1# SPDX-License-Identifier: GPL-2.0-only 2# 3# Sensor device configuration 4# 5 6menu "I2C Hardware Bus support" 7 depends on HAS_IOMEM 8 9comment "PC SMBus host controller drivers" 10 depends on PCI 11 12config I2C_CCGX_UCSI 13 tristate 14 help 15 A common module to provide an API to instantiate UCSI device 16 for Cypress CCGx Type-C controller. Individual bus drivers 17 need to select this one on demand. 18 19config I2C_ALI1535 20 tristate "ALI 1535" 21 depends on PCI && HAS_IOPORT 22 help 23 If you say yes to this option, support will be included for the SMB 24 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB 25 controller is part of the 7101 device, which is an ACPI-compliant 26 Power Management Unit (PMU). 27 28 This driver can also be built as a module. If so, the module 29 will be called i2c-ali1535. 30 31config I2C_ALI1563 32 tristate "ALI 1563" 33 depends on PCI && HAS_IOPORT 34 help 35 If you say yes to this option, support will be included for the SMB 36 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB 37 controller is part of the 7101 device, which is an ACPI-compliant 38 Power Management Unit (PMU). 39 40 This driver can also be built as a module. If so, the module 41 will be called i2c-ali1563. 42 43config I2C_ALI15X3 44 tristate "ALI 15x3" 45 depends on PCI && HAS_IOPORT 46 help 47 If you say yes to this option, support will be included for the 48 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces. 49 50 This driver can also be built as a module. If so, the module 51 will be called i2c-ali15x3. 52 53config I2C_AMD756 54 tristate "AMD 756/766/768/8111 and nVidia nForce" 55 depends on PCI && HAS_IOPORT 56 help 57 If you say yes to this option, support will be included for the AMD 58 756/766/768 mainboard I2C interfaces. The driver also includes 59 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and 60 the nVidia nForce I2C interface. 61 62 This driver can also be built as a module. If so, the module 63 will be called i2c-amd756. 64 65config I2C_AMD8111 66 tristate "AMD 8111" 67 depends on PCI && HAS_IOPORT 68 help 69 If you say yes to this option, support will be included for the 70 second (SMBus 2.0) AMD 8111 mainboard I2C interface. 71 72 This driver can also be built as a module. If so, the module 73 will be called i2c-amd8111. 74 75config I2C_AMD_MP2 76 tristate "AMD MP2 PCIe" 77 depends on PCI && ACPI 78 help 79 If you say yes to this option, support will be included for the AMD 80 MP2 PCIe I2C adapter. 81 82 This driver can also be built as modules. If so, the modules will 83 be called i2c-amd-mp2-pci and i2c-amd-mp2-plat. 84 85config I2C_AMD_ASF 86 tristate "AMD ASF I2C Controller Support" 87 depends on I2C_PIIX4 88 select I2C_SLAVE 89 help 90 This option enables support for the AMD ASF (Alert Standard Format) 91 I2C controller. The AMD ASF controller is an SMBus controller with 92 built-in ASF functionality, allowing it to issue generic SMBus 93 packets and communicate with the DASH controller using MCTP over 94 ASF. 95 96 If you have an AMD system with ASF support and want to enable this 97 functionality, say Y or M here. If unsure, say N. 98 99 To compile this driver as a module, choose M here: the module will 100 be called i2c_amd_asf_plat. 101 102config I2C_HIX5HD2 103 tristate "Hix5hd2 high-speed I2C driver" 104 depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST 105 help 106 Say Y here to include support for the high-speed I2C controller 107 used in HiSilicon hix5hd2 SoCs. 108 109 This driver can also be built as a module. If so, the module 110 will be called i2c-hix5hd2. 111 112config I2C_I801 113 tristate "Intel 82801 (ICH/PCH)" 114 depends on PCI && HAS_IOPORT 115 select P2SB if X86 116 select CHECK_SIGNATURE if X86 && DMI 117 select I2C_SMBUS 118 help 119 If you say yes to this option, support will be included for the Intel 120 801 family of mainboard I2C interfaces. Specifically, the following 121 versions of the chipset are supported: 122 82801AA 123 82801AB 124 82801BA 125 82801CA/CAM 126 82801DB 127 82801EB/ER (ICH5/ICH5R) 128 6300ESB 129 ICH6 130 ICH7 131 ESB2 132 ICH8 133 ICH9 134 EP80579 (Tolapai) 135 ICH10 136 5/3400 Series (PCH) 137 6 Series (PCH) 138 Patsburg (PCH) 139 DH89xxCC (PCH) 140 Panther Point (PCH) 141 Lynx Point (PCH) 142 Avoton (SOC) 143 Wellsburg (PCH) 144 Coleto Creek (PCH) 145 Wildcat Point (PCH) 146 BayTrail (SOC) 147 Braswell (SOC) 148 Sunrise Point (PCH) 149 Kaby Lake (PCH) 150 DNV (SOC) 151 Broxton (SOC) 152 Lewisburg (PCH) 153 Gemini Lake (SOC) 154 Cannon Lake (PCH) 155 Cedar Fork (PCH) 156 Ice Lake (PCH) 157 Comet Lake (PCH) 158 Elkhart Lake (PCH) 159 Tiger Lake (PCH) 160 Jasper Lake (SOC) 161 Emmitsburg (PCH) 162 Alder Lake (PCH) 163 Raptor Lake (PCH) 164 Meteor Lake (SOC and PCH) 165 Birch Stream (SOC) 166 Arrow Lake (SOC) 167 Panther Lake (SOC) 168 Wildcat Lake (SOC) 169 Diamond Rapids (SOC) 170 Nova Lake (PCH) 171 172 This driver can also be built as a module. If so, the module 173 will be called i2c-i801. 174 175config I2C_I801_MUX 176 def_bool I2C_I801 177 depends on DMI && I2C_MUX_GPIO 178 depends on !(I2C_I801=y && I2C_MUX=m) 179 help 180 Optional support for multiplexed SMBUS on certain systems with 181 more than 8 memory slots. 182 183config I2C_ISCH 184 tristate "Intel SCH SMBus 1.0" 185 depends on PCI && HAS_IOPORT 186 select LPC_SCH 187 help 188 Say Y here if you want to use SMBus controller on the Intel SCH 189 based systems. 190 191 This driver can also be built as a module. If so, the module 192 will be called i2c-isch. 193 194config I2C_ISMT 195 tristate "Intel iSMT SMBus Controller" 196 depends on PCI && X86 197 help 198 If you say yes to this option, support will be included for the Intel 199 iSMT SMBus host controller interface. 200 201 This driver can also be built as a module. If so, the module will be 202 called i2c-ismt. 203 204config I2C_PIIX4 205 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 206 depends on PCI && HAS_IOPORT 207 select I2C_SMBUS 208 help 209 If you say yes to this option, support will be included for the Intel 210 PIIX4 family of mainboard I2C interfaces. Specifically, the following 211 versions of the chipset are supported (note that Serverworks is part 212 of Broadcom): 213 Intel PIIX4 214 Intel 440MX 215 ATI IXP200 216 ATI IXP300 217 ATI IXP400 218 ATI SB600 219 ATI SB700/SP5100 220 ATI SB800 221 AMD Hudson-2 222 AMD ML 223 AMD CZ 224 Hygon CZ 225 Serverworks OSB4 226 Serverworks CSB5 227 Serverworks CSB6 228 Serverworks HT-1000 229 Serverworks HT-1100 230 SMSC Victory66 231 232 Some AMD chipsets contain two PIIX4-compatible SMBus 233 controllers. This driver will attempt to use both controllers 234 on the SB700/SP5100, if they have been initialized by the BIOS. 235 236 This driver can also be built as a module. If so, the module 237 will be called i2c-piix4. 238 239config I2C_CHT_WC 240 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 241 depends on INTEL_SOC_PMIC_CHTWC 242 help 243 If you say yes to this option, support will be included for the 244 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 245 found on some Intel Cherry Trail systems. 246 247 Note this controller is hooked up to a TI bq24292i charger-IC, 248 combined with a FUSB302 Type-C port-controller as such it is advised 249 to also select CONFIG_TYPEC_FUSB302=m. 250 251config I2C_NFORCE2 252 tristate "Nvidia nForce2, nForce3 and nForce4" 253 depends on PCI && HAS_IOPORT 254 help 255 If you say yes to this option, support will be included for the Nvidia 256 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 257 258 This driver can also be built as a module. If so, the module 259 will be called i2c-nforce2. 260 261config I2C_NVIDIA_GPU 262 tristate "NVIDIA GPU I2C controller" 263 depends on PCI 264 select I2C_CCGX_UCSI 265 help 266 If you say yes to this option, support will be included for the 267 NVIDIA GPU I2C controller which is used to communicate with the GPU's 268 Type-C controller. This driver can also be built as a module called 269 i2c-nvidia-gpu. 270 271config I2C_SIS5595 272 tristate "SiS 5595" 273 depends on PCI && HAS_IOPORT 274 help 275 If you say yes to this option, support will be included for the 276 SiS5595 SMBus (a subset of I2C) interface. 277 278 This driver can also be built as a module. If so, the module 279 will be called i2c-sis5595. 280 281config I2C_SIS630 282 tristate "SiS 630/730/964" 283 depends on PCI && HAS_IOPORT 284 help 285 If you say yes to this option, support will be included for the 286 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 287 288 This driver can also be built as a module. If so, the module 289 will be called i2c-sis630. 290 291config I2C_SIS96X 292 tristate "SiS 96x" 293 depends on PCI && HAS_IOPORT 294 help 295 If you say yes to this option, support will be included for the SiS 296 96x SMBus (a subset of I2C) interfaces. Specifically, the following 297 chipsets are supported: 298 645/961 299 645DX/961 300 645DX/962 301 648/961 302 650/961 303 735 304 745 305 306 This driver can also be built as a module. If so, the module 307 will be called i2c-sis96x. 308 309config I2C_VIA 310 tristate "VIA VT82C586B" 311 depends on PCI && HAS_IOPORT 312 select I2C_ALGOBIT 313 help 314 If you say yes to this option, support will be included for the VIA 315 82C586B I2C interface 316 317 This driver can also be built as a module. If so, the module 318 will be called i2c-via. 319 320config I2C_VIAPRO 321 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 322 depends on PCI && HAS_IOPORT 323 help 324 If you say yes to this option, support will be included for the VIA 325 VT82C596 and later SMBus interface. Specifically, the following 326 chipsets are supported: 327 VT82C596A/B 328 VT82C686A/B 329 VT8231 330 VT8233/A 331 VT8235 332 VT8237R/A/S 333 VT8251 334 CX700 335 VX800/VX820 336 VX855/VX875 337 VX900 338 339 This driver can also be built as a module. If so, the module 340 will be called i2c-viapro. 341 342if ACPI 343 344config I2C_ZHAOXIN 345 tristate "Zhaoxin I2C Interface" 346 depends on PCI || COMPILE_TEST 347 help 348 If you say yes to this option, support will be included for the 349 ZHAOXIN I2C interface 350 351 This driver can also be built as a module. If so, the module 352 will be called i2c-zhaoxin. 353 354comment "ACPI drivers" 355 356config I2C_SCMI 357 tristate "SMBus Control Method Interface" 358 help 359 This driver supports the SMBus Control Method Interface. It needs the 360 BIOS to declare ACPI control methods as described in the SMBus Control 361 Method Interface specification. 362 363 To compile this driver as a module, choose M here: 364 the module will be called i2c-scmi. 365 366endif # ACPI 367 368comment "Mac SMBus host controller drivers" 369 depends on PPC_CHRP || PPC_PMAC 370 371config I2C_HYDRA 372 tristate "CHRP Apple Hydra Mac I/O I2C interface" 373 depends on PCI && PPC_CHRP 374 select I2C_ALGOBIT 375 help 376 This supports the use of the I2C interface in the Apple Hydra Mac 377 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 378 have such a machine. 379 380 This support is also available as a module. If so, the module 381 will be called i2c-hydra. 382 383config I2C_POWERMAC 384 tristate "Powermac I2C interface" 385 depends on PPC_PMAC 386 default y 387 help 388 This exposes the various PowerMac i2c interfaces to the linux i2c 389 layer and to userland. It is used by various drivers on the PowerMac 390 platform, and should generally be enabled. 391 392 This support is also available as a module. If so, the module 393 will be called i2c-powermac. 394 395comment "I2C system bus drivers (mostly embedded / system-on-chip)" 396 397config I2C_ALTERA 398 tristate "Altera Soft IP I2C" 399 depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST 400 depends on OF 401 help 402 If you say yes to this option, support will be included for the 403 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 404 405 This driver can also be built as a module. If so, the module 406 will be called i2c-altera. 407 408config I2C_ASPEED 409 tristate "Aspeed I2C Controller" 410 depends on ARCH_ASPEED || COMPILE_TEST 411 help 412 If you say yes to this option, support will be included for the 413 Aspeed I2C controller. 414 415 This driver can also be built as a module. If so, the module 416 will be called i2c-aspeed. 417 418config I2C_AT91 419 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 420 depends on ARCH_MICROCHIP || COMPILE_TEST 421 help 422 This supports the use of the I2C interface on Atmel AT91 423 processors. 424 425 A serious problem is that there is no documented way to issue 426 repeated START conditions for more than two messages, as needed 427 to support combined I2C messages. Use the i2c-gpio driver 428 unless your system can cope with this limitation. 429 430 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 431 don't have clock stretching in transmission mode. For that reason, 432 you can encounter underrun issues causing premature stop sendings if 433 the latency to fill the transmission register is too long. If you 434 are facing this situation, use the i2c-gpio driver. 435 436config I2C_AT91_SLAVE_EXPERIMENTAL 437 bool "Microchip AT91 I2C experimental slave mode" 438 depends on I2C_AT91 439 select I2C_SLAVE 440 help 441 If you say yes to this option, support for the slave mode will be 442 added. Caution: do not use it for production. This feature has not 443 been tested in a heavy way, help wanted. 444 There are known bugs: 445 - It can hang, on a SAMA5D4, after several transfers. 446 - There are some mismatches with a SAMA5D4 as slave and a SAMA5D2 as 447 master. 448 449config I2C_AU1550 450 tristate "Au1550/Au1200/Au1300 SMBus interface" 451 depends on MIPS_ALCHEMY 452 help 453 If you say yes to this option, support will be included for the 454 Au1550/Au1200/Au1300 SMBus interface. 455 456 This driver can also be built as a module. If so, the module 457 will be called i2c-au1550. 458 459config I2C_AXXIA 460 tristate "Axxia I2C controller" 461 depends on ARCH_AXXIA || COMPILE_TEST 462 default ARCH_AXXIA 463 select I2C_SLAVE 464 help 465 Say yes if you want to support the I2C bus on Axxia platforms. 466 467 Please note that this controller is limited to transfers of maximum 468 255 bytes in length. Any attempt to to a larger transfer will return 469 an error. 470 471config I2C_BCM2835 472 tristate "Broadcom BCM2835 I2C controller" 473 depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST 474 depends on COMMON_CLK 475 help 476 If you say yes to this option, support will be included for the 477 BCM2835 I2C controller. 478 479 If you don't know what to do here, say N. 480 481 This support is also available as a module. If so, the module 482 will be called i2c-bcm2835. 483 484config I2C_BCM_IPROC 485 tristate "Broadcom iProc I2C controller" 486 depends on ARCH_BCM_IPROC || COMPILE_TEST 487 default ARCH_BCM_IPROC 488 select I2C_SLAVE 489 help 490 If you say yes to this option, support will be included for the 491 Broadcom iProc I2C controller. 492 493 If you don't know what to do here, say N. 494 495config I2C_BCM_KONA 496 tristate "BCM Kona I2C adapter" 497 depends on ARCH_BCM_MOBILE || COMPILE_TEST 498 default y if ARCH_BCM_MOBILE 499 help 500 If you say yes to this option, support will be included for the 501 I2C interface on the Broadcom Kona family of processors. 502 503 If you do not need KONA I2C interface, say N. 504 505config I2C_BRCMSTB 506 tristate "BRCM Settop/DSL I2C controller" 507 depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \ 508 BMIPS_GENERIC || COMPILE_TEST 509 default ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || BMIPS_GENERIC 510 help 511 If you say yes to this option, support will be included for the 512 I2C interface on the Broadcom Settop/DSL SoCs. 513 514 If you do not need I2C interface, say N. 515 516config I2C_CADENCE 517 tristate "Cadence I2C Controller" 518 depends on ARCH_ZYNQ || ARM64 || XTENSA || RISCV || COMPILE_TEST 519 help 520 Say yes here to select Cadence I2C Host Controller. This controller is 521 e.g. used by Xilinx Zynq. 522 523config I2C_CBUS_GPIO 524 tristate "CBUS I2C driver" 525 depends on GPIOLIB || COMPILE_TEST 526 help 527 Support for CBUS access using I2C API. Mostly relevant for Nokia 528 Internet Tablets (770, N800 and N810). 529 530 This driver can also be built as a module. If so, the module 531 will be called i2c-cbus-gpio. 532 533config I2C_CGBC 534 tristate "Congatec I2C Controller" 535 depends on MFD_CGBC 536 help 537 This driver supports the 2 I2C interfaces on the Congatec Board 538 Controller. 539 540 This driver can also be built as a module. If so, the module will 541 be called i2c-cgbc.ko. 542 543config I2C_CPM 544 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 545 depends on CPM1 || CPM2 546 help 547 This supports the use of the I2C interface on Freescale 548 processors with CPM1 or CPM2. 549 550 This driver can also be built as a module. If so, the module 551 will be called i2c-cpm. 552 553config I2C_DAVINCI 554 tristate "DaVinci I2C driver" 555 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 556 help 557 Support for TI DaVinci I2C controller driver. 558 559 This driver can also be built as a module. If so, the module 560 will be called i2c-davinci. 561 562 Please note that this driver might be needed to bring up other 563 devices such as DaVinci NIC. 564 For details please see http://www.ti.com/davinci 565 566config I2C_DESIGNWARE_CORE 567 tristate "Synopsys DesignWare I2C adapter" 568 select REGMAP 569 help 570 This option enables support for the Synopsys DesignWare I2C adapter. 571 This driver includes support for the I2C host on the Synopsys 572 Designware I2C adapter, and the I2C slave when enabled (select 573 I2C_SLAVE). 574 575 To compile the driver as a module, choose M here: the module will be 576 called i2c-designware-core. 577 578if I2C_DESIGNWARE_CORE 579 580config I2C_DESIGNWARE_PLATFORM 581 tristate "Synopsys DesignWare Platform driver" 582 depends on (ACPI && COMMON_CLK) || !ACPI 583 default I2C_DESIGNWARE_CORE 584 help 585 If you say yes to this option, support will be included for the 586 Synopsys DesignWare I2C adapters on the platform bus. 587 588 This driver can also be built as a module. If so, the module 589 will be called i2c-designware-platform. 590 591config I2C_DESIGNWARE_AMDISP 592 tristate "Synopsys DesignWare Platform for AMDISP" 593 depends on DRM_AMD_ISP || COMPILE_TEST 594 depends on I2C_DESIGNWARE_CORE 595 help 596 If you say yes to this option, support will be included for the 597 AMDISP Synopsys DesignWare I2C adapter. 598 599 This driver can also be built as a module. If so, the module 600 will be called amd_isp_i2c_designware. 601 602config I2C_DESIGNWARE_AMDPSP 603 bool "AMD PSP I2C semaphore support" 604 depends on ACPI 605 depends on CRYPTO_DEV_SP_PSP 606 depends on PCI 607 depends on I2C_DESIGNWARE_PLATFORM 608 depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \ 609 (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD) 610 help 611 This driver enables managed host access to the selected I2C bus shared 612 between AMD CPU and AMD PSP. 613 614 You should say Y if running on an AMD system equipped with the PSP. 615 616config I2C_DESIGNWARE_BAYTRAIL 617 bool "Intel Baytrail I2C semaphore support" 618 depends on ACPI 619 depends on I2C_DESIGNWARE_PLATFORM 620 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 621 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 622 help 623 This driver enables managed host access to the PMIC I2C bus on select 624 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 625 the host to request uninterrupted access to the PMIC's I2C bus from 626 the platform firmware controlling it. You should say Y if running on 627 a BayTrail system using the AXP288. 628 629config I2C_DESIGNWARE_PCI 630 tristate "Synopsys DesignWare PCI driver" 631 depends on PCI 632 select I2C_CCGX_UCSI 633 help 634 If you say yes to this option, support will be included for the 635 Synopsys DesignWare I2C adapters on the PCI bus. Only master mode is 636 supported. 637 638 This driver can also be built as a module. If so, the module 639 will be called i2c-designware-pci. 640 641endif 642 643config I2C_DIGICOLOR 644 tristate "Conexant Digicolor I2C driver" 645 depends on ARCH_DIGICOLOR || COMPILE_TEST 646 help 647 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 648 649 This driver can also be built as a module. If so, the module 650 will be called i2c-digicolor. 651 652config I2C_EG20T 653 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 654 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 655 help 656 This driver is for PCH(Platform controller Hub) I2C of EG20T which 657 is an IOH(Input/Output Hub) for x86 embedded processor. 658 This driver can access PCH I2C bus device. 659 660 This driver also can be used for LAPIS Semiconductor IOH(Input/ 661 Output Hub), ML7213, ML7223 and ML7831. 662 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 663 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 664 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 665 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 666 667config I2C_EMEV2 668 tristate "EMMA Mobile series I2C adapter" 669 depends on HAVE_CLK 670 select I2C_SLAVE 671 help 672 If you say yes to this option, support will be included for the 673 I2C interface on the Renesas Electronics EM/EV family of processors. 674 675config I2C_EXYNOS5 676 tristate "Exynos high-speed I2C driver" 677 depends on OF 678 depends on ARCH_EXYNOS || COMPILE_TEST 679 default y if ARCH_EXYNOS 680 help 681 High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs: 682 Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800, 683 Exynos5433, Exynos7, Exynos850 and ExynosAutoV9. 684 Choose Y here only if you build for such Samsung SoC. 685 686config I2C_GPIO 687 tristate "GPIO-based bitbanging I2C" 688 depends on GPIOLIB || COMPILE_TEST 689 select I2C_ALGOBIT 690 help 691 This is a very simple bitbanging I2C driver utilizing the 692 arch-neutral GPIO API to control the SCL and SDA lines. 693 694config I2C_GPIO_FAULT_INJECTOR 695 bool "GPIO-based fault injector" 696 depends on I2C_GPIO 697 help 698 This adds some functionality to the i2c-gpio driver which can inject 699 faults to an I2C bus, so another bus master can be stress-tested. 700 This is for debugging. If unsure, say 'no'. 701 702config I2C_GXP 703 tristate "GXP I2C Interface" 704 depends on ARCH_HPE_GXP || COMPILE_TEST 705 help 706 This enables support for GXP I2C interface. The I2C engines can be 707 either I2C master or I2C slaves. 708 709config I2C_HIGHLANDER 710 tristate "Highlander FPGA SMBus interface" 711 depends on SH_HIGHLANDER || COMPILE_TEST 712 help 713 If you say yes to this option, support will be included for 714 the SMBus interface located in the FPGA on various Highlander 715 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 716 FPGAs. This is wholly unrelated to the SoC I2C. 717 718 This driver can also be built as a module. If so, the module 719 will be called i2c-highlander. 720 721config I2C_HISI 722 tristate "HiSilicon I2C controller" 723 depends on ARM64 || COMPILE_TEST 724 help 725 Say Y here if you want to have Hisilicon I2C controller support 726 available on the Kunpeng Server. 727 728 This driver can also be built as a module. If so, the module 729 will be called i2c-hisi. 730 731config I2C_IBM_IIC 732 tristate "IBM PPC 4xx on-chip I2C interface" 733 depends on 4xx 734 help 735 Say Y here if you want to use IIC peripheral found on 736 embedded IBM PPC 4xx based systems. 737 738 This driver can also be built as a module. If so, the module 739 will be called i2c-ibm_iic. 740 741config I2C_IMG 742 tristate "Imagination Technologies I2C SCB Controller" 743 depends on MIPS || COMPILE_TEST 744 help 745 Say Y here if you want to use the IMG I2C SCB controller, 746 available on the TZ1090 and other IMG SoCs. 747 748 This driver can also be built as a module. If so, the module 749 will be called i2c-img-scb. 750 751config I2C_IMX 752 tristate "IMX I2C interface" 753 depends on ARCH_MXC || ARCH_LAYERSCAPE || ARCH_S32 || COLDFIRE \ 754 || COMPILE_TEST 755 select I2C_SLAVE 756 help 757 Say Y here if you want to use the IIC bus controller on 758 the Freescale i.MX/MXC/S32G, Layerscape or ColdFire processors. 759 760 This driver can also be built as a module. If so, the module 761 will be called i2c-imx. 762 763config I2C_IMX_LPI2C 764 tristate "IMX Low Power I2C interface" 765 depends on ARCH_MXC || COMPILE_TEST 766 select I2C_SLAVE 767 help 768 Say Y here if you want to use the Low Power IIC bus controller 769 on the Freescale i.MX processors. 770 771 This driver can also be built as a module. If so, the module 772 will be called i2c-imx-lpi2c. 773 774config I2C_IOP3XX 775 tristate "Intel IXP4xx on-chip I2C interface" 776 depends on ARCH_IXP4XX || COMPILE_TEST 777 help 778 Say Y here if you want to use the IIC bus controller on 779 the Intel IXP4xx Network Processors. 780 781 This driver can also be built as a module. If so, the module 782 will be called i2c-iop3xx. 783 784config I2C_JZ4780 785 tristate "JZ4780 I2C controller interface support" 786 depends on MIPS || COMPILE_TEST 787 help 788 If you say yes to this option, support will be included for the 789 Ingenic JZ4780 I2C controller. 790 791 If you don't know what to do here, say N. 792 793config I2C_K1 794 tristate "SpacemiT K1 I2C adapter" 795 depends on ARCH_SPACEMIT || COMPILE_TEST 796 depends on OF 797 help 798 This option enables support for the I2C interface on the SpacemiT K1 799 platform. 800 801 If you enable this configuration, the kernel will include support for 802 the I2C adapter specific to the SpacemiT K1 platform. This driver can 803 be used to manage I2C bus transactions, which are necessary for 804 interfacing with I2C peripherals such as sensors, EEPROMs, and other 805 devices. 806 807 This driver can also be built as a module. If so, the 808 module will be called `i2c-k1`. 809 810config I2C_KEBA 811 tristate "KEBA I2C controller support" 812 depends on HAS_IOMEM 813 depends on KEBA_CP500 || COMPILE_TEST 814 select AUXILIARY_BUS 815 help 816 This driver supports the I2C controller found in KEBA system FPGA 817 devices. 818 819 This driver can also be built as a module. If so, the module 820 will be called i2c-keba. 821 822config I2C_KEMPLD 823 tristate "Kontron COM I2C Controller" 824 depends on MFD_KEMPLD 825 help 826 This enables support for the I2C bus interface on some Kontron ETX 827 and COMexpress (ETXexpress) modules. 828 829 This driver can also be built as a module. If so, the module 830 will be called i2c-kempld. 831 832config I2C_LPC2K 833 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 834 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 835 help 836 This driver supports the I2C interface found several NXP 837 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 838 839 This driver can also be built as a module. If so, the module 840 will be called i2c-lpc2k. 841 842config I2C_LS2X 843 tristate "Loongson LS2X I2C adapter" 844 depends on MACH_LOONGSON64 || COMPILE_TEST 845 help 846 If you say yes to this option, support will be included for the 847 I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge 848 chip. 849 850 This driver can also be built as a module. If so, the module 851 will be called i2c-ls2x. 852 853config I2C_MLXBF 854 tristate "Mellanox BlueField I2C controller" 855 depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST 856 depends on ACPI 857 select I2C_SLAVE 858 help 859 Enabling this option will add I2C SMBus support for Mellanox BlueField 860 system. 861 862 This driver can also be built as a module. If so, the module will be 863 called i2c-mlxbf. 864 865 This driver implements an I2C SMBus host controller and enables both 866 master and slave functions. 867 868config I2C_MESON 869 tristate "Amlogic Meson I2C controller" 870 depends on ARCH_MESON || COMPILE_TEST 871 depends on COMMON_CLK 872 help 873 If you say yes to this option, support will be included for the 874 I2C interface on the Amlogic Meson family of SoCs. 875 876config I2C_MICROCHIP_CORE 877 tristate "Microchip FPGA I2C controller" 878 depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST 879 depends on OF 880 help 881 If you say yes to this option, support will be included for the 882 I2C interface on Microchip FPGAs. 883 884 This driver can also be built as a module. If so, the module will be 885 called i2c-microchip-core. 886 887config I2C_MPC 888 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 889 depends on PPC 890 help 891 If you say yes to this option, support will be included for the 892 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 893 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 894 895 This driver can also be built as a module. If so, the module 896 will be called i2c-mpc. 897 898config I2C_MT65XX 899 tristate "MediaTek I2C adapter" 900 depends on ARCH_MEDIATEK || COMPILE_TEST 901 help 902 This selects the MediaTek(R) Integrated Inter Circuit bus driver 903 for MT65xx and MT81xx. 904 If you want to use MediaTek(R) I2C interface, say Y or M here. 905 If unsure, say N. 906 907config I2C_MT7621 908 tristate "MT7621/MT7628 I2C Controller" 909 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST 910 help 911 Say Y here to include support for I2C controller in the 912 MediaTek MT7621/MT7628 SoCs. 913 914config I2C_MV64XXX 915 tristate "Marvell mv64xxx I2C Controller" 916 depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST 917 help 918 If you say yes to this option, support will be included for the 919 built-in I2C interface on the Marvell 64xxx line of host bridges. 920 This driver is also used for Allwinner SoCs I2C controllers. 921 922 This driver can also be built as a module. If so, the module 923 will be called i2c-mv64xxx. 924 925config I2C_MXS 926 tristate "Freescale i.MX28 I2C interface" 927 depends on SOC_IMX28 || COMPILE_TEST 928 select STMP_DEVICE 929 help 930 Say Y here if you want to use the I2C bus controller on 931 the Freescale i.MX28 processors. 932 933 This driver can also be built as a module. If so, the module 934 will be called i2c-mxs. 935 936config I2C_NOMADIK 937 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 938 depends on ARM_AMBA || COMPILE_TEST 939 help 940 If you say yes to this option, support will be included for the 941 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 942 as well as the STA2X11 PCIe I/O HUB. 943 944config I2C_NPCM 945 tristate "Nuvoton I2C Controller" 946 depends on ARCH_NPCM || COMPILE_TEST 947 help 948 If you say yes to this option, support will be included for the 949 Nuvoton I2C controller, which is available on the NPCM BMC 950 controllers. 951 Driver can also support slave mode (select I2C_SLAVE). 952 953config I2C_OCORES 954 tristate "OpenCores I2C Controller" 955 help 956 If you say yes to this option, support will be included for the 957 OpenCores I2C controller. For details see 958 http://www.opencores.org/projects.cgi/web/i2c/overview 959 960 This driver can also be built as a module. If so, the module 961 will be called i2c-ocores. 962 963config I2C_OMAP 964 tristate "OMAP I2C adapter" 965 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST 966 default MACH_OMAP_OSK 967 select MULTIPLEXER 968 help 969 If you say yes to this option, support will be included for the 970 I2C interface on the Texas Instruments OMAP1/2 family of processors. 971 Like OMAP1510/1610/1710/5912 and OMAP242x. 972 For details see http://www.ti.com/omap. 973 974config I2C_OWL 975 tristate "Actions Semiconductor Owl I2C Controller" 976 depends on ARCH_ACTIONS || COMPILE_TEST 977 help 978 Say Y here if you want to use the I2C bus controller on 979 the Actions Semiconductor Owl SoC's. 980 981config I2C_PASEMI 982 tristate "PA Semi SMBus interface" 983 depends on PPC_PASEMI && PCI 984 help 985 Supports the PA Semi PWRficient on-chip SMBus interfaces. 986 987config I2C_APPLE 988 tristate "Apple SMBus platform driver" 989 depends on !I2C_PASEMI 990 depends on ARCH_APPLE || COMPILE_TEST 991 help 992 Say Y here if you want to use the I2C controller present on Apple 993 Silicon chips such as the M1. 994 995 This driver can also be built as a module. If so, the module 996 will be called i2c-apple. 997 998config I2C_PCA_PLATFORM 999 tristate "PCA9564/PCA9665 as platform device" 1000 select I2C_ALGOPCA 1001 help 1002 This driver supports a memory mapped Philips PCA9564/PCA9665 1003 parallel bus to I2C bus controller. 1004 1005 This driver can also be built as a module. If so, the module 1006 will be called i2c-pca-platform. 1007 1008config I2C_PNX 1009 tristate "I2C bus support for Philips PNX and NXP LPC targets" 1010 depends on ARCH_LPC32XX || COMPILE_TEST 1011 help 1012 This driver supports the Philips IP3204 I2C IP block master and/or 1013 slave controller 1014 1015 This driver can also be built as a module. If so, the module 1016 will be called i2c-pnx. 1017 1018config I2C_PXA 1019 tristate "Intel PXA2XX I2C adapter" 1020 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST 1021 help 1022 If you have devices in the PXA I2C bus, say yes to this option. 1023 This driver can also be built as a module. If so, the module 1024 will be called i2c-pxa. 1025 1026config I2C_PXA_PCI 1027 def_bool I2C_PXA && X86_32 && PCI && OF 1028 1029config I2C_PXA_SLAVE 1030 bool "Intel PXA2XX I2C Slave comms support" 1031 depends on I2C_PXA && !X86_32 1032 select I2C_SLAVE 1033 help 1034 Support I2C slave mode communications on the PXA I2C bus. This 1035 is necessary for systems where the PXA may be a target on the 1036 I2C bus. 1037 1038config I2C_QCOM_CCI 1039 tristate "Qualcomm Camera Control Interface" 1040 depends on ARCH_QCOM || COMPILE_TEST 1041 help 1042 If you say yes to this option, support will be included for the 1043 built-in camera control interface on the Qualcomm SoCs. 1044 1045 This driver can also be built as a module. If so, the module 1046 will be called i2c-qcom-cci. 1047 1048config I2C_QCOM_GENI 1049 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 1050 depends on ARCH_QCOM || COMPILE_TEST 1051 depends on QCOM_GENI_SE 1052 help 1053 This driver supports GENI serial engine based I2C controller in 1054 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 1055 yes to this option, support will be included for the built-in I2C 1056 interface on the Qualcomm Technologies Inc.'s SoCs. 1057 1058 This driver can also be built as a module. If so, the module 1059 will be called i2c-qcom-geni. 1060 1061config I2C_QUP 1062 tristate "Qualcomm QUP based I2C controller" 1063 depends on ARCH_QCOM || COMPILE_TEST 1064 help 1065 If you say yes to this option, support will be included for the 1066 built-in I2C interface on the Qualcomm SoCs. 1067 1068 This driver can also be built as a module. If so, the module 1069 will be called i2c-qup. 1070 1071config I2C_RIIC 1072 tristate "Renesas RIIC adapter" 1073 depends on ARCH_RENESAS || COMPILE_TEST 1074 help 1075 If you say yes to this option, support will be included for the 1076 Renesas RIIC I2C interface. 1077 1078 This driver can also be built as a module. If so, the module 1079 will be called i2c-riic. 1080 1081config I2C_RK3X 1082 tristate "Rockchip RK3xxx I2C adapter" 1083 depends on OF && COMMON_CLK 1084 help 1085 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 1086 SoCs. 1087 1088 This driver can also be built as a module. If so, the module will 1089 be called i2c-rk3x. 1090 1091config I2C_RTL9300 1092 tristate "Realtek RTL9300 I2C controller" 1093 depends on MACH_REALTEK_RTL || COMPILE_TEST 1094 help 1095 Say Y here to include support for the I2C controller in Realtek 1096 RTL9300 SoCs. 1097 1098 This driver can also be built as a module. If so, the module will 1099 be called i2c-rtl9300. 1100 1101config I2C_RZV2M 1102 tristate "Renesas RZ/V2M adapter" 1103 depends on ARCH_RENESAS || COMPILE_TEST 1104 help 1105 If you say yes to this option, support will be included for the 1106 Renesas RZ/V2M I2C interface. 1107 1108 This driver can also be built as a module. If so, the module 1109 will be called i2c-rzv2m. 1110 1111config I2C_S3C2410 1112 tristate "S3C/Exynos I2C Driver" 1113 depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 1114 help 1115 Say Y here to include support for I2C controller in the 1116 Samsung SoCs (S3C, S5Pv210, Exynos). 1117 1118config I2C_SH7760 1119 tristate "Renesas SH7760 I2C Controller" 1120 depends on CPU_SUBTYPE_SH7760 1121 help 1122 This driver supports the 2 I2C interfaces on the Renesas SH7760. 1123 1124 This driver can also be built as a module. If so, the module 1125 will be called i2c-sh7760. 1126 1127config I2C_SH_MOBILE 1128 tristate "SuperH Mobile I2C Controller" 1129 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 1130 help 1131 If you say yes to this option, support will be included for the 1132 built-in I2C interface on the Renesas SH-Mobile processor. 1133 1134 This driver can also be built as a module. If so, the module 1135 will be called i2c-sh_mobile. 1136 1137config I2C_SIMTEC 1138 tristate "Simtec Generic I2C interface" 1139 select I2C_ALGOBIT 1140 help 1141 If you say yes to this option, support will be included for 1142 the Simtec Generic I2C interface. This driver is for the 1143 simple I2C bus used on newer Simtec products for general 1144 I2C, such as DDC on the Simtec BBD2016A. 1145 1146 This driver can also be built as a module. If so, the module 1147 will be called i2c-simtec. 1148 1149config I2C_SPRD 1150 tristate "Spreadtrum I2C interface" 1151 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST) 1152 depends on COMMON_CLK 1153 help 1154 If you say yes to this option, support will be included for the 1155 Spreadtrum I2C interface. 1156 1157config I2C_ST 1158 tristate "STMicroelectronics SSC I2C support" 1159 depends on ARCH_STI || COMPILE_TEST 1160 help 1161 Enable this option to add support for STMicroelectronics SoCs 1162 hardware SSC (Synchronous Serial Controller) as an I2C controller. 1163 1164 This driver can also be built as module. If so, the module 1165 will be called i2c-st. 1166 1167config I2C_STM32F4 1168 tristate "STMicroelectronics STM32F4 I2C support" 1169 depends on ARCH_STM32 || COMPILE_TEST 1170 help 1171 Enable this option to add support for STM32 I2C controller embedded 1172 in STM32F4 SoCs. 1173 1174 This driver can also be built as module. If so, the module 1175 will be called i2c-stm32f4. 1176 1177config I2C_STM32F7 1178 tristate "STMicroelectronics STM32F7 I2C support" 1179 depends on ARCH_STM32 || COMPILE_TEST 1180 select I2C_SLAVE 1181 select I2C_SMBUS 1182 help 1183 Enable this option to add support for STM32 I2C controller embedded 1184 in STM32F7 SoCs. 1185 1186 This driver can also be built as module. If so, the module 1187 will be called i2c-stm32f7. 1188 1189config I2C_SUN6I_P2WI 1190 tristate "Allwinner sun6i internal P2WI controller" 1191 depends on RESET_CONTROLLER 1192 depends on MACH_SUN6I || COMPILE_TEST 1193 help 1194 If you say yes to this option, support will be included for the 1195 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1196 SOCs. 1197 The P2WI looks like an SMBus controller (which supports only byte 1198 accesses), except that it only supports one slave device. 1199 This interface is used to connect to specific PMIC devices (like the 1200 AXP221). 1201 1202config I2C_SYNQUACER 1203 tristate "Socionext SynQuacer I2C controller" 1204 depends on ARCH_SYNQUACER || COMPILE_TEST 1205 help 1206 Say Y here to include support for the I2C controller used in some 1207 Fujitsu and Socionext SoCs. 1208 1209 This driver can also be built as a module. If so, the module 1210 will be called i2c-synquacer. 1211 1212config I2C_TEGRA 1213 tristate "NVIDIA Tegra internal I2C controller" 1214 depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC)) 1215 # COMPILE_TEST needs architectures with readsX()/writesX() primitives 1216 depends on PINCTRL 1217 # ARCH_TEGRA implies PINCTRL, but the COMPILE_TEST side doesn't. 1218 help 1219 If you say yes to this option, support will be included for the 1220 I2C controller embedded in NVIDIA Tegra SOCs 1221 1222config I2C_TEGRA_BPMP 1223 tristate "NVIDIA Tegra BPMP I2C controller" 1224 depends on TEGRA_BPMP || COMPILE_TEST 1225 default y if TEGRA_BPMP 1226 help 1227 If you say yes to this option, support will be included for the I2C 1228 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1229 1230 This I2C driver is a 'virtual' I2C driver. The real driver is part 1231 of the BPMP firmware, and this driver merely communicates with that 1232 real driver. 1233 1234config I2C_UNIPHIER 1235 tristate "UniPhier FIFO-less I2C controller" 1236 depends on ARCH_UNIPHIER || COMPILE_TEST 1237 help 1238 If you say yes to this option, support will be included for 1239 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1240 or older UniPhier SoCs. 1241 1242config I2C_UNIPHIER_F 1243 tristate "UniPhier FIFO-builtin I2C controller" 1244 depends on ARCH_UNIPHIER || COMPILE_TEST 1245 help 1246 If you say yes to this option, support will be included for 1247 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1248 PH1-Pro5, or newer UniPhier SoCs. 1249 1250config I2C_VERSATILE 1251 tristate "ARM Versatile/Realview I2C bus support" 1252 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1253 select I2C_ALGOBIT 1254 help 1255 Say yes if you want to support the I2C serial bus on ARMs Versatile 1256 range of platforms. 1257 1258 This driver can also be built as a module. If so, the module 1259 will be called i2c-versatile. 1260 1261config I2C_WMT 1262 tristate "Wondermedia WM8xxx SoC I2C bus support" 1263 depends on ARCH_VT8500 || COMPILE_TEST 1264 help 1265 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1266 SoCs. 1267 1268 This driver can also be built as a module. If so, the module will be 1269 called i2c-wmt. 1270 1271config I2C_OCTEON 1272 tristate "Cavium OCTEON I2C bus support" 1273 depends on CAVIUM_OCTEON_SOC 1274 help 1275 Say yes if you want to support the I2C serial bus on Cavium 1276 OCTEON SOC. 1277 1278 This driver can also be built as a module. If so, the module 1279 will be called i2c-octeon. 1280 1281config I2C_THUNDERX 1282 tristate "Cavium ThunderX I2C bus support" 1283 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1284 select I2C_SMBUS 1285 help 1286 Say yes if you want to support the I2C serial bus on Cavium 1287 ThunderX SOC. 1288 1289 This driver can also be built as a module. If so, the module 1290 will be called i2c-thunderx. 1291 1292config I2C_XILINX 1293 tristate "Xilinx I2C Controller" 1294 depends on HAS_IOMEM 1295 help 1296 If you say yes to this option, support will be included for the 1297 Xilinx I2C controller. 1298 1299 This driver can also be built as a module. If so, the module 1300 will be called xilinx_i2c. 1301 1302config I2C_XLP9XX 1303 tristate "Cavium ThunderX2 I2C support" 1304 depends on ARCH_THUNDER2 || COMPILE_TEST 1305 help 1306 This driver enables support for the on-chip I2C interface of 1307 the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.) 1308 1309 This driver can also be built as a module. If so, the module will 1310 be called i2c-xlp9xx. 1311 1312config I2C_RCAR 1313 tristate "Renesas R-Car I2C Controller" 1314 depends on ARCH_RENESAS || COMPILE_TEST 1315 select I2C_SLAVE 1316 select I2C_SMBUS 1317 select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4 1318 help 1319 If you say yes to this option, support will be included for the 1320 R-Car I2C controller. 1321 1322 This driver can also be built as a module. If so, the module 1323 will be called i2c-rcar. 1324 1325comment "External I2C/SMBus adapter drivers" 1326 1327config I2C_DIOLAN_U2C 1328 tristate "Diolan U2C-12 USB adapter" 1329 depends on USB 1330 help 1331 If you say yes to this option, support will be included for Diolan 1332 U2C-12, a USB to I2C interface. 1333 1334 This driver can also be built as a module. If so, the module 1335 will be called i2c-diolan-u2c. 1336 1337config I2C_DLN2 1338 tristate "Diolan DLN-2 USB I2C adapter" 1339 depends on MFD_DLN2 1340 help 1341 If you say yes to this option, support will be included for Diolan 1342 DLN2, a USB to I2C interface. 1343 1344 This driver can also be built as a module. If so, the module 1345 will be called i2c-dln2. 1346 1347config I2C_LJCA 1348 tristate "I2C functionality of Intel La Jolla Cove Adapter" 1349 depends on USB_LJCA 1350 default USB_LJCA 1351 help 1352 If you say yes to this option, I2C functionality support of Intel 1353 La Jolla Cove Adapter (LJCA) will be included. 1354 1355 This driver can also be built as a module. If so, the module 1356 will be called i2c-ljca. 1357 1358config I2C_NCT6694 1359 tristate "Nuvoton NCT6694 I2C adapter support" 1360 depends on MFD_NCT6694 1361 help 1362 If you say yes to this option, support will be included for Nuvoton 1363 NCT6694, a USB to I2C interface. 1364 1365 This driver can also be built as a module. If so, the module will 1366 be called i2c-nct6694. 1367 1368config I2C_USBIO 1369 tristate "Intel USBIO I2C Adapter support" 1370 depends on USB_USBIO 1371 default USB_USBIO 1372 help 1373 Select this option to enable I2C driver for the INTEL 1374 USBIO driver stack. 1375 1376 This driver can also be built as a module. If so, the module 1377 will be called i2c_usbio. 1378 1379config I2C_CP2615 1380 tristate "Silicon Labs CP2615 USB sound card and I2C adapter" 1381 depends on USB 1382 help 1383 If you say yes to this option, support will be included for Silicon 1384 Labs CP2615's I2C interface. 1385 1386 This driver can also be built as a module. If so, the module 1387 will be called i2c-cp2615. 1388 1389config I2C_PARPORT 1390 tristate "Parallel port adapter" 1391 depends on PARPORT 1392 select I2C_ALGOBIT 1393 select I2C_SMBUS 1394 help 1395 This supports parallel port I2C adapters such as the ones made by 1396 Philips or Velleman, Analog Devices evaluation boards, and more. 1397 Basically any adapter using the parallel port as an I2C bus with 1398 no extra chipset is supported by this driver, or could be. Please 1399 read the file Documentation/i2c/busses/i2c-parport.rst for details. 1400 1401 This support is also available as a module. If so, the module 1402 will be called i2c-parport. 1403 1404config I2C_PCI1XXXX 1405 tristate "PCI1XXXX I2C Host Adapter" 1406 depends on PCI 1407 help 1408 If you say yes to this option, support will be included for 1409 Microchip PCI1XXXX's I2C interface. 1410 1411 This driver can also be built as a module. If so, the module will 1412 be called i2c-mchp-pci1xxxx. 1413 1414config I2C_ROBOTFUZZ_OSIF 1415 tristate "RobotFuzz Open Source InterFace USB adapter" 1416 depends on USB 1417 help 1418 If you say yes to this option, support will be included for the 1419 RobotFuzz Open Source InterFace USB to I2C interface. 1420 1421 This driver can also be built as a module. If so, the module 1422 will be called i2c-osif. 1423 1424config I2C_TAOS_EVM 1425 tristate "TAOS evaluation module" 1426 depends on TTY 1427 select SERIO 1428 select SERIO_SERPORT 1429 help 1430 This supports TAOS evaluation modules on serial port. In order to 1431 use this driver, you will need the inputattach tool, which is part 1432 of the input-utils package. 1433 1434 If unsure, say N. 1435 1436 This support is also available as a module. If so, the module 1437 will be called i2c-taos-evm. 1438 1439config I2C_TINY_USB 1440 tristate "Tiny-USB adapter" 1441 depends on USB 1442 help 1443 If you say yes to this option, support will be included for the 1444 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1445 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1446 1447 This driver can also be built as a module. If so, the module 1448 will be called i2c-tiny-usb. 1449 1450config I2C_VIPERBOARD 1451 tristate "Viperboard I2C master support" 1452 depends on MFD_VIPERBOARD && USB 1453 help 1454 Say yes here to access the I2C part of the Nano River 1455 Technologies Viperboard as I2C master. 1456 See viperboard API specification and Nano 1457 River Tech's viperboard.h for detailed meaning 1458 of the module parameters. 1459 1460comment "Other I2C/SMBus bus drivers" 1461 1462config I2C_ACORN 1463 tristate "Acorn IOC/IOMD I2C bus support" 1464 depends on ARCH_ACORN 1465 default y 1466 select I2C_ALGOBIT 1467 help 1468 Say yes if you want to support the I2C bus on Acorn platforms. 1469 1470 If you don't know, say Y. 1471 1472config I2C_ELEKTOR 1473 tristate "Elektor ISA card" 1474 depends on ISA && HAS_IOPORT_MAP 1475 select I2C_ALGOPCF 1476 help 1477 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1478 such an adapter. 1479 1480 This support is also available as a module. If so, the module 1481 will be called i2c-elektor. 1482 1483config I2C_ICY 1484 tristate "ICY Zorro card" 1485 depends on ZORRO 1486 select I2C_ALGOPCF 1487 help 1488 This supports the PCF8584 Zorro bus I2C adapter, known as ICY. 1489 Say Y if you own such an adapter. 1490 1491 This support is also available as a module. If so, the module 1492 will be called i2c-icy. 1493 1494 If you have a 2019 edition board with an LTC2990 sensor at address 1495 0x4c, loading the module 'ltc2990' is sufficient to enable it. 1496 1497config I2C_MLXCPLD 1498 tristate "Mellanox I2C driver" 1499 depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST 1500 depends on HAS_IOPORT 1501 help 1502 This exposes the Mellanox platform I2C busses to the linux I2C layer 1503 for X86 and ARM64/ACPI based systems. 1504 Controller is implemented as CPLD logic. 1505 1506 This driver can also be built as a module. If so, the module will be 1507 called as i2c-mlxcpld. 1508 1509config I2C_PCA_ISA 1510 tristate "PCA9564/PCA9665 on an ISA bus" 1511 depends on ISA 1512 select I2C_ALGOPCA 1513 help 1514 This driver supports ISA boards using the Philips PCA9564/PCA9665 1515 parallel bus to I2C bus controller. 1516 1517 This driver can also be built as a module. If so, the module 1518 will be called i2c-pca-isa. 1519 1520 This device is almost undetectable and using this driver on a 1521 system which doesn't have this device will result in long 1522 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1523 time). If unsure, say N. 1524 1525config I2C_SIBYTE 1526 tristate "SiByte SMBus interface" 1527 depends on SIBYTE_SB1xxx_SOC 1528 help 1529 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1530 1531config I2C_CROS_EC_TUNNEL 1532 tristate "ChromeOS EC tunnel I2C bus" 1533 depends on CROS_EC 1534 help 1535 If you say yes here you get an I2C bus that will tunnel i2c commands 1536 through to the other side of the ChromeOS EC to the i2c bus 1537 connected there. This will work whatever the interface used to 1538 talk to the EC (SPI, I2C or LPC). 1539 1540config I2C_XGENE_SLIMPRO 1541 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1542 depends on ARCH_XGENE && MAILBOX 1543 help 1544 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1545 co-processor. The I2C device access the I2C bus via the X-Gene 1546 to SLIMpro (On chip coprocessor) mailbox mechanism. 1547 If unsure, say N. 1548 1549config SCx200_ACB 1550 tristate "Geode ACCESS.bus support" 1551 depends on X86_32 && PCI && HAS_IOPORT 1552 help 1553 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1554 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1555 1556 If you don't know what to do here, say N. 1557 1558 This support is also available as a module. If so, the module 1559 will be called scx200_acb. 1560 1561config I2C_OPAL 1562 tristate "IBM OPAL I2C driver" 1563 depends on PPC_POWERNV 1564 default y 1565 help 1566 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1567 the driver is based on the OPAL interfaces. 1568 1569 This driver can also be built as a module. If so, the module will be 1570 called as i2c-opal. 1571 1572config I2C_FSI 1573 tristate "FSI I2C driver" 1574 depends on FSI 1575 help 1576 Driver for FSI bus attached I2C masters. These are I2C masters that 1577 are connected to the system over an FSI bus, instead of the more 1578 common PCI or MMIO interface. 1579 1580 This driver can also be built as a module. If so, the module will be 1581 called as i2c-fsi. 1582 1583config I2C_VIRTIO 1584 tristate "Virtio I2C Adapter" 1585 select VIRTIO 1586 help 1587 If you say yes to this option, support will be included for the virtio 1588 I2C adapter driver. The hardware can be emulated by any device model 1589 software according to the virtio protocol. 1590 1591 This driver can also be built as a module. If so, the module 1592 will be called i2c-virtio. 1593 1594endmenu 1595