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 || MCHP_LAN966X_PCI || COMPILE_TEST 421 help 422 This supports the use of the I2C interface on Atmel AT91 423 processors. 424 425 A serious problem is that there is no documented way to issue 426 repeated START conditions for more than two messages, as needed 427 to support combined I2C messages. Use the i2c-gpio driver 428 unless your system can cope with this limitation. 429 430 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 431 don't have clock stretching in transmission mode. For that reason, 432 you can encounter underrun issues causing premature stop sendings if 433 the latency to fill the transmission register is too long. If you 434 are facing this situation, use the i2c-gpio driver. 435 436config I2C_AT91_SLAVE_EXPERIMENTAL 437 bool "Microchip AT91 I2C experimental slave mode" 438 depends on I2C_AT91 439 select I2C_SLAVE 440 help 441 If you say yes to this option, support for the slave mode will be 442 added. Caution: do not use it for production. This feature has not 443 been tested in a heavy way, help wanted. 444 There are known bugs: 445 - It can hang, on a SAMA5D4, after several transfers. 446 - There are some mismatches with a SAMA5D4 as slave and a SAMA5D2 as 447 master. 448 449config I2C_AU1550 450 tristate "Au1550/Au1200/Au1300 SMBus interface" 451 depends on MIPS_ALCHEMY 452 help 453 If you say yes to this option, support will be included for the 454 Au1550/Au1200/Au1300 SMBus interface. 455 456 This driver can also be built as a module. If so, the module 457 will be called i2c-au1550. 458 459config I2C_AXXIA 460 tristate "Axxia I2C controller" 461 depends on ARCH_AXXIA || COMPILE_TEST 462 default ARCH_AXXIA 463 select I2C_SLAVE 464 help 465 Say yes if you want to support the I2C bus on Axxia platforms. 466 467 Please note that this controller is limited to transfers of maximum 468 255 bytes in length. Any attempt to to a larger transfer will return 469 an error. 470 471config I2C_BCM2835 472 tristate "Broadcom BCM2835 I2C controller" 473 depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST 474 depends on COMMON_CLK 475 help 476 If you say yes to this option, support will be included for the 477 BCM2835 I2C controller. 478 479 If you don't know what to do here, say N. 480 481 This support is also available as a module. If so, the module 482 will be called i2c-bcm2835. 483 484config I2C_BCM_IPROC 485 tristate "Broadcom iProc I2C controller" 486 depends on ARCH_BCM_IPROC || COMPILE_TEST 487 default ARCH_BCM_IPROC 488 select I2C_SLAVE 489 help 490 If you say yes to this option, support will be included for the 491 Broadcom iProc I2C controller. 492 493 If you don't know what to do here, say N. 494 495config I2C_BCM_KONA 496 tristate "BCM Kona I2C adapter" 497 depends on ARCH_BCM_MOBILE || COMPILE_TEST 498 default y if ARCH_BCM_MOBILE 499 help 500 If you say yes to this option, support will be included for the 501 I2C interface on the Broadcom Kona family of processors. 502 503 If you do not need KONA I2C interface, say N. 504 505config I2C_BRCMSTB 506 tristate "BRCM Settop/DSL I2C controller" 507 depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \ 508 BMIPS_GENERIC || COMPILE_TEST 509 default ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || BMIPS_GENERIC 510 help 511 If you say yes to this option, support will be included for the 512 I2C interface on the Broadcom Settop/DSL SoCs. 513 514 If you do not need I2C interface, say N. 515 516config I2C_CADENCE 517 tristate "Cadence I2C Controller" 518 depends on ARCH_ZYNQ || ARM64 || XTENSA || RISCV || COMPILE_TEST 519 help 520 Say yes here to select Cadence I2C Host Controller. This controller is 521 e.g. used by Xilinx Zynq. 522 523config I2C_CBUS_GPIO 524 tristate "CBUS I2C driver" 525 depends on GPIOLIB || COMPILE_TEST 526 help 527 Support for CBUS access using I2C API. Mostly relevant for Nokia 528 Internet Tablets (770, N800 and N810). 529 530 This driver can also be built as a module. If so, the module 531 will be called i2c-cbus-gpio. 532 533config I2C_CGBC 534 tristate "Congatec I2C Controller" 535 depends on MFD_CGBC 536 help 537 This driver supports the 2 I2C interfaces on the Congatec Board 538 Controller. 539 540 This driver can also be built as a module. If so, the module will 541 be called i2c-cgbc.ko. 542 543config I2C_CPM 544 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 545 depends on CPM1 || CPM2 546 help 547 This supports the use of the I2C interface on Freescale 548 processors with CPM1 or CPM2. 549 550 This driver can also be built as a module. If so, the module 551 will be called i2c-cpm. 552 553config I2C_DAVINCI 554 tristate "DaVinci I2C driver" 555 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 556 help 557 Support for TI DaVinci I2C controller driver. 558 559 This driver can also be built as a module. If so, the module 560 will be called i2c-davinci. 561 562 Please note that this driver might be needed to bring up other 563 devices such as DaVinci NIC. 564 For details please see http://www.ti.com/davinci 565 566config I2C_DESIGNWARE_CORE 567 tristate "Synopsys DesignWare I2C adapter" 568 select REGMAP 569 help 570 This option enables support for the Synopsys DesignWare I2C adapter. 571 This driver includes support for the I2C host on the Synopsys 572 Designware I2C adapter, and the I2C slave when enabled (select 573 I2C_SLAVE). 574 575 To compile the driver as a module, choose M here: the module will be 576 called i2c-designware-core. 577 578if I2C_DESIGNWARE_CORE 579 580config I2C_DESIGNWARE_PLATFORM 581 tristate "Synopsys DesignWare Platform driver" 582 depends on (ACPI && COMMON_CLK) || !ACPI 583 default I2C_DESIGNWARE_CORE 584 help 585 If you say yes to this option, support will be included for the 586 Synopsys DesignWare I2C adapters on the platform bus. 587 588 This driver can also be built as a module. If so, the module 589 will be called i2c-designware-platform. 590 591config I2C_DESIGNWARE_AMDISP 592 tristate "Synopsys DesignWare Platform for AMDISP" 593 depends on DRM_AMD_ISP || COMPILE_TEST 594 depends on I2C_DESIGNWARE_CORE 595 help 596 If you say yes to this option, support will be included for the 597 AMDISP Synopsys DesignWare I2C adapter. 598 599 This driver can also be built as a module. If so, the module 600 will be called amd_isp_i2c_designware. 601 602config I2C_DESIGNWARE_AMDPSP 603 bool "AMD PSP I2C semaphore support" 604 depends on ACPI 605 depends on CRYPTO_DEV_SP_PSP 606 depends on PCI 607 depends on I2C_DESIGNWARE_PLATFORM 608 depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \ 609 (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD) 610 help 611 This driver enables managed host access to the selected I2C bus shared 612 between AMD CPU and AMD PSP. 613 614 You should say Y if running on an AMD system equipped with the PSP. 615 616config I2C_DESIGNWARE_BAYTRAIL 617 bool "Intel Baytrail I2C semaphore support" 618 depends on ACPI 619 depends on I2C_DESIGNWARE_PLATFORM 620 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 621 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 622 help 623 This driver enables managed host access to the PMIC I2C bus on select 624 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 625 the host to request uninterrupted access to the PMIC's I2C bus from 626 the platform firmware controlling it. You should say Y if running on 627 a BayTrail system using the AXP288. 628 629config I2C_DESIGNWARE_PCI 630 tristate "Synopsys DesignWare PCI driver" 631 depends on PCI 632 select I2C_CCGX_UCSI 633 help 634 If you say yes to this option, support will be included for the 635 Synopsys DesignWare I2C adapters on the PCI bus. Only master mode is 636 supported. 637 638 This driver can also be built as a module. If so, the module 639 will be called i2c-designware-pci. 640 641endif 642 643config I2C_DIGICOLOR 644 tristate "Conexant Digicolor I2C driver" 645 depends on ARCH_DIGICOLOR || COMPILE_TEST 646 help 647 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 648 649 This driver can also be built as a module. If so, the module 650 will be called i2c-digicolor. 651 652config I2C_EG20T 653 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 654 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 655 help 656 This driver is for PCH(Platform controller Hub) I2C of EG20T which 657 is an IOH(Input/Output Hub) for x86 embedded processor. 658 This driver can access PCH I2C bus device. 659 660 This driver also can be used for LAPIS Semiconductor IOH(Input/ 661 Output Hub), ML7213, ML7223 and ML7831. 662 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 663 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 664 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 665 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 666 667config I2C_EMEV2 668 tristate "EMMA Mobile series I2C adapter" 669 depends on HAVE_CLK 670 select I2C_SLAVE 671 help 672 If you say yes to this option, support will be included for the 673 I2C interface on the Renesas Electronics EM/EV family of processors. 674 675config I2C_EXYNOS5 676 tristate "Exynos high-speed I2C driver" 677 depends on OF 678 depends on ARCH_EXYNOS || COMPILE_TEST 679 default y if ARCH_EXYNOS 680 help 681 High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs: 682 Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800, 683 Exynos5433, Exynos7, Exynos850 and ExynosAutoV9. 684 Choose Y here only if you build for such Samsung SoC. 685 686config I2C_GPIO 687 tristate "GPIO-based bitbanging I2C" 688 depends on GPIOLIB || COMPILE_TEST 689 select I2C_ALGOBIT 690 help 691 This is a very simple bitbanging I2C driver utilizing the 692 arch-neutral GPIO API to control the SCL and SDA lines. 693 694config I2C_GPIO_FAULT_INJECTOR 695 bool "GPIO-based fault injector" 696 depends on I2C_GPIO 697 help 698 This adds some functionality to the i2c-gpio driver which can inject 699 faults to an I2C bus, so another bus master can be stress-tested. 700 This is for debugging. If unsure, say 'no'. 701 702config I2C_GXP 703 tristate "GXP I2C Interface" 704 depends on ARCH_HPE_GXP || COMPILE_TEST 705 help 706 This enables support for GXP I2C interface. The I2C engines can be 707 either I2C master or I2C slaves. 708 709config I2C_HIGHLANDER 710 tristate "Highlander FPGA SMBus interface" 711 depends on SH_HIGHLANDER || COMPILE_TEST 712 help 713 If you say yes to this option, support will be included for 714 the SMBus interface located in the FPGA on various Highlander 715 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 716 FPGAs. This is wholly unrelated to the SoC I2C. 717 718 This driver can also be built as a module. If so, the module 719 will be called i2c-highlander. 720 721config I2C_HISI 722 tristate "HiSilicon I2C controller" 723 depends on ARM64 || COMPILE_TEST 724 help 725 Say Y here if you want to have Hisilicon I2C controller support 726 available on the Kunpeng Server. 727 728 This driver can also be built as a module. If so, the module 729 will be called i2c-hisi. 730 731config I2C_IBM_IIC 732 tristate "IBM PPC 4xx on-chip I2C interface" 733 depends on 4xx 734 help 735 Say Y here if you want to use IIC peripheral found on 736 embedded IBM PPC 4xx based systems. 737 738 This driver can also be built as a module. If so, the module 739 will be called i2c-ibm_iic. 740 741config I2C_IMG 742 tristate "Imagination Technologies I2C SCB Controller" 743 depends on MIPS || COMPILE_TEST 744 help 745 Say Y here if you want to use the IMG I2C SCB controller, 746 available on the TZ1090 and other IMG SoCs. 747 748 This driver can also be built as a module. If so, the module 749 will be called i2c-img-scb. 750 751config I2C_IMX 752 tristate "IMX I2C interface" 753 depends on ARCH_MXC || ARCH_LAYERSCAPE || ARCH_S32 || COLDFIRE \ 754 || COMPILE_TEST 755 select I2C_SLAVE 756 help 757 Say Y here if you want to use the IIC bus controller on 758 the Freescale i.MX/MXC/S32G, Layerscape or ColdFire processors. 759 760 This driver can also be built as a module. If so, the module 761 will be called i2c-imx. 762 763config I2C_IMX_LPI2C 764 tristate "IMX Low Power I2C interface" 765 depends on ARCH_MXC || COMPILE_TEST 766 select I2C_SLAVE 767 help 768 Say Y here if you want to use the Low Power IIC bus controller 769 on the Freescale i.MX processors. 770 771 This driver can also be built as a module. If so, the module 772 will be called i2c-imx-lpi2c. 773 774config I2C_IOP3XX 775 tristate "Intel IXP4xx on-chip I2C interface" 776 depends on ARCH_IXP4XX || COMPILE_TEST 777 help 778 Say Y here if you want to use the IIC bus controller on 779 the Intel IXP4xx Network Processors. 780 781 This driver can also be built as a module. If so, the module 782 will be called i2c-iop3xx. 783 784config I2C_JZ4780 785 tristate "JZ4780 I2C controller interface support" 786 depends on MIPS || COMPILE_TEST 787 help 788 If you say yes to this option, support will be included for the 789 Ingenic JZ4780 I2C controller. 790 791 If you don't know what to do here, say N. 792 793config I2C_K1 794 tristate "SpacemiT K1 I2C adapter" 795 depends on ARCH_SPACEMIT || COMPILE_TEST 796 depends on OF 797 default ARCH_SPACEMIT 798 help 799 This option enables support for the I2C interface on the SpacemiT K1 800 platform. 801 802 If you enable this configuration, the kernel will include support for 803 the I2C adapter specific to the SpacemiT K1 platform. This driver can 804 be used to manage I2C bus transactions, which are necessary for 805 interfacing with I2C peripherals such as sensors, EEPROMs, and other 806 devices. 807 808 This driver can also be built as a module. If so, the 809 module will be called `i2c-k1`. 810 811config I2C_KEBA 812 tristate "KEBA I2C controller support" 813 depends on HAS_IOMEM 814 depends on KEBA_CP500 || COMPILE_TEST 815 select AUXILIARY_BUS 816 help 817 This driver supports the I2C controller found in KEBA system FPGA 818 devices. 819 820 This driver can also be built as a module. If so, the module 821 will be called i2c-keba. 822 823config I2C_KEMPLD 824 tristate "Kontron COM I2C Controller" 825 depends on MFD_KEMPLD 826 help 827 This enables support for the I2C bus interface on some Kontron ETX 828 and COMexpress (ETXexpress) modules. 829 830 This driver can also be built as a module. If so, the module 831 will be called i2c-kempld. 832 833config I2C_LPC2K 834 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 835 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 836 help 837 This driver supports the I2C interface found several NXP 838 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 839 840 This driver can also be built as a module. If so, the module 841 will be called i2c-lpc2k. 842 843config I2C_LS2X 844 tristate "Loongson LS2X I2C adapter" 845 depends on MACH_LOONGSON64 || COMPILE_TEST 846 help 847 If you say yes to this option, support will be included for the 848 I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge 849 chip. 850 851 This driver can also be built as a module. If so, the module 852 will be called i2c-ls2x. 853 854config I2C_LS2X_V2 855 tristate "Loongson-2 Fast Speed I2C adapter" 856 depends on LOONGARCH || COMPILE_TEST 857 select REGMAP_MMIO 858 help 859 If you say yes to this option, support will be included for the 860 I2C interface on the Loongson-2K0300 SoCs. 861 862 This driver can also be built as a module. If so, the module 863 will be called i2c-ls2x-v2. 864 865config I2C_MLXBF 866 tristate "Mellanox BlueField I2C controller" 867 depends on (MELLANOX_PLATFORM && ARM64) || COMPILE_TEST 868 depends on ACPI 869 select I2C_SLAVE 870 help 871 Enabling this option will add I2C SMBus support for Mellanox BlueField 872 system. 873 874 This driver can also be built as a module. If so, the module will be 875 called i2c-mlxbf. 876 877 This driver implements an I2C SMBus host controller and enables both 878 master and slave functions. 879 880config I2C_MESON 881 tristate "Amlogic Meson I2C controller" 882 depends on ARCH_MESON || COMPILE_TEST 883 depends on COMMON_CLK 884 help 885 If you say yes to this option, support will be included for the 886 I2C interface on the Amlogic Meson family of SoCs. 887 888config I2C_MICROCHIP_CORE 889 tristate "Microchip FPGA I2C controller" 890 depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST 891 depends on OF 892 help 893 If you say yes to this option, support will be included for the 894 I2C interface on Microchip FPGAs. 895 896 This driver can also be built as a module. If so, the module will be 897 called i2c-microchip-core. 898 899config I2C_MPC 900 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 901 depends on PPC 902 help 903 If you say yes to this option, support will be included for the 904 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 905 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 906 907 This driver can also be built as a module. If so, the module 908 will be called i2c-mpc. 909 910config I2C_MT65XX 911 tristate "MediaTek I2C adapter" 912 depends on ARCH_MEDIATEK || COMPILE_TEST 913 help 914 This selects the MediaTek(R) Integrated Inter Circuit bus driver 915 for MT65xx and MT81xx. 916 If you want to use MediaTek(R) I2C interface, say Y or M here. 917 If unsure, say N. 918 919config I2C_MT7621 920 tristate "MT7621/MT7628 I2C Controller" 921 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || ARCH_AIROHA || COMPILE_TEST 922 help 923 Say Y here to include support for I2C controller in the 924 MediaTek MT7621/MT7628 SoCs. 925 926config I2C_MV64XXX 927 tristate "Marvell mv64xxx I2C Controller" 928 depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST 929 help 930 If you say yes to this option, support will be included for the 931 built-in I2C interface on the Marvell 64xxx line of host bridges. 932 This driver is also used for Allwinner SoCs I2C controllers. 933 934 This driver can also be built as a module. If so, the module 935 will be called i2c-mv64xxx. 936 937config I2C_MXS 938 tristate "Freescale i.MX28 I2C interface" 939 depends on SOC_IMX28 || COMPILE_TEST 940 select STMP_DEVICE 941 help 942 Say Y here if you want to use the I2C bus controller on 943 the Freescale i.MX28 processors. 944 945 This driver can also be built as a module. If so, the module 946 will be called i2c-mxs. 947 948config I2C_NOMADIK 949 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 950 depends on ARM_AMBA || COMPILE_TEST 951 help 952 If you say yes to this option, support will be included for the 953 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 954 as well as the STA2X11 PCIe I/O HUB. 955 956config I2C_NPCM 957 tristate "Nuvoton I2C Controller" 958 depends on ARCH_NPCM || COMPILE_TEST 959 help 960 If you say yes to this option, support will be included for the 961 Nuvoton I2C controller, which is available on the NPCM BMC 962 controllers. 963 Driver can also support slave mode (select I2C_SLAVE). 964 965config I2C_OCORES 966 tristate "OpenCores I2C Controller" 967 help 968 If you say yes to this option, support will be included for the 969 OpenCores I2C controller. For details see 970 http://www.opencores.org/projects.cgi/web/i2c/overview 971 972 This driver can also be built as a module. If so, the module 973 will be called i2c-ocores. 974 975config I2C_OMAP 976 tristate "OMAP I2C adapter" 977 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST 978 default MACH_OMAP_OSK 979 select MULTIPLEXER 980 help 981 If you say yes to this option, support will be included for the 982 I2C interface on the Texas Instruments OMAP1/2 family of processors. 983 Like OMAP1510/1610/1710/5912 and OMAP242x. 984 For details see http://www.ti.com/omap. 985 986config I2C_OWL 987 tristate "Actions Semiconductor Owl I2C Controller" 988 depends on ARCH_ACTIONS || COMPILE_TEST 989 help 990 Say Y here if you want to use the I2C bus controller on 991 the Actions Semiconductor Owl SoC's. 992 993config I2C_PASEMI 994 tristate "PA Semi SMBus interface" 995 depends on PPC_PASEMI && PCI 996 help 997 Supports the PA Semi PWRficient on-chip SMBus interfaces. 998 999config I2C_APPLE 1000 tristate "Apple SMBus platform driver" 1001 depends on !I2C_PASEMI 1002 depends on ARCH_APPLE || COMPILE_TEST 1003 help 1004 Say Y here if you want to use the I2C controller present on Apple 1005 Silicon chips such as the M1. 1006 1007 This driver can also be built as a module. If so, the module 1008 will be called i2c-apple. 1009 1010config I2C_PCA_PLATFORM 1011 tristate "PCA9564/PCA9665 as platform device" 1012 select I2C_ALGOPCA 1013 help 1014 This driver supports a memory mapped Philips PCA9564/PCA9665 1015 parallel bus to I2C bus controller. 1016 1017 This driver can also be built as a module. If so, the module 1018 will be called i2c-pca-platform. 1019 1020config I2C_PNX 1021 tristate "I2C bus support for Philips PNX and NXP LPC targets" 1022 depends on ARCH_LPC32XX || COMPILE_TEST 1023 help 1024 This driver supports the Philips IP3204 I2C IP block master and/or 1025 slave controller 1026 1027 This driver can also be built as a module. If so, the module 1028 will be called i2c-pnx. 1029 1030config I2C_PXA 1031 tristate "Intel PXA2XX I2C adapter" 1032 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST 1033 help 1034 If you have devices in the PXA I2C bus, say yes to this option. 1035 This driver can also be built as a module. If so, the module 1036 will be called i2c-pxa. 1037 1038config I2C_PXA_PCI 1039 def_bool I2C_PXA && X86_32 && PCI && OF 1040 1041config I2C_PXA_SLAVE 1042 bool "Intel PXA2XX I2C Slave comms support" 1043 depends on I2C_PXA && !X86_32 1044 select I2C_SLAVE 1045 help 1046 Support I2C slave mode communications on the PXA I2C bus. This 1047 is necessary for systems where the PXA may be a target on the 1048 I2C bus. 1049 1050config I2C_QCOM_CCI 1051 tristate "Qualcomm Camera Control Interface" 1052 depends on ARCH_QCOM || COMPILE_TEST 1053 help 1054 If you say yes to this option, support will be included for the 1055 built-in camera control interface on the Qualcomm SoCs. 1056 1057 This driver can also be built as a module. If so, the module 1058 will be called i2c-qcom-cci. 1059 1060config I2C_QCOM_GENI 1061 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 1062 depends on ARCH_QCOM || COMPILE_TEST 1063 depends on QCOM_GENI_SE 1064 help 1065 This driver supports GENI serial engine based I2C controller in 1066 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 1067 yes to this option, support will be included for the built-in I2C 1068 interface on the Qualcomm Technologies Inc.'s SoCs. 1069 1070 This driver can also be built as a module. If so, the module 1071 will be called i2c-qcom-geni. 1072 1073config I2C_QUP 1074 tristate "Qualcomm QUP based I2C controller" 1075 depends on ARCH_QCOM || COMPILE_TEST 1076 help 1077 If you say yes to this option, support will be included for the 1078 built-in I2C interface on the Qualcomm SoCs. 1079 1080 This driver can also be built as a module. If so, the module 1081 will be called i2c-qup. 1082 1083config I2C_RIIC 1084 tristate "Renesas RIIC adapter" 1085 depends on ARCH_RENESAS || COMPILE_TEST 1086 help 1087 If you say yes to this option, support will be included for the 1088 Renesas RIIC I2C interface. 1089 1090 This driver can also be built as a module. If so, the module 1091 will be called i2c-riic. 1092 1093config I2C_RK3X 1094 tristate "Rockchip RK3xxx I2C adapter" 1095 depends on OF && COMMON_CLK 1096 help 1097 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 1098 SoCs. 1099 1100 This driver can also be built as a module. If so, the module will 1101 be called i2c-rk3x. 1102 1103config I2C_RTL9300 1104 tristate "Realtek RTL9300 I2C controller" 1105 depends on MACH_REALTEK_RTL || COMPILE_TEST 1106 help 1107 Say Y here to include support for the I2C controller in Realtek 1108 RTL9300 SoCs. 1109 1110 This driver can also be built as a module. If so, the module will 1111 be called i2c-rtl9300. 1112 1113config I2C_RZV2M 1114 tristate "Renesas RZ/V2M adapter" 1115 depends on ARCH_RENESAS || COMPILE_TEST 1116 help 1117 If you say yes to this option, support will be included for the 1118 Renesas RZ/V2M I2C interface. 1119 1120 This driver can also be built as a module. If so, the module 1121 will be called i2c-rzv2m. 1122 1123config I2C_S3C2410 1124 tristate "S3C/Exynos I2C Driver" 1125 depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 1126 help 1127 Say Y here to include support for I2C controller in the 1128 Samsung SoCs (S3C, S5Pv210, Exynos). 1129 1130config I2C_SH7760 1131 tristate "Renesas SH7760 I2C Controller" 1132 depends on CPU_SUBTYPE_SH7760 1133 help 1134 This driver supports the 2 I2C interfaces on the Renesas SH7760. 1135 1136 This driver can also be built as a module. If so, the module 1137 will be called i2c-sh7760. 1138 1139config I2C_SH_MOBILE 1140 tristate "SuperH Mobile I2C Controller" 1141 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 1142 help 1143 If you say yes to this option, support will be included for the 1144 built-in I2C interface on the Renesas SH-Mobile processor. 1145 1146 This driver can also be built as a module. If so, the module 1147 will be called i2c-sh_mobile. 1148 1149config I2C_SIMTEC 1150 tristate "Simtec Generic I2C interface" 1151 select I2C_ALGOBIT 1152 help 1153 If you say yes to this option, support will be included for 1154 the Simtec Generic I2C interface. This driver is for the 1155 simple I2C bus used on newer Simtec products for general 1156 I2C, such as DDC on the Simtec BBD2016A. 1157 1158 This driver can also be built as a module. If so, the module 1159 will be called i2c-simtec. 1160 1161config I2C_SPRD 1162 tristate "Spreadtrum I2C interface" 1163 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST) 1164 depends on COMMON_CLK 1165 help 1166 If you say yes to this option, support will be included for the 1167 Spreadtrum I2C interface. 1168 1169config I2C_ST 1170 tristate "STMicroelectronics SSC I2C support" 1171 depends on ARCH_STI || COMPILE_TEST 1172 help 1173 Enable this option to add support for STMicroelectronics SoCs 1174 hardware SSC (Synchronous Serial Controller) as an I2C controller. 1175 1176 This driver can also be built as module. If so, the module 1177 will be called i2c-st. 1178 1179config I2C_STM32F4 1180 tristate "STMicroelectronics STM32F4 I2C support" 1181 depends on ARCH_STM32 || COMPILE_TEST 1182 help 1183 Enable this option to add support for STM32 I2C controller embedded 1184 in STM32F4 SoCs. 1185 1186 This driver can also be built as module. If so, the module 1187 will be called i2c-stm32f4. 1188 1189config I2C_STM32F7 1190 tristate "STMicroelectronics STM32F7 I2C support" 1191 depends on ARCH_STM32 || COMPILE_TEST 1192 select I2C_SLAVE 1193 select I2C_SMBUS 1194 help 1195 Enable this option to add support for STM32 I2C controller embedded 1196 in STM32F7 SoCs. 1197 1198 This driver can also be built as module. If so, the module 1199 will be called i2c-stm32f7. 1200 1201config I2C_SUN6I_P2WI 1202 tristate "Allwinner sun6i internal P2WI controller" 1203 depends on RESET_CONTROLLER 1204 depends on MACH_SUN6I || COMPILE_TEST 1205 help 1206 If you say yes to this option, support will be included for the 1207 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1208 SOCs. 1209 The P2WI looks like an SMBus controller (which supports only byte 1210 accesses), except that it only supports one slave device. 1211 This interface is used to connect to specific PMIC devices (like the 1212 AXP221). 1213 1214config I2C_SYNQUACER 1215 tristate "Socionext SynQuacer I2C controller" 1216 depends on ARCH_SYNQUACER || COMPILE_TEST 1217 help 1218 Say Y here to include support for the I2C controller used in some 1219 Fujitsu and Socionext SoCs. 1220 1221 This driver can also be built as a module. If so, the module 1222 will be called i2c-synquacer. 1223 1224config I2C_TEGRA 1225 tristate "NVIDIA Tegra internal I2C controller" 1226 depends on ARCH_TEGRA || COMPILE_TEST 1227 depends on PINCTRL 1228 # ARCH_TEGRA implies PINCTRL, but the COMPILE_TEST side doesn't. 1229 help 1230 If you say yes to this option, support will be included for the 1231 I2C controller embedded in NVIDIA Tegra SOCs 1232 1233config I2C_TEGRA_BPMP 1234 tristate "NVIDIA Tegra BPMP I2C controller" 1235 depends on TEGRA_BPMP || COMPILE_TEST 1236 default y if TEGRA_BPMP 1237 help 1238 If you say yes to this option, support will be included for the I2C 1239 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1240 1241 This I2C driver is a 'virtual' I2C driver. The real driver is part 1242 of the BPMP firmware, and this driver merely communicates with that 1243 real driver. 1244 1245config I2C_UNIPHIER 1246 tristate "UniPhier FIFO-less I2C controller" 1247 depends on ARCH_UNIPHIER || COMPILE_TEST 1248 help 1249 If you say yes to this option, support will be included for 1250 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1251 or older UniPhier SoCs. 1252 1253config I2C_UNIPHIER_F 1254 tristate "UniPhier FIFO-builtin I2C controller" 1255 depends on ARCH_UNIPHIER || COMPILE_TEST 1256 help 1257 If you say yes to this option, support will be included for 1258 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1259 PH1-Pro5, or newer UniPhier SoCs. 1260 1261config I2C_VERSATILE 1262 tristate "ARM Versatile/Realview I2C bus support" 1263 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1264 select I2C_ALGOBIT 1265 help 1266 Say yes if you want to support the I2C serial bus on ARMs Versatile 1267 range of platforms. 1268 1269 This driver can also be built as a module. If so, the module 1270 will be called i2c-versatile. 1271 1272config I2C_WMT 1273 tristate "Wondermedia WM8xxx SoC I2C bus support" 1274 depends on ARCH_VT8500 || COMPILE_TEST 1275 help 1276 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1277 SoCs. 1278 1279 This driver can also be built as a module. If so, the module will be 1280 called i2c-wmt. 1281 1282config I2C_OCTEON 1283 tristate "Cavium OCTEON I2C bus support" 1284 depends on CAVIUM_OCTEON_SOC 1285 help 1286 Say yes if you want to support the I2C serial bus on Cavium 1287 OCTEON SOC. 1288 1289 This driver can also be built as a module. If so, the module 1290 will be called i2c-octeon. 1291 1292config I2C_THUNDERX 1293 tristate "Cavium ThunderX I2C bus support" 1294 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1295 select I2C_SMBUS 1296 help 1297 Say yes if you want to support the I2C serial bus on Cavium 1298 ThunderX SOC. 1299 1300 This driver can also be built as a module. If so, the module 1301 will be called i2c-thunderx. 1302 1303config I2C_XILINX 1304 tristate "Xilinx I2C Controller" 1305 depends on HAS_IOMEM 1306 help 1307 If you say yes to this option, support will be included for the 1308 Xilinx I2C controller. 1309 1310 This driver can also be built as a module. If so, the module 1311 will be called xilinx_i2c. 1312 1313config I2C_XLP9XX 1314 tristate "Cavium ThunderX2 I2C support" 1315 depends on ARCH_THUNDER2 || COMPILE_TEST 1316 help 1317 This driver enables support for the on-chip I2C interface of 1318 the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.) 1319 1320 This driver can also be built as a module. If so, the module will 1321 be called i2c-xlp9xx. 1322 1323config I2C_RCAR 1324 tristate "Renesas R-Car I2C Controller" 1325 depends on ARCH_RENESAS || COMPILE_TEST 1326 select I2C_SLAVE 1327 select I2C_SMBUS 1328 select RESET_CONTROLLER if ARCH_RCAR_GEN3 || ARCH_RCAR_GEN4 1329 help 1330 If you say yes to this option, support will be included for the 1331 R-Car I2C controller. 1332 1333 This driver can also be built as a module. If so, the module 1334 will be called i2c-rcar. 1335 1336comment "External I2C/SMBus adapter drivers" 1337 1338config I2C_DIOLAN_U2C 1339 tristate "Diolan U2C-12 USB adapter" 1340 depends on USB 1341 help 1342 If you say yes to this option, support will be included for Diolan 1343 U2C-12, a USB to I2C interface. 1344 1345 This driver can also be built as a module. If so, the module 1346 will be called i2c-diolan-u2c. 1347 1348config I2C_DLN2 1349 tristate "Diolan DLN-2 USB I2C adapter" 1350 depends on MFD_DLN2 1351 help 1352 If you say yes to this option, support will be included for Diolan 1353 DLN2, a USB to I2C interface. 1354 1355 This driver can also be built as a module. If so, the module 1356 will be called i2c-dln2. 1357 1358config I2C_LJCA 1359 tristate "I2C functionality of Intel La Jolla Cove Adapter" 1360 depends on USB_LJCA 1361 default USB_LJCA 1362 help 1363 If you say yes to this option, I2C functionality support of Intel 1364 La Jolla Cove Adapter (LJCA) will be included. 1365 1366 This driver can also be built as a module. If so, the module 1367 will be called i2c-ljca. 1368 1369config I2C_NCT6694 1370 tristate "Nuvoton NCT6694 I2C adapter support" 1371 depends on MFD_NCT6694 1372 help 1373 If you say yes to this option, support will be included for Nuvoton 1374 NCT6694, a USB to I2C interface. 1375 1376 This driver can also be built as a module. If so, the module will 1377 be called i2c-nct6694. 1378 1379config I2C_USBIO 1380 tristate "Intel USBIO I2C Adapter support" 1381 depends on USB_USBIO 1382 default USB_USBIO 1383 help 1384 Select this option to enable I2C driver for the INTEL 1385 USBIO driver stack. 1386 1387 This driver can also be built as a module. If so, the module 1388 will be called i2c_usbio. 1389 1390config I2C_CP2615 1391 tristate "Silicon Labs CP2615 USB sound card and I2C adapter" 1392 depends on USB 1393 help 1394 If you say yes to this option, support will be included for Silicon 1395 Labs CP2615's I2C interface. 1396 1397 This driver can also be built as a module. If so, the module 1398 will be called i2c-cp2615. 1399 1400config I2C_PARPORT 1401 tristate "Parallel port adapter" 1402 depends on PARPORT 1403 select I2C_ALGOBIT 1404 select I2C_SMBUS 1405 help 1406 This supports parallel port I2C adapters such as the ones made by 1407 Philips or Velleman, Analog Devices evaluation boards, and more. 1408 Basically any adapter using the parallel port as an I2C bus with 1409 no extra chipset is supported by this driver, or could be. Please 1410 read the file Documentation/i2c/busses/i2c-parport.rst for details. 1411 1412 This support is also available as a module. If so, the module 1413 will be called i2c-parport. 1414 1415config I2C_PCI1XXXX 1416 tristate "PCI1XXXX I2C Host Adapter" 1417 depends on PCI 1418 help 1419 If you say yes to this option, support will be included for 1420 Microchip PCI1XXXX's I2C interface. 1421 1422 This driver can also be built as a module. If so, the module will 1423 be called i2c-mchp-pci1xxxx. 1424 1425config I2C_ROBOTFUZZ_OSIF 1426 tristate "RobotFuzz Open Source InterFace USB adapter" 1427 depends on USB 1428 help 1429 If you say yes to this option, support will be included for the 1430 RobotFuzz Open Source InterFace USB to I2C interface. 1431 1432 This driver can also be built as a module. If so, the module 1433 will be called i2c-osif. 1434 1435config I2C_TAOS_EVM 1436 tristate "TAOS evaluation module" 1437 depends on TTY 1438 select SERIO 1439 select SERIO_SERPORT 1440 help 1441 This supports TAOS evaluation modules on serial port. In order to 1442 use this driver, you will need the inputattach tool, which is part 1443 of the input-utils package. 1444 1445 If unsure, say N. 1446 1447 This support is also available as a module. If so, the module 1448 will be called i2c-taos-evm. 1449 1450config I2C_TINY_USB 1451 tristate "Tiny-USB adapter" 1452 depends on USB 1453 help 1454 If you say yes to this option, support will be included for the 1455 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1456 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1457 1458 This driver can also be built as a module. If so, the module 1459 will be called i2c-tiny-usb. 1460 1461config I2C_VIPERBOARD 1462 tristate "Viperboard I2C master support" 1463 depends on MFD_VIPERBOARD && USB 1464 help 1465 Say yes here to access the I2C part of the Nano River 1466 Technologies Viperboard as I2C master. 1467 See viperboard API specification and Nano 1468 River Tech's viperboard.h for detailed meaning 1469 of the module parameters. 1470 1471comment "Other I2C/SMBus bus drivers" 1472 1473config I2C_ACORN 1474 tristate "Acorn IOC/IOMD I2C bus support" 1475 depends on ARCH_ACORN 1476 default y 1477 select I2C_ALGOBIT 1478 help 1479 Say yes if you want to support the I2C bus on Acorn platforms. 1480 1481 If you don't know, say Y. 1482 1483config I2C_ELEKTOR 1484 tristate "Elektor ISA card" 1485 depends on ISA && HAS_IOPORT_MAP 1486 select I2C_ALGOPCF 1487 help 1488 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1489 such an adapter. 1490 1491 This support is also available as a module. If so, the module 1492 will be called i2c-elektor. 1493 1494config I2C_ICY 1495 tristate "ICY Zorro card" 1496 depends on ZORRO 1497 select I2C_ALGOPCF 1498 help 1499 This supports the PCF8584 Zorro bus I2C adapter, known as ICY. 1500 Say Y if you own such an adapter. 1501 1502 This support is also available as a module. If so, the module 1503 will be called i2c-icy. 1504 1505 If you have a 2019 edition board with an LTC2990 sensor at address 1506 0x4c, loading the module 'ltc2990' is sufficient to enable it. 1507 1508config I2C_MLXCPLD 1509 tristate "Mellanox I2C driver" 1510 depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST 1511 depends on HAS_IOPORT 1512 help 1513 This exposes the Mellanox platform I2C busses to the linux I2C layer 1514 for X86 and ARM64/ACPI based systems. 1515 Controller is implemented as CPLD logic. 1516 1517 This driver can also be built as a module. If so, the module will be 1518 called as i2c-mlxcpld. 1519 1520config I2C_PCA_ISA 1521 tristate "PCA9564/PCA9665 on an ISA bus" 1522 depends on ISA 1523 select I2C_ALGOPCA 1524 help 1525 This driver supports ISA boards using the Philips PCA9564/PCA9665 1526 parallel bus to I2C bus controller. 1527 1528 This driver can also be built as a module. If so, the module 1529 will be called i2c-pca-isa. 1530 1531 This device is almost undetectable and using this driver on a 1532 system which doesn't have this device will result in long 1533 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1534 time). If unsure, say N. 1535 1536config I2C_SIBYTE 1537 tristate "SiByte SMBus interface" 1538 depends on SIBYTE_SB1xxx_SOC 1539 help 1540 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1541 1542config I2C_CROS_EC_TUNNEL 1543 tristate "ChromeOS EC tunnel I2C bus" 1544 depends on CROS_EC 1545 help 1546 If you say yes here you get an I2C bus that will tunnel i2c commands 1547 through to the other side of the ChromeOS EC to the i2c bus 1548 connected there. This will work whatever the interface used to 1549 talk to the EC (SPI, I2C or LPC). 1550 1551config I2C_XGENE_SLIMPRO 1552 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1553 depends on ARCH_XGENE && MAILBOX 1554 help 1555 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1556 co-processor. The I2C device access the I2C bus via the X-Gene 1557 to SLIMpro (On chip coprocessor) mailbox mechanism. 1558 If unsure, say N. 1559 1560config SCx200_ACB 1561 tristate "Geode ACCESS.bus support" 1562 depends on X86_32 && PCI && HAS_IOPORT 1563 help 1564 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1565 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1566 1567 If you don't know what to do here, say N. 1568 1569 This support is also available as a module. If so, the module 1570 will be called scx200_acb. 1571 1572config I2C_OPAL 1573 tristate "IBM OPAL I2C driver" 1574 depends on PPC_POWERNV 1575 default y 1576 help 1577 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1578 the driver is based on the OPAL interfaces. 1579 1580 This driver can also be built as a module. If so, the module will be 1581 called as i2c-opal. 1582 1583config I2C_FSI 1584 tristate "FSI I2C driver" 1585 depends on FSI 1586 help 1587 Driver for FSI bus attached I2C masters. These are I2C masters that 1588 are connected to the system over an FSI bus, instead of the more 1589 common PCI or MMIO interface. 1590 1591 This driver can also be built as a module. If so, the module will be 1592 called as i2c-fsi. 1593 1594config I2C_VIRTIO 1595 tristate "Virtio I2C Adapter" 1596 select VIRTIO 1597 help 1598 If you say yes to this option, support will be included for the virtio 1599 I2C adapter driver. The hardware can be emulated by any device model 1600 software according to the virtio protocol. 1601 1602 This driver can also be built as a module. If so, the module 1603 will be called i2c-virtio. 1604 1605endmenu 1606