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) 168 169 This driver can also be built as a module. If so, the module 170 will be called i2c-i801. 171 172config I2C_I801_MUX 173 def_bool I2C_I801 174 depends on DMI && I2C_MUX_GPIO 175 depends on !(I2C_I801=y && I2C_MUX=m) 176 help 177 Optional support for multiplexed SMBUS on certain systems with 178 more than 8 memory slots. 179 180config I2C_ISCH 181 tristate "Intel SCH SMBus 1.0" 182 depends on PCI && HAS_IOPORT 183 select LPC_SCH 184 help 185 Say Y here if you want to use SMBus controller on the Intel SCH 186 based systems. 187 188 This driver can also be built as a module. If so, the module 189 will be called i2c-isch. 190 191config I2C_ISMT 192 tristate "Intel iSMT SMBus Controller" 193 depends on PCI && X86 194 help 195 If you say yes to this option, support will be included for the Intel 196 iSMT SMBus host controller interface. 197 198 This driver can also be built as a module. If so, the module will be 199 called i2c-ismt. 200 201config I2C_PIIX4 202 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 203 depends on PCI && HAS_IOPORT 204 select I2C_SMBUS 205 help 206 If you say yes to this option, support will be included for the Intel 207 PIIX4 family of mainboard I2C interfaces. Specifically, the following 208 versions of the chipset are supported (note that Serverworks is part 209 of Broadcom): 210 Intel PIIX4 211 Intel 440MX 212 ATI IXP200 213 ATI IXP300 214 ATI IXP400 215 ATI SB600 216 ATI SB700/SP5100 217 ATI SB800 218 AMD Hudson-2 219 AMD ML 220 AMD CZ 221 Hygon CZ 222 Serverworks OSB4 223 Serverworks CSB5 224 Serverworks CSB6 225 Serverworks HT-1000 226 Serverworks HT-1100 227 SMSC Victory66 228 229 Some AMD chipsets contain two PIIX4-compatible SMBus 230 controllers. This driver will attempt to use both controllers 231 on the SB700/SP5100, if they have been initialized by the BIOS. 232 233 This driver can also be built as a module. If so, the module 234 will be called i2c-piix4. 235 236config I2C_CHT_WC 237 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 238 depends on INTEL_SOC_PMIC_CHTWC 239 help 240 If you say yes to this option, support will be included for the 241 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 242 found on some Intel Cherry Trail systems. 243 244 Note this controller is hooked up to a TI bq24292i charger-IC, 245 combined with a FUSB302 Type-C port-controller as such it is advised 246 to also select CONFIG_TYPEC_FUSB302=m. 247 248config I2C_NFORCE2 249 tristate "Nvidia nForce2, nForce3 and nForce4" 250 depends on PCI && HAS_IOPORT 251 help 252 If you say yes to this option, support will be included for the Nvidia 253 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 254 255 This driver can also be built as a module. If so, the module 256 will be called i2c-nforce2. 257 258config I2C_NVIDIA_GPU 259 tristate "NVIDIA GPU I2C controller" 260 depends on PCI 261 select I2C_CCGX_UCSI 262 help 263 If you say yes to this option, support will be included for the 264 NVIDIA GPU I2C controller which is used to communicate with the GPU's 265 Type-C controller. This driver can also be built as a module called 266 i2c-nvidia-gpu. 267 268config I2C_SIS5595 269 tristate "SiS 5595" 270 depends on PCI && HAS_IOPORT 271 help 272 If you say yes to this option, support will be included for the 273 SiS5595 SMBus (a subset of I2C) interface. 274 275 This driver can also be built as a module. If so, the module 276 will be called i2c-sis5595. 277 278config I2C_SIS630 279 tristate "SiS 630/730/964" 280 depends on PCI && HAS_IOPORT 281 help 282 If you say yes to this option, support will be included for the 283 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 284 285 This driver can also be built as a module. If so, the module 286 will be called i2c-sis630. 287 288config I2C_SIS96X 289 tristate "SiS 96x" 290 depends on PCI && HAS_IOPORT 291 help 292 If you say yes to this option, support will be included for the SiS 293 96x SMBus (a subset of I2C) interfaces. Specifically, the following 294 chipsets are supported: 295 645/961 296 645DX/961 297 645DX/962 298 648/961 299 650/961 300 735 301 745 302 303 This driver can also be built as a module. If so, the module 304 will be called i2c-sis96x. 305 306config I2C_VIA 307 tristate "VIA VT82C586B" 308 depends on PCI && HAS_IOPORT 309 select I2C_ALGOBIT 310 help 311 If you say yes to this option, support will be included for the VIA 312 82C586B I2C interface 313 314 This driver can also be built as a module. If so, the module 315 will be called i2c-via. 316 317config I2C_VIAPRO 318 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 319 depends on PCI && HAS_IOPORT 320 help 321 If you say yes to this option, support will be included for the VIA 322 VT82C596 and later SMBus interface. Specifically, the following 323 chipsets are supported: 324 VT82C596A/B 325 VT82C686A/B 326 VT8231 327 VT8233/A 328 VT8235 329 VT8237R/A/S 330 VT8251 331 CX700 332 VX800/VX820 333 VX855/VX875 334 VX900 335 336 This driver can also be built as a module. If so, the module 337 will be called i2c-viapro. 338 339if ACPI 340 341config I2C_ZHAOXIN 342 tristate "Zhaoxin I2C Interface" 343 depends on PCI || COMPILE_TEST 344 help 345 If you say yes to this option, support will be included for the 346 ZHAOXIN I2C interface 347 348 This driver can also be built as a module. If so, the module 349 will be called i2c-zhaoxin. 350 351comment "ACPI drivers" 352 353config I2C_SCMI 354 tristate "SMBus Control Method Interface" 355 help 356 This driver supports the SMBus Control Method Interface. It needs the 357 BIOS to declare ACPI control methods as described in the SMBus Control 358 Method Interface specification. 359 360 To compile this driver as a module, choose M here: 361 the module will be called i2c-scmi. 362 363endif # ACPI 364 365comment "Mac SMBus host controller drivers" 366 depends on PPC_CHRP || PPC_PMAC 367 368config I2C_HYDRA 369 tristate "CHRP Apple Hydra Mac I/O I2C interface" 370 depends on PCI && PPC_CHRP 371 select I2C_ALGOBIT 372 help 373 This supports the use of the I2C interface in the Apple Hydra Mac 374 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 375 have such a machine. 376 377 This support is also available as a module. If so, the module 378 will be called i2c-hydra. 379 380config I2C_POWERMAC 381 tristate "Powermac I2C interface" 382 depends on PPC_PMAC 383 default y 384 help 385 This exposes the various PowerMac i2c interfaces to the linux i2c 386 layer and to userland. It is used by various drivers on the PowerMac 387 platform, and should generally be enabled. 388 389 This support is also available as a module. If so, the module 390 will be called i2c-powermac. 391 392comment "I2C system bus drivers (mostly embedded / system-on-chip)" 393 394config I2C_ALTERA 395 tristate "Altera Soft IP I2C" 396 depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST 397 depends on OF 398 help 399 If you say yes to this option, support will be included for the 400 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 401 402 This driver can also be built as a module. If so, the module 403 will be called i2c-altera. 404 405config I2C_ASPEED 406 tristate "Aspeed I2C Controller" 407 depends on ARCH_ASPEED || COMPILE_TEST 408 help 409 If you say yes to this option, support will be included for the 410 Aspeed I2C controller. 411 412 This driver can also be built as a module. If so, the module 413 will be called i2c-aspeed. 414 415config I2C_AT91 416 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 417 depends on ARCH_AT91 || COMPILE_TEST 418 help 419 This supports the use of the I2C interface on Atmel AT91 420 processors. 421 422 A serious problem is that there is no documented way to issue 423 repeated START conditions for more than two messages, as needed 424 to support combined I2C messages. Use the i2c-gpio driver 425 unless your system can cope with this limitation. 426 427 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 428 don't have clock stretching in transmission mode. For that reason, 429 you can encounter underrun issues causing premature stop sendings if 430 the latency to fill the transmission register is too long. If you 431 are facing this situation, use the i2c-gpio driver. 432 433config I2C_AT91_SLAVE_EXPERIMENTAL 434 bool "Microchip AT91 I2C experimental slave mode" 435 depends on I2C_AT91 436 select I2C_SLAVE 437 help 438 If you say yes to this option, support for the slave mode will be 439 added. Caution: do not use it for production. This feature has not 440 been tested in a heavy way, help wanted. 441 There are known bugs: 442 - It can hang, on a SAMA5D4, after several transfers. 443 - There are some mismatches with a SAMA5D4 as slave and a SAMA5D2 as 444 master. 445 446config I2C_AU1550 447 tristate "Au1550/Au1200/Au1300 SMBus interface" 448 depends on MIPS_ALCHEMY 449 help 450 If you say yes to this option, support will be included for the 451 Au1550/Au1200/Au1300 SMBus interface. 452 453 This driver can also be built as a module. If so, the module 454 will be called i2c-au1550. 455 456config I2C_AXXIA 457 tristate "Axxia I2C controller" 458 depends on ARCH_AXXIA || COMPILE_TEST 459 default ARCH_AXXIA 460 select I2C_SLAVE 461 help 462 Say yes if you want to support the I2C bus on Axxia platforms. 463 464 Please note that this controller is limited to transfers of maximum 465 255 bytes in length. Any attempt to to a larger transfer will return 466 an error. 467 468config I2C_BCM2835 469 tristate "Broadcom BCM2835 I2C controller" 470 depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST 471 depends on COMMON_CLK 472 help 473 If you say yes to this option, support will be included for the 474 BCM2835 I2C controller. 475 476 If you don't know what to do here, say N. 477 478 This support is also available as a module. If so, the module 479 will be called i2c-bcm2835. 480 481config I2C_BCM_IPROC 482 tristate "Broadcom iProc I2C controller" 483 depends on ARCH_BCM_IPROC || COMPILE_TEST 484 default ARCH_BCM_IPROC 485 select I2C_SLAVE 486 help 487 If you say yes to this option, support will be included for the 488 Broadcom iProc I2C controller. 489 490 If you don't know what to do here, say N. 491 492config I2C_BCM_KONA 493 tristate "BCM Kona I2C adapter" 494 depends on ARCH_BCM_MOBILE || COMPILE_TEST 495 default y if ARCH_BCM_MOBILE 496 help 497 If you say yes to this option, support will be included for the 498 I2C interface on the Broadcom Kona family of processors. 499 500 If you do not need KONA I2C interface, say N. 501 502config I2C_BRCMSTB 503 tristate "BRCM Settop/DSL I2C controller" 504 depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \ 505 BMIPS_GENERIC || COMPILE_TEST 506 default ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || BMIPS_GENERIC 507 help 508 If you say yes to this option, support will be included for the 509 I2C interface on the Broadcom Settop/DSL SoCs. 510 511 If you do not need I2C interface, say N. 512 513config I2C_CADENCE 514 tristate "Cadence I2C Controller" 515 depends on ARCH_ZYNQ || ARM64 || XTENSA || RISCV || COMPILE_TEST 516 help 517 Say yes here to select Cadence I2C Host Controller. This controller is 518 e.g. used by Xilinx Zynq. 519 520config I2C_CBUS_GPIO 521 tristate "CBUS I2C driver" 522 depends on GPIOLIB || COMPILE_TEST 523 help 524 Support for CBUS access using I2C API. Mostly relevant for Nokia 525 Internet Tablets (770, N800 and N810). 526 527 This driver can also be built as a module. If so, the module 528 will be called i2c-cbus-gpio. 529 530config I2C_CGBC 531 tristate "Congatec I2C Controller" 532 depends on MFD_CGBC 533 help 534 This driver supports the 2 I2C interfaces on the Congatec Board 535 Controller. 536 537 This driver can also be built as a module. If so, the module will 538 be called i2c-cgbc.ko. 539 540config I2C_CPM 541 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 542 depends on CPM1 || CPM2 543 help 544 This supports the use of the I2C interface on Freescale 545 processors with CPM1 or CPM2. 546 547 This driver can also be built as a module. If so, the module 548 will be called i2c-cpm. 549 550config I2C_DAVINCI 551 tristate "DaVinci I2C driver" 552 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 553 help 554 Support for TI DaVinci I2C controller driver. 555 556 This driver can also be built as a module. If so, the module 557 will be called i2c-davinci. 558 559 Please note that this driver might be needed to bring up other 560 devices such as DaVinci NIC. 561 For details please see http://www.ti.com/davinci 562 563config I2C_DESIGNWARE_CORE 564 tristate "Synopsys DesignWare I2C adapter" 565 select REGMAP 566 help 567 This option enables support for the Synopsys DesignWare I2C adapter. 568 This driver includes support for the I2C host on the Synopsys 569 Designware I2C adapter. 570 571 To compile the driver as a module, choose M here: the module will be 572 called i2c-designware-core. 573 574if I2C_DESIGNWARE_CORE 575 576config I2C_DESIGNWARE_SLAVE 577 bool "Synopsys DesignWare Slave" 578 select I2C_SLAVE 579 help 580 If you say yes to this option, support will be included for the 581 Synopsys DesignWare I2C slave adapter. 582 583config I2C_DESIGNWARE_PLATFORM 584 tristate "Synopsys DesignWare Platform driver" 585 depends on (ACPI && COMMON_CLK) || !ACPI 586 select MFD_SYSCON if MIPS_BAIKAL_T1 587 default I2C_DESIGNWARE_CORE 588 help 589 If you say yes to this option, support will be included for the 590 Synopsys DesignWare I2C adapters on the platform bus. 591 592 This driver can also be built as a module. If so, the module 593 will be called i2c-designware-platform. 594 595config I2C_DESIGNWARE_AMDISP 596 tristate "Synopsys DesignWare Platform for AMDISP" 597 depends on DRM_AMD_ISP || COMPILE_TEST 598 depends on I2C_DESIGNWARE_CORE 599 help 600 If you say yes to this option, support will be included for the 601 AMDISP Synopsys DesignWare I2C adapter. 602 603 This driver can also be built as a module. If so, the module 604 will be called amd_isp_i2c_designware. 605 606config I2C_DESIGNWARE_AMDPSP 607 bool "AMD PSP I2C semaphore support" 608 depends on ACPI 609 depends on CRYPTO_DEV_SP_PSP 610 depends on PCI 611 depends on I2C_DESIGNWARE_PLATFORM 612 depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \ 613 (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD) 614 help 615 This driver enables managed host access to the selected I2C bus shared 616 between AMD CPU and AMD PSP. 617 618 You should say Y if running on an AMD system equipped with the PSP. 619 620config I2C_DESIGNWARE_BAYTRAIL 621 bool "Intel Baytrail I2C semaphore support" 622 depends on ACPI 623 depends on I2C_DESIGNWARE_PLATFORM 624 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 625 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 626 help 627 This driver enables managed host access to the PMIC I2C bus on select 628 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 629 the host to request uninterrupted access to the PMIC's I2C bus from 630 the platform firmware controlling it. You should say Y if running on 631 a BayTrail system using the AXP288. 632 633config I2C_DESIGNWARE_PCI 634 tristate "Synopsys DesignWare PCI driver" 635 depends on PCI 636 select I2C_CCGX_UCSI 637 help 638 If you say yes to this option, support will be included for the 639 Synopsys DesignWare I2C adapters on the PCI bus. Only master mode is 640 supported. 641 642 This driver can also be built as a module. If so, the module 643 will be called i2c-designware-pci. 644 645endif 646 647config I2C_DIGICOLOR 648 tristate "Conexant Digicolor I2C driver" 649 depends on ARCH_DIGICOLOR || COMPILE_TEST 650 help 651 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 652 653 This driver can also be built as a module. If so, the module 654 will be called i2c-digicolor. 655 656config I2C_EG20T 657 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 658 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 659 help 660 This driver is for PCH(Platform controller Hub) I2C of EG20T which 661 is an IOH(Input/Output Hub) for x86 embedded processor. 662 This driver can access PCH I2C bus device. 663 664 This driver also can be used for LAPIS Semiconductor IOH(Input/ 665 Output Hub), ML7213, ML7223 and ML7831. 666 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 667 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 668 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 669 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 670 671config I2C_EMEV2 672 tristate "EMMA Mobile series I2C adapter" 673 depends on HAVE_CLK 674 select I2C_SLAVE 675 help 676 If you say yes to this option, support will be included for the 677 I2C interface on the Renesas Electronics EM/EV family of processors. 678 679config I2C_EXYNOS5 680 tristate "Exynos high-speed I2C driver" 681 depends on OF 682 depends on ARCH_EXYNOS || COMPILE_TEST 683 default y if ARCH_EXYNOS 684 help 685 High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs: 686 Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800, 687 Exynos5433, Exynos7, Exynos850 and ExynosAutoV9. 688 Choose Y here only if you build for such Samsung SoC. 689 690config I2C_GPIO 691 tristate "GPIO-based bitbanging I2C" 692 depends on GPIOLIB || COMPILE_TEST 693 select I2C_ALGOBIT 694 help 695 This is a very simple bitbanging I2C driver utilizing the 696 arch-neutral GPIO API to control the SCL and SDA lines. 697 698config I2C_GPIO_FAULT_INJECTOR 699 bool "GPIO-based fault injector" 700 depends on I2C_GPIO 701 help 702 This adds some functionality to the i2c-gpio driver which can inject 703 faults to an I2C bus, so another bus master can be stress-tested. 704 This is for debugging. If unsure, say 'no'. 705 706config I2C_GXP 707 tristate "GXP I2C Interface" 708 depends on ARCH_HPE_GXP || COMPILE_TEST 709 help 710 This enables support for GXP I2C interface. The I2C engines can be 711 either I2C master or I2C slaves. 712 713config I2C_HIGHLANDER 714 tristate "Highlander FPGA SMBus interface" 715 depends on SH_HIGHLANDER || COMPILE_TEST 716 help 717 If you say yes to this option, support will be included for 718 the SMBus interface located in the FPGA on various Highlander 719 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 720 FPGAs. This is wholly unrelated to the SoC I2C. 721 722 This driver can also be built as a module. If so, the module 723 will be called i2c-highlander. 724 725config I2C_HISI 726 tristate "HiSilicon I2C controller" 727 depends on ARM64 || COMPILE_TEST 728 help 729 Say Y here if you want to have Hisilicon I2C controller support 730 available on the Kunpeng Server. 731 732 This driver can also be built as a module. If so, the module 733 will be called i2c-hisi. 734 735config I2C_IBM_IIC 736 tristate "IBM PPC 4xx on-chip I2C interface" 737 depends on 4xx 738 help 739 Say Y here if you want to use IIC peripheral found on 740 embedded IBM PPC 4xx based systems. 741 742 This driver can also be built as a module. If so, the module 743 will be called i2c-ibm_iic. 744 745config I2C_IMG 746 tristate "Imagination Technologies I2C SCB Controller" 747 depends on MIPS || COMPILE_TEST 748 help 749 Say Y here if you want to use the IMG I2C SCB controller, 750 available on the TZ1090 and other IMG SoCs. 751 752 This driver can also be built as a module. If so, the module 753 will be called i2c-img-scb. 754 755config I2C_IMX 756 tristate "IMX I2C interface" 757 depends on ARCH_MXC || ARCH_LAYERSCAPE || ARCH_S32 || COLDFIRE \ 758 || COMPILE_TEST 759 select I2C_SLAVE 760 help 761 Say Y here if you want to use the IIC bus controller on 762 the Freescale i.MX/MXC/S32G, Layerscape or ColdFire processors. 763 764 This driver can also be built as a module. If so, the module 765 will be called i2c-imx. 766 767config I2C_IMX_LPI2C 768 tristate "IMX Low Power I2C interface" 769 depends on ARCH_MXC || COMPILE_TEST 770 select I2C_SLAVE 771 help 772 Say Y here if you want to use the Low Power IIC bus controller 773 on the Freescale i.MX processors. 774 775 This driver can also be built as a module. If so, the module 776 will be called i2c-imx-lpi2c. 777 778config I2C_IOP3XX 779 tristate "Intel IXP4xx on-chip I2C interface" 780 depends on ARCH_IXP4XX || COMPILE_TEST 781 help 782 Say Y here if you want to use the IIC bus controller on 783 the Intel IXP4xx Network Processors. 784 785 This driver can also be built as a module. If so, the module 786 will be called i2c-iop3xx. 787 788config I2C_JZ4780 789 tristate "JZ4780 I2C controller interface support" 790 depends on MIPS || COMPILE_TEST 791 help 792 If you say yes to this option, support will be included for the 793 Ingenic JZ4780 I2C controller. 794 795 If you don't know what to do here, say N. 796 797config I2C_K1 798 tristate "SpacemiT K1 I2C adapter" 799 depends on ARCH_SPACEMIT || COMPILE_TEST 800 depends on OF 801 help 802 This option enables support for the I2C interface on the SpacemiT K1 803 platform. 804 805 If you enable this configuration, the kernel will include support for 806 the I2C adapter specific to the SpacemiT K1 platform. This driver can 807 be used to manage I2C bus transactions, which are necessary for 808 interfacing with I2C peripherals such as sensors, EEPROMs, and other 809 devices. 810 811 This driver can also be built as a module. If so, the 812 module will be called `i2c-k1`. 813 814config I2C_KEBA 815 tristate "KEBA I2C controller support" 816 depends on HAS_IOMEM 817 depends on KEBA_CP500 || COMPILE_TEST 818 select AUXILIARY_BUS 819 help 820 This driver supports the I2C controller found in KEBA system FPGA 821 devices. 822 823 This driver can also be built as a module. If so, the module 824 will be called i2c-keba. 825 826config I2C_KEMPLD 827 tristate "Kontron COM I2C Controller" 828 depends on MFD_KEMPLD 829 help 830 This enables support for the I2C bus interface on some Kontron ETX 831 and COMexpress (ETXexpress) modules. 832 833 This driver can also be built as a module. If so, the module 834 will be called i2c-kempld. 835 836config I2C_LPC2K 837 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 838 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 839 help 840 This driver supports the I2C interface found several NXP 841 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 842 843 This driver can also be built as a module. If so, the module 844 will be called i2c-lpc2k. 845 846config I2C_LS2X 847 tristate "Loongson LS2X I2C adapter" 848 depends on MACH_LOONGSON64 || COMPILE_TEST 849 help 850 If you say yes to this option, support will be included for the 851 I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge 852 chip. 853 854 This driver can also be built as a module. If so, the module 855 will be called i2c-ls2x. 856 857config I2C_MLXBF 858 tristate "Mellanox BlueField I2C controller" 859 depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST 860 depends on ACPI 861 select I2C_SLAVE 862 help 863 Enabling this option will add I2C SMBus support for Mellanox BlueField 864 system. 865 866 This driver can also be built as a module. If so, the module will be 867 called i2c-mlxbf. 868 869 This driver implements an I2C SMBus host controller and enables both 870 master and slave functions. 871 872config I2C_MESON 873 tristate "Amlogic Meson I2C controller" 874 depends on ARCH_MESON || COMPILE_TEST 875 depends on COMMON_CLK 876 help 877 If you say yes to this option, support will be included for the 878 I2C interface on the Amlogic Meson family of SoCs. 879 880config I2C_MICROCHIP_CORE 881 tristate "Microchip FPGA I2C controller" 882 depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST 883 depends on OF 884 help 885 If you say yes to this option, support will be included for the 886 I2C interface on Microchip FPGAs. 887 888 This driver can also be built as a module. If so, the module will be 889 called i2c-microchip-core. 890 891config I2C_MPC 892 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 893 depends on PPC 894 help 895 If you say yes to this option, support will be included for the 896 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 897 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 898 899 This driver can also be built as a module. If so, the module 900 will be called i2c-mpc. 901 902config I2C_MT65XX 903 tristate "MediaTek I2C adapter" 904 depends on ARCH_MEDIATEK || COMPILE_TEST 905 help 906 This selects the MediaTek(R) Integrated Inter Circuit bus driver 907 for MT65xx and MT81xx. 908 If you want to use MediaTek(R) I2C interface, say Y or M here. 909 If unsure, say N. 910 911config I2C_MT7621 912 tristate "MT7621/MT7628 I2C Controller" 913 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST 914 help 915 Say Y here to include support for I2C controller in the 916 MediaTek MT7621/MT7628 SoCs. 917 918config I2C_MV64XXX 919 tristate "Marvell mv64xxx I2C Controller" 920 depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST 921 help 922 If you say yes to this option, support will be included for the 923 built-in I2C interface on the Marvell 64xxx line of host bridges. 924 This driver is also used for Allwinner SoCs I2C controllers. 925 926 This driver can also be built as a module. If so, the module 927 will be called i2c-mv64xxx. 928 929config I2C_MXS 930 tristate "Freescale i.MX28 I2C interface" 931 depends on SOC_IMX28 || COMPILE_TEST 932 select STMP_DEVICE 933 help 934 Say Y here if you want to use the I2C bus controller on 935 the Freescale i.MX28 processors. 936 937 This driver can also be built as a module. If so, the module 938 will be called i2c-mxs. 939 940config I2C_NOMADIK 941 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 942 depends on ARM_AMBA || COMPILE_TEST 943 help 944 If you say yes to this option, support will be included for the 945 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 946 as well as the STA2X11 PCIe I/O HUB. 947 948config I2C_NPCM 949 tristate "Nuvoton I2C Controller" 950 depends on ARCH_NPCM || COMPILE_TEST 951 help 952 If you say yes to this option, support will be included for the 953 Nuvoton I2C controller, which is available on the NPCM BMC 954 controllers. 955 Driver can also support slave mode (select I2C_SLAVE). 956 957config I2C_OCORES 958 tristate "OpenCores I2C Controller" 959 help 960 If you say yes to this option, support will be included for the 961 OpenCores I2C controller. For details see 962 http://www.opencores.org/projects.cgi/web/i2c/overview 963 964 This driver can also be built as a module. If so, the module 965 will be called i2c-ocores. 966 967config I2C_OMAP 968 tristate "OMAP I2C adapter" 969 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST 970 default MACH_OMAP_OSK 971 select MULTIPLEXER 972 help 973 If you say yes to this option, support will be included for the 974 I2C interface on the Texas Instruments OMAP1/2 family of processors. 975 Like OMAP1510/1610/1710/5912 and OMAP242x. 976 For details see http://www.ti.com/omap. 977 978config I2C_OWL 979 tristate "Actions Semiconductor Owl I2C Controller" 980 depends on ARCH_ACTIONS || COMPILE_TEST 981 help 982 Say Y here if you want to use the I2C bus controller on 983 the Actions Semiconductor Owl SoC's. 984 985config I2C_PASEMI 986 tristate "PA Semi SMBus interface" 987 depends on PPC_PASEMI && PCI 988 help 989 Supports the PA Semi PWRficient on-chip SMBus interfaces. 990 991config I2C_APPLE 992 tristate "Apple SMBus platform driver" 993 depends on !I2C_PASEMI 994 depends on ARCH_APPLE || COMPILE_TEST 995 help 996 Say Y here if you want to use the I2C controller present on Apple 997 Silicon chips such as the M1. 998 999 This driver can also be built as a module. If so, the module 1000 will be called i2c-apple. 1001 1002config I2C_PCA_PLATFORM 1003 tristate "PCA9564/PCA9665 as platform device" 1004 select I2C_ALGOPCA 1005 help 1006 This driver supports a memory mapped Philips PCA9564/PCA9665 1007 parallel bus to I2C bus controller. 1008 1009 This driver can also be built as a module. If so, the module 1010 will be called i2c-pca-platform. 1011 1012config I2C_PNX 1013 tristate "I2C bus support for Philips PNX and NXP LPC targets" 1014 depends on ARCH_LPC32XX || COMPILE_TEST 1015 help 1016 This driver supports the Philips IP3204 I2C IP block master and/or 1017 slave controller 1018 1019 This driver can also be built as a module. If so, the module 1020 will be called i2c-pnx. 1021 1022config I2C_PXA 1023 tristate "Intel PXA2XX I2C adapter" 1024 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST 1025 help 1026 If you have devices in the PXA I2C bus, say yes to this option. 1027 This driver can also be built as a module. If so, the module 1028 will be called i2c-pxa. 1029 1030config I2C_PXA_PCI 1031 def_bool I2C_PXA && X86_32 && PCI && OF 1032 1033config I2C_PXA_SLAVE 1034 bool "Intel PXA2XX I2C Slave comms support" 1035 depends on I2C_PXA && !X86_32 1036 select I2C_SLAVE 1037 help 1038 Support I2C slave mode communications on the PXA I2C bus. This 1039 is necessary for systems where the PXA may be a target on the 1040 I2C bus. 1041 1042config I2C_QCOM_CCI 1043 tristate "Qualcomm Camera Control Interface" 1044 depends on ARCH_QCOM || COMPILE_TEST 1045 help 1046 If you say yes to this option, support will be included for the 1047 built-in camera control interface on the Qualcomm SoCs. 1048 1049 This driver can also be built as a module. If so, the module 1050 will be called i2c-qcom-cci. 1051 1052config I2C_QCOM_GENI 1053 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 1054 depends on ARCH_QCOM || COMPILE_TEST 1055 depends on QCOM_GENI_SE 1056 help 1057 This driver supports GENI serial engine based I2C controller in 1058 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 1059 yes to this option, support will be included for the built-in I2C 1060 interface on the Qualcomm Technologies Inc.'s SoCs. 1061 1062 This driver can also be built as a module. If so, the module 1063 will be called i2c-qcom-geni. 1064 1065config I2C_QUP 1066 tristate "Qualcomm QUP based I2C controller" 1067 depends on ARCH_QCOM || COMPILE_TEST 1068 help 1069 If you say yes to this option, support will be included for the 1070 built-in I2C interface on the Qualcomm SoCs. 1071 1072 This driver can also be built as a module. If so, the module 1073 will be called i2c-qup. 1074 1075config I2C_RIIC 1076 tristate "Renesas RIIC adapter" 1077 depends on ARCH_RENESAS || COMPILE_TEST 1078 help 1079 If you say yes to this option, support will be included for the 1080 Renesas RIIC I2C interface. 1081 1082 This driver can also be built as a module. If so, the module 1083 will be called i2c-riic. 1084 1085config I2C_RK3X 1086 tristate "Rockchip RK3xxx I2C adapter" 1087 depends on OF && COMMON_CLK 1088 help 1089 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 1090 SoCs. 1091 1092 This driver can also be built as a module. If so, the module will 1093 be called i2c-rk3x. 1094 1095config I2C_RTL9300 1096 tristate "Realtek RTL9300 I2C controller" 1097 depends on MACH_REALTEK_RTL || COMPILE_TEST 1098 help 1099 Say Y here to include support for the I2C controller in Realtek 1100 RTL9300 SoCs. 1101 1102 This driver can also be built as a module. If so, the module will 1103 be called i2c-rtl9300. 1104 1105config I2C_RZV2M 1106 tristate "Renesas RZ/V2M adapter" 1107 depends on ARCH_RENESAS || COMPILE_TEST 1108 help 1109 If you say yes to this option, support will be included for the 1110 Renesas RZ/V2M I2C interface. 1111 1112 This driver can also be built as a module. If so, the module 1113 will be called i2c-rzv2m. 1114 1115config I2C_S3C2410 1116 tristate "S3C/Exynos I2C Driver" 1117 depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 1118 help 1119 Say Y here to include support for I2C controller in the 1120 Samsung SoCs (S3C, S5Pv210, Exynos). 1121 1122config I2C_SH7760 1123 tristate "Renesas SH7760 I2C Controller" 1124 depends on CPU_SUBTYPE_SH7760 1125 help 1126 This driver supports the 2 I2C interfaces on the Renesas SH7760. 1127 1128 This driver can also be built as a module. If so, the module 1129 will be called i2c-sh7760. 1130 1131config I2C_SH_MOBILE 1132 tristate "SuperH Mobile I2C Controller" 1133 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 1134 help 1135 If you say yes to this option, support will be included for the 1136 built-in I2C interface on the Renesas SH-Mobile processor. 1137 1138 This driver can also be built as a module. If so, the module 1139 will be called i2c-sh_mobile. 1140 1141config I2C_SIMTEC 1142 tristate "Simtec Generic I2C interface" 1143 select I2C_ALGOBIT 1144 help 1145 If you say yes to this option, support will be included for 1146 the Simtec Generic I2C interface. This driver is for the 1147 simple I2C bus used on newer Simtec products for general 1148 I2C, such as DDC on the Simtec BBD2016A. 1149 1150 This driver can also be built as a module. If so, the module 1151 will be called i2c-simtec. 1152 1153config I2C_SPRD 1154 tristate "Spreadtrum I2C interface" 1155 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST) 1156 depends on COMMON_CLK 1157 help 1158 If you say yes to this option, support will be included for the 1159 Spreadtrum I2C interface. 1160 1161config I2C_ST 1162 tristate "STMicroelectronics SSC I2C support" 1163 depends on ARCH_STI || COMPILE_TEST 1164 help 1165 Enable this option to add support for STMicroelectronics SoCs 1166 hardware SSC (Synchronous Serial Controller) as an I2C controller. 1167 1168 This driver can also be built as module. If so, the module 1169 will be called i2c-st. 1170 1171config I2C_STM32F4 1172 tristate "STMicroelectronics STM32F4 I2C support" 1173 depends on ARCH_STM32 || COMPILE_TEST 1174 help 1175 Enable this option to add support for STM32 I2C controller embedded 1176 in STM32F4 SoCs. 1177 1178 This driver can also be built as module. If so, the module 1179 will be called i2c-stm32f4. 1180 1181config I2C_STM32F7 1182 tristate "STMicroelectronics STM32F7 I2C support" 1183 depends on ARCH_STM32 || COMPILE_TEST 1184 select I2C_SLAVE 1185 select I2C_SMBUS 1186 help 1187 Enable this option to add support for STM32 I2C controller embedded 1188 in STM32F7 SoCs. 1189 1190 This driver can also be built as module. If so, the module 1191 will be called i2c-stm32f7. 1192 1193config I2C_SUN6I_P2WI 1194 tristate "Allwinner sun6i internal P2WI controller" 1195 depends on RESET_CONTROLLER 1196 depends on MACH_SUN6I || COMPILE_TEST 1197 help 1198 If you say yes to this option, support will be included for the 1199 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1200 SOCs. 1201 The P2WI looks like an SMBus controller (which supports only byte 1202 accesses), except that it only supports one slave device. 1203 This interface is used to connect to specific PMIC devices (like the 1204 AXP221). 1205 1206config I2C_SYNQUACER 1207 tristate "Socionext SynQuacer I2C controller" 1208 depends on ARCH_SYNQUACER || COMPILE_TEST 1209 help 1210 Say Y here to include support for the I2C controller used in some 1211 Fujitsu and Socionext SoCs. 1212 1213 This driver can also be built as a module. If so, the module 1214 will be called i2c-synquacer. 1215 1216config I2C_TEGRA 1217 tristate "NVIDIA Tegra internal I2C controller" 1218 depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC)) 1219 # COMPILE_TEST needs architectures with readsX()/writesX() primitives 1220 help 1221 If you say yes to this option, support will be included for the 1222 I2C controller embedded in NVIDIA Tegra SOCs 1223 1224config I2C_TEGRA_BPMP 1225 tristate "NVIDIA Tegra BPMP I2C controller" 1226 depends on TEGRA_BPMP || COMPILE_TEST 1227 default y if TEGRA_BPMP 1228 help 1229 If you say yes to this option, support will be included for the I2C 1230 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1231 1232 This I2C driver is a 'virtual' I2C driver. The real driver is part 1233 of the BPMP firmware, and this driver merely communicates with that 1234 real driver. 1235 1236config I2C_UNIPHIER 1237 tristate "UniPhier FIFO-less I2C controller" 1238 depends on ARCH_UNIPHIER || COMPILE_TEST 1239 help 1240 If you say yes to this option, support will be included for 1241 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1242 or older UniPhier SoCs. 1243 1244config I2C_UNIPHIER_F 1245 tristate "UniPhier FIFO-builtin I2C controller" 1246 depends on ARCH_UNIPHIER || COMPILE_TEST 1247 help 1248 If you say yes to this option, support will be included for 1249 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1250 PH1-Pro5, or newer UniPhier SoCs. 1251 1252config I2C_VERSATILE 1253 tristate "ARM Versatile/Realview I2C bus support" 1254 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1255 select I2C_ALGOBIT 1256 help 1257 Say yes if you want to support the I2C serial bus on ARMs Versatile 1258 range of platforms. 1259 1260 This driver can also be built as a module. If so, the module 1261 will be called i2c-versatile. 1262 1263config I2C_WMT 1264 tristate "Wondermedia WM8xxx SoC I2C bus support" 1265 depends on ARCH_VT8500 || COMPILE_TEST 1266 help 1267 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1268 SoCs. 1269 1270 This driver can also be built as a module. If so, the module will be 1271 called i2c-wmt. 1272 1273config I2C_OCTEON 1274 tristate "Cavium OCTEON I2C bus support" 1275 depends on CAVIUM_OCTEON_SOC 1276 help 1277 Say yes if you want to support the I2C serial bus on Cavium 1278 OCTEON SOC. 1279 1280 This driver can also be built as a module. If so, the module 1281 will be called i2c-octeon. 1282 1283config I2C_THUNDERX 1284 tristate "Cavium ThunderX I2C bus support" 1285 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1286 select I2C_SMBUS 1287 help 1288 Say yes if you want to support the I2C serial bus on Cavium 1289 ThunderX SOC. 1290 1291 This driver can also be built as a module. If so, the module 1292 will be called i2c-thunderx. 1293 1294config I2C_XILINX 1295 tristate "Xilinx I2C Controller" 1296 depends on HAS_IOMEM 1297 help 1298 If you say yes to this option, support will be included for the 1299 Xilinx I2C controller. 1300 1301 This driver can also be built as a module. If so, the module 1302 will be called xilinx_i2c. 1303 1304config I2C_XLP9XX 1305 tristate "Cavium ThunderX2 I2C support" 1306 depends on ARCH_THUNDER2 || COMPILE_TEST 1307 help 1308 This driver enables support for the on-chip I2C interface of 1309 the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.) 1310 1311 This driver can also be built as a module. If so, the module will 1312 be called i2c-xlp9xx. 1313 1314config I2C_RCAR 1315 tristate "Renesas R-Car I2C Controller" 1316 depends on ARCH_RENESAS || COMPILE_TEST 1317 select I2C_SLAVE 1318 select I2C_SMBUS 1319 select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4 1320 help 1321 If you say yes to this option, support will be included for the 1322 R-Car I2C controller. 1323 1324 This driver can also be built as a module. If so, the module 1325 will be called i2c-rcar. 1326 1327comment "External I2C/SMBus adapter drivers" 1328 1329config I2C_DIOLAN_U2C 1330 tristate "Diolan U2C-12 USB adapter" 1331 depends on USB 1332 help 1333 If you say yes to this option, support will be included for Diolan 1334 U2C-12, a USB to I2C interface. 1335 1336 This driver can also be built as a module. If so, the module 1337 will be called i2c-diolan-u2c. 1338 1339config I2C_DLN2 1340 tristate "Diolan DLN-2 USB I2C adapter" 1341 depends on MFD_DLN2 1342 help 1343 If you say yes to this option, support will be included for Diolan 1344 DLN2, a USB to I2C interface. 1345 1346 This driver can also be built as a module. If so, the module 1347 will be called i2c-dln2. 1348 1349config I2C_LJCA 1350 tristate "I2C functionality of Intel La Jolla Cove Adapter" 1351 depends on USB_LJCA 1352 default USB_LJCA 1353 help 1354 If you say yes to this option, I2C functionality support of Intel 1355 La Jolla Cove Adapter (LJCA) will be included. 1356 1357 This driver can also be built as a module. If so, the module 1358 will be called i2c-ljca. 1359 1360config I2C_CP2615 1361 tristate "Silicon Labs CP2615 USB sound card and I2C adapter" 1362 depends on USB 1363 help 1364 If you say yes to this option, support will be included for Silicon 1365 Labs CP2615's I2C interface. 1366 1367 This driver can also be built as a module. If so, the module 1368 will be called i2c-cp2615. 1369 1370config I2C_PARPORT 1371 tristate "Parallel port adapter" 1372 depends on PARPORT 1373 select I2C_ALGOBIT 1374 select I2C_SMBUS 1375 help 1376 This supports parallel port I2C adapters such as the ones made by 1377 Philips or Velleman, Analog Devices evaluation boards, and more. 1378 Basically any adapter using the parallel port as an I2C bus with 1379 no extra chipset is supported by this driver, or could be. Please 1380 read the file Documentation/i2c/busses/i2c-parport.rst for details. 1381 1382 This support is also available as a module. If so, the module 1383 will be called i2c-parport. 1384 1385config I2C_PCI1XXXX 1386 tristate "PCI1XXXX I2C Host Adapter" 1387 depends on PCI 1388 help 1389 If you say yes to this option, support will be included for 1390 Microchip PCI1XXXX's I2C interface. 1391 1392 This driver can also be built as a module. If so, the module will 1393 be called i2c-mchp-pci1xxxx. 1394 1395config I2C_ROBOTFUZZ_OSIF 1396 tristate "RobotFuzz Open Source InterFace USB adapter" 1397 depends on USB 1398 help 1399 If you say yes to this option, support will be included for the 1400 RobotFuzz Open Source InterFace USB to I2C interface. 1401 1402 This driver can also be built as a module. If so, the module 1403 will be called i2c-osif. 1404 1405config I2C_TAOS_EVM 1406 tristate "TAOS evaluation module" 1407 depends on TTY 1408 select SERIO 1409 select SERIO_SERPORT 1410 help 1411 This supports TAOS evaluation modules on serial port. In order to 1412 use this driver, you will need the inputattach tool, which is part 1413 of the input-utils package. 1414 1415 If unsure, say N. 1416 1417 This support is also available as a module. If so, the module 1418 will be called i2c-taos-evm. 1419 1420config I2C_TINY_USB 1421 tristate "Tiny-USB adapter" 1422 depends on USB 1423 help 1424 If you say yes to this option, support will be included for the 1425 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1426 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1427 1428 This driver can also be built as a module. If so, the module 1429 will be called i2c-tiny-usb. 1430 1431config I2C_VIPERBOARD 1432 tristate "Viperboard I2C master support" 1433 depends on MFD_VIPERBOARD && USB 1434 help 1435 Say yes here to access the I2C part of the Nano River 1436 Technologies Viperboard as I2C master. 1437 See viperboard API specification and Nano 1438 River Tech's viperboard.h for detailed meaning 1439 of the module parameters. 1440 1441comment "Other I2C/SMBus bus drivers" 1442 1443config I2C_ACORN 1444 tristate "Acorn IOC/IOMD I2C bus support" 1445 depends on ARCH_ACORN 1446 default y 1447 select I2C_ALGOBIT 1448 help 1449 Say yes if you want to support the I2C bus on Acorn platforms. 1450 1451 If you don't know, say Y. 1452 1453config I2C_ELEKTOR 1454 tristate "Elektor ISA card" 1455 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1456 select I2C_ALGOPCF 1457 help 1458 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1459 such an adapter. 1460 1461 This support is also available as a module. If so, the module 1462 will be called i2c-elektor. 1463 1464config I2C_ICY 1465 tristate "ICY Zorro card" 1466 depends on ZORRO 1467 select I2C_ALGOPCF 1468 help 1469 This supports the PCF8584 Zorro bus I2C adapter, known as ICY. 1470 Say Y if you own such an adapter. 1471 1472 This support is also available as a module. If so, the module 1473 will be called i2c-icy. 1474 1475 If you have a 2019 edition board with an LTC2990 sensor at address 1476 0x4c, loading the module 'ltc2990' is sufficient to enable it. 1477 1478config I2C_MLXCPLD 1479 tristate "Mellanox I2C driver" 1480 depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST 1481 depends on HAS_IOPORT 1482 help 1483 This exposes the Mellanox platform I2C busses to the linux I2C layer 1484 for X86 and ARM64/ACPI based systems. 1485 Controller is implemented as CPLD logic. 1486 1487 This driver can also be built as a module. If so, the module will be 1488 called as i2c-mlxcpld. 1489 1490config I2C_PCA_ISA 1491 tristate "PCA9564/PCA9665 on an ISA bus" 1492 depends on ISA 1493 select I2C_ALGOPCA 1494 help 1495 This driver supports ISA boards using the Philips PCA9564/PCA9665 1496 parallel bus to I2C bus controller. 1497 1498 This driver can also be built as a module. If so, the module 1499 will be called i2c-pca-isa. 1500 1501 This device is almost undetectable and using this driver on a 1502 system which doesn't have this device will result in long 1503 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1504 time). If unsure, say N. 1505 1506config I2C_SIBYTE 1507 tristate "SiByte SMBus interface" 1508 depends on SIBYTE_SB1xxx_SOC 1509 help 1510 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1511 1512config I2C_CROS_EC_TUNNEL 1513 tristate "ChromeOS EC tunnel I2C bus" 1514 depends on CROS_EC 1515 help 1516 If you say yes here you get an I2C bus that will tunnel i2c commands 1517 through to the other side of the ChromeOS EC to the i2c bus 1518 connected there. This will work whatever the interface used to 1519 talk to the EC (SPI, I2C or LPC). 1520 1521config I2C_XGENE_SLIMPRO 1522 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1523 depends on ARCH_XGENE && MAILBOX 1524 help 1525 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1526 co-processor. The I2C device access the I2C bus via the X-Gene 1527 to SLIMpro (On chip coprocessor) mailbox mechanism. 1528 If unsure, say N. 1529 1530config SCx200_ACB 1531 tristate "Geode ACCESS.bus support" 1532 depends on X86_32 && PCI && HAS_IOPORT 1533 help 1534 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1535 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1536 1537 If you don't know what to do here, say N. 1538 1539 This support is also available as a module. If so, the module 1540 will be called scx200_acb. 1541 1542config I2C_OPAL 1543 tristate "IBM OPAL I2C driver" 1544 depends on PPC_POWERNV 1545 default y 1546 help 1547 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1548 the driver is based on the OPAL interfaces. 1549 1550 This driver can also be built as a module. If so, the module will be 1551 called as i2c-opal. 1552 1553config I2C_FSI 1554 tristate "FSI I2C driver" 1555 depends on FSI 1556 help 1557 Driver for FSI bus attached I2C masters. These are I2C masters that 1558 are connected to the system over an FSI bus, instead of the more 1559 common PCI or MMIO interface. 1560 1561 This driver can also be built as a module. If so, the module will be 1562 called as i2c-fsi. 1563 1564config I2C_VIRTIO 1565 tristate "Virtio I2C Adapter" 1566 select VIRTIO 1567 help 1568 If you say yes to this option, support will be included for the virtio 1569 I2C adapter driver. The hardware can be emulated by any device model 1570 software according to the virtio protocol. 1571 1572 This driver can also be built as a module. If so, the module 1573 will be called i2c-virtio. 1574 1575endmenu 1576