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 Birch Stream (SOC) 162 163 This driver can also be built as a module. If so, the module 164 will be called i2c-i801. 165 166config I2C_ISCH 167 tristate "Intel SCH SMBus 1.0" 168 depends on PCI 169 select LPC_SCH 170 help 171 Say Y here if you want to use SMBus controller on the Intel SCH 172 based systems. 173 174 This driver can also be built as a module. If so, the module 175 will be called i2c-isch. 176 177config I2C_ISMT 178 tristate "Intel iSMT SMBus Controller" 179 depends on PCI && X86 180 help 181 If you say yes to this option, support will be included for the Intel 182 iSMT SMBus host controller interface. 183 184 This driver can also be built as a module. If so, the module will be 185 called i2c-ismt. 186 187config I2C_PIIX4 188 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 189 depends on PCI 190 help 191 If you say yes to this option, support will be included for the Intel 192 PIIX4 family of mainboard I2C interfaces. Specifically, the following 193 versions of the chipset are supported (note that Serverworks is part 194 of Broadcom): 195 Intel PIIX4 196 Intel 440MX 197 ATI IXP200 198 ATI IXP300 199 ATI IXP400 200 ATI SB600 201 ATI SB700/SP5100 202 ATI SB800 203 AMD Hudson-2 204 AMD ML 205 AMD CZ 206 Hygon CZ 207 Serverworks OSB4 208 Serverworks CSB5 209 Serverworks CSB6 210 Serverworks HT-1000 211 Serverworks HT-1100 212 SMSC Victory66 213 214 Some AMD chipsets contain two PIIX4-compatible SMBus 215 controllers. This driver will attempt to use both controllers 216 on the SB700/SP5100, if they have been initialized by the BIOS. 217 218 This driver can also be built as a module. If so, the module 219 will be called i2c-piix4. 220 221config I2C_CHT_WC 222 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 223 depends on INTEL_SOC_PMIC_CHTWC 224 help 225 If you say yes to this option, support will be included for the 226 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 227 found on some Intel Cherry Trail systems. 228 229 Note this controller is hooked up to a TI bq24292i charger-IC, 230 combined with a FUSB302 Type-C port-controller as such it is advised 231 to also select CONFIG_TYPEC_FUSB302=m. 232 233config I2C_NFORCE2 234 tristate "Nvidia nForce2, nForce3 and nForce4" 235 depends on PCI 236 help 237 If you say yes to this option, support will be included for the Nvidia 238 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 239 240 This driver can also be built as a module. If so, the module 241 will be called i2c-nforce2. 242 243config I2C_NFORCE2_S4985 244 tristate "SMBus multiplexing on the Tyan S4985" 245 depends on I2C_NFORCE2 && X86 246 help 247 Enabling this option will add specific SMBus support for the Tyan 248 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed 249 over 4 different channels, where the various memory module EEPROMs 250 live. Saying yes here will give you access to these in addition 251 to the trunk. 252 253 This driver can also be built as a module. If so, the module 254 will be called i2c-nforce2-s4985. 255 256config I2C_NVIDIA_GPU 257 tristate "NVIDIA GPU I2C controller" 258 depends on PCI 259 select I2C_CCGX_UCSI 260 help 261 If you say yes to this option, support will be included for the 262 NVIDIA GPU I2C controller which is used to communicate with the GPU's 263 Type-C controller. This driver can also be built as a module called 264 i2c-nvidia-gpu. 265 266config I2C_SIS5595 267 tristate "SiS 5595" 268 depends on PCI 269 help 270 If you say yes to this option, support will be included for the 271 SiS5595 SMBus (a subset of I2C) interface. 272 273 This driver can also be built as a module. If so, the module 274 will be called i2c-sis5595. 275 276config I2C_SIS630 277 tristate "SiS 630/730/964" 278 depends on PCI 279 help 280 If you say yes to this option, support will be included for the 281 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 282 283 This driver can also be built as a module. If so, the module 284 will be called i2c-sis630. 285 286config I2C_SIS96X 287 tristate "SiS 96x" 288 depends on PCI 289 help 290 If you say yes to this option, support will be included for the SiS 291 96x SMBus (a subset of I2C) interfaces. Specifically, the following 292 chipsets are supported: 293 645/961 294 645DX/961 295 645DX/962 296 648/961 297 650/961 298 735 299 745 300 301 This driver can also be built as a module. If so, the module 302 will be called i2c-sis96x. 303 304config I2C_VIA 305 tristate "VIA VT82C586B" 306 depends on PCI 307 select I2C_ALGOBIT 308 help 309 If you say yes to this option, support will be included for the VIA 310 82C586B I2C interface 311 312 This driver can also be built as a module. If so, the module 313 will be called i2c-via. 314 315config I2C_VIAPRO 316 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 317 depends on PCI 318 help 319 If you say yes to this option, support will be included for the VIA 320 VT82C596 and later SMBus interface. Specifically, the following 321 chipsets are supported: 322 VT82C596A/B 323 VT82C686A/B 324 VT8231 325 VT8233/A 326 VT8235 327 VT8237R/A/S 328 VT8251 329 CX700 330 VX800/VX820 331 VX855/VX875 332 VX900 333 334 This driver can also be built as a module. If so, the module 335 will be called i2c-viapro. 336 337if ACPI 338 339comment "ACPI drivers" 340 341config I2C_SCMI 342 tristate "SMBus Control Method Interface" 343 help 344 This driver supports the SMBus Control Method Interface. It needs the 345 BIOS to declare ACPI control methods as described in the SMBus Control 346 Method Interface specification. 347 348 To compile this driver as a module, choose M here: 349 the module will be called i2c-scmi. 350 351endif # ACPI 352 353comment "Mac SMBus host controller drivers" 354 depends on PPC_CHRP || PPC_PMAC 355 356config I2C_HYDRA 357 tristate "CHRP Apple Hydra Mac I/O I2C interface" 358 depends on PCI && PPC_CHRP 359 select I2C_ALGOBIT 360 help 361 This supports the use of the I2C interface in the Apple Hydra Mac 362 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 363 have such a machine. 364 365 This support is also available as a module. If so, the module 366 will be called i2c-hydra. 367 368config I2C_POWERMAC 369 tristate "Powermac I2C interface" 370 depends on PPC_PMAC 371 default y 372 help 373 This exposes the various PowerMac i2c interfaces to the linux i2c 374 layer and to userland. It is used by various drivers on the PowerMac 375 platform, and should generally be enabled. 376 377 This support is also available as a module. If so, the module 378 will be called i2c-powermac. 379 380comment "I2C system bus drivers (mostly embedded / system-on-chip)" 381 382config I2C_ALTERA 383 tristate "Altera Soft IP I2C" 384 depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST 385 depends on OF 386 help 387 If you say yes to this option, support will be included for the 388 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 389 390 This driver can also be built as a module. If so, the module 391 will be called i2c-altera. 392 393config I2C_ASPEED 394 tristate "Aspeed I2C Controller" 395 depends on ARCH_ASPEED || COMPILE_TEST 396 help 397 If you say yes to this option, support will be included for the 398 Aspeed I2C controller. 399 400 This driver can also be built as a module. If so, the module 401 will be called i2c-aspeed. 402 403config I2C_AT91 404 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 405 depends on ARCH_AT91 || COMPILE_TEST 406 help 407 This supports the use of the I2C interface on Atmel AT91 408 processors. 409 410 A serious problem is that there is no documented way to issue 411 repeated START conditions for more than two messages, as needed 412 to support combined I2C messages. Use the i2c-gpio driver 413 unless your system can cope with this limitation. 414 415 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 416 don't have clock stretching in transmission mode. For that reason, 417 you can encounter underrun issues causing premature stop sendings if 418 the latency to fill the transmission register is too long. If you 419 are facing this situation, use the i2c-gpio driver. 420 421config I2C_AT91_SLAVE_EXPERIMENTAL 422 tristate "Microchip AT91 I2C experimental slave mode" 423 depends on I2C_AT91 424 select I2C_SLAVE 425 help 426 If you say yes to this option, support for the slave mode will be 427 added. Caution: do not use it for production. This feature has not 428 been tested in a heavy way, help wanted. 429 There are known bugs: 430 - It can hang, on a SAMA5D4, after several transfers. 431 - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as 432 master. 433 434config I2C_AU1550 435 tristate "Au1550/Au1200/Au1300 SMBus interface" 436 depends on MIPS_ALCHEMY 437 help 438 If you say yes to this option, support will be included for the 439 Au1550/Au1200/Au1300 SMBus interface. 440 441 This driver can also be built as a module. If so, the module 442 will be called i2c-au1550. 443 444config I2C_AXXIA 445 tristate "Axxia I2C controller" 446 depends on ARCH_AXXIA || COMPILE_TEST 447 default ARCH_AXXIA 448 select I2C_SLAVE 449 help 450 Say yes if you want to support the I2C bus on Axxia platforms. 451 452 Please note that this controller is limited to transfers of maximum 453 255 bytes in length. Any attempt to to a larger transfer will return 454 an error. 455 456config I2C_BCM2835 457 tristate "Broadcom BCM2835 I2C controller" 458 depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST 459 depends on COMMON_CLK 460 help 461 If you say yes to this option, support will be included for the 462 BCM2835 I2C controller. 463 464 If you don't know what to do here, say N. 465 466 This support is also available as a module. If so, the module 467 will be called i2c-bcm2835. 468 469config I2C_BCM_IPROC 470 tristate "Broadcom iProc I2C controller" 471 depends on ARCH_BCM_IPROC || COMPILE_TEST 472 default ARCH_BCM_IPROC 473 select I2C_SLAVE 474 help 475 If you say yes to this option, support will be included for the 476 Broadcom iProc I2C controller. 477 478 If you don't know what to do here, say N. 479 480config I2C_BCM_KONA 481 tristate "BCM Kona I2C adapter" 482 depends on ARCH_BCM_MOBILE || COMPILE_TEST 483 default y if ARCH_BCM_MOBILE 484 help 485 If you say yes to this option, support will be included for the 486 I2C interface on the Broadcom Kona family of processors. 487 488 If you do not need KONA I2C interface, say N. 489 490config I2C_BRCMSTB 491 tristate "BRCM Settop/DSL I2C controller" 492 depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \ 493 BMIPS_GENERIC || COMPILE_TEST 494 default y 495 help 496 If you say yes to this option, support will be included for the 497 I2C interface on the Broadcom Settop/DSL SoCs. 498 499 If you do not need I2C interface, say N. 500 501config I2C_CADENCE 502 tristate "Cadence I2C Controller" 503 depends on ARCH_ZYNQ || ARM64 || XTENSA || COMPILE_TEST 504 help 505 Say yes here to select Cadence I2C Host Controller. This controller is 506 e.g. used by Xilinx Zynq. 507 508config I2C_CBUS_GPIO 509 tristate "CBUS I2C driver" 510 depends on GPIOLIB || COMPILE_TEST 511 help 512 Support for CBUS access using I2C API. Mostly relevant for Nokia 513 Internet Tablets (770, N800 and N810). 514 515 This driver can also be built as a module. If so, the module 516 will be called i2c-cbus-gpio. 517 518config I2C_CPM 519 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 520 depends on CPM1 || CPM2 521 help 522 This supports the use of the I2C interface on Freescale 523 processors with CPM1 or CPM2. 524 525 This driver can also be built as a module. If so, the module 526 will be called i2c-cpm. 527 528config I2C_DAVINCI 529 tristate "DaVinci I2C driver" 530 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 531 help 532 Support for TI DaVinci I2C controller driver. 533 534 This driver can also be built as a module. If so, the module 535 will be called i2c-davinci. 536 537 Please note that this driver might be needed to bring up other 538 devices such as DaVinci NIC. 539 For details please see http://www.ti.com/davinci 540 541config I2C_DESIGNWARE_CORE 542 tristate 543 select REGMAP 544 545config I2C_DESIGNWARE_SLAVE 546 bool "Synopsys DesignWare Slave" 547 depends on I2C_DESIGNWARE_CORE 548 select I2C_SLAVE 549 help 550 If you say yes to this option, support will be included for the 551 Synopsys DesignWare I2C slave adapter. 552 553 This is not a standalone module, this module compiles together with 554 i2c-designware-core. 555 556config I2C_DESIGNWARE_PLATFORM 557 tristate "Synopsys DesignWare Platform" 558 depends on (ACPI && COMMON_CLK) || !ACPI 559 select I2C_DESIGNWARE_CORE 560 select MFD_SYSCON if MIPS_BAIKAL_T1 561 help 562 If you say yes to this option, support will be included for the 563 Synopsys DesignWare I2C adapter. 564 565 This driver can also be built as a module. If so, the module 566 will be called i2c-designware-platform. 567 568config I2C_DESIGNWARE_AMDPSP 569 bool "AMD PSP I2C semaphore support" 570 depends on ACPI 571 depends on CRYPTO_DEV_SP_PSP 572 depends on PCI 573 depends on I2C_DESIGNWARE_PLATFORM 574 depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \ 575 (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD) 576 help 577 This driver enables managed host access to the selected I2C bus shared 578 between AMD CPU and AMD PSP. 579 580 You should say Y if running on an AMD system equipped with the PSP. 581 582config I2C_DESIGNWARE_BAYTRAIL 583 bool "Intel Baytrail I2C semaphore support" 584 depends on ACPI 585 depends on I2C_DESIGNWARE_PLATFORM 586 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 587 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 588 help 589 This driver enables managed host access to the PMIC I2C bus on select 590 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 591 the host to request uninterrupted access to the PMIC's I2C bus from 592 the platform firmware controlling it. You should say Y if running on 593 a BayTrail system using the AXP288. 594 595config I2C_DESIGNWARE_PCI 596 tristate "Synopsys DesignWare PCI" 597 depends on PCI 598 select I2C_DESIGNWARE_CORE 599 select I2C_CCGX_UCSI 600 help 601 If you say yes to this option, support will be included for the 602 Synopsys DesignWare I2C adapter. Only master mode is supported. 603 604 This driver can also be built as a module. If so, the module 605 will be called i2c-designware-pci. 606 607config I2C_DIGICOLOR 608 tristate "Conexant Digicolor I2C driver" 609 depends on ARCH_DIGICOLOR || COMPILE_TEST 610 help 611 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 612 613 This driver can also be built as a module. If so, the module 614 will be called i2c-digicolor. 615 616config I2C_EG20T 617 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 618 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 619 help 620 This driver is for PCH(Platform controller Hub) I2C of EG20T which 621 is an IOH(Input/Output Hub) for x86 embedded processor. 622 This driver can access PCH I2C bus device. 623 624 This driver also can be used for LAPIS Semiconductor IOH(Input/ 625 Output Hub), ML7213, ML7223 and ML7831. 626 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 627 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 628 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 629 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 630 631config I2C_EMEV2 632 tristate "EMMA Mobile series I2C adapter" 633 depends on HAVE_CLK 634 select I2C_SLAVE 635 help 636 If you say yes to this option, support will be included for the 637 I2C interface on the Renesas Electronics EM/EV family of processors. 638 639config I2C_EXYNOS5 640 tristate "Exynos high-speed I2C driver" 641 depends on OF 642 depends on ARCH_EXYNOS || COMPILE_TEST 643 default y if ARCH_EXYNOS 644 help 645 High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs: 646 Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800, 647 Exynos5433, Exynos7, Exynos850 and ExynosAutoV9. 648 Choose Y here only if you build for such Samsung SoC. 649 650config I2C_GPIO 651 tristate "GPIO-based bitbanging I2C" 652 depends on GPIOLIB || COMPILE_TEST 653 select I2C_ALGOBIT 654 help 655 This is a very simple bitbanging I2C driver utilizing the 656 arch-neutral GPIO API to control the SCL and SDA lines. 657 658config I2C_GPIO_FAULT_INJECTOR 659 bool "GPIO-based fault injector" 660 depends on I2C_GPIO 661 help 662 This adds some functionality to the i2c-gpio driver which can inject 663 faults to an I2C bus, so another bus master can be stress-tested. 664 This is for debugging. If unsure, say 'no'. 665 666config I2C_GXP 667 tristate "GXP I2C Interface" 668 depends on ARCH_HPE_GXP || COMPILE_TEST 669 help 670 This enables support for GXP I2C interface. The I2C engines can be 671 either I2C master or I2C slaves. 672 673config I2C_HIGHLANDER 674 tristate "Highlander FPGA SMBus interface" 675 depends on SH_HIGHLANDER || COMPILE_TEST 676 help 677 If you say yes to this option, support will be included for 678 the SMBus interface located in the FPGA on various Highlander 679 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 680 FPGAs. This is wholly unrelated to the SoC I2C. 681 682 This driver can also be built as a module. If so, the module 683 will be called i2c-highlander. 684 685config I2C_HISI 686 tristate "HiSilicon I2C controller" 687 depends on ARM64 || COMPILE_TEST 688 help 689 Say Y here if you want to have Hisilicon I2C controller support 690 available on the Kunpeng Server. 691 692 This driver can also be built as a module. If so, the module 693 will be called i2c-hisi. 694 695config I2C_IBM_IIC 696 tristate "IBM PPC 4xx on-chip I2C interface" 697 depends on 4xx 698 help 699 Say Y here if you want to use IIC peripheral found on 700 embedded IBM PPC 4xx based systems. 701 702 This driver can also be built as a module. If so, the module 703 will be called i2c-ibm_iic. 704 705config I2C_IMG 706 tristate "Imagination Technologies I2C SCB Controller" 707 depends on MIPS || COMPILE_TEST 708 help 709 Say Y here if you want to use the IMG I2C SCB controller, 710 available on the TZ1090 and other IMG SoCs. 711 712 This driver can also be built as a module. If so, the module 713 will be called i2c-img-scb. 714 715config I2C_IMX 716 tristate "IMX I2C interface" 717 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST 718 select I2C_SLAVE 719 help 720 Say Y here if you want to use the IIC bus controller on 721 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 722 723 This driver can also be built as a module. If so, the module 724 will be called i2c-imx. 725 726config I2C_IMX_LPI2C 727 tristate "IMX Low Power I2C interface" 728 depends on ARCH_MXC || COMPILE_TEST 729 help 730 Say Y here if you want to use the Low Power IIC bus controller 731 on the Freescale i.MX processors. 732 733 This driver can also be built as a module. If so, the module 734 will be called i2c-imx-lpi2c. 735 736config I2C_IOP3XX 737 tristate "Intel IXP4xx on-chip I2C interface" 738 depends on ARCH_IXP4XX || COMPILE_TEST 739 help 740 Say Y here if you want to use the IIC bus controller on 741 the Intel IXP4xx Network Processors. 742 743 This driver can also be built as a module. If so, the module 744 will be called i2c-iop3xx. 745 746config I2C_JZ4780 747 tristate "JZ4780 I2C controller interface support" 748 depends on MIPS || COMPILE_TEST 749 help 750 If you say yes to this option, support will be included for the 751 Ingenic JZ4780 I2C controller. 752 753 If you don't know what to do here, say N. 754 755config I2C_KEMPLD 756 tristate "Kontron COM I2C Controller" 757 depends on MFD_KEMPLD 758 help 759 This enables support for the I2C bus interface on some Kontron ETX 760 and COMexpress (ETXexpress) modules. 761 762 This driver can also be built as a module. If so, the module 763 will be called i2c-kempld. 764 765config I2C_LPC2K 766 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 767 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 768 help 769 This driver supports the I2C interface found several NXP 770 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 771 772 This driver can also be built as a module. If so, the module 773 will be called i2c-lpc2k. 774 775config I2C_LS2X 776 tristate "Loongson LS2X I2C adapter" 777 depends on MACH_LOONGSON64 || COMPILE_TEST 778 help 779 If you say yes to this option, support will be included for the 780 I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge 781 chip. 782 783 This driver can also be built as a module. If so, the module 784 will be called i2c-ls2x. 785 786config I2C_MLXBF 787 tristate "Mellanox BlueField I2C controller" 788 depends on MELLANOX_PLATFORM && ARM64 789 depends on ACPI 790 select I2C_SLAVE 791 help 792 Enabling this option will add I2C SMBus support for Mellanox BlueField 793 system. 794 795 This driver can also be built as a module. If so, the module will be 796 called i2c-mlxbf. 797 798 This driver implements an I2C SMBus host controller and enables both 799 master and slave functions. 800 801config I2C_MESON 802 tristate "Amlogic Meson I2C controller" 803 depends on ARCH_MESON || COMPILE_TEST 804 depends on COMMON_CLK 805 help 806 If you say yes to this option, support will be included for the 807 I2C interface on the Amlogic Meson family of SoCs. 808 809config I2C_MICROCHIP_CORE 810 tristate "Microchip FPGA I2C controller" 811 depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST 812 depends on OF 813 help 814 If you say yes to this option, support will be included for the 815 I2C interface on Microchip FPGAs. 816 817 This driver can also be built as a module. If so, the module will be 818 called i2c-microchip-core. 819 820config I2C_MPC 821 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 822 depends on PPC 823 help 824 If you say yes to this option, support will be included for the 825 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 826 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 827 828 This driver can also be built as a module. If so, the module 829 will be called i2c-mpc. 830 831config I2C_MT65XX 832 tristate "MediaTek I2C adapter" 833 depends on ARCH_MEDIATEK || COMPILE_TEST 834 help 835 This selects the MediaTek(R) Integrated Inter Circuit bus driver 836 for MT65xx and MT81xx. 837 If you want to use MediaTek(R) I2C interface, say Y or M here. 838 If unsure, say N. 839 840config I2C_MT7621 841 tristate "MT7621/MT7628 I2C Controller" 842 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST 843 help 844 Say Y here to include support for I2C controller in the 845 MediaTek MT7621/MT7628 SoCs. 846 847config I2C_MV64XXX 848 tristate "Marvell mv64xxx I2C Controller" 849 depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST 850 help 851 If you say yes to this option, support will be included for the 852 built-in I2C interface on the Marvell 64xxx line of host bridges. 853 This driver is also used for Allwinner SoCs I2C controllers. 854 855 This driver can also be built as a module. If so, the module 856 will be called i2c-mv64xxx. 857 858config I2C_MXS 859 tristate "Freescale i.MX28 I2C interface" 860 depends on SOC_IMX28 || COMPILE_TEST 861 select STMP_DEVICE 862 help 863 Say Y here if you want to use the I2C bus controller on 864 the Freescale i.MX28 processors. 865 866 This driver can also be built as a module. If so, the module 867 will be called i2c-mxs. 868 869config I2C_NOMADIK 870 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 871 depends on ARM_AMBA 872 help 873 If you say yes to this option, support will be included for the 874 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 875 as well as the STA2X11 PCIe I/O HUB. 876 877config I2C_NPCM 878 tristate "Nuvoton I2C Controller" 879 depends on ARCH_NPCM || COMPILE_TEST 880 help 881 If you say yes to this option, support will be included for the 882 Nuvoton I2C controller, which is available on the NPCM BMC 883 controllers. 884 Driver can also support slave mode (select I2C_SLAVE). 885 886config I2C_OCORES 887 tristate "OpenCores I2C Controller" 888 help 889 If you say yes to this option, support will be included for the 890 OpenCores I2C controller. For details see 891 http://www.opencores.org/projects.cgi/web/i2c/overview 892 893 This driver can also be built as a module. If so, the module 894 will be called i2c-ocores. 895 896config I2C_OMAP 897 tristate "OMAP I2C adapter" 898 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST 899 default MACH_OMAP_OSK 900 help 901 If you say yes to this option, support will be included for the 902 I2C interface on the Texas Instruments OMAP1/2 family of processors. 903 Like OMAP1510/1610/1710/5912 and OMAP242x. 904 For details see http://www.ti.com/omap. 905 906config I2C_OWL 907 tristate "Actions Semiconductor Owl I2C Controller" 908 depends on ARCH_ACTIONS || COMPILE_TEST 909 help 910 Say Y here if you want to use the I2C bus controller on 911 the Actions Semiconductor Owl SoC's. 912 913config I2C_PASEMI 914 tristate "PA Semi SMBus interface" 915 depends on PPC_PASEMI && PCI 916 help 917 Supports the PA Semi PWRficient on-chip SMBus interfaces. 918 919config I2C_APPLE 920 tristate "Apple SMBus platform driver" 921 depends on !I2C_PASEMI 922 depends on ARCH_APPLE || COMPILE_TEST 923 default ARCH_APPLE 924 help 925 Say Y here if you want to use the I2C controller present on Apple 926 Silicon chips such as the M1. 927 928 This driver can also be built as a module. If so, the module 929 will be called i2c-apple. 930 931config I2C_PCA_PLATFORM 932 tristate "PCA9564/PCA9665 as platform device" 933 select I2C_ALGOPCA 934 help 935 This driver supports a memory mapped Philips PCA9564/PCA9665 936 parallel bus to I2C bus controller. 937 938 This driver can also be built as a module. If so, the module 939 will be called i2c-pca-platform. 940 941config I2C_PNX 942 tristate "I2C bus support for Philips PNX and NXP LPC targets" 943 depends on ARCH_LPC32XX || COMPILE_TEST 944 help 945 This driver supports the Philips IP3204 I2C IP block master and/or 946 slave controller 947 948 This driver can also be built as a module. If so, the module 949 will be called i2c-pnx. 950 951config I2C_PXA 952 tristate "Intel PXA2XX I2C adapter" 953 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST 954 help 955 If you have devices in the PXA I2C bus, say yes to this option. 956 This driver can also be built as a module. If so, the module 957 will be called i2c-pxa. 958 959config I2C_PXA_PCI 960 def_bool I2C_PXA && X86_32 && PCI && OF 961 962config I2C_PXA_SLAVE 963 bool "Intel PXA2XX I2C Slave comms support" 964 depends on I2C_PXA && !X86_32 965 select I2C_SLAVE 966 help 967 Support I2C slave mode communications on the PXA I2C bus. This 968 is necessary for systems where the PXA may be a target on the 969 I2C bus. 970 971config I2C_QCOM_CCI 972 tristate "Qualcomm Camera Control Interface" 973 depends on ARCH_QCOM || COMPILE_TEST 974 help 975 If you say yes to this option, support will be included for the 976 built-in camera control interface on the Qualcomm SoCs. 977 978 This driver can also be built as a module. If so, the module 979 will be called i2c-qcom-cci. 980 981config I2C_QCOM_GENI 982 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 983 depends on ARCH_QCOM || COMPILE_TEST 984 depends on QCOM_GENI_SE 985 help 986 This driver supports GENI serial engine based I2C controller in 987 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 988 yes to this option, support will be included for the built-in I2C 989 interface on the Qualcomm Technologies Inc.'s SoCs. 990 991 This driver can also be built as a module. If so, the module 992 will be called i2c-qcom-geni. 993 994config I2C_QUP 995 tristate "Qualcomm QUP based I2C controller" 996 depends on ARCH_QCOM || COMPILE_TEST 997 help 998 If you say yes to this option, support will be included for the 999 built-in I2C interface on the Qualcomm SoCs. 1000 1001 This driver can also be built as a module. If so, the module 1002 will be called i2c-qup. 1003 1004config I2C_RIIC 1005 tristate "Renesas RIIC adapter" 1006 depends on ARCH_RENESAS || COMPILE_TEST 1007 help 1008 If you say yes to this option, support will be included for the 1009 Renesas RIIC I2C interface. 1010 1011 This driver can also be built as a module. If so, the module 1012 will be called i2c-riic. 1013 1014config I2C_RK3X 1015 tristate "Rockchip RK3xxx I2C adapter" 1016 depends on OF && COMMON_CLK 1017 help 1018 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 1019 SoCs. 1020 1021 This driver can also be built as a module. If so, the module will 1022 be called i2c-rk3x. 1023 1024config I2C_RZV2M 1025 tristate "Renesas RZ/V2M adapter" 1026 depends on ARCH_RENESAS || COMPILE_TEST 1027 help 1028 If you say yes to this option, support will be included for the 1029 Renesas RZ/V2M I2C interface. 1030 1031 This driver can also be built as a module. If so, the module 1032 will be called i2c-rzv2m. 1033 1034config I2C_S3C2410 1035 tristate "S3C/Exynos I2C Driver" 1036 depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 1037 help 1038 Say Y here to include support for I2C controller in the 1039 Samsung SoCs (S3C, S5Pv210, Exynos). 1040 1041config I2C_SH7760 1042 tristate "Renesas SH7760 I2C Controller" 1043 depends on CPU_SUBTYPE_SH7760 1044 help 1045 This driver supports the 2 I2C interfaces on the Renesas SH7760. 1046 1047 This driver can also be built as a module. If so, the module 1048 will be called i2c-sh7760. 1049 1050config I2C_SH_MOBILE 1051 tristate "SuperH Mobile I2C Controller" 1052 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 1053 help 1054 If you say yes to this option, support will be included for the 1055 built-in I2C interface on the Renesas SH-Mobile processor. 1056 1057 This driver can also be built as a module. If so, the module 1058 will be called i2c-sh_mobile. 1059 1060config I2C_SIMTEC 1061 tristate "Simtec Generic I2C interface" 1062 select I2C_ALGOBIT 1063 help 1064 If you say yes to this option, support will be included for 1065 the Simtec Generic I2C interface. This driver is for the 1066 simple I2C bus used on newer Simtec products for general 1067 I2C, such as DDC on the Simtec BBD2016A. 1068 1069 This driver can also be built as a module. If so, the module 1070 will be called i2c-simtec. 1071 1072config I2C_SPRD 1073 tristate "Spreadtrum I2C interface" 1074 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST) 1075 depends on COMMON_CLK 1076 help 1077 If you say yes to this option, support will be included for the 1078 Spreadtrum I2C interface. 1079 1080config I2C_ST 1081 tristate "STMicroelectronics SSC I2C support" 1082 depends on ARCH_STI || COMPILE_TEST 1083 help 1084 Enable this option to add support for STMicroelectronics SoCs 1085 hardware SSC (Synchronous Serial Controller) as an I2C controller. 1086 1087 This driver can also be built as module. If so, the module 1088 will be called i2c-st. 1089 1090config I2C_STM32F4 1091 tristate "STMicroelectronics STM32F4 I2C support" 1092 depends on ARCH_STM32 || COMPILE_TEST 1093 help 1094 Enable this option to add support for STM32 I2C controller embedded 1095 in STM32F4 SoCs. 1096 1097 This driver can also be built as module. If so, the module 1098 will be called i2c-stm32f4. 1099 1100config I2C_STM32F7 1101 tristate "STMicroelectronics STM32F7 I2C support" 1102 depends on ARCH_STM32 || COMPILE_TEST 1103 select I2C_SLAVE 1104 select I2C_SMBUS 1105 help 1106 Enable this option to add support for STM32 I2C controller embedded 1107 in STM32F7 SoCs. 1108 1109 This driver can also be built as module. If so, the module 1110 will be called i2c-stm32f7. 1111 1112config I2C_SUN6I_P2WI 1113 tristate "Allwinner sun6i internal P2WI controller" 1114 depends on RESET_CONTROLLER 1115 depends on MACH_SUN6I || COMPILE_TEST 1116 help 1117 If you say yes to this option, support will be included for the 1118 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1119 SOCs. 1120 The P2WI looks like an SMBus controller (which supports only byte 1121 accesses), except that it only supports one slave device. 1122 This interface is used to connect to specific PMIC devices (like the 1123 AXP221). 1124 1125config I2C_SYNQUACER 1126 tristate "Socionext SynQuacer I2C controller" 1127 depends on ARCH_SYNQUACER || COMPILE_TEST 1128 help 1129 Say Y here to include support for the I2C controller used in some 1130 Fujitsu and Socionext SoCs. 1131 1132 This driver can also be built as a module. If so, the module 1133 will be called i2c-synquacer. 1134 1135config I2C_TEGRA 1136 tristate "NVIDIA Tegra internal I2C controller" 1137 depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC)) 1138 # COMPILE_TEST needs architectures with readsX()/writesX() primitives 1139 help 1140 If you say yes to this option, support will be included for the 1141 I2C controller embedded in NVIDIA Tegra SOCs 1142 1143config I2C_TEGRA_BPMP 1144 tristate "NVIDIA Tegra BPMP I2C controller" 1145 depends on TEGRA_BPMP || COMPILE_TEST 1146 default y if TEGRA_BPMP 1147 help 1148 If you say yes to this option, support will be included for the I2C 1149 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1150 1151 This I2C driver is a 'virtual' I2C driver. The real driver is part 1152 of the BPMP firmware, and this driver merely communicates with that 1153 real driver. 1154 1155config I2C_UNIPHIER 1156 tristate "UniPhier FIFO-less I2C controller" 1157 depends on ARCH_UNIPHIER || COMPILE_TEST 1158 help 1159 If you say yes to this option, support will be included for 1160 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1161 or older UniPhier SoCs. 1162 1163config I2C_UNIPHIER_F 1164 tristate "UniPhier FIFO-builtin I2C controller" 1165 depends on ARCH_UNIPHIER || COMPILE_TEST 1166 help 1167 If you say yes to this option, support will be included for 1168 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1169 PH1-Pro5, or newer UniPhier SoCs. 1170 1171config I2C_VERSATILE 1172 tristate "ARM Versatile/Realview I2C bus support" 1173 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1174 select I2C_ALGOBIT 1175 help 1176 Say yes if you want to support the I2C serial bus on ARMs Versatile 1177 range of platforms. 1178 1179 This driver can also be built as a module. If so, the module 1180 will be called i2c-versatile. 1181 1182config I2C_WMT 1183 tristate "Wondermedia WM8xxx SoC I2C bus support" 1184 depends on ARCH_VT8500 || COMPILE_TEST 1185 help 1186 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1187 SoCs. 1188 1189 This driver can also be built as a module. If so, the module will be 1190 called i2c-wmt. 1191 1192config I2C_OCTEON 1193 tristate "Cavium OCTEON I2C bus support" 1194 depends on CAVIUM_OCTEON_SOC 1195 help 1196 Say yes if you want to support the I2C serial bus on Cavium 1197 OCTEON SOC. 1198 1199 This driver can also be built as a module. If so, the module 1200 will be called i2c-octeon. 1201 1202config I2C_THUNDERX 1203 tristate "Cavium ThunderX I2C bus support" 1204 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1205 select I2C_SMBUS 1206 help 1207 Say yes if you want to support the I2C serial bus on Cavium 1208 ThunderX SOC. 1209 1210 This driver can also be built as a module. If so, the module 1211 will be called i2c-thunderx. 1212 1213config I2C_XILINX 1214 tristate "Xilinx I2C Controller" 1215 depends on HAS_IOMEM 1216 help 1217 If you say yes to this option, support will be included for the 1218 Xilinx I2C controller. 1219 1220 This driver can also be built as a module. If so, the module 1221 will be called xilinx_i2c. 1222 1223config I2C_XLP9XX 1224 tristate "Cavium ThunderX2 I2C support" 1225 depends on ARCH_THUNDER2 || COMPILE_TEST 1226 help 1227 This driver enables support for the on-chip I2C interface of 1228 the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.) 1229 1230 This driver can also be built as a module. If so, the module will 1231 be called i2c-xlp9xx. 1232 1233config I2C_RCAR 1234 tristate "Renesas R-Car I2C Controller" 1235 depends on ARCH_RENESAS || COMPILE_TEST 1236 select I2C_SLAVE 1237 select I2C_SMBUS 1238 select RESET_CONTROLLER if ARCH_RCAR_GEN3 1239 help 1240 If you say yes to this option, support will be included for the 1241 R-Car I2C controller. 1242 1243 This driver can also be built as a module. If so, the module 1244 will be called i2c-rcar. 1245 1246comment "External I2C/SMBus adapter drivers" 1247 1248config I2C_DIOLAN_U2C 1249 tristate "Diolan U2C-12 USB adapter" 1250 depends on USB 1251 help 1252 If you say yes to this option, support will be included for Diolan 1253 U2C-12, a USB to I2C interface. 1254 1255 This driver can also be built as a module. If so, the module 1256 will be called i2c-diolan-u2c. 1257 1258config I2C_DLN2 1259 tristate "Diolan DLN-2 USB I2C adapter" 1260 depends on MFD_DLN2 1261 help 1262 If you say yes to this option, support will be included for Diolan 1263 DLN2, a USB to I2C interface. 1264 1265 This driver can also be built as a module. If so, the module 1266 will be called i2c-dln2. 1267 1268config I2C_CP2615 1269 tristate "Silicon Labs CP2615 USB sound card and I2C adapter" 1270 depends on USB 1271 help 1272 If you say yes to this option, support will be included for Silicon 1273 Labs CP2615's I2C interface. 1274 1275 This driver can also be built as a module. If so, the module 1276 will be called i2c-cp2615. 1277 1278config I2C_PARPORT 1279 tristate "Parallel port adapter" 1280 depends on PARPORT 1281 select I2C_ALGOBIT 1282 select I2C_SMBUS 1283 help 1284 This supports parallel port I2C adapters such as the ones made by 1285 Philips or Velleman, Analog Devices evaluation boards, and more. 1286 Basically any adapter using the parallel port as an I2C bus with 1287 no extra chipset is supported by this driver, or could be. Please 1288 read the file Documentation/i2c/busses/i2c-parport.rst for details. 1289 1290 This support is also available as a module. If so, the module 1291 will be called i2c-parport. 1292 1293config I2C_PCI1XXXX 1294 tristate "PCI1XXXX I2C Host Adapter" 1295 depends on PCI 1296 help 1297 If you say yes to this option, support will be included for 1298 Microchip PCI1XXXX's I2C interface. 1299 1300 This driver can also be built as a module. If so, the module will 1301 be called i2c-mchp-pci1xxxx. 1302 1303config I2C_ROBOTFUZZ_OSIF 1304 tristate "RobotFuzz Open Source InterFace USB adapter" 1305 depends on USB 1306 help 1307 If you say yes to this option, support will be included for the 1308 RobotFuzz Open Source InterFace USB to I2C interface. 1309 1310 This driver can also be built as a module. If so, the module 1311 will be called i2c-osif. 1312 1313config I2C_TAOS_EVM 1314 tristate "TAOS evaluation module" 1315 depends on TTY 1316 select SERIO 1317 select SERIO_SERPORT 1318 help 1319 This supports TAOS evaluation modules on serial port. In order to 1320 use this driver, you will need the inputattach tool, which is part 1321 of the input-utils package. 1322 1323 If unsure, say N. 1324 1325 This support is also available as a module. If so, the module 1326 will be called i2c-taos-evm. 1327 1328config I2C_TINY_USB 1329 tristate "Tiny-USB adapter" 1330 depends on USB 1331 help 1332 If you say yes to this option, support will be included for the 1333 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1334 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1335 1336 This driver can also be built as a module. If so, the module 1337 will be called i2c-tiny-usb. 1338 1339config I2C_VIPERBOARD 1340 tristate "Viperboard I2C master support" 1341 depends on MFD_VIPERBOARD && USB 1342 help 1343 Say yes here to access the I2C part of the Nano River 1344 Technologies Viperboard as I2C master. 1345 See viperboard API specification and Nano 1346 River Tech's viperboard.h for detailed meaning 1347 of the module parameters. 1348 1349comment "Other I2C/SMBus bus drivers" 1350 1351config I2C_ACORN 1352 tristate "Acorn IOC/IOMD I2C bus support" 1353 depends on ARCH_ACORN 1354 default y 1355 select I2C_ALGOBIT 1356 help 1357 Say yes if you want to support the I2C bus on Acorn platforms. 1358 1359 If you don't know, say Y. 1360 1361config I2C_ELEKTOR 1362 tristate "Elektor ISA card" 1363 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1364 select I2C_ALGOPCF 1365 help 1366 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1367 such an adapter. 1368 1369 This support is also available as a module. If so, the module 1370 will be called i2c-elektor. 1371 1372config I2C_ICY 1373 tristate "ICY Zorro card" 1374 depends on ZORRO 1375 select I2C_ALGOPCF 1376 help 1377 This supports the PCF8584 Zorro bus I2C adapter, known as ICY. 1378 Say Y if you own such an adapter. 1379 1380 This support is also available as a module. If so, the module 1381 will be called i2c-icy. 1382 1383 If you have a 2019 edition board with an LTC2990 sensor at address 1384 0x4c, loading the module 'ltc2990' is sufficient to enable it. 1385 1386config I2C_MLXCPLD 1387 tristate "Mellanox I2C driver" 1388 depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST 1389 help 1390 This exposes the Mellanox platform I2C busses to the linux I2C layer 1391 for X86 and ARM64/ACPI based systems. 1392 Controller is implemented as CPLD logic. 1393 1394 This driver can also be built as a module. If so, the module will be 1395 called as i2c-mlxcpld. 1396 1397config I2C_PCA_ISA 1398 tristate "PCA9564/PCA9665 on an ISA bus" 1399 depends on ISA 1400 select I2C_ALGOPCA 1401 help 1402 This driver supports ISA boards using the Philips PCA9564/PCA9665 1403 parallel bus to I2C bus controller. 1404 1405 This driver can also be built as a module. If so, the module 1406 will be called i2c-pca-isa. 1407 1408 This device is almost undetectable and using this driver on a 1409 system which doesn't have this device will result in long 1410 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1411 time). If unsure, say N. 1412 1413config I2C_SIBYTE 1414 tristate "SiByte SMBus interface" 1415 depends on SIBYTE_SB1xxx_SOC 1416 help 1417 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1418 1419config I2C_CROS_EC_TUNNEL 1420 tristate "ChromeOS EC tunnel I2C bus" 1421 depends on CROS_EC 1422 help 1423 If you say yes here you get an I2C bus that will tunnel i2c commands 1424 through to the other side of the ChromeOS EC to the i2c bus 1425 connected there. This will work whatever the interface used to 1426 talk to the EC (SPI, I2C or LPC). 1427 1428config I2C_XGENE_SLIMPRO 1429 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1430 depends on ARCH_XGENE && MAILBOX 1431 help 1432 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1433 co-processor. The I2C device access the I2C bus via the X-Gene 1434 to SLIMpro (On chip coprocessor) mailbox mechanism. 1435 If unsure, say N. 1436 1437config SCx200_ACB 1438 tristate "Geode ACCESS.bus support" 1439 depends on X86_32 && PCI 1440 help 1441 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1442 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1443 1444 If you don't know what to do here, say N. 1445 1446 This support is also available as a module. If so, the module 1447 will be called scx200_acb. 1448 1449config I2C_OPAL 1450 tristate "IBM OPAL I2C driver" 1451 depends on PPC_POWERNV 1452 default y 1453 help 1454 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1455 the driver is based on the OPAL interfaces. 1456 1457 This driver can also be built as a module. If so, the module will be 1458 called as i2c-opal. 1459 1460config I2C_FSI 1461 tristate "FSI I2C driver" 1462 depends on FSI 1463 help 1464 Driver for FSI bus attached I2C masters. These are I2C masters that 1465 are connected to the system over an FSI bus, instead of the more 1466 common PCI or MMIO interface. 1467 1468 This driver can also be built as a module. If so, the module will be 1469 called as i2c-fsi. 1470 1471config I2C_VIRTIO 1472 tristate "Virtio I2C Adapter" 1473 select VIRTIO 1474 help 1475 If you say yes to this option, support will be included for the virtio 1476 I2C adapter driver. The hardware can be emulated by any device model 1477 software according to the virtio protocol. 1478 1479 This driver can also be built as a module. If so, the module 1480 will be called i2c-virtio. 1481 1482endmenu 1483