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 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 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 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 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 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 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) 161 162 This driver can also be built as a module. If so, the module 163 will be called i2c-i801. 164 165config I2C_ISCH 166 tristate "Intel SCH SMBus 1.0" 167 depends on PCI 168 select LPC_SCH 169 help 170 Say Y here if you want to use SMBus controller on the Intel SCH 171 based systems. 172 173 This driver can also be built as a module. If so, the module 174 will be called i2c-isch. 175 176config I2C_ISMT 177 tristate "Intel iSMT SMBus Controller" 178 depends on PCI && X86 179 help 180 If you say yes to this option, support will be included for the Intel 181 iSMT SMBus host controller interface. 182 183 This driver can also be built as a module. If so, the module will be 184 called i2c-ismt. 185 186config I2C_PIIX4 187 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 188 depends on PCI 189 help 190 If you say yes to this option, support will be included for the Intel 191 PIIX4 family of mainboard I2C interfaces. Specifically, the following 192 versions of the chipset are supported (note that Serverworks is part 193 of Broadcom): 194 Intel PIIX4 195 Intel 440MX 196 ATI IXP200 197 ATI IXP300 198 ATI IXP400 199 ATI SB600 200 ATI SB700/SP5100 201 ATI SB800 202 AMD Hudson-2 203 AMD ML 204 AMD CZ 205 Hygon CZ 206 Serverworks OSB4 207 Serverworks CSB5 208 Serverworks CSB6 209 Serverworks HT-1000 210 Serverworks HT-1100 211 SMSC Victory66 212 213 Some AMD chipsets contain two PIIX4-compatible SMBus 214 controllers. This driver will attempt to use both controllers 215 on the SB700/SP5100, if they have been initialized by the BIOS. 216 217 This driver can also be built as a module. If so, the module 218 will be called i2c-piix4. 219 220config I2C_CHT_WC 221 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 222 depends on INTEL_SOC_PMIC_CHTWC 223 help 224 If you say yes to this option, support will be included for the 225 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 226 found on some Intel Cherry Trail systems. 227 228 Note this controller is hooked up to a TI bq24292i charger-IC, 229 combined with a FUSB302 Type-C port-controller as such it is advised 230 to also select CONFIG_TYPEC_FUSB302=m. 231 232config I2C_NFORCE2 233 tristate "Nvidia nForce2, nForce3 and nForce4" 234 depends on PCI 235 help 236 If you say yes to this option, support will be included for the Nvidia 237 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 238 239 This driver can also be built as a module. If so, the module 240 will be called i2c-nforce2. 241 242config I2C_NFORCE2_S4985 243 tristate "SMBus multiplexing on the Tyan S4985" 244 depends on I2C_NFORCE2 && X86 245 help 246 Enabling this option will add specific SMBus support for the Tyan 247 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed 248 over 4 different channels, where the various memory module EEPROMs 249 live. Saying yes here will give you access to these in addition 250 to the trunk. 251 252 This driver can also be built as a module. If so, the module 253 will be called i2c-nforce2-s4985. 254 255config I2C_NVIDIA_GPU 256 tristate "NVIDIA GPU I2C controller" 257 depends on PCI 258 select I2C_CCGX_UCSI 259 help 260 If you say yes to this option, support will be included for the 261 NVIDIA GPU I2C controller which is used to communicate with the GPU's 262 Type-C controller. This driver can also be built as a module called 263 i2c-nvidia-gpu. 264 265config I2C_SIS5595 266 tristate "SiS 5595" 267 depends on PCI 268 help 269 If you say yes to this option, support will be included for the 270 SiS5595 SMBus (a subset of I2C) interface. 271 272 This driver can also be built as a module. If so, the module 273 will be called i2c-sis5595. 274 275config I2C_SIS630 276 tristate "SiS 630/730/964" 277 depends on PCI 278 help 279 If you say yes to this option, support will be included for the 280 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 281 282 This driver can also be built as a module. If so, the module 283 will be called i2c-sis630. 284 285config I2C_SIS96X 286 tristate "SiS 96x" 287 depends on PCI 288 help 289 If you say yes to this option, support will be included for the SiS 290 96x SMBus (a subset of I2C) interfaces. Specifically, the following 291 chipsets are supported: 292 645/961 293 645DX/961 294 645DX/962 295 648/961 296 650/961 297 735 298 745 299 300 This driver can also be built as a module. If so, the module 301 will be called i2c-sis96x. 302 303config I2C_VIA 304 tristate "VIA VT82C586B" 305 depends on PCI 306 select I2C_ALGOBIT 307 help 308 If you say yes to this option, support will be included for the VIA 309 82C586B I2C interface 310 311 This driver can also be built as a module. If so, the module 312 will be called i2c-via. 313 314config I2C_VIAPRO 315 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 316 depends on PCI 317 help 318 If you say yes to this option, support will be included for the VIA 319 VT82C596 and later SMBus interface. Specifically, the following 320 chipsets are supported: 321 VT82C596A/B 322 VT82C686A/B 323 VT8231 324 VT8233/A 325 VT8235 326 VT8237R/A/S 327 VT8251 328 CX700 329 VX800/VX820 330 VX855/VX875 331 VX900 332 333 This driver can also be built as a module. If so, the module 334 will be called i2c-viapro. 335 336if ACPI 337 338comment "ACPI drivers" 339 340config I2C_SCMI 341 tristate "SMBus Control Method Interface" 342 help 343 This driver supports the SMBus Control Method Interface. It needs the 344 BIOS to declare ACPI control methods as described in the SMBus Control 345 Method Interface specification. 346 347 To compile this driver as a module, choose M here: 348 the module will be called i2c-scmi. 349 350endif # ACPI 351 352comment "Mac SMBus host controller drivers" 353 depends on PPC_CHRP || PPC_PMAC 354 355config I2C_HYDRA 356 tristate "CHRP Apple Hydra Mac I/O I2C interface" 357 depends on PCI && PPC_CHRP 358 select I2C_ALGOBIT 359 help 360 This supports the use of the I2C interface in the Apple Hydra Mac 361 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 362 have such a machine. 363 364 This support is also available as a module. If so, the module 365 will be called i2c-hydra. 366 367config I2C_POWERMAC 368 tristate "Powermac I2C interface" 369 depends on PPC_PMAC 370 default y 371 help 372 This exposes the various PowerMac i2c interfaces to the linux i2c 373 layer and to userland. It is used by various drivers on the PowerMac 374 platform, and should generally be enabled. 375 376 This support is also available as a module. If so, the module 377 will be called i2c-powermac. 378 379comment "I2C system bus drivers (mostly embedded / system-on-chip)" 380 381config I2C_ALTERA 382 tristate "Altera Soft IP I2C" 383 depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST 384 depends on OF 385 help 386 If you say yes to this option, support will be included for the 387 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 388 389 This driver can also be built as a module. If so, the module 390 will be called i2c-altera. 391 392config I2C_ASPEED 393 tristate "Aspeed I2C Controller" 394 depends on ARCH_ASPEED || COMPILE_TEST 395 help 396 If you say yes to this option, support will be included for the 397 Aspeed I2C controller. 398 399 This driver can also be built as a module. If so, the module 400 will be called i2c-aspeed. 401 402config I2C_AT91 403 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 404 depends on ARCH_AT91 || COMPILE_TEST 405 help 406 This supports the use of the I2C interface on Atmel AT91 407 processors. 408 409 A serious problem is that there is no documented way to issue 410 repeated START conditions for more than two messages, as needed 411 to support combined I2C messages. Use the i2c-gpio driver 412 unless your system can cope with this limitation. 413 414 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 415 don't have clock stretching in transmission mode. For that reason, 416 you can encounter underrun issues causing premature stop sendings if 417 the latency to fill the transmission register is too long. If you 418 are facing this situation, use the i2c-gpio driver. 419 420config I2C_AT91_SLAVE_EXPERIMENTAL 421 tristate "Microchip AT91 I2C experimental slave mode" 422 depends on I2C_AT91 423 select I2C_SLAVE 424 help 425 If you say yes to this option, support for the slave mode will be 426 added. Caution: do not use it for production. This feature has not 427 been tested in a heavy way, help wanted. 428 There are known bugs: 429 - It can hang, on a SAMA5D4, after several transfers. 430 - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as 431 master. 432 433config I2C_AU1550 434 tristate "Au1550/Au1200/Au1300 SMBus interface" 435 depends on MIPS_ALCHEMY 436 help 437 If you say yes to this option, support will be included for the 438 Au1550/Au1200/Au1300 SMBus interface. 439 440 This driver can also be built as a module. If so, the module 441 will be called i2c-au1550. 442 443config I2C_AXXIA 444 tristate "Axxia I2C controller" 445 depends on ARCH_AXXIA || COMPILE_TEST 446 default ARCH_AXXIA 447 select I2C_SLAVE 448 help 449 Say yes if you want to support the I2C bus on Axxia platforms. 450 451 Please note that this controller is limited to transfers of maximum 452 255 bytes in length. Any attempt to to a larger transfer will return 453 an error. 454 455config I2C_BCM2835 456 tristate "Broadcom BCM2835 I2C controller" 457 depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST 458 depends on COMMON_CLK 459 help 460 If you say yes to this option, support will be included for the 461 BCM2835 I2C controller. 462 463 If you don't know what to do here, say N. 464 465 This support is also available as a module. If so, the module 466 will be called i2c-bcm2835. 467 468config I2C_BCM_IPROC 469 tristate "Broadcom iProc I2C controller" 470 depends on ARCH_BCM_IPROC || COMPILE_TEST 471 default ARCH_BCM_IPROC 472 select I2C_SLAVE 473 help 474 If you say yes to this option, support will be included for the 475 Broadcom iProc I2C controller. 476 477 If you don't know what to do here, say N. 478 479config I2C_BCM_KONA 480 tristate "BCM Kona I2C adapter" 481 depends on ARCH_BCM_MOBILE || COMPILE_TEST 482 default y if ARCH_BCM_MOBILE 483 help 484 If you say yes to this option, support will be included for the 485 I2C interface on the Broadcom Kona family of processors. 486 487 If you do not need KONA I2C interface, say N. 488 489config I2C_BRCMSTB 490 tristate "BRCM Settop/DSL I2C controller" 491 depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \ 492 BMIPS_GENERIC || COMPILE_TEST 493 default y 494 help 495 If you say yes to this option, support will be included for the 496 I2C interface on the Broadcom Settop/DSL SoCs. 497 498 If you do not need I2C interface, say N. 499 500config I2C_CADENCE 501 tristate "Cadence I2C Controller" 502 depends on ARCH_ZYNQ || ARM64 || XTENSA || COMPILE_TEST 503 help 504 Say yes here to select Cadence I2C Host Controller. This controller is 505 e.g. used by Xilinx Zynq. 506 507config I2C_CBUS_GPIO 508 tristate "CBUS I2C driver" 509 depends on GPIOLIB || COMPILE_TEST 510 help 511 Support for CBUS access using I2C API. Mostly relevant for Nokia 512 Internet Tablets (770, N800 and N810). 513 514 This driver can also be built as a module. If so, the module 515 will be called i2c-cbus-gpio. 516 517config I2C_CPM 518 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 519 depends on CPM1 || CPM2 520 help 521 This supports the use of the I2C interface on Freescale 522 processors with CPM1 or CPM2. 523 524 This driver can also be built as a module. If so, the module 525 will be called i2c-cpm. 526 527config I2C_DAVINCI 528 tristate "DaVinci I2C driver" 529 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 530 help 531 Support for TI DaVinci I2C controller driver. 532 533 This driver can also be built as a module. If so, the module 534 will be called i2c-davinci. 535 536 Please note that this driver might be needed to bring up other 537 devices such as DaVinci NIC. 538 For details please see http://www.ti.com/davinci 539 540config I2C_DESIGNWARE_CORE 541 tristate 542 select REGMAP 543 544config I2C_DESIGNWARE_SLAVE 545 bool "Synopsys DesignWare Slave" 546 depends on I2C_DESIGNWARE_CORE 547 select I2C_SLAVE 548 help 549 If you say yes to this option, support will be included for the 550 Synopsys DesignWare I2C slave adapter. 551 552 This is not a standalone module, this module compiles together with 553 i2c-designware-core. 554 555config I2C_DESIGNWARE_PLATFORM 556 tristate "Synopsys DesignWare Platform" 557 depends on (ACPI && COMMON_CLK) || !ACPI 558 select I2C_DESIGNWARE_CORE 559 select MFD_SYSCON if MIPS_BAIKAL_T1 560 help 561 If you say yes to this option, support will be included for the 562 Synopsys DesignWare I2C adapter. 563 564 This driver can also be built as a module. If so, the module 565 will be called i2c-designware-platform. 566 567config I2C_DESIGNWARE_AMDPSP 568 bool "AMD PSP I2C semaphore support" 569 depends on ACPI 570 depends on CRYPTO_DEV_SP_PSP 571 depends on PCI 572 depends on I2C_DESIGNWARE_PLATFORM 573 depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \ 574 (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD) 575 help 576 This driver enables managed host access to the selected I2C bus shared 577 between AMD CPU and AMD PSP. 578 579 You should say Y if running on an AMD system equipped with the PSP. 580 581config I2C_DESIGNWARE_BAYTRAIL 582 bool "Intel Baytrail I2C semaphore support" 583 depends on ACPI 584 depends on I2C_DESIGNWARE_PLATFORM 585 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 586 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 587 help 588 This driver enables managed host access to the PMIC I2C bus on select 589 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 590 the host to request uninterrupted access to the PMIC's I2C bus from 591 the platform firmware controlling it. You should say Y if running on 592 a BayTrail system using the AXP288. 593 594config I2C_DESIGNWARE_PCI 595 tristate "Synopsys DesignWare PCI" 596 depends on PCI 597 select I2C_DESIGNWARE_CORE 598 select I2C_CCGX_UCSI 599 help 600 If you say yes to this option, support will be included for the 601 Synopsys DesignWare I2C adapter. Only master mode is supported. 602 603 This driver can also be built as a module. If so, the module 604 will be called i2c-designware-pci. 605 606config I2C_DIGICOLOR 607 tristate "Conexant Digicolor I2C driver" 608 depends on ARCH_DIGICOLOR || COMPILE_TEST 609 help 610 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 611 612 This driver can also be built as a module. If so, the module 613 will be called i2c-digicolor. 614 615config I2C_EG20T 616 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 617 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 618 help 619 This driver is for PCH(Platform controller Hub) I2C of EG20T which 620 is an IOH(Input/Output Hub) for x86 embedded processor. 621 This driver can access PCH I2C bus device. 622 623 This driver also can be used for LAPIS Semiconductor IOH(Input/ 624 Output Hub), ML7213, ML7223 and ML7831. 625 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 626 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 627 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 628 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 629 630config I2C_EMEV2 631 tristate "EMMA Mobile series I2C adapter" 632 depends on HAVE_CLK 633 select I2C_SLAVE 634 help 635 If you say yes to this option, support will be included for the 636 I2C interface on the Renesas Electronics EM/EV family of processors. 637 638config I2C_EXYNOS5 639 tristate "Exynos high-speed I2C driver" 640 depends on OF 641 depends on ARCH_EXYNOS || COMPILE_TEST 642 default y if ARCH_EXYNOS 643 help 644 High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs: 645 Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800, 646 Exynos5433, Exynos7, Exynos850 and ExynosAutoV9. 647 Choose Y here only if you build for such Samsung SoC. 648 649config I2C_GPIO 650 tristate "GPIO-based bitbanging I2C" 651 depends on GPIOLIB || COMPILE_TEST 652 select I2C_ALGOBIT 653 help 654 This is a very simple bitbanging I2C driver utilizing the 655 arch-neutral GPIO API to control the SCL and SDA lines. 656 657config I2C_GPIO_FAULT_INJECTOR 658 bool "GPIO-based fault injector" 659 depends on I2C_GPIO 660 help 661 This adds some functionality to the i2c-gpio driver which can inject 662 faults to an I2C bus, so another bus master can be stress-tested. 663 This is for debugging. If unsure, say 'no'. 664 665config I2C_GXP 666 tristate "GXP I2C Interface" 667 depends on ARCH_HPE_GXP || COMPILE_TEST 668 help 669 This enables support for GXP I2C interface. The I2C engines can be 670 either I2C master or I2C slaves. 671 672config I2C_HIGHLANDER 673 tristate "Highlander FPGA SMBus interface" 674 depends on SH_HIGHLANDER || COMPILE_TEST 675 help 676 If you say yes to this option, support will be included for 677 the SMBus interface located in the FPGA on various Highlander 678 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 679 FPGAs. This is wholly unrelated to the SoC I2C. 680 681 This driver can also be built as a module. If so, the module 682 will be called i2c-highlander. 683 684config I2C_HISI 685 tristate "HiSilicon I2C controller" 686 depends on ARM64 || COMPILE_TEST 687 help 688 Say Y here if you want to have Hisilicon I2C controller support 689 available on the Kunpeng Server. 690 691 This driver can also be built as a module. If so, the module 692 will be called i2c-hisi. 693 694config I2C_IBM_IIC 695 tristate "IBM PPC 4xx on-chip I2C interface" 696 depends on 4xx 697 help 698 Say Y here if you want to use IIC peripheral found on 699 embedded IBM PPC 4xx based systems. 700 701 This driver can also be built as a module. If so, the module 702 will be called i2c-ibm_iic. 703 704config I2C_IMG 705 tristate "Imagination Technologies I2C SCB Controller" 706 depends on MIPS || COMPILE_TEST 707 help 708 Say Y here if you want to use the IMG I2C SCB controller, 709 available on the TZ1090 and other IMG SoCs. 710 711 This driver can also be built as a module. If so, the module 712 will be called i2c-img-scb. 713 714config I2C_IMX 715 tristate "IMX I2C interface" 716 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST 717 select I2C_SLAVE 718 help 719 Say Y here if you want to use the IIC bus controller on 720 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 721 722 This driver can also be built as a module. If so, the module 723 will be called i2c-imx. 724 725config I2C_IMX_LPI2C 726 tristate "IMX Low Power I2C interface" 727 depends on ARCH_MXC || COMPILE_TEST 728 help 729 Say Y here if you want to use the Low Power IIC bus controller 730 on the Freescale i.MX processors. 731 732 This driver can also be built as a module. If so, the module 733 will be called i2c-imx-lpi2c. 734 735config I2C_IOP3XX 736 tristate "Intel IXP4xx on-chip I2C interface" 737 depends on ARCH_IXP4XX || COMPILE_TEST 738 help 739 Say Y here if you want to use the IIC bus controller on 740 the Intel IXP4xx Network Processors. 741 742 This driver can also be built as a module. If so, the module 743 will be called i2c-iop3xx. 744 745config I2C_JZ4780 746 tristate "JZ4780 I2C controller interface support" 747 depends on MIPS || COMPILE_TEST 748 help 749 If you say yes to this option, support will be included for the 750 Ingenic JZ4780 I2C controller. 751 752 If you don't know what to do here, say N. 753 754config I2C_KEMPLD 755 tristate "Kontron COM I2C Controller" 756 depends on MFD_KEMPLD 757 help 758 This enables support for the I2C bus interface on some Kontron ETX 759 and COMexpress (ETXexpress) modules. 760 761 This driver can also be built as a module. If so, the module 762 will be called i2c-kempld. 763 764config I2C_LPC2K 765 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 766 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 767 help 768 This driver supports the I2C interface found several NXP 769 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 770 771 This driver can also be built as a module. If so, the module 772 will be called i2c-lpc2k. 773 774config I2C_LS2X 775 tristate "Loongson LS2X I2C adapter" 776 depends on MACH_LOONGSON64 || COMPILE_TEST 777 help 778 If you say yes to this option, support will be included for the 779 I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge 780 chip. 781 782 This driver can also be built as a module. If so, the module 783 will be called i2c-ls2x. 784 785config I2C_MLXBF 786 tristate "Mellanox BlueField I2C controller" 787 depends on MELLANOX_PLATFORM && ARM64 788 depends on ACPI 789 select I2C_SLAVE 790 help 791 Enabling this option will add I2C SMBus support for Mellanox BlueField 792 system. 793 794 This driver can also be built as a module. If so, the module will be 795 called i2c-mlxbf. 796 797 This driver implements an I2C SMBus host controller and enables both 798 master and slave functions. 799 800config I2C_MESON 801 tristate "Amlogic Meson I2C controller" 802 depends on ARCH_MESON || COMPILE_TEST 803 depends on COMMON_CLK 804 help 805 If you say yes to this option, support will be included for the 806 I2C interface on the Amlogic Meson family of SoCs. 807 808config I2C_MICROCHIP_CORE 809 tristate "Microchip FPGA I2C controller" 810 depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST 811 depends on OF 812 help 813 If you say yes to this option, support will be included for the 814 I2C interface on Microchip FPGAs. 815 816 This driver can also be built as a module. If so, the module will be 817 called i2c-microchip-core. 818 819config I2C_MPC 820 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 821 depends on PPC 822 help 823 If you say yes to this option, support will be included for the 824 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 825 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 826 827 This driver can also be built as a module. If so, the module 828 will be called i2c-mpc. 829 830config I2C_MT65XX 831 tristate "MediaTek I2C adapter" 832 depends on ARCH_MEDIATEK || COMPILE_TEST 833 help 834 This selects the MediaTek(R) Integrated Inter Circuit bus driver 835 for MT65xx and MT81xx. 836 If you want to use MediaTek(R) I2C interface, say Y or M here. 837 If unsure, say N. 838 839config I2C_MT7621 840 tristate "MT7621/MT7628 I2C Controller" 841 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST 842 help 843 Say Y here to include support for I2C controller in the 844 MediaTek MT7621/MT7628 SoCs. 845 846config I2C_MV64XXX 847 tristate "Marvell mv64xxx I2C Controller" 848 depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST 849 help 850 If you say yes to this option, support will be included for the 851 built-in I2C interface on the Marvell 64xxx line of host bridges. 852 This driver is also used for Allwinner SoCs I2C controllers. 853 854 This driver can also be built as a module. If so, the module 855 will be called i2c-mv64xxx. 856 857config I2C_MXS 858 tristate "Freescale i.MX28 I2C interface" 859 depends on SOC_IMX28 || COMPILE_TEST 860 select STMP_DEVICE 861 help 862 Say Y here if you want to use the I2C bus controller on 863 the Freescale i.MX28 processors. 864 865 This driver can also be built as a module. If so, the module 866 will be called i2c-mxs. 867 868config I2C_NOMADIK 869 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 870 depends on ARM_AMBA 871 help 872 If you say yes to this option, support will be included for the 873 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 874 as well as the STA2X11 PCIe I/O HUB. 875 876config I2C_NPCM 877 tristate "Nuvoton I2C Controller" 878 depends on ARCH_NPCM || COMPILE_TEST 879 help 880 If you say yes to this option, support will be included for the 881 Nuvoton I2C controller, which is available on the NPCM BMC 882 controllers. 883 Driver can also support slave mode (select I2C_SLAVE). 884 885config I2C_OCORES 886 tristate "OpenCores I2C Controller" 887 help 888 If you say yes to this option, support will be included for the 889 OpenCores I2C controller. For details see 890 http://www.opencores.org/projects.cgi/web/i2c/overview 891 892 This driver can also be built as a module. If so, the module 893 will be called i2c-ocores. 894 895config I2C_OMAP 896 tristate "OMAP I2C adapter" 897 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST 898 default MACH_OMAP_OSK 899 help 900 If you say yes to this option, support will be included for the 901 I2C interface on the Texas Instruments OMAP1/2 family of processors. 902 Like OMAP1510/1610/1710/5912 and OMAP242x. 903 For details see http://www.ti.com/omap. 904 905config I2C_OWL 906 tristate "Actions Semiconductor Owl I2C Controller" 907 depends on ARCH_ACTIONS || COMPILE_TEST 908 help 909 Say Y here if you want to use the I2C bus controller on 910 the Actions Semiconductor Owl SoC's. 911 912config I2C_PASEMI 913 tristate "PA Semi SMBus interface" 914 depends on PPC_PASEMI && PCI 915 help 916 Supports the PA Semi PWRficient on-chip SMBus interfaces. 917 918config I2C_APPLE 919 tristate "Apple SMBus platform driver" 920 depends on !I2C_PASEMI 921 depends on ARCH_APPLE || COMPILE_TEST 922 default ARCH_APPLE 923 help 924 Say Y here if you want to use the I2C controller present on Apple 925 Silicon chips such as the M1. 926 927 This driver can also be built as a module. If so, the module 928 will be called i2c-apple. 929 930config I2C_PCA_PLATFORM 931 tristate "PCA9564/PCA9665 as platform device" 932 select I2C_ALGOPCA 933 help 934 This driver supports a memory mapped Philips PCA9564/PCA9665 935 parallel bus to I2C bus controller. 936 937 This driver can also be built as a module. If so, the module 938 will be called i2c-pca-platform. 939 940config I2C_PNX 941 tristate "I2C bus support for Philips PNX and NXP LPC targets" 942 depends on ARCH_LPC32XX || COMPILE_TEST 943 help 944 This driver supports the Philips IP3204 I2C IP block master and/or 945 slave controller 946 947 This driver can also be built as a module. If so, the module 948 will be called i2c-pnx. 949 950config I2C_PXA 951 tristate "Intel PXA2XX I2C adapter" 952 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST 953 help 954 If you have devices in the PXA I2C bus, say yes to this option. 955 This driver can also be built as a module. If so, the module 956 will be called i2c-pxa. 957 958config I2C_PXA_PCI 959 def_bool I2C_PXA && X86_32 && PCI && OF 960 961config I2C_PXA_SLAVE 962 bool "Intel PXA2XX I2C Slave comms support" 963 depends on I2C_PXA && !X86_32 964 select I2C_SLAVE 965 help 966 Support I2C slave mode communications on the PXA I2C bus. This 967 is necessary for systems where the PXA may be a target on the 968 I2C bus. 969 970config I2C_QCOM_CCI 971 tristate "Qualcomm Camera Control Interface" 972 depends on ARCH_QCOM || COMPILE_TEST 973 help 974 If you say yes to this option, support will be included for the 975 built-in camera control interface on the Qualcomm SoCs. 976 977 This driver can also be built as a module. If so, the module 978 will be called i2c-qcom-cci. 979 980config I2C_QCOM_GENI 981 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 982 depends on ARCH_QCOM || COMPILE_TEST 983 depends on QCOM_GENI_SE 984 help 985 This driver supports GENI serial engine based I2C controller in 986 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 987 yes to this option, support will be included for the built-in I2C 988 interface on the Qualcomm Technologies Inc.'s SoCs. 989 990 This driver can also be built as a module. If so, the module 991 will be called i2c-qcom-geni. 992 993config I2C_QUP 994 tristate "Qualcomm QUP based I2C controller" 995 depends on ARCH_QCOM || COMPILE_TEST 996 help 997 If you say yes to this option, support will be included for the 998 built-in I2C interface on the Qualcomm SoCs. 999 1000 This driver can also be built as a module. If so, the module 1001 will be called i2c-qup. 1002 1003config I2C_RIIC 1004 tristate "Renesas RIIC adapter" 1005 depends on ARCH_RENESAS || COMPILE_TEST 1006 help 1007 If you say yes to this option, support will be included for the 1008 Renesas RIIC I2C interface. 1009 1010 This driver can also be built as a module. If so, the module 1011 will be called i2c-riic. 1012 1013config I2C_RK3X 1014 tristate "Rockchip RK3xxx I2C adapter" 1015 depends on OF && COMMON_CLK 1016 help 1017 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 1018 SoCs. 1019 1020 This driver can also be built as a module. If so, the module will 1021 be called i2c-rk3x. 1022 1023config I2C_RZV2M 1024 tristate "Renesas RZ/V2M adapter" 1025 depends on ARCH_RENESAS || COMPILE_TEST 1026 help 1027 If you say yes to this option, support will be included for the 1028 Renesas RZ/V2M I2C interface. 1029 1030 This driver can also be built as a module. If so, the module 1031 will be called i2c-rzv2m. 1032 1033config I2C_S3C2410 1034 tristate "S3C/Exynos I2C Driver" 1035 depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 1036 help 1037 Say Y here to include support for I2C controller in the 1038 Samsung SoCs (S3C, S5Pv210, Exynos). 1039 1040config I2C_SH7760 1041 tristate "Renesas SH7760 I2C Controller" 1042 depends on CPU_SUBTYPE_SH7760 1043 help 1044 This driver supports the 2 I2C interfaces on the Renesas SH7760. 1045 1046 This driver can also be built as a module. If so, the module 1047 will be called i2c-sh7760. 1048 1049config I2C_SH_MOBILE 1050 tristate "SuperH Mobile I2C Controller" 1051 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 1052 help 1053 If you say yes to this option, support will be included for the 1054 built-in I2C interface on the Renesas SH-Mobile processor. 1055 1056 This driver can also be built as a module. If so, the module 1057 will be called i2c-sh_mobile. 1058 1059config I2C_SIMTEC 1060 tristate "Simtec Generic I2C interface" 1061 select I2C_ALGOBIT 1062 help 1063 If you say yes to this option, support will be included for 1064 the Simtec Generic I2C interface. This driver is for the 1065 simple I2C bus used on newer Simtec products for general 1066 I2C, such as DDC on the Simtec BBD2016A. 1067 1068 This driver can also be built as a module. If so, the module 1069 will be called i2c-simtec. 1070 1071config I2C_SPRD 1072 tristate "Spreadtrum I2C interface" 1073 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST) 1074 depends on COMMON_CLK 1075 help 1076 If you say yes to this option, support will be included for the 1077 Spreadtrum I2C interface. 1078 1079config I2C_ST 1080 tristate "STMicroelectronics SSC I2C support" 1081 depends on ARCH_STI || COMPILE_TEST 1082 help 1083 Enable this option to add support for STMicroelectronics SoCs 1084 hardware SSC (Synchronous Serial Controller) as an I2C controller. 1085 1086 This driver can also be built as module. If so, the module 1087 will be called i2c-st. 1088 1089config I2C_STM32F4 1090 tristate "STMicroelectronics STM32F4 I2C support" 1091 depends on ARCH_STM32 || COMPILE_TEST 1092 help 1093 Enable this option to add support for STM32 I2C controller embedded 1094 in STM32F4 SoCs. 1095 1096 This driver can also be built as module. If so, the module 1097 will be called i2c-stm32f4. 1098 1099config I2C_STM32F7 1100 tristate "STMicroelectronics STM32F7 I2C support" 1101 depends on ARCH_STM32 || COMPILE_TEST 1102 select I2C_SLAVE 1103 select I2C_SMBUS 1104 help 1105 Enable this option to add support for STM32 I2C controller embedded 1106 in STM32F7 SoCs. 1107 1108 This driver can also be built as module. If so, the module 1109 will be called i2c-stm32f7. 1110 1111config I2C_SUN6I_P2WI 1112 tristate "Allwinner sun6i internal P2WI controller" 1113 depends on RESET_CONTROLLER 1114 depends on MACH_SUN6I || COMPILE_TEST 1115 help 1116 If you say yes to this option, support will be included for the 1117 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1118 SOCs. 1119 The P2WI looks like an SMBus controller (which supports only byte 1120 accesses), except that it only supports one slave device. 1121 This interface is used to connect to specific PMIC devices (like the 1122 AXP221). 1123 1124config I2C_SYNQUACER 1125 tristate "Socionext SynQuacer I2C controller" 1126 depends on ARCH_SYNQUACER || COMPILE_TEST 1127 help 1128 Say Y here to include support for the I2C controller used in some 1129 Fujitsu and Socionext SoCs. 1130 1131 This driver can also be built as a module. If so, the module 1132 will be called i2c-synquacer. 1133 1134config I2C_TEGRA 1135 tristate "NVIDIA Tegra internal I2C controller" 1136 depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC)) 1137 # COMPILE_TEST needs architectures with readsX()/writesX() primitives 1138 help 1139 If you say yes to this option, support will be included for the 1140 I2C controller embedded in NVIDIA Tegra SOCs 1141 1142config I2C_TEGRA_BPMP 1143 tristate "NVIDIA Tegra BPMP I2C controller" 1144 depends on TEGRA_BPMP || COMPILE_TEST 1145 default y if TEGRA_BPMP 1146 help 1147 If you say yes to this option, support will be included for the I2C 1148 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1149 1150 This I2C driver is a 'virtual' I2C driver. The real driver is part 1151 of the BPMP firmware, and this driver merely communicates with that 1152 real driver. 1153 1154config I2C_UNIPHIER 1155 tristate "UniPhier FIFO-less I2C controller" 1156 depends on ARCH_UNIPHIER || COMPILE_TEST 1157 help 1158 If you say yes to this option, support will be included for 1159 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1160 or older UniPhier SoCs. 1161 1162config I2C_UNIPHIER_F 1163 tristate "UniPhier FIFO-builtin I2C controller" 1164 depends on ARCH_UNIPHIER || COMPILE_TEST 1165 help 1166 If you say yes to this option, support will be included for 1167 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1168 PH1-Pro5, or newer UniPhier SoCs. 1169 1170config I2C_VERSATILE 1171 tristate "ARM Versatile/Realview I2C bus support" 1172 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1173 select I2C_ALGOBIT 1174 help 1175 Say yes if you want to support the I2C serial bus on ARMs Versatile 1176 range of platforms. 1177 1178 This driver can also be built as a module. If so, the module 1179 will be called i2c-versatile. 1180 1181config I2C_WMT 1182 tristate "Wondermedia WM8xxx SoC I2C bus support" 1183 depends on ARCH_VT8500 || COMPILE_TEST 1184 help 1185 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1186 SoCs. 1187 1188 This driver can also be built as a module. If so, the module will be 1189 called i2c-wmt. 1190 1191config I2C_OCTEON 1192 tristate "Cavium OCTEON I2C bus support" 1193 depends on CAVIUM_OCTEON_SOC 1194 help 1195 Say yes if you want to support the I2C serial bus on Cavium 1196 OCTEON SOC. 1197 1198 This driver can also be built as a module. If so, the module 1199 will be called i2c-octeon. 1200 1201config I2C_THUNDERX 1202 tristate "Cavium ThunderX I2C bus support" 1203 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1204 select I2C_SMBUS 1205 help 1206 Say yes if you want to support the I2C serial bus on Cavium 1207 ThunderX SOC. 1208 1209 This driver can also be built as a module. If so, the module 1210 will be called i2c-thunderx. 1211 1212config I2C_XILINX 1213 tristate "Xilinx I2C Controller" 1214 depends on HAS_IOMEM 1215 help 1216 If you say yes to this option, support will be included for the 1217 Xilinx I2C controller. 1218 1219 This driver can also be built as a module. If so, the module 1220 will be called xilinx_i2c. 1221 1222config I2C_XLP9XX 1223 tristate "Cavium ThunderX2 I2C support" 1224 depends on ARCH_THUNDER2 || COMPILE_TEST 1225 help 1226 This driver enables support for the on-chip I2C interface of 1227 the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.) 1228 1229 This driver can also be built as a module. If so, the module will 1230 be called i2c-xlp9xx. 1231 1232config I2C_RCAR 1233 tristate "Renesas R-Car I2C Controller" 1234 depends on ARCH_RENESAS || COMPILE_TEST 1235 select I2C_SLAVE 1236 select I2C_SMBUS 1237 select RESET_CONTROLLER if ARCH_RCAR_GEN3 1238 help 1239 If you say yes to this option, support will be included for the 1240 R-Car I2C controller. 1241 1242 This driver can also be built as a module. If so, the module 1243 will be called i2c-rcar. 1244 1245comment "External I2C/SMBus adapter drivers" 1246 1247config I2C_DIOLAN_U2C 1248 tristate "Diolan U2C-12 USB adapter" 1249 depends on USB 1250 help 1251 If you say yes to this option, support will be included for Diolan 1252 U2C-12, a USB to I2C interface. 1253 1254 This driver can also be built as a module. If so, the module 1255 will be called i2c-diolan-u2c. 1256 1257config I2C_DLN2 1258 tristate "Diolan DLN-2 USB I2C adapter" 1259 depends on MFD_DLN2 1260 help 1261 If you say yes to this option, support will be included for Diolan 1262 DLN2, a USB to I2C interface. 1263 1264 This driver can also be built as a module. If so, the module 1265 will be called i2c-dln2. 1266 1267config I2C_CP2615 1268 tristate "Silicon Labs CP2615 USB sound card and I2C adapter" 1269 depends on USB 1270 help 1271 If you say yes to this option, support will be included for Silicon 1272 Labs CP2615's I2C interface. 1273 1274 This driver can also be built as a module. If so, the module 1275 will be called i2c-cp2615. 1276 1277config I2C_PARPORT 1278 tristate "Parallel port adapter" 1279 depends on PARPORT 1280 select I2C_ALGOBIT 1281 select I2C_SMBUS 1282 help 1283 This supports parallel port I2C adapters such as the ones made by 1284 Philips or Velleman, Analog Devices evaluation boards, and more. 1285 Basically any adapter using the parallel port as an I2C bus with 1286 no extra chipset is supported by this driver, or could be. Please 1287 read the file Documentation/i2c/busses/i2c-parport.rst for details. 1288 1289 This support is also available as a module. If so, the module 1290 will be called i2c-parport. 1291 1292config I2C_PCI1XXXX 1293 tristate "PCI1XXXX I2C Host Adapter" 1294 depends on PCI 1295 help 1296 If you say yes to this option, support will be included for 1297 Microchip PCI1XXXX's I2C interface. 1298 1299 This driver can also be built as a module. If so, the module will 1300 be called i2c-mchp-pci1xxxx. 1301 1302config I2C_ROBOTFUZZ_OSIF 1303 tristate "RobotFuzz Open Source InterFace USB adapter" 1304 depends on USB 1305 help 1306 If you say yes to this option, support will be included for the 1307 RobotFuzz Open Source InterFace USB to I2C interface. 1308 1309 This driver can also be built as a module. If so, the module 1310 will be called i2c-osif. 1311 1312config I2C_TAOS_EVM 1313 tristate "TAOS evaluation module" 1314 depends on TTY 1315 select SERIO 1316 select SERIO_SERPORT 1317 help 1318 This supports TAOS evaluation modules on serial port. In order to 1319 use this driver, you will need the inputattach tool, which is part 1320 of the input-utils package. 1321 1322 If unsure, say N. 1323 1324 This support is also available as a module. If so, the module 1325 will be called i2c-taos-evm. 1326 1327config I2C_TINY_USB 1328 tristate "Tiny-USB adapter" 1329 depends on USB 1330 help 1331 If you say yes to this option, support will be included for the 1332 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1333 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1334 1335 This driver can also be built as a module. If so, the module 1336 will be called i2c-tiny-usb. 1337 1338config I2C_VIPERBOARD 1339 tristate "Viperboard I2C master support" 1340 depends on MFD_VIPERBOARD && USB 1341 help 1342 Say yes here to access the I2C part of the Nano River 1343 Technologies Viperboard as I2C master. 1344 See viperboard API specification and Nano 1345 River Tech's viperboard.h for detailed meaning 1346 of the module parameters. 1347 1348comment "Other I2C/SMBus bus drivers" 1349 1350config I2C_ACORN 1351 tristate "Acorn IOC/IOMD I2C bus support" 1352 depends on ARCH_ACORN 1353 default y 1354 select I2C_ALGOBIT 1355 help 1356 Say yes if you want to support the I2C bus on Acorn platforms. 1357 1358 If you don't know, say Y. 1359 1360config I2C_ELEKTOR 1361 tristate "Elektor ISA card" 1362 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1363 select I2C_ALGOPCF 1364 help 1365 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1366 such an adapter. 1367 1368 This support is also available as a module. If so, the module 1369 will be called i2c-elektor. 1370 1371config I2C_ICY 1372 tristate "ICY Zorro card" 1373 depends on ZORRO 1374 select I2C_ALGOPCF 1375 help 1376 This supports the PCF8584 Zorro bus I2C adapter, known as ICY. 1377 Say Y if you own such an adapter. 1378 1379 This support is also available as a module. If so, the module 1380 will be called i2c-icy. 1381 1382 If you have a 2019 edition board with an LTC2990 sensor at address 1383 0x4c, loading the module 'ltc2990' is sufficient to enable it. 1384 1385config I2C_MLXCPLD 1386 tristate "Mellanox I2C driver" 1387 depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST 1388 help 1389 This exposes the Mellanox platform I2C busses to the linux I2C layer 1390 for X86 and ARM64/ACPI based systems. 1391 Controller is implemented as CPLD logic. 1392 1393 This driver can also be built as a module. If so, the module will be 1394 called as i2c-mlxcpld. 1395 1396config I2C_PCA_ISA 1397 tristate "PCA9564/PCA9665 on an ISA bus" 1398 depends on ISA 1399 select I2C_ALGOPCA 1400 help 1401 This driver supports ISA boards using the Philips PCA9564/PCA9665 1402 parallel bus to I2C bus controller. 1403 1404 This driver can also be built as a module. If so, the module 1405 will be called i2c-pca-isa. 1406 1407 This device is almost undetectable and using this driver on a 1408 system which doesn't have this device will result in long 1409 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1410 time). If unsure, say N. 1411 1412config I2C_SIBYTE 1413 tristate "SiByte SMBus interface" 1414 depends on SIBYTE_SB1xxx_SOC 1415 help 1416 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1417 1418config I2C_CROS_EC_TUNNEL 1419 tristate "ChromeOS EC tunnel I2C bus" 1420 depends on CROS_EC 1421 help 1422 If you say yes here you get an I2C bus that will tunnel i2c commands 1423 through to the other side of the ChromeOS EC to the i2c bus 1424 connected there. This will work whatever the interface used to 1425 talk to the EC (SPI, I2C or LPC). 1426 1427config I2C_XGENE_SLIMPRO 1428 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1429 depends on ARCH_XGENE && MAILBOX 1430 help 1431 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1432 co-processor. The I2C device access the I2C bus via the X-Gene 1433 to SLIMpro (On chip coprocessor) mailbox mechanism. 1434 If unsure, say N. 1435 1436config SCx200_ACB 1437 tristate "Geode ACCESS.bus support" 1438 depends on X86_32 && PCI 1439 help 1440 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1441 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1442 1443 If you don't know what to do here, say N. 1444 1445 This support is also available as a module. If so, the module 1446 will be called scx200_acb. 1447 1448config I2C_OPAL 1449 tristate "IBM OPAL I2C driver" 1450 depends on PPC_POWERNV 1451 default y 1452 help 1453 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1454 the driver is based on the OPAL interfaces. 1455 1456 This driver can also be built as a module. If so, the module will be 1457 called as i2c-opal. 1458 1459config I2C_FSI 1460 tristate "FSI I2C driver" 1461 depends on FSI 1462 help 1463 Driver for FSI bus attached I2C masters. These are I2C masters that 1464 are connected to the system over an FSI bus, instead of the more 1465 common PCI or MMIO interface. 1466 1467 This driver can also be built as a module. If so, the module will be 1468 called as i2c-fsi. 1469 1470config I2C_VIRTIO 1471 tristate "Virtio I2C Adapter" 1472 select VIRTIO 1473 help 1474 If you say yes to this option, support will be included for the virtio 1475 I2C adapter driver. The hardware can be emulated by any device model 1476 software according to the virtio protocol. 1477 1478 This driver can also be built as a module. If so, the module 1479 will be called i2c-virtio. 1480 1481endmenu 1482