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) 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_BCM4908 || ARCH_BCMBCA || \ 492 ARCH_BRCMSTB || 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 X86_MSR 570 depends on ACPI 571 depends on I2C_DESIGNWARE_PLATFORM 572 help 573 This driver enables managed host access to the selected I2C bus shared 574 between AMD CPU and AMD PSP. 575 576 You should say Y if running on an AMD system equipped with the PSP. 577 578config I2C_DESIGNWARE_BAYTRAIL 579 bool "Intel Baytrail I2C semaphore support" 580 depends on ACPI 581 depends on I2C_DESIGNWARE_PLATFORM 582 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 583 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 584 help 585 This driver enables managed host access to the PMIC I2C bus on select 586 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 587 the host to request uninterrupted access to the PMIC's I2C bus from 588 the platform firmware controlling it. You should say Y if running on 589 a BayTrail system using the AXP288. 590 591config I2C_DESIGNWARE_PCI 592 tristate "Synopsys DesignWare PCI" 593 depends on PCI 594 select I2C_DESIGNWARE_CORE 595 select I2C_CCGX_UCSI 596 help 597 If you say yes to this option, support will be included for the 598 Synopsys DesignWare I2C adapter. Only master mode is supported. 599 600 This driver can also be built as a module. If so, the module 601 will be called i2c-designware-pci. 602 603config I2C_DIGICOLOR 604 tristate "Conexant Digicolor I2C driver" 605 depends on ARCH_DIGICOLOR || COMPILE_TEST 606 help 607 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 608 609 This driver can also be built as a module. If so, the module 610 will be called i2c-digicolor. 611 612config I2C_EG20T 613 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 614 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 615 help 616 This driver is for PCH(Platform controller Hub) I2C of EG20T which 617 is an IOH(Input/Output Hub) for x86 embedded processor. 618 This driver can access PCH I2C bus device. 619 620 This driver also can be used for LAPIS Semiconductor IOH(Input/ 621 Output Hub), ML7213, ML7223 and ML7831. 622 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 623 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 624 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 625 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 626 627config I2C_EMEV2 628 tristate "EMMA Mobile series I2C adapter" 629 depends on HAVE_CLK 630 select I2C_SLAVE 631 help 632 If you say yes to this option, support will be included for the 633 I2C interface on the Renesas Electronics EM/EV family of processors. 634 635config I2C_EXYNOS5 636 tristate "Exynos high-speed I2C driver" 637 depends on OF 638 depends on ARCH_EXYNOS || COMPILE_TEST 639 default y if ARCH_EXYNOS 640 help 641 High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs: 642 Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800, 643 Exynos5433, Exynos7, Exynos850 and ExynosAutoV9. 644 Choose Y here only if you build for such Samsung SoC. 645 646config I2C_GPIO 647 tristate "GPIO-based bitbanging I2C" 648 depends on GPIOLIB || COMPILE_TEST 649 select I2C_ALGOBIT 650 help 651 This is a very simple bitbanging I2C driver utilizing the 652 arch-neutral GPIO API to control the SCL and SDA lines. 653 654config I2C_GPIO_FAULT_INJECTOR 655 bool "GPIO-based fault injector" 656 depends on I2C_GPIO 657 help 658 This adds some functionality to the i2c-gpio driver which can inject 659 faults to an I2C bus, so another bus master can be stress-tested. 660 This is for debugging. If unsure, say 'no'. 661 662config I2C_HIGHLANDER 663 tristate "Highlander FPGA SMBus interface" 664 depends on SH_HIGHLANDER || COMPILE_TEST 665 help 666 If you say yes to this option, support will be included for 667 the SMBus interface located in the FPGA on various Highlander 668 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 669 FPGAs. This is wholly unrelated to the SoC I2C. 670 671 This driver can also be built as a module. If so, the module 672 will be called i2c-highlander. 673 674config I2C_HISI 675 tristate "HiSilicon I2C controller" 676 depends on (ARM64 && ACPI) || COMPILE_TEST 677 help 678 Say Y here if you want to have Hisilicon I2C controller support 679 available on the Kunpeng Server. 680 681 This driver can also be built as a module. If so, the module 682 will be called i2c-hisi. 683 684config I2C_IBM_IIC 685 tristate "IBM PPC 4xx on-chip I2C interface" 686 depends on 4xx 687 help 688 Say Y here if you want to use IIC peripheral found on 689 embedded IBM PPC 4xx based systems. 690 691 This driver can also be built as a module. If so, the module 692 will be called i2c-ibm_iic. 693 694config I2C_IMG 695 tristate "Imagination Technologies I2C SCB Controller" 696 depends on MIPS || COMPILE_TEST 697 help 698 Say Y here if you want to use the IMG I2C SCB controller, 699 available on the TZ1090 and other IMG SoCs. 700 701 This driver can also be built as a module. If so, the module 702 will be called i2c-img-scb. 703 704config I2C_IMX 705 tristate "IMX I2C interface" 706 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST 707 select I2C_SLAVE 708 help 709 Say Y here if you want to use the IIC bus controller on 710 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 711 712 This driver can also be built as a module. If so, the module 713 will be called i2c-imx. 714 715config I2C_IMX_LPI2C 716 tristate "IMX Low Power I2C interface" 717 depends on ARCH_MXC || COMPILE_TEST 718 help 719 Say Y here if you want to use the Low Power IIC bus controller 720 on the Freescale i.MX processors. 721 722 This driver can also be built as a module. If so, the module 723 will be called i2c-imx-lpi2c. 724 725config I2C_IOP3XX 726 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" 727 depends on ARCH_IOP32X || ARCH_IXP4XX || COMPILE_TEST 728 help 729 Say Y here if you want to use the IIC bus controller on 730 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. 731 732 This driver can also be built as a module. If so, the module 733 will be called i2c-iop3xx. 734 735config I2C_JZ4780 736 tristate "JZ4780 I2C controller interface support" 737 depends on MIPS || COMPILE_TEST 738 help 739 If you say yes to this option, support will be included for the 740 Ingenic JZ4780 I2C controller. 741 742 If you don't know what to do here, say N. 743 744config I2C_KEMPLD 745 tristate "Kontron COM I2C Controller" 746 depends on MFD_KEMPLD 747 help 748 This enables support for the I2C bus interface on some Kontron ETX 749 and COMexpress (ETXexpress) modules. 750 751 This driver can also be built as a module. If so, the module 752 will be called i2c-kempld. 753 754config I2C_LPC2K 755 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 756 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 757 help 758 This driver supports the I2C interface found several NXP 759 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 760 761 This driver can also be built as a module. If so, the module 762 will be called i2c-lpc2k. 763 764config I2C_MLXBF 765 tristate "Mellanox BlueField I2C controller" 766 depends on MELLANOX_PLATFORM && ARM64 767 select I2C_SLAVE 768 help 769 Enabling this option will add I2C SMBus support for Mellanox BlueField 770 system. 771 772 This driver can also be built as a module. If so, the module will be 773 called i2c-mlxbf. 774 775 This driver implements an I2C SMBus host controller and enables both 776 master and slave functions. 777 778config I2C_MESON 779 tristate "Amlogic Meson I2C controller" 780 depends on ARCH_MESON || COMPILE_TEST 781 depends on COMMON_CLK 782 help 783 If you say yes to this option, support will be included for the 784 I2C interface on the Amlogic Meson family of SoCs. 785 786config I2C_MICROCHIP_CORE 787 tristate "Microchip FPGA I2C controller" 788 depends on SOC_MICROCHIP_POLARFIRE || COMPILE_TEST 789 depends on OF 790 help 791 If you say yes to this option, support will be included for the 792 I2C interface on Microchip FPGAs. 793 794 This driver can also be built as a module. If so, the module will be 795 called i2c-microchip-core. 796 797config I2C_MPC 798 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 799 depends on PPC 800 help 801 If you say yes to this option, support will be included for the 802 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 803 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 804 805 This driver can also be built as a module. If so, the module 806 will be called i2c-mpc. 807 808config I2C_MT65XX 809 tristate "MediaTek I2C adapter" 810 depends on ARCH_MEDIATEK || COMPILE_TEST 811 help 812 This selects the MediaTek(R) Integrated Inter Circuit bus driver 813 for MT65xx and MT81xx. 814 If you want to use MediaTek(R) I2C interface, say Y or M here. 815 If unsure, say N. 816 817config I2C_MT7621 818 tristate "MT7621/MT7628 I2C Controller" 819 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST 820 help 821 Say Y here to include support for I2C controller in the 822 MediaTek MT7621/MT7628 SoCs. 823 824config I2C_MV64XXX 825 tristate "Marvell mv64xxx I2C Controller" 826 depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST 827 help 828 If you say yes to this option, support will be included for the 829 built-in I2C interface on the Marvell 64xxx line of host bridges. 830 This driver is also used for Allwinner SoCs I2C controllers. 831 832 This driver can also be built as a module. If so, the module 833 will be called i2c-mv64xxx. 834 835config I2C_MXS 836 tristate "Freescale i.MX28 I2C interface" 837 depends on SOC_IMX28 || COMPILE_TEST 838 select STMP_DEVICE 839 help 840 Say Y here if you want to use the I2C bus controller on 841 the Freescale i.MX28 processors. 842 843 This driver can also be built as a module. If so, the module 844 will be called i2c-mxs. 845 846config I2C_NOMADIK 847 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 848 depends on ARM_AMBA 849 help 850 If you say yes to this option, support will be included for the 851 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 852 as well as the STA2X11 PCIe I/O HUB. 853 854config I2C_NPCM 855 tristate "Nuvoton I2C Controller" 856 depends on ARCH_NPCM || COMPILE_TEST 857 help 858 If you say yes to this option, support will be included for the 859 Nuvoton I2C controller, which is available on the NPCM BMC 860 controllers. 861 Driver can also support slave mode (select I2C_SLAVE). 862 863config I2C_OCORES 864 tristate "OpenCores I2C Controller" 865 help 866 If you say yes to this option, support will be included for the 867 OpenCores I2C controller. For details see 868 http://www.opencores.org/projects.cgi/web/i2c/overview 869 870 This driver can also be built as a module. If so, the module 871 will be called i2c-ocores. 872 873config I2C_OMAP 874 tristate "OMAP I2C adapter" 875 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST 876 default y if MACH_OMAP_H3 || MACH_OMAP_OSK 877 help 878 If you say yes to this option, support will be included for the 879 I2C interface on the Texas Instruments OMAP1/2 family of processors. 880 Like OMAP1510/1610/1710/5912 and OMAP242x. 881 For details see http://www.ti.com/omap. 882 883config I2C_OWL 884 tristate "Actions Semiconductor Owl I2C Controller" 885 depends on ARCH_ACTIONS || COMPILE_TEST 886 help 887 Say Y here if you want to use the I2C bus controller on 888 the Actions Semiconductor Owl SoC's. 889 890config I2C_PASEMI 891 tristate "PA Semi SMBus interface" 892 depends on PPC_PASEMI && PCI 893 help 894 Supports the PA Semi PWRficient on-chip SMBus interfaces. 895 896config I2C_APPLE 897 tristate "Apple SMBus platform driver" 898 depends on ARCH_APPLE || COMPILE_TEST 899 default ARCH_APPLE 900 help 901 Say Y here if you want to use the I2C controller present on Apple 902 Silicon chips such as the M1. 903 904 This driver can also be built as a module. If so, the module 905 will be called i2c-apple. 906 907config I2C_PCA_PLATFORM 908 tristate "PCA9564/PCA9665 as platform device" 909 select I2C_ALGOPCA 910 help 911 This driver supports a memory mapped Philips PCA9564/PCA9665 912 parallel bus to I2C bus controller. 913 914 This driver can also be built as a module. If so, the module 915 will be called i2c-pca-platform. 916 917config I2C_PNX 918 tristate "I2C bus support for Philips PNX and NXP LPC targets" 919 depends on ARCH_LPC32XX || COMPILE_TEST 920 help 921 This driver supports the Philips IP3204 I2C IP block master and/or 922 slave controller 923 924 This driver can also be built as a module. If so, the module 925 will be called i2c-pnx. 926 927config I2C_PXA 928 tristate "Intel PXA2XX I2C adapter" 929 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST 930 help 931 If you have devices in the PXA I2C bus, say yes to this option. 932 This driver can also be built as a module. If so, the module 933 will be called i2c-pxa. 934 935config I2C_PXA_PCI 936 def_bool I2C_PXA && X86_32 && PCI && OF 937 938config I2C_PXA_SLAVE 939 bool "Intel PXA2XX I2C Slave comms support" 940 depends on I2C_PXA && !X86_32 941 select I2C_SLAVE 942 help 943 Support I2C slave mode communications on the PXA I2C bus. This 944 is necessary for systems where the PXA may be a target on the 945 I2C bus. 946 947config I2C_QCOM_CCI 948 tristate "Qualcomm Camera Control Interface" 949 depends on ARCH_QCOM || COMPILE_TEST 950 help 951 If you say yes to this option, support will be included for the 952 built-in camera control interface on the Qualcomm SoCs. 953 954 This driver can also be built as a module. If so, the module 955 will be called i2c-qcom-cci. 956 957config I2C_QCOM_GENI 958 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 959 depends on ARCH_QCOM || COMPILE_TEST 960 depends on QCOM_GENI_SE 961 help 962 This driver supports GENI serial engine based I2C controller in 963 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 964 yes to this option, support will be included for the built-in I2C 965 interface on the Qualcomm Technologies Inc.'s SoCs. 966 967 This driver can also be built as a module. If so, the module 968 will be called i2c-qcom-geni. 969 970config I2C_QUP 971 tristate "Qualcomm QUP based I2C controller" 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 I2C 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-qup. 979 980config I2C_RIIC 981 tristate "Renesas RIIC adapter" 982 depends on ARCH_RENESAS || COMPILE_TEST 983 help 984 If you say yes to this option, support will be included for the 985 Renesas RIIC I2C interface. 986 987 This driver can also be built as a module. If so, the module 988 will be called i2c-riic. 989 990config I2C_RK3X 991 tristate "Rockchip RK3xxx I2C adapter" 992 depends on OF && COMMON_CLK 993 help 994 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 995 SoCs. 996 997 This driver can also be built as a module. If so, the module will 998 be called i2c-rk3x. 999 1000config I2C_RZV2M 1001 tristate "Renesas RZ/V2M adapter" 1002 depends on ARCH_RENESAS || COMPILE_TEST 1003 help 1004 If you say yes to this option, support will be included for the 1005 Renesas RZ/V2M I2C interface. 1006 1007 This driver can also be built as a module. If so, the module 1008 will be called i2c-rzv2m. 1009 1010config I2C_S3C2410 1011 tristate "S3C/Exynos I2C Driver" 1012 depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || \ 1013 ARCH_S5PV210 || COMPILE_TEST 1014 help 1015 Say Y here to include support for I2C controller in the 1016 Samsung SoCs (S3C, S5Pv210, Exynos). 1017 1018config I2C_SH7760 1019 tristate "Renesas SH7760 I2C Controller" 1020 depends on CPU_SUBTYPE_SH7760 1021 help 1022 This driver supports the 2 I2C interfaces on the Renesas SH7760. 1023 1024 This driver can also be built as a module. If so, the module 1025 will be called i2c-sh7760. 1026 1027config I2C_SH_MOBILE 1028 tristate "SuperH Mobile I2C Controller" 1029 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 1030 help 1031 If you say yes to this option, support will be included for the 1032 built-in I2C interface on the Renesas SH-Mobile processor. 1033 1034 This driver can also be built as a module. If so, the module 1035 will be called i2c-sh_mobile. 1036 1037config I2C_SIMTEC 1038 tristate "Simtec Generic I2C interface" 1039 select I2C_ALGOBIT 1040 help 1041 If you say yes to this option, support will be included for 1042 the Simtec Generic I2C interface. This driver is for the 1043 simple I2C bus used on newer Simtec products for general 1044 I2C, such as DDC on the Simtec BBD2016A. 1045 1046 This driver can also be built as a module. If so, the module 1047 will be called i2c-simtec. 1048 1049config I2C_SPRD 1050 tristate "Spreadtrum I2C interface" 1051 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST) 1052 depends on COMMON_CLK 1053 help 1054 If you say yes to this option, support will be included for the 1055 Spreadtrum I2C interface. 1056 1057config I2C_ST 1058 tristate "STMicroelectronics SSC I2C support" 1059 depends on ARCH_STI || COMPILE_TEST 1060 help 1061 Enable this option to add support for STMicroelectronics SoCs 1062 hardware SSC (Synchronous Serial Controller) as an I2C controller. 1063 1064 This driver can also be built as module. If so, the module 1065 will be called i2c-st. 1066 1067config I2C_STM32F4 1068 tristate "STMicroelectronics STM32F4 I2C support" 1069 depends on ARCH_STM32 || COMPILE_TEST 1070 help 1071 Enable this option to add support for STM32 I2C controller embedded 1072 in STM32F4 SoCs. 1073 1074 This driver can also be built as module. If so, the module 1075 will be called i2c-stm32f4. 1076 1077config I2C_STM32F7 1078 tristate "STMicroelectronics STM32F7 I2C support" 1079 depends on ARCH_STM32 || COMPILE_TEST 1080 select I2C_SLAVE 1081 select I2C_SMBUS 1082 help 1083 Enable this option to add support for STM32 I2C controller embedded 1084 in STM32F7 SoCs. 1085 1086 This driver can also be built as module. If so, the module 1087 will be called i2c-stm32f7. 1088 1089config I2C_SUN6I_P2WI 1090 tristate "Allwinner sun6i internal P2WI controller" 1091 depends on RESET_CONTROLLER 1092 depends on MACH_SUN6I || COMPILE_TEST 1093 help 1094 If you say yes to this option, support will be included for the 1095 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1096 SOCs. 1097 The P2WI looks like an SMBus controller (which supports only byte 1098 accesses), except that it only supports one slave device. 1099 This interface is used to connect to specific PMIC devices (like the 1100 AXP221). 1101 1102config I2C_SYNQUACER 1103 tristate "Socionext SynQuacer I2C controller" 1104 depends on ARCH_SYNQUACER || COMPILE_TEST 1105 help 1106 Say Y here to include support for the I2C controller used in some 1107 Fujitsu and Socionext SoCs. 1108 1109 This driver can also be built as a module. If so, the module 1110 will be called i2c-synquacer. 1111 1112config I2C_TEGRA 1113 tristate "NVIDIA Tegra internal I2C controller" 1114 depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC)) 1115 # COMPILE_TEST needs architectures with readsX()/writesX() primitives 1116 help 1117 If you say yes to this option, support will be included for the 1118 I2C controller embedded in NVIDIA Tegra SOCs 1119 1120config I2C_TEGRA_BPMP 1121 tristate "NVIDIA Tegra BPMP I2C controller" 1122 depends on TEGRA_BPMP || COMPILE_TEST 1123 default y if TEGRA_BPMP 1124 help 1125 If you say yes to this option, support will be included for the I2C 1126 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1127 1128 This I2C driver is a 'virtual' I2C driver. The real driver is part 1129 of the BPMP firmware, and this driver merely communicates with that 1130 real driver. 1131 1132config I2C_UNIPHIER 1133 tristate "UniPhier FIFO-less I2C controller" 1134 depends on ARCH_UNIPHIER || COMPILE_TEST 1135 help 1136 If you say yes to this option, support will be included for 1137 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1138 or older UniPhier SoCs. 1139 1140config I2C_UNIPHIER_F 1141 tristate "UniPhier FIFO-builtin I2C controller" 1142 depends on ARCH_UNIPHIER || COMPILE_TEST 1143 help 1144 If you say yes to this option, support will be included for 1145 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1146 PH1-Pro5, or newer UniPhier SoCs. 1147 1148config I2C_VERSATILE 1149 tristate "ARM Versatile/Realview I2C bus support" 1150 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1151 select I2C_ALGOBIT 1152 help 1153 Say yes if you want to support the I2C serial bus on ARMs Versatile 1154 range of platforms. 1155 1156 This driver can also be built as a module. If so, the module 1157 will be called i2c-versatile. 1158 1159config I2C_WMT 1160 tristate "Wondermedia WM8xxx SoC I2C bus support" 1161 depends on ARCH_VT8500 || COMPILE_TEST 1162 help 1163 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1164 SoCs. 1165 1166 This driver can also be built as a module. If so, the module will be 1167 called i2c-wmt. 1168 1169config I2C_OCTEON 1170 tristate "Cavium OCTEON I2C bus support" 1171 depends on CAVIUM_OCTEON_SOC 1172 help 1173 Say yes if you want to support the I2C serial bus on Cavium 1174 OCTEON SOC. 1175 1176 This driver can also be built as a module. If so, the module 1177 will be called i2c-octeon. 1178 1179config I2C_THUNDERX 1180 tristate "Cavium ThunderX I2C bus support" 1181 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1182 select I2C_SMBUS 1183 help 1184 Say yes if you want to support the I2C serial bus on Cavium 1185 ThunderX SOC. 1186 1187 This driver can also be built as a module. If so, the module 1188 will be called i2c-thunderx. 1189 1190config I2C_XILINX 1191 tristate "Xilinx I2C Controller" 1192 depends on HAS_IOMEM 1193 help 1194 If you say yes to this option, support will be included for the 1195 Xilinx I2C controller. 1196 1197 This driver can also be built as a module. If so, the module 1198 will be called xilinx_i2c. 1199 1200config I2C_XLP9XX 1201 tristate "Cavium ThunderX2 I2C support" 1202 depends on ARCH_THUNDER2 || COMPILE_TEST 1203 help 1204 This driver enables support for the on-chip I2C interface of 1205 the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.) 1206 1207 This driver can also be built as a module. If so, the module will 1208 be called i2c-xlp9xx. 1209 1210config I2C_RCAR 1211 tristate "Renesas R-Car I2C Controller" 1212 depends on ARCH_RENESAS || COMPILE_TEST 1213 select I2C_SLAVE 1214 select I2C_SMBUS 1215 select RESET_CONTROLLER if ARCH_RCAR_GEN3 1216 help 1217 If you say yes to this option, support will be included for the 1218 R-Car I2C controller. 1219 1220 This driver can also be built as a module. If so, the module 1221 will be called i2c-rcar. 1222 1223comment "External I2C/SMBus adapter drivers" 1224 1225config I2C_DIOLAN_U2C 1226 tristate "Diolan U2C-12 USB adapter" 1227 depends on USB 1228 help 1229 If you say yes to this option, support will be included for Diolan 1230 U2C-12, a USB to I2C interface. 1231 1232 This driver can also be built as a module. If so, the module 1233 will be called i2c-diolan-u2c. 1234 1235config I2C_DLN2 1236 tristate "Diolan DLN-2 USB I2C adapter" 1237 depends on MFD_DLN2 1238 help 1239 If you say yes to this option, support will be included for Diolan 1240 DLN2, a USB to I2C interface. 1241 1242 This driver can also be built as a module. If so, the module 1243 will be called i2c-dln2. 1244 1245config I2C_CP2615 1246 tristate "Silicon Labs CP2615 USB sound card and I2C adapter" 1247 depends on USB 1248 help 1249 If you say yes to this option, support will be included for Silicon 1250 Labs CP2615's I2C interface. 1251 1252 This driver can also be built as a module. If so, the module 1253 will be called i2c-cp2615. 1254 1255config I2C_PARPORT 1256 tristate "Parallel port adapter" 1257 depends on PARPORT 1258 select I2C_ALGOBIT 1259 select I2C_SMBUS 1260 help 1261 This supports parallel port I2C adapters such as the ones made by 1262 Philips or Velleman, Analog Devices evaluation boards, and more. 1263 Basically any adapter using the parallel port as an I2C bus with 1264 no extra chipset is supported by this driver, or could be. Please 1265 read the file Documentation/i2c/busses/i2c-parport.rst for details. 1266 1267 This support is also available as a module. If so, the module 1268 will be called i2c-parport. 1269 1270config I2C_ROBOTFUZZ_OSIF 1271 tristate "RobotFuzz Open Source InterFace USB adapter" 1272 depends on USB 1273 help 1274 If you say yes to this option, support will be included for the 1275 RobotFuzz Open Source InterFace USB to I2C interface. 1276 1277 This driver can also be built as a module. If so, the module 1278 will be called i2c-osif. 1279 1280config I2C_TAOS_EVM 1281 tristate "TAOS evaluation module" 1282 depends on TTY 1283 select SERIO 1284 select SERIO_SERPORT 1285 help 1286 This supports TAOS evaluation modules on serial port. In order to 1287 use this driver, you will need the inputattach tool, which is part 1288 of the input-utils package. 1289 1290 If unsure, say N. 1291 1292 This support is also available as a module. If so, the module 1293 will be called i2c-taos-evm. 1294 1295config I2C_TINY_USB 1296 tristate "Tiny-USB adapter" 1297 depends on USB 1298 help 1299 If you say yes to this option, support will be included for the 1300 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1301 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1302 1303 This driver can also be built as a module. If so, the module 1304 will be called i2c-tiny-usb. 1305 1306config I2C_VIPERBOARD 1307 tristate "Viperboard I2C master support" 1308 depends on MFD_VIPERBOARD && USB 1309 help 1310 Say yes here to access the I2C part of the Nano River 1311 Technologies Viperboard as I2C master. 1312 See viperboard API specification and Nano 1313 River Tech's viperboard.h for detailed meaning 1314 of the module parameters. 1315 1316comment "Other I2C/SMBus bus drivers" 1317 1318config I2C_ACORN 1319 tristate "Acorn IOC/IOMD I2C bus support" 1320 depends on ARCH_ACORN 1321 default y 1322 select I2C_ALGOBIT 1323 help 1324 Say yes if you want to support the I2C bus on Acorn platforms. 1325 1326 If you don't know, say Y. 1327 1328config I2C_ELEKTOR 1329 tristate "Elektor ISA card" 1330 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1331 select I2C_ALGOPCF 1332 help 1333 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1334 such an adapter. 1335 1336 This support is also available as a module. If so, the module 1337 will be called i2c-elektor. 1338 1339config I2C_ICY 1340 tristate "ICY Zorro card" 1341 depends on ZORRO 1342 select I2C_ALGOPCF 1343 help 1344 This supports the PCF8584 Zorro bus I2C adapter, known as ICY. 1345 Say Y if you own such an adapter. 1346 1347 This support is also available as a module. If so, the module 1348 will be called i2c-icy. 1349 1350 If you have a 2019 edition board with an LTC2990 sensor at address 1351 0x4c, loading the module 'ltc2990' is sufficient to enable it. 1352 1353config I2C_MLXCPLD 1354 tristate "Mellanox I2C driver" 1355 depends on X86_64 || COMPILE_TEST 1356 help 1357 This exposes the Mellanox platform I2C busses to the linux I2C layer 1358 for X86 based systems. 1359 Controller is implemented as CPLD logic. 1360 1361 This driver can also be built as a module. If so, the module will be 1362 called as i2c-mlxcpld. 1363 1364config I2C_PCA_ISA 1365 tristate "PCA9564/PCA9665 on an ISA bus" 1366 depends on ISA 1367 select I2C_ALGOPCA 1368 help 1369 This driver supports ISA boards using the Philips PCA9564/PCA9665 1370 parallel bus to I2C bus controller. 1371 1372 This driver can also be built as a module. If so, the module 1373 will be called i2c-pca-isa. 1374 1375 This device is almost undetectable and using this driver on a 1376 system which doesn't have this device will result in long 1377 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1378 time). If unsure, say N. 1379 1380config I2C_SIBYTE 1381 tristate "SiByte SMBus interface" 1382 depends on SIBYTE_SB1xxx_SOC 1383 help 1384 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1385 1386config I2C_CROS_EC_TUNNEL 1387 tristate "ChromeOS EC tunnel I2C bus" 1388 depends on CROS_EC 1389 help 1390 If you say yes here you get an I2C bus that will tunnel i2c commands 1391 through to the other side of the ChromeOS EC to the i2c bus 1392 connected there. This will work whatever the interface used to 1393 talk to the EC (SPI, I2C or LPC). 1394 1395config I2C_XGENE_SLIMPRO 1396 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1397 depends on ARCH_XGENE && MAILBOX 1398 help 1399 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1400 co-processor. The I2C device access the I2C bus via the X-Gene 1401 to SLIMpro (On chip coprocessor) mailbox mechanism. 1402 If unsure, say N. 1403 1404config SCx200_ACB 1405 tristate "Geode ACCESS.bus support" 1406 depends on X86_32 && PCI 1407 help 1408 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1409 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1410 1411 If you don't know what to do here, say N. 1412 1413 This support is also available as a module. If so, the module 1414 will be called scx200_acb. 1415 1416config I2C_OPAL 1417 tristate "IBM OPAL I2C driver" 1418 depends on PPC_POWERNV 1419 default y 1420 help 1421 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1422 the driver is based on the OPAL interfaces. 1423 1424 This driver can also be built as a module. If so, the module will be 1425 called as i2c-opal. 1426 1427config I2C_FSI 1428 tristate "FSI I2C driver" 1429 depends on FSI 1430 help 1431 Driver for FSI bus attached I2C masters. These are I2C masters that 1432 are connected to the system over an FSI bus, instead of the more 1433 common PCI or MMIO interface. 1434 1435 This driver can also be built as a module. If so, the module will be 1436 called as i2c-fsi. 1437 1438config I2C_VIRTIO 1439 tristate "Virtio I2C Adapter" 1440 select VIRTIO 1441 help 1442 If you say yes to this option, support will be included for the virtio 1443 I2C adapter driver. The hardware can be emulated by any device model 1444 software according to the virtio protocol. 1445 1446 This driver can also be built as a module. If so, the module 1447 will be called i2c-virtio. 1448 1449endmenu 1450