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. 573 574 To compile the driver as a module, choose M here: the module will be 575 called i2c-designware-core. 576 577if I2C_DESIGNWARE_CORE 578 579config I2C_DESIGNWARE_SLAVE 580 bool "Synopsys DesignWare Slave" 581 select I2C_SLAVE 582 help 583 If you say yes to this option, support will be included for the 584 Synopsys DesignWare I2C slave adapter. 585 586config I2C_DESIGNWARE_PLATFORM 587 tristate "Synopsys DesignWare Platform driver" 588 depends on (ACPI && COMMON_CLK) || !ACPI 589 select MFD_SYSCON if MIPS_BAIKAL_T1 590 default I2C_DESIGNWARE_CORE 591 help 592 If you say yes to this option, support will be included for the 593 Synopsys DesignWare I2C adapters on the platform bus. 594 595 This driver can also be built as a module. If so, the module 596 will be called i2c-designware-platform. 597 598config I2C_DESIGNWARE_AMDISP 599 tristate "Synopsys DesignWare Platform for AMDISP" 600 depends on DRM_AMD_ISP || COMPILE_TEST 601 depends on I2C_DESIGNWARE_CORE 602 help 603 If you say yes to this option, support will be included for the 604 AMDISP Synopsys DesignWare I2C adapter. 605 606 This driver can also be built as a module. If so, the module 607 will be called amd_isp_i2c_designware. 608 609config I2C_DESIGNWARE_AMDPSP 610 bool "AMD PSP I2C semaphore support" 611 depends on ACPI 612 depends on CRYPTO_DEV_SP_PSP 613 depends on PCI 614 depends on I2C_DESIGNWARE_PLATFORM 615 depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \ 616 (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD) 617 help 618 This driver enables managed host access to the selected I2C bus shared 619 between AMD CPU and AMD PSP. 620 621 You should say Y if running on an AMD system equipped with the PSP. 622 623config I2C_DESIGNWARE_BAYTRAIL 624 bool "Intel Baytrail I2C semaphore support" 625 depends on ACPI 626 depends on I2C_DESIGNWARE_PLATFORM 627 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 628 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 629 help 630 This driver enables managed host access to the PMIC I2C bus on select 631 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 632 the host to request uninterrupted access to the PMIC's I2C bus from 633 the platform firmware controlling it. You should say Y if running on 634 a BayTrail system using the AXP288. 635 636config I2C_DESIGNWARE_PCI 637 tristate "Synopsys DesignWare PCI driver" 638 depends on PCI 639 select I2C_CCGX_UCSI 640 help 641 If you say yes to this option, support will be included for the 642 Synopsys DesignWare I2C adapters on the PCI bus. Only master mode is 643 supported. 644 645 This driver can also be built as a module. If so, the module 646 will be called i2c-designware-pci. 647 648endif 649 650config I2C_DIGICOLOR 651 tristate "Conexant Digicolor I2C driver" 652 depends on ARCH_DIGICOLOR || COMPILE_TEST 653 help 654 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 655 656 This driver can also be built as a module. If so, the module 657 will be called i2c-digicolor. 658 659config I2C_EG20T 660 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 661 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 662 help 663 This driver is for PCH(Platform controller Hub) I2C of EG20T which 664 is an IOH(Input/Output Hub) for x86 embedded processor. 665 This driver can access PCH I2C bus device. 666 667 This driver also can be used for LAPIS Semiconductor IOH(Input/ 668 Output Hub), ML7213, ML7223 and ML7831. 669 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 670 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 671 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 672 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 673 674config I2C_EMEV2 675 tristate "EMMA Mobile series I2C adapter" 676 depends on HAVE_CLK 677 select I2C_SLAVE 678 help 679 If you say yes to this option, support will be included for the 680 I2C interface on the Renesas Electronics EM/EV family of processors. 681 682config I2C_EXYNOS5 683 tristate "Exynos high-speed I2C driver" 684 depends on OF 685 depends on ARCH_EXYNOS || COMPILE_TEST 686 default y if ARCH_EXYNOS 687 help 688 High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs: 689 Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800, 690 Exynos5433, Exynos7, Exynos850 and ExynosAutoV9. 691 Choose Y here only if you build for such Samsung SoC. 692 693config I2C_GPIO 694 tristate "GPIO-based bitbanging I2C" 695 depends on GPIOLIB || COMPILE_TEST 696 select I2C_ALGOBIT 697 help 698 This is a very simple bitbanging I2C driver utilizing the 699 arch-neutral GPIO API to control the SCL and SDA lines. 700 701config I2C_GPIO_FAULT_INJECTOR 702 bool "GPIO-based fault injector" 703 depends on I2C_GPIO 704 help 705 This adds some functionality to the i2c-gpio driver which can inject 706 faults to an I2C bus, so another bus master can be stress-tested. 707 This is for debugging. If unsure, say 'no'. 708 709config I2C_GXP 710 tristate "GXP I2C Interface" 711 depends on ARCH_HPE_GXP || COMPILE_TEST 712 help 713 This enables support for GXP I2C interface. The I2C engines can be 714 either I2C master or I2C slaves. 715 716config I2C_HIGHLANDER 717 tristate "Highlander FPGA SMBus interface" 718 depends on SH_HIGHLANDER || COMPILE_TEST 719 help 720 If you say yes to this option, support will be included for 721 the SMBus interface located in the FPGA on various Highlander 722 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 723 FPGAs. This is wholly unrelated to the SoC I2C. 724 725 This driver can also be built as a module. If so, the module 726 will be called i2c-highlander. 727 728config I2C_HISI 729 tristate "HiSilicon I2C controller" 730 depends on ARM64 || COMPILE_TEST 731 help 732 Say Y here if you want to have Hisilicon I2C controller support 733 available on the Kunpeng Server. 734 735 This driver can also be built as a module. If so, the module 736 will be called i2c-hisi. 737 738config I2C_IBM_IIC 739 tristate "IBM PPC 4xx on-chip I2C interface" 740 depends on 4xx 741 help 742 Say Y here if you want to use IIC peripheral found on 743 embedded IBM PPC 4xx based systems. 744 745 This driver can also be built as a module. If so, the module 746 will be called i2c-ibm_iic. 747 748config I2C_IMG 749 tristate "Imagination Technologies I2C SCB Controller" 750 depends on MIPS || COMPILE_TEST 751 help 752 Say Y here if you want to use the IMG I2C SCB controller, 753 available on the TZ1090 and other IMG SoCs. 754 755 This driver can also be built as a module. If so, the module 756 will be called i2c-img-scb. 757 758config I2C_IMX 759 tristate "IMX I2C interface" 760 depends on ARCH_MXC || ARCH_LAYERSCAPE || ARCH_S32 || COLDFIRE \ 761 || COMPILE_TEST 762 select I2C_SLAVE 763 help 764 Say Y here if you want to use the IIC bus controller on 765 the Freescale i.MX/MXC/S32G, Layerscape or ColdFire processors. 766 767 This driver can also be built as a module. If so, the module 768 will be called i2c-imx. 769 770config I2C_IMX_LPI2C 771 tristate "IMX Low Power I2C interface" 772 depends on ARCH_MXC || COMPILE_TEST 773 select I2C_SLAVE 774 help 775 Say Y here if you want to use the Low Power IIC bus controller 776 on the Freescale i.MX processors. 777 778 This driver can also be built as a module. If so, the module 779 will be called i2c-imx-lpi2c. 780 781config I2C_IOP3XX 782 tristate "Intel IXP4xx on-chip I2C interface" 783 depends on ARCH_IXP4XX || COMPILE_TEST 784 help 785 Say Y here if you want to use the IIC bus controller on 786 the Intel IXP4xx Network Processors. 787 788 This driver can also be built as a module. If so, the module 789 will be called i2c-iop3xx. 790 791config I2C_JZ4780 792 tristate "JZ4780 I2C controller interface support" 793 depends on MIPS || COMPILE_TEST 794 help 795 If you say yes to this option, support will be included for the 796 Ingenic JZ4780 I2C controller. 797 798 If you don't know what to do here, say N. 799 800config I2C_K1 801 tristate "SpacemiT K1 I2C adapter" 802 depends on ARCH_SPACEMIT || COMPILE_TEST 803 depends on OF 804 help 805 This option enables support for the I2C interface on the SpacemiT K1 806 platform. 807 808 If you enable this configuration, the kernel will include support for 809 the I2C adapter specific to the SpacemiT K1 platform. This driver can 810 be used to manage I2C bus transactions, which are necessary for 811 interfacing with I2C peripherals such as sensors, EEPROMs, and other 812 devices. 813 814 This driver can also be built as a module. If so, the 815 module will be called `i2c-k1`. 816 817config I2C_KEBA 818 tristate "KEBA I2C controller support" 819 depends on HAS_IOMEM 820 depends on KEBA_CP500 || COMPILE_TEST 821 select AUXILIARY_BUS 822 help 823 This driver supports the I2C controller found in KEBA system FPGA 824 devices. 825 826 This driver can also be built as a module. If so, the module 827 will be called i2c-keba. 828 829config I2C_KEMPLD 830 tristate "Kontron COM I2C Controller" 831 depends on MFD_KEMPLD 832 help 833 This enables support for the I2C bus interface on some Kontron ETX 834 and COMexpress (ETXexpress) modules. 835 836 This driver can also be built as a module. If so, the module 837 will be called i2c-kempld. 838 839config I2C_LPC2K 840 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 841 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 842 help 843 This driver supports the I2C interface found several NXP 844 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 845 846 This driver can also be built as a module. If so, the module 847 will be called i2c-lpc2k. 848 849config I2C_LS2X 850 tristate "Loongson LS2X I2C adapter" 851 depends on MACH_LOONGSON64 || COMPILE_TEST 852 help 853 If you say yes to this option, support will be included for the 854 I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge 855 chip. 856 857 This driver can also be built as a module. If so, the module 858 will be called i2c-ls2x. 859 860config I2C_MLXBF 861 tristate "Mellanox BlueField I2C controller" 862 depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST 863 depends on ACPI 864 select I2C_SLAVE 865 help 866 Enabling this option will add I2C SMBus support for Mellanox BlueField 867 system. 868 869 This driver can also be built as a module. If so, the module will be 870 called i2c-mlxbf. 871 872 This driver implements an I2C SMBus host controller and enables both 873 master and slave functions. 874 875config I2C_MESON 876 tristate "Amlogic Meson I2C controller" 877 depends on ARCH_MESON || COMPILE_TEST 878 depends on COMMON_CLK 879 help 880 If you say yes to this option, support will be included for the 881 I2C interface on the Amlogic Meson family of SoCs. 882 883config I2C_MICROCHIP_CORE 884 tristate "Microchip FPGA I2C controller" 885 depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST 886 depends on OF 887 help 888 If you say yes to this option, support will be included for the 889 I2C interface on Microchip FPGAs. 890 891 This driver can also be built as a module. If so, the module will be 892 called i2c-microchip-core. 893 894config I2C_MPC 895 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 896 depends on PPC 897 help 898 If you say yes to this option, support will be included for the 899 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 900 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 901 902 This driver can also be built as a module. If so, the module 903 will be called i2c-mpc. 904 905config I2C_MT65XX 906 tristate "MediaTek I2C adapter" 907 depends on ARCH_MEDIATEK || COMPILE_TEST 908 help 909 This selects the MediaTek(R) Integrated Inter Circuit bus driver 910 for MT65xx and MT81xx. 911 If you want to use MediaTek(R) I2C interface, say Y or M here. 912 If unsure, say N. 913 914config I2C_MT7621 915 tristate "MT7621/MT7628 I2C Controller" 916 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST 917 help 918 Say Y here to include support for I2C controller in the 919 MediaTek MT7621/MT7628 SoCs. 920 921config I2C_MV64XXX 922 tristate "Marvell mv64xxx I2C Controller" 923 depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST 924 help 925 If you say yes to this option, support will be included for the 926 built-in I2C interface on the Marvell 64xxx line of host bridges. 927 This driver is also used for Allwinner SoCs I2C controllers. 928 929 This driver can also be built as a module. If so, the module 930 will be called i2c-mv64xxx. 931 932config I2C_MXS 933 tristate "Freescale i.MX28 I2C interface" 934 depends on SOC_IMX28 || COMPILE_TEST 935 select STMP_DEVICE 936 help 937 Say Y here if you want to use the I2C bus controller on 938 the Freescale i.MX28 processors. 939 940 This driver can also be built as a module. If so, the module 941 will be called i2c-mxs. 942 943config I2C_NOMADIK 944 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 945 depends on ARM_AMBA || COMPILE_TEST 946 help 947 If you say yes to this option, support will be included for the 948 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 949 as well as the STA2X11 PCIe I/O HUB. 950 951config I2C_NPCM 952 tristate "Nuvoton I2C Controller" 953 depends on ARCH_NPCM || COMPILE_TEST 954 help 955 If you say yes to this option, support will be included for the 956 Nuvoton I2C controller, which is available on the NPCM BMC 957 controllers. 958 Driver can also support slave mode (select I2C_SLAVE). 959 960config I2C_OCORES 961 tristate "OpenCores I2C Controller" 962 help 963 If you say yes to this option, support will be included for the 964 OpenCores I2C controller. For details see 965 http://www.opencores.org/projects.cgi/web/i2c/overview 966 967 This driver can also be built as a module. If so, the module 968 will be called i2c-ocores. 969 970config I2C_OMAP 971 tristate "OMAP I2C adapter" 972 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST 973 default MACH_OMAP_OSK 974 select MULTIPLEXER 975 help 976 If you say yes to this option, support will be included for the 977 I2C interface on the Texas Instruments OMAP1/2 family of processors. 978 Like OMAP1510/1610/1710/5912 and OMAP242x. 979 For details see http://www.ti.com/omap. 980 981config I2C_OWL 982 tristate "Actions Semiconductor Owl I2C Controller" 983 depends on ARCH_ACTIONS || COMPILE_TEST 984 help 985 Say Y here if you want to use the I2C bus controller on 986 the Actions Semiconductor Owl SoC's. 987 988config I2C_PASEMI 989 tristate "PA Semi SMBus interface" 990 depends on PPC_PASEMI && PCI 991 help 992 Supports the PA Semi PWRficient on-chip SMBus interfaces. 993 994config I2C_APPLE 995 tristate "Apple SMBus platform driver" 996 depends on !I2C_PASEMI 997 depends on ARCH_APPLE || COMPILE_TEST 998 help 999 Say Y here if you want to use the I2C controller present on Apple 1000 Silicon chips such as the M1. 1001 1002 This driver can also be built as a module. If so, the module 1003 will be called i2c-apple. 1004 1005config I2C_PCA_PLATFORM 1006 tristate "PCA9564/PCA9665 as platform device" 1007 select I2C_ALGOPCA 1008 help 1009 This driver supports a memory mapped Philips PCA9564/PCA9665 1010 parallel bus to I2C bus controller. 1011 1012 This driver can also be built as a module. If so, the module 1013 will be called i2c-pca-platform. 1014 1015config I2C_PNX 1016 tristate "I2C bus support for Philips PNX and NXP LPC targets" 1017 depends on ARCH_LPC32XX || COMPILE_TEST 1018 help 1019 This driver supports the Philips IP3204 I2C IP block master and/or 1020 slave controller 1021 1022 This driver can also be built as a module. If so, the module 1023 will be called i2c-pnx. 1024 1025config I2C_PXA 1026 tristate "Intel PXA2XX I2C adapter" 1027 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST 1028 help 1029 If you have devices in the PXA I2C bus, say yes to this option. 1030 This driver can also be built as a module. If so, the module 1031 will be called i2c-pxa. 1032 1033config I2C_PXA_PCI 1034 def_bool I2C_PXA && X86_32 && PCI && OF 1035 1036config I2C_PXA_SLAVE 1037 bool "Intel PXA2XX I2C Slave comms support" 1038 depends on I2C_PXA && !X86_32 1039 select I2C_SLAVE 1040 help 1041 Support I2C slave mode communications on the PXA I2C bus. This 1042 is necessary for systems where the PXA may be a target on the 1043 I2C bus. 1044 1045config I2C_QCOM_CCI 1046 tristate "Qualcomm Camera Control Interface" 1047 depends on ARCH_QCOM || COMPILE_TEST 1048 help 1049 If you say yes to this option, support will be included for the 1050 built-in camera control interface on the Qualcomm SoCs. 1051 1052 This driver can also be built as a module. If so, the module 1053 will be called i2c-qcom-cci. 1054 1055config I2C_QCOM_GENI 1056 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 1057 depends on ARCH_QCOM || COMPILE_TEST 1058 depends on QCOM_GENI_SE 1059 help 1060 This driver supports GENI serial engine based I2C controller in 1061 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 1062 yes to this option, support will be included for the built-in I2C 1063 interface on the Qualcomm Technologies Inc.'s SoCs. 1064 1065 This driver can also be built as a module. If so, the module 1066 will be called i2c-qcom-geni. 1067 1068config I2C_QUP 1069 tristate "Qualcomm QUP based I2C controller" 1070 depends on ARCH_QCOM || COMPILE_TEST 1071 help 1072 If you say yes to this option, support will be included for the 1073 built-in I2C interface on the Qualcomm SoCs. 1074 1075 This driver can also be built as a module. If so, the module 1076 will be called i2c-qup. 1077 1078config I2C_RIIC 1079 tristate "Renesas RIIC adapter" 1080 depends on ARCH_RENESAS || COMPILE_TEST 1081 help 1082 If you say yes to this option, support will be included for the 1083 Renesas RIIC I2C interface. 1084 1085 This driver can also be built as a module. If so, the module 1086 will be called i2c-riic. 1087 1088config I2C_RK3X 1089 tristate "Rockchip RK3xxx I2C adapter" 1090 depends on OF && COMMON_CLK 1091 help 1092 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 1093 SoCs. 1094 1095 This driver can also be built as a module. If so, the module will 1096 be called i2c-rk3x. 1097 1098config I2C_RTL9300 1099 tristate "Realtek RTL9300 I2C controller" 1100 depends on MACH_REALTEK_RTL || COMPILE_TEST 1101 help 1102 Say Y here to include support for the I2C controller in Realtek 1103 RTL9300 SoCs. 1104 1105 This driver can also be built as a module. If so, the module will 1106 be called i2c-rtl9300. 1107 1108config I2C_RZV2M 1109 tristate "Renesas RZ/V2M adapter" 1110 depends on ARCH_RENESAS || COMPILE_TEST 1111 help 1112 If you say yes to this option, support will be included for the 1113 Renesas RZ/V2M I2C interface. 1114 1115 This driver can also be built as a module. If so, the module 1116 will be called i2c-rzv2m. 1117 1118config I2C_S3C2410 1119 tristate "S3C/Exynos I2C Driver" 1120 depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 1121 help 1122 Say Y here to include support for I2C controller in the 1123 Samsung SoCs (S3C, S5Pv210, Exynos). 1124 1125config I2C_SH7760 1126 tristate "Renesas SH7760 I2C Controller" 1127 depends on CPU_SUBTYPE_SH7760 1128 help 1129 This driver supports the 2 I2C interfaces on the Renesas SH7760. 1130 1131 This driver can also be built as a module. If so, the module 1132 will be called i2c-sh7760. 1133 1134config I2C_SH_MOBILE 1135 tristate "SuperH Mobile I2C Controller" 1136 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 1137 help 1138 If you say yes to this option, support will be included for the 1139 built-in I2C interface on the Renesas SH-Mobile processor. 1140 1141 This driver can also be built as a module. If so, the module 1142 will be called i2c-sh_mobile. 1143 1144config I2C_SIMTEC 1145 tristate "Simtec Generic I2C interface" 1146 select I2C_ALGOBIT 1147 help 1148 If you say yes to this option, support will be included for 1149 the Simtec Generic I2C interface. This driver is for the 1150 simple I2C bus used on newer Simtec products for general 1151 I2C, such as DDC on the Simtec BBD2016A. 1152 1153 This driver can also be built as a module. If so, the module 1154 will be called i2c-simtec. 1155 1156config I2C_SPRD 1157 tristate "Spreadtrum I2C interface" 1158 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST) 1159 depends on COMMON_CLK 1160 help 1161 If you say yes to this option, support will be included for the 1162 Spreadtrum I2C interface. 1163 1164config I2C_ST 1165 tristate "STMicroelectronics SSC I2C support" 1166 depends on ARCH_STI || COMPILE_TEST 1167 help 1168 Enable this option to add support for STMicroelectronics SoCs 1169 hardware SSC (Synchronous Serial Controller) as an I2C controller. 1170 1171 This driver can also be built as module. If so, the module 1172 will be called i2c-st. 1173 1174config I2C_STM32F4 1175 tristate "STMicroelectronics STM32F4 I2C support" 1176 depends on ARCH_STM32 || COMPILE_TEST 1177 help 1178 Enable this option to add support for STM32 I2C controller embedded 1179 in STM32F4 SoCs. 1180 1181 This driver can also be built as module. If so, the module 1182 will be called i2c-stm32f4. 1183 1184config I2C_STM32F7 1185 tristate "STMicroelectronics STM32F7 I2C support" 1186 depends on ARCH_STM32 || COMPILE_TEST 1187 select I2C_SLAVE 1188 select I2C_SMBUS 1189 help 1190 Enable this option to add support for STM32 I2C controller embedded 1191 in STM32F7 SoCs. 1192 1193 This driver can also be built as module. If so, the module 1194 will be called i2c-stm32f7. 1195 1196config I2C_SUN6I_P2WI 1197 tristate "Allwinner sun6i internal P2WI controller" 1198 depends on RESET_CONTROLLER 1199 depends on MACH_SUN6I || COMPILE_TEST 1200 help 1201 If you say yes to this option, support will be included for the 1202 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1203 SOCs. 1204 The P2WI looks like an SMBus controller (which supports only byte 1205 accesses), except that it only supports one slave device. 1206 This interface is used to connect to specific PMIC devices (like the 1207 AXP221). 1208 1209config I2C_SYNQUACER 1210 tristate "Socionext SynQuacer I2C controller" 1211 depends on ARCH_SYNQUACER || COMPILE_TEST 1212 help 1213 Say Y here to include support for the I2C controller used in some 1214 Fujitsu and Socionext SoCs. 1215 1216 This driver can also be built as a module. If so, the module 1217 will be called i2c-synquacer. 1218 1219config I2C_TEGRA 1220 tristate "NVIDIA Tegra internal I2C controller" 1221 depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC)) 1222 # COMPILE_TEST needs architectures with readsX()/writesX() primitives 1223 help 1224 If you say yes to this option, support will be included for the 1225 I2C controller embedded in NVIDIA Tegra SOCs 1226 1227config I2C_TEGRA_BPMP 1228 tristate "NVIDIA Tegra BPMP I2C controller" 1229 depends on TEGRA_BPMP || COMPILE_TEST 1230 default y if TEGRA_BPMP 1231 help 1232 If you say yes to this option, support will be included for the I2C 1233 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1234 1235 This I2C driver is a 'virtual' I2C driver. The real driver is part 1236 of the BPMP firmware, and this driver merely communicates with that 1237 real driver. 1238 1239config I2C_UNIPHIER 1240 tristate "UniPhier FIFO-less I2C controller" 1241 depends on ARCH_UNIPHIER || COMPILE_TEST 1242 help 1243 If you say yes to this option, support will be included for 1244 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1245 or older UniPhier SoCs. 1246 1247config I2C_UNIPHIER_F 1248 tristate "UniPhier FIFO-builtin I2C controller" 1249 depends on ARCH_UNIPHIER || COMPILE_TEST 1250 help 1251 If you say yes to this option, support will be included for 1252 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1253 PH1-Pro5, or newer UniPhier SoCs. 1254 1255config I2C_VERSATILE 1256 tristate "ARM Versatile/Realview I2C bus support" 1257 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1258 select I2C_ALGOBIT 1259 help 1260 Say yes if you want to support the I2C serial bus on ARMs Versatile 1261 range of platforms. 1262 1263 This driver can also be built as a module. If so, the module 1264 will be called i2c-versatile. 1265 1266config I2C_WMT 1267 tristate "Wondermedia WM8xxx SoC I2C bus support" 1268 depends on ARCH_VT8500 || COMPILE_TEST 1269 help 1270 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1271 SoCs. 1272 1273 This driver can also be built as a module. If so, the module will be 1274 called i2c-wmt. 1275 1276config I2C_OCTEON 1277 tristate "Cavium OCTEON I2C bus support" 1278 depends on CAVIUM_OCTEON_SOC 1279 help 1280 Say yes if you want to support the I2C serial bus on Cavium 1281 OCTEON SOC. 1282 1283 This driver can also be built as a module. If so, the module 1284 will be called i2c-octeon. 1285 1286config I2C_THUNDERX 1287 tristate "Cavium ThunderX I2C bus support" 1288 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1289 select I2C_SMBUS 1290 help 1291 Say yes if you want to support the I2C serial bus on Cavium 1292 ThunderX SOC. 1293 1294 This driver can also be built as a module. If so, the module 1295 will be called i2c-thunderx. 1296 1297config I2C_XILINX 1298 tristate "Xilinx I2C Controller" 1299 depends on HAS_IOMEM 1300 help 1301 If you say yes to this option, support will be included for the 1302 Xilinx I2C controller. 1303 1304 This driver can also be built as a module. If so, the module 1305 will be called xilinx_i2c. 1306 1307config I2C_XLP9XX 1308 tristate "Cavium ThunderX2 I2C support" 1309 depends on ARCH_THUNDER2 || COMPILE_TEST 1310 help 1311 This driver enables support for the on-chip I2C interface of 1312 the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.) 1313 1314 This driver can also be built as a module. If so, the module will 1315 be called i2c-xlp9xx. 1316 1317config I2C_RCAR 1318 tristate "Renesas R-Car I2C Controller" 1319 depends on ARCH_RENESAS || COMPILE_TEST 1320 select I2C_SLAVE 1321 select I2C_SMBUS 1322 select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4 1323 help 1324 If you say yes to this option, support will be included for the 1325 R-Car I2C controller. 1326 1327 This driver can also be built as a module. If so, the module 1328 will be called i2c-rcar. 1329 1330comment "External I2C/SMBus adapter drivers" 1331 1332config I2C_DIOLAN_U2C 1333 tristate "Diolan U2C-12 USB adapter" 1334 depends on USB 1335 help 1336 If you say yes to this option, support will be included for Diolan 1337 U2C-12, a USB to I2C interface. 1338 1339 This driver can also be built as a module. If so, the module 1340 will be called i2c-diolan-u2c. 1341 1342config I2C_DLN2 1343 tristate "Diolan DLN-2 USB I2C adapter" 1344 depends on MFD_DLN2 1345 help 1346 If you say yes to this option, support will be included for Diolan 1347 DLN2, a USB to I2C interface. 1348 1349 This driver can also be built as a module. If so, the module 1350 will be called i2c-dln2. 1351 1352config I2C_LJCA 1353 tristate "I2C functionality of Intel La Jolla Cove Adapter" 1354 depends on USB_LJCA 1355 default USB_LJCA 1356 help 1357 If you say yes to this option, I2C functionality support of Intel 1358 La Jolla Cove Adapter (LJCA) will be included. 1359 1360 This driver can also be built as a module. If so, the module 1361 will be called i2c-ljca. 1362 1363config I2C_NCT6694 1364 tristate "Nuvoton NCT6694 I2C adapter support" 1365 depends on MFD_NCT6694 1366 help 1367 If you say yes to this option, support will be included for Nuvoton 1368 NCT6694, a USB to I2C interface. 1369 1370 This driver can also be built as a module. If so, the module will 1371 be called i2c-nct6694. 1372 1373config I2C_USBIO 1374 tristate "Intel USBIO I2C Adapter support" 1375 depends on USB_USBIO 1376 default USB_USBIO 1377 help 1378 Select this option to enable I2C driver for the INTEL 1379 USBIO driver stack. 1380 1381 This driver can also be built as a module. If so, the module 1382 will be called i2c_usbio. 1383 1384config I2C_CP2615 1385 tristate "Silicon Labs CP2615 USB sound card and I2C adapter" 1386 depends on USB 1387 help 1388 If you say yes to this option, support will be included for Silicon 1389 Labs CP2615's I2C interface. 1390 1391 This driver can also be built as a module. If so, the module 1392 will be called i2c-cp2615. 1393 1394config I2C_PARPORT 1395 tristate "Parallel port adapter" 1396 depends on PARPORT 1397 select I2C_ALGOBIT 1398 select I2C_SMBUS 1399 help 1400 This supports parallel port I2C adapters such as the ones made by 1401 Philips or Velleman, Analog Devices evaluation boards, and more. 1402 Basically any adapter using the parallel port as an I2C bus with 1403 no extra chipset is supported by this driver, or could be. Please 1404 read the file Documentation/i2c/busses/i2c-parport.rst for details. 1405 1406 This support is also available as a module. If so, the module 1407 will be called i2c-parport. 1408 1409config I2C_PCI1XXXX 1410 tristate "PCI1XXXX I2C Host Adapter" 1411 depends on PCI 1412 help 1413 If you say yes to this option, support will be included for 1414 Microchip PCI1XXXX's I2C interface. 1415 1416 This driver can also be built as a module. If so, the module will 1417 be called i2c-mchp-pci1xxxx. 1418 1419config I2C_ROBOTFUZZ_OSIF 1420 tristate "RobotFuzz Open Source InterFace USB adapter" 1421 depends on USB 1422 help 1423 If you say yes to this option, support will be included for the 1424 RobotFuzz Open Source InterFace USB to I2C interface. 1425 1426 This driver can also be built as a module. If so, the module 1427 will be called i2c-osif. 1428 1429config I2C_TAOS_EVM 1430 tristate "TAOS evaluation module" 1431 depends on TTY 1432 select SERIO 1433 select SERIO_SERPORT 1434 help 1435 This supports TAOS evaluation modules on serial port. In order to 1436 use this driver, you will need the inputattach tool, which is part 1437 of the input-utils package. 1438 1439 If unsure, say N. 1440 1441 This support is also available as a module. If so, the module 1442 will be called i2c-taos-evm. 1443 1444config I2C_TINY_USB 1445 tristate "Tiny-USB adapter" 1446 depends on USB 1447 help 1448 If you say yes to this option, support will be included for the 1449 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1450 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1451 1452 This driver can also be built as a module. If so, the module 1453 will be called i2c-tiny-usb. 1454 1455config I2C_VIPERBOARD 1456 tristate "Viperboard I2C master support" 1457 depends on MFD_VIPERBOARD && USB 1458 help 1459 Say yes here to access the I2C part of the Nano River 1460 Technologies Viperboard as I2C master. 1461 See viperboard API specification and Nano 1462 River Tech's viperboard.h for detailed meaning 1463 of the module parameters. 1464 1465comment "Other I2C/SMBus bus drivers" 1466 1467config I2C_ACORN 1468 tristate "Acorn IOC/IOMD I2C bus support" 1469 depends on ARCH_ACORN 1470 default y 1471 select I2C_ALGOBIT 1472 help 1473 Say yes if you want to support the I2C bus on Acorn platforms. 1474 1475 If you don't know, say Y. 1476 1477config I2C_ELEKTOR 1478 tristate "Elektor ISA card" 1479 depends on ISA && HAS_IOPORT_MAP 1480 select I2C_ALGOPCF 1481 help 1482 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1483 such an adapter. 1484 1485 This support is also available as a module. If so, the module 1486 will be called i2c-elektor. 1487 1488config I2C_ICY 1489 tristate "ICY Zorro card" 1490 depends on ZORRO 1491 select I2C_ALGOPCF 1492 help 1493 This supports the PCF8584 Zorro bus I2C adapter, known as ICY. 1494 Say Y if you own such an adapter. 1495 1496 This support is also available as a module. If so, the module 1497 will be called i2c-icy. 1498 1499 If you have a 2019 edition board with an LTC2990 sensor at address 1500 0x4c, loading the module 'ltc2990' is sufficient to enable it. 1501 1502config I2C_MLXCPLD 1503 tristate "Mellanox I2C driver" 1504 depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST 1505 depends on HAS_IOPORT 1506 help 1507 This exposes the Mellanox platform I2C busses to the linux I2C layer 1508 for X86 and ARM64/ACPI based systems. 1509 Controller is implemented as CPLD logic. 1510 1511 This driver can also be built as a module. If so, the module will be 1512 called as i2c-mlxcpld. 1513 1514config I2C_PCA_ISA 1515 tristate "PCA9564/PCA9665 on an ISA bus" 1516 depends on ISA 1517 select I2C_ALGOPCA 1518 help 1519 This driver supports ISA boards using the Philips PCA9564/PCA9665 1520 parallel bus to I2C bus controller. 1521 1522 This driver can also be built as a module. If so, the module 1523 will be called i2c-pca-isa. 1524 1525 This device is almost undetectable and using this driver on a 1526 system which doesn't have this device will result in long 1527 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1528 time). If unsure, say N. 1529 1530config I2C_SIBYTE 1531 tristate "SiByte SMBus interface" 1532 depends on SIBYTE_SB1xxx_SOC 1533 help 1534 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1535 1536config I2C_CROS_EC_TUNNEL 1537 tristate "ChromeOS EC tunnel I2C bus" 1538 depends on CROS_EC 1539 help 1540 If you say yes here you get an I2C bus that will tunnel i2c commands 1541 through to the other side of the ChromeOS EC to the i2c bus 1542 connected there. This will work whatever the interface used to 1543 talk to the EC (SPI, I2C or LPC). 1544 1545config I2C_XGENE_SLIMPRO 1546 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1547 depends on ARCH_XGENE && MAILBOX 1548 help 1549 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1550 co-processor. The I2C device access the I2C bus via the X-Gene 1551 to SLIMpro (On chip coprocessor) mailbox mechanism. 1552 If unsure, say N. 1553 1554config SCx200_ACB 1555 tristate "Geode ACCESS.bus support" 1556 depends on X86_32 && PCI && HAS_IOPORT 1557 help 1558 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1559 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1560 1561 If you don't know what to do here, say N. 1562 1563 This support is also available as a module. If so, the module 1564 will be called scx200_acb. 1565 1566config I2C_OPAL 1567 tristate "IBM OPAL I2C driver" 1568 depends on PPC_POWERNV 1569 default y 1570 help 1571 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1572 the driver is based on the OPAL interfaces. 1573 1574 This driver can also be built as a module. If so, the module will be 1575 called as i2c-opal. 1576 1577config I2C_FSI 1578 tristate "FSI I2C driver" 1579 depends on FSI 1580 help 1581 Driver for FSI bus attached I2C masters. These are I2C masters that 1582 are connected to the system over an FSI bus, instead of the more 1583 common PCI or MMIO interface. 1584 1585 This driver can also be built as a module. If so, the module will be 1586 called as i2c-fsi. 1587 1588config I2C_VIRTIO 1589 tristate "Virtio I2C Adapter" 1590 select VIRTIO 1591 help 1592 If you say yes to this option, support will be included for the virtio 1593 I2C adapter driver. The hardware can be emulated by any device model 1594 software according to the virtio protocol. 1595 1596 This driver can also be built as a module. If so, the module 1597 will be called i2c-virtio. 1598 1599endmenu 1600