 will be called xilinx_i2c. 1242 1243config I2C_XLP9XX 1244 tristate "Cavium ThunderX2 I2C support" 1245 depends on ARCH_THUNDER2 || COMPILE_TEST 1246 help 1247 This driver enables support for the on-chip I2C interface of 1248 the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.) 1249 1250 This driver can also be built as a module. If so, the module will 1251 be called i2c-xlp9xx. 1252 1253config I2C_RCAR 1254 tristate "Renesas R-Car I2C Controller" 1255 depends on ARCH_RENESAS || COMPILE_TEST 1256 select I2C_SLAVE 1257 select I2C_SMBUS 1258 select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4 1259 help 1260 If you say yes to this option, support will be included for the 1261 R-Car I2C controller. 1262 1263 This driver can also be built as a module. If so, the module 1264 will be called i2c-rcar. 1265 1266comment "External I2C/SMBus adapter drivers" 1267 1268config I2C_DIOLAN_U2C 1269 tristate "Diolan U2C-12 USB adapter" 1270 depends on USB 1271 help 1272 If you say yes to this option, support will be included for Diolan 1273 U2C-12, a USB to I2C interface. 1274 1275 This driver can also be built as a module. If so, the module 1276 will be called i2c-diolan-u2c. 1277 1278config I2C_DLN2 1279 tristate "Diolan DLN-2 USB I2C adapter" 1280 depends on MFD_DLN2 1281 help 1282 If you say yes to this option, support will be included for Diolan 1283 DLN2, a USB to I2C interface. 1284 1285 This driver can also be built as a module. If so, the module 1286 will be called i2c-dln2. 1287 1288config I2C_LJCA 1289 tristate "I2C functionality of Intel La Jolla Cove Adapter" 1290 depends on USB_LJCA 1291 default USB_LJCA 1292 help 1293 If you say yes to this option, I2C functionality support of Intel 1294 La Jolla Cove Adapter (LJCA) will be included. 1295 1296 This driver can also be built as a module. If so, the module 1297 will be called i2c-ljca. 1298 1299config I2C_CP2615 1300 tristate "Silicon Labs CP2615 USB sound card and I2C adapter" 1301 depends on USB 1302 help 1303 If you say yes to this option, support will be included for Silicon 1304 Labs CP2615's I2C interface. 1305 1306 This driver can also be built as a module. If so, the module 1307 will be called i2c-cp2615. 1308 1309config I2C_PARPORT 1310 tristate "Parallel port adapter" 1311 depends on PARPORT 1312 select I2C_ALGOBIT 1313 select I2C_SMBUS 1314 help 1315 This supports parallel port I2C adapters such as the ones made by 1316 Philips or Velleman, Analog Devices evaluation boards, and more. 1317 Basically any adapter using the parallel port as an I2C bus with 1318 no extra chipset is supported by this driver, or could be. Please 1319 read the file Documentation/i2c/busses/i2c-parport.rst for details. 1320 1321 This support is also available as a module. If so, the module 1322 will be called i2c-parport. 1323 1324config I2C_PCI1XXXX 1325 tristate "PCI1XXXX I2C Host Adapter" 1326 depends on PCI 1327 help 1328 If you say yes to this option, support will be included for 1329 Microchip PCI1XXXX's I2C interface. 1330 1331 This driver can also be built as a module. If so, the module will 1332 be called i2c-mchp-pci1xxxx. 1333 1334config I2C_ROBOTFUZZ_OSIF 1335 tristate "RobotFuzz Open Source InterFace USB adapter" 1336 depends on USB 1337 help 1338 If you say yes to this option, support will be included for the 1339 RobotFuzz Open Source InterFace USB to I2C interface. 1340 1341 This driver can also be built as a module. If so, the module 1342 will be called i2c-osif. 1343 1344config I2C_TAOS_EVM 1345 tristate "TAOS evaluation module" 1346 depends on TTY 1347 select SERIO 1348 select SERIO_SERPORT 1349 help 1350 This supports TAOS evaluation modules on serial port. In order to 1351 use this driver, you will need the inputattach tool, which is part 1352 of the input-utils package. 1353 1354 If unsure, say N. 1355 1356 This support is also available as a module. If so, the module 1357 will be called i2c-taos-evm. 1358 1359config I2C_TINY_USB 1360 tristate "Tiny-USB adapter" 1361 depends on USB 1362 help 1363 If you say yes to this option, support will be included for the 1364 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1365 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1366 1367 This driver can also be built as a module. If so, the module 1368 will be called i2c-tiny-usb. 1369 1370config I2C_VIPERBOARD 1371 tristate "Viperboard I2C master support" 1372 depends on MFD_VIPERBOARD && USB 1373 help 1374 Say yes here to access the I2C part of the Nano River 1375 Technologies Viperboard as I2C master. 1376 See viperboard API specification and Nano 1377 River Tech's viperboard.h for detailed meaning 1378 of the module parameters. 1379 1380comment "Other I2C/SMBus bus drivers" 1381 1382config I2C_ACORN 1383 tristate "Acorn IOC/IOMD I2C bus support" 1384 depends on ARCH_ACORN 1385 default y 1386 select I2C_ALGOBIT 1387 help 1388 Say yes if you want to support the I2C bus on Acorn platforms. 1389 1390 If you don't know, say Y. 1391 1392config I2C_ELEKTOR 1393 tristate "Elektor ISA card" 1394 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1395 select I2C_ALGOPCF 1396 help 1397 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1398 such an adapter. 1399 1400 This support is also available as a module. If so, the module 1401 will be called i2c-elektor. 1402 1403config I2C_ICY 1404 tristate "ICY Zorro card" 1405 depends on ZORRO 1406 select I2C_ALGOPCF 1407 help 1408 This supports the PCF8584 Zorro bus I2C adapter, known as ICY. 1409 Say Y if you own such an adapter. 1410 1411 This support is also available as a module. If so, the module 1412 will be called i2c-icy. 1413 1414 If you have a 2019 edition board with an LTC2990 sensor at address 1415 0x4c, loading the module 'ltc2990' is sufficient to enable it. 1416 1417config I2C_MLXCPLD 1418 tristate "Mellanox I2C driver" 1419 depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST 1420 depends on HAS_IOPORT 1421 help 1422 This exposes the Mellanox platform I2C busses to the linux I2C layer 1423 for X86 and ARM64/ACPI based systems. 1424 Controller is implemented as CPLD logic. 1425 1426 This driver can also be built as a module. If so, the module will be 1427 called as i2c-mlxcpld. 1428 1429config I2C_PCA_ISA 1430 tristate "PCA9564/PCA9665 on an ISA bus" 1431 depends on ISA 1432 select I2C_ALGOPCA 1433 help 1434 This driver supports ISA boards using the Philips PCA9564/PCA9665 1435 parallel bus to I2C bus controller. 1436 1437 This driver can also be built as a module. If so, the module 1438 will be called i2c-pca-isa. 1439 1440 This device is almost undetectable and using this driver on a 1441 system which doesn't have this device will result in long 1442 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1443 time). If unsure, say N. 1444 1445config I2C_SIBYTE 1446 tristate "SiByte SMBus interface" 1447 depends on SIBYTE_SB1xxx_SOC 1448 help 1449 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1450 1451config I2C_CROS_EC_TUNNEL 1452 tristate "ChromeOS EC tunnel I2C bus" 1453 depends on CROS_EC 1454 help 1455 If you say yes here you get an I2C bus that will tunnel i2c commands 1456 through to the other side of the ChromeOS EC to the i2c bus 1457 connected there. This will work whatever the interface used to 1458 talk to the EC (SPI, I2C or LPC). 1459 1460config I2C_XGENE_SLIMPRO 1461 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1462 depends on ARCH_XGENE && MAILBOX 1463 help 1464 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1465 co-processor. The I2C device access the I2C bus via the X-Gene 1466 to SLIMpro (On chip coprocessor) mailbox mechanism. 1467 If unsure, say N. 1468 1469config SCx200_ACB 1470 tristate "Geode ACCESS.bus support" 1471 depends on X86_32 && PCI 1472 help 1473 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1474 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1475 1476 If you don't know what to do here, say N. 1477 1478 This support is also available as a module. If so, the module 1479 will be called scx200_acb. 1480 1481config I2C_OPAL 1482 tristate "IBM OPAL I2C driver" 1483 depends on PPC_POWERNV 1484 default y 1485 help 1486 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1487 the driver is based on the OPAL interfaces. 1488 1489 This driver can also be built as a module. If so, the module will be 1490 called as i2c-opal. 1491 1492config I2C_FSI 1493 tristate "FSI I2C driver" 1494 depends on FSI 1495 help 1496 Driver for FSI bus attached I2C masters. These are I2C masters that 1497 are connected to the system over an FSI bus, instead of the more 1498 common PCI or MMIO interface. 1499 1500 This driver can also be built as a module. If so, the module will be 1501 called as i2c-fsi. 1502 1503config I2C_VIRTIO 1504 tristate "Virtio I2C Adapter" 1505 select VIRTIO 1506 help 1507 If you say yes to this option, support will be included for the virtio 1508 I2C adapter driver. The hardware can be emulated by any device model 1509 software according to the virtio protocol. 1510 1511 This driver can also be built as a module. If so, the module 1512 will be called i2c-virtio. 1513 1514endmenu 1515