1# SPDX-License-Identifier: GPL-2.0-only 2# 3# Sensor device configuration 4# 5 6menu "I2C Hardware Bus support" 7 depends on HAS_IOMEM 8 9comment "PC SMBus host controller drivers" 10 depends on PCI 11 12config I2C_CCGX_UCSI 13 tristate 14 help 15 A common module to provide an API to instantiate UCSI device 16 for Cypress CCGx Type-C controller. Individual bus drivers 17 need to select this one on demand. 18 19config I2C_ALI1535 20 tristate "ALI 1535" 21 depends on PCI 22 help 23 If you say yes to this option, support will be included for the SMB 24 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB 25 controller is part of the 7101 device, which is an ACPI-compliant 26 Power Management Unit (PMU). 27 28 This driver can also be built as a module. If so, the module 29 will be called i2c-ali1535. 30 31config I2C_ALI1563 32 tristate "ALI 1563" 33 depends on PCI 34 help 35 If you say yes to this option, support will be included for the SMB 36 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB 37 controller is part of the 7101 device, which is an ACPI-compliant 38 Power Management Unit (PMU). 39 40 This driver can also be built as a module. If so, the module 41 will be called i2c-ali1563. 42 43config I2C_ALI15X3 44 tristate "ALI 15x3" 45 depends on PCI 46 help 47 If you say yes to this option, support will be included for the 48 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces. 49 50 This driver can also be built as a module. If so, the module 51 will be called i2c-ali15x3. 52 53config I2C_AMD756 54 tristate "AMD 756/766/768/8111 and nVidia nForce" 55 depends on PCI 56 help 57 If you say yes to this option, support will be included for the AMD 58 756/766/768 mainboard I2C interfaces. The driver also includes 59 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and 60 the nVidia nForce I2C interface. 61 62 This driver can also be built as a module. If so, the module 63 will be called i2c-amd756. 64 65config I2C_AMD756_S4882 66 tristate "SMBus multiplexing on the Tyan S4882" 67 depends on I2C_AMD756 && X86 68 help 69 Enabling this option will add specific SMBus support for the Tyan 70 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed 71 over 8 different channels, where the various memory module EEPROMs 72 and temperature sensors live. Saying yes here will give you access 73 to these in addition to the trunk. 74 75 This driver can also be built as a module. If so, the module 76 will be called i2c-amd756-s4882. 77 78config I2C_AMD8111 79 tristate "AMD 8111" 80 depends on PCI 81 help 82 If you say yes to this option, support will be included for the 83 second (SMBus 2.0) AMD 8111 mainboard I2C interface. 84 85 This driver can also be built as a module. If so, the module 86 will be called i2c-amd8111. 87 88config I2C_AMD_MP2 89 tristate "AMD MP2 PCIe" 90 depends on PCI && ACPI 91 help 92 If you say yes to this option, support will be included for the AMD 93 MP2 PCIe I2C adapter. 94 95 This driver can also be built as modules. If so, the modules will 96 be called i2c-amd-mp2-pci and i2c-amd-mp2-plat. 97 98config I2C_HIX5HD2 99 tristate "Hix5hd2 high-speed I2C driver" 100 depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST 101 help 102 Say Y here to include support for the high-speed I2C controller 103 used in HiSilicon hix5hd2 SoCs. 104 105 This driver can also be built as a module. If so, the module 106 will be called i2c-hix5hd2. 107 108config I2C_I801 109 tristate "Intel 82801 (ICH/PCH)" 110 depends on PCI 111 select P2SB if X86 112 select CHECK_SIGNATURE if X86 && DMI 113 select I2C_SMBUS 114 help 115 If you say yes to this option, support will be included for the Intel 116 801 family of mainboard I2C interfaces. Specifically, the following 117 versions of the chipset are supported: 118 82801AA 119 82801AB 120 82801BA 121 82801CA/CAM 122 82801DB 123 82801EB/ER (ICH5/ICH5R) 124 6300ESB 125 ICH6 126 ICH7 127 ESB2 128 ICH8 129 ICH9 130 EP80579 (Tolapai) 131 ICH10 132 5/3400 Series (PCH) 133 6 Series (PCH) 134 Patsburg (PCH) 135 DH89xxCC (PCH) 136 Panther Point (PCH) 137 Lynx Point (PCH) 138 Avoton (SOC) 139 Wellsburg (PCH) 140 Coleto Creek (PCH) 141 Wildcat Point (PCH) 142 BayTrail (SOC) 143 Braswell (SOC) 144 Sunrise Point (PCH) 145 Kaby Lake (PCH) 146 DNV (SOC) 147 Broxton (SOC) 148 Lewisburg (PCH) 149 Gemini Lake (SOC) 150 Cannon Lake (PCH) 151 Cedar Fork (PCH) 152 Ice Lake (PCH) 153 Comet Lake (PCH) 154 Elkhart Lake (PCH) 155 Tiger Lake (PCH) 156 Jasper Lake (SOC) 157 Emmitsburg (PCH) 158 Alder Lake (PCH) 159 Raptor Lake (PCH) 160 Meteor Lake (SOC and PCH) 161 Birch Stream (SOC) 162 Arrow Lake (SOC) 163 Panther Lake (SOC) 164 165 This driver can also be built as a module. If so, the module 166 will be called i2c-i801. 167 168config I2C_ISCH 169 tristate "Intel SCH SMBus 1.0" 170 depends on PCI 171 select LPC_SCH 172 help 173 Say Y here if you want to use SMBus controller on the Intel SCH 174 based systems. 175 176 This driver can also be built as a module. If so, the module 177 will be called i2c-isch. 178 179config I2C_ISMT 180 tristate "Intel iSMT SMBus Controller" 181 depends on PCI && X86 182 help 183 If you say yes to this option, support will be included for the Intel 184 iSMT SMBus host controller interface. 185 186 This driver can also be built as a module. If so, the module will be 187 called i2c-ismt. 188 189config I2C_PIIX4 190 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 191 depends on PCI 192 help 193 If you say yes to this option, support will be included for the Intel 194 PIIX4 family of mainboard I2C interfaces. Specifically, the following 195 versions of the chipset are supported (note that Serverworks is part 196 of Broadcom): 197 Intel PIIX4 198 Intel 440MX 199 ATI IXP200 200 ATI IXP300 201 ATI IXP400 202 ATI SB600 203 ATI SB700/SP5100 204 ATI SB800 205 AMD Hudson-2 206 AMD ML 207 AMD CZ 208 Hygon CZ 209 Serverworks OSB4 210 Serverworks CSB5 211 Serverworks CSB6 212 Serverworks HT-1000 213 Serverworks HT-1100 214 SMSC Victory66 215 216 Some AMD chipsets contain two PIIX4-compatible SMBus 217 controllers. This driver will attempt to use both controllers 218 on the SB700/SP5100, if they have been initialized by the BIOS. 219 220 This driver can also be built as a module. If so, the module 221 will be called i2c-piix4. 222 223config I2C_CHT_WC 224 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 225 depends on INTEL_SOC_PMIC_CHTWC 226 help 227 If you say yes to this option, support will be included for the 228 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 229 found on some Intel Cherry Trail systems. 230 231 Note this controller is hooked up to a TI bq24292i charger-IC, 232 combined with a FUSB302 Type-C port-controller as such it is advised 233 to also select CONFIG_TYPEC_FUSB302=m. 234 235config I2C_NFORCE2 236 tristate "Nvidia nForce2, nForce3 and nForce4" 237 depends on PCI 238 help 239 If you say yes to this option, support will be included for the Nvidia 240 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 241 242 This driver can also be built as a module. If so, the module 243 will be called i2c-nforce2. 244 245config I2C_NFORCE2_S4985 246 tristate "SMBus multiplexing on the Tyan S4985" 247 depends on I2C_NFORCE2 && X86 248 help 249 Enabling this option will add specific SMBus support for the Tyan 250 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed 251 over 4 different channels, where the various memory module EEPROMs 252 live. Saying yes here will give you access to these in addition 253 to the trunk. 254 255 This driver can also be built as a module. If so, the module 256 will be called i2c-nforce2-s4985. 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 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 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 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 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 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 341comment "ACPI drivers" 342 343config I2C_SCMI 344 tristate "SMBus Control Method Interface" 345 help 346 This driver supports the SMBus Control Method Interface. It needs the 347 BIOS to declare ACPI control methods as described in the SMBus Control 348 Method Interface specification. 349 350 To compile this driver as a module, choose M here: 351 the module will be called i2c-scmi. 352 353endif # ACPI 354 355comment "Mac SMBus host controller drivers" 356 depends on PPC_CHRP || PPC_PMAC 357 358config I2C_HYDRA 359 tristate "CHRP Apple Hydra Mac I/O I2C interface" 360 depends on PCI && PPC_CHRP 361 select I2C_ALGOBIT 362 help 363 This supports the use of the I2C interface in the Apple Hydra Mac 364 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 365 have such a machine. 366 367 This support is also available as a module. If so, the module 368 will be called i2c-hydra. 369 370config I2C_POWERMAC 371 tristate "Powermac I2C interface" 372 depends on PPC_PMAC 373 default y 374 help 375 This exposes the various PowerMac i2c interfaces to the linux i2c 376 layer and to userland. It is used by various drivers on the PowerMac 377 platform, and should generally be enabled. 378 379 This support is also available as a module. If so, the module 380 will be called i2c-powermac. 381 382comment "I2C system bus drivers (mostly embedded / system-on-chip)" 383 384config I2C_ALTERA 385 tristate "Altera Soft IP I2C" 386 depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST 387 depends on OF 388 help 389 If you say yes to this option, support will be included for the 390 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 391 392 This driver can also be built as a module. If so, the module 393 will be called i2c-altera. 394 395config I2C_ASPEED 396 tristate "Aspeed I2C Controller" 397 depends on ARCH_ASPEED || COMPILE_TEST 398 help 399 If you say yes to this option, support will be included for the 400 Aspeed I2C controller. 401 402 This driver can also be built as a module. If so, the module 403 will be called i2c-aspeed. 404 405config I2C_AT91 406 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 407 depends on ARCH_AT91 || COMPILE_TEST 408 help 409 This supports the use of the I2C interface on Atmel AT91 410 processors. 411 412 A serious problem is that there is no documented way to issue 413 repeated START conditions for more than two messages, as needed 414 to support combined I2C messages. Use the i2c-gpio driver 415 unless your system can cope with this limitation. 416 417 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 418 don't have clock stretching in transmission mode. For that reason, 419 you can encounter underrun issues causing premature stop sendings if 420 the latency to fill the transmission register is too long. If you 421 are facing this situation, use the i2c-gpio driver. 422 423config I2C_AT91_SLAVE_EXPERIMENTAL 424 tristate "Microchip AT91 I2C experimental slave mode" 425 depends on I2C_AT91 426 select I2C_SLAVE 427 help 428 If you say yes to this option, support for the slave mode will be 429 added. Caution: do not use it for production. This feature has not 430 been tested in a heavy way, help wanted. 431 There are known bugs: 432 - It can hang, on a SAMA5D4, after several transfers. 433 - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as 434 master. 435 436config I2C_AU1550 437 tristate "Au1550/Au1200/Au1300 SMBus interface" 438 depends on MIPS_ALCHEMY 439 help 440 If you say yes to this option, support will be included for the 441 Au1550/Au1200/Au1300 SMBus interface. 442 443 This driver can also be built as a module. If so, the module 444 will be called i2c-au1550. 445 446config I2C_AXXIA 447 tristate "Axxia I2C controller" 448 depends on ARCH_AXXIA || COMPILE_TEST 449 default ARCH_AXXIA 450 select I2C_SLAVE 451 help 452 Say yes if you want to support the I2C bus on Axxia platforms. 453 454 Please note that this controller is limited to transfers of maximum 455 255 bytes in length. Any attempt to to a larger transfer will return 456 an error. 457 458config I2C_BCM2835 459 tristate "Broadcom BCM2835 I2C controller" 460 depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST 461 depends on COMMON_CLK 462 help 463 If you say yes to this option, support will be included for the 464 BCM2835 I2C controller. 465 466 If you don't know what to do here, say N. 467 468 This support is also available as a module. If so, the module 469 will be called i2c-bcm2835. 470 471config I2C_BCM_IPROC 472 tristate "Broadcom iProc I2C controller" 473 depends on ARCH_BCM_IPROC || COMPILE_TEST 474 default ARCH_BCM_IPROC 475 select I2C_SLAVE 476 help 477 If you say yes to this option, support will be included for the 478 Broadcom iProc I2C controller. 479 480 If you don't know what to do here, say N. 481 482config I2C_BCM_KONA 483 tristate "BCM Kona I2C adapter" 484 depends on ARCH_BCM_MOBILE || COMPILE_TEST 485 default y if ARCH_BCM_MOBILE 486 help 487 If you say yes to this option, support will be included for the 488 I2C interface on the Broadcom Kona family of processors. 489 490 If you do not need KONA I2C interface, say N. 491 492config I2C_BRCMSTB 493 tristate "BRCM Settop/DSL I2C controller" 494 depends on ARCH_BCM2835 || ARCH_BCMBCA || ARCH_BRCMSTB || \ 495 BMIPS_GENERIC || COMPILE_TEST 496 default y 497 help 498 If you say yes to this option, support will be included for the 499 I2C interface on the Broadcom Settop/DSL SoCs. 500 501 If you do not need I2C interface, say N. 502 503config I2C_CADENCE 504 tristate "Cadence I2C Controller" 505 depends on ARCH_ZYNQ || ARM64 || XTENSA || COMPILE_TEST 506 help 507 Say yes here to select Cadence I2C Host Controller. This controller is 508 e.g. used by Xilinx Zynq. 509 510config I2C_CBUS_GPIO 511 tristate "CBUS I2C driver" 512 depends on GPIOLIB || COMPILE_TEST 513 help 514 Support for CBUS access using I2C API. Mostly relevant for Nokia 515 Internet Tablets (770, N800 and N810). 516 517 This driver can also be built as a module. If so, the module 518 will be called i2c-cbus-gpio. 519 520config I2C_CPM 521 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 522 depends on CPM1 || CPM2 523 help 524 This supports the use of the I2C interface on Freescale 525 processors with CPM1 or CPM2. 526 527 This driver can also be built as a module. If so, the module 528 will be called i2c-cpm. 529 530config I2C_DAVINCI 531 tristate "DaVinci I2C driver" 532 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 533 help 534 Support for TI DaVinci I2C controller driver. 535 536 This driver can also be built as a module. If so, the module 537 will be called i2c-davinci. 538 539 Please note that this driver might be needed to bring up other 540 devices such as DaVinci NIC. 541 For details please see http://www.ti.com/davinci 542 543config I2C_DESIGNWARE_CORE 544 tristate 545 select REGMAP 546 547config I2C_DESIGNWARE_SLAVE 548 bool "Synopsys DesignWare Slave" 549 depends on I2C_DESIGNWARE_CORE 550 select I2C_SLAVE 551 help 552 If you say yes to this option, support will be included for the 553 Synopsys DesignWare I2C slave adapter. 554 555 This is not a standalone module, this module compiles together with 556 i2c-designware-core. 557 558config I2C_DESIGNWARE_PLATFORM 559 tristate "Synopsys DesignWare Platform" 560 depends on (ACPI && COMMON_CLK) || !ACPI 561 select I2C_DESIGNWARE_CORE 562 select MFD_SYSCON if MIPS_BAIKAL_T1 563 help 564 If you say yes to this option, support will be included for the 565 Synopsys DesignWare I2C adapter. 566 567 This driver can also be built as a module. If so, the module 568 will be called i2c-designware-platform. 569 570config I2C_DESIGNWARE_AMDPSP 571 bool "AMD PSP I2C semaphore support" 572 depends on ACPI 573 depends on CRYPTO_DEV_SP_PSP 574 depends on PCI 575 depends on I2C_DESIGNWARE_PLATFORM 576 depends on (I2C_DESIGNWARE_PLATFORM=y && CRYPTO_DEV_CCP_DD=y) || \ 577 (I2C_DESIGNWARE_PLATFORM=m && CRYPTO_DEV_CCP_DD) 578 help 579 This driver enables managed host access to the selected I2C bus shared 580 between AMD CPU and AMD PSP. 581 582 You should say Y if running on an AMD system equipped with the PSP. 583 584config I2C_DESIGNWARE_BAYTRAIL 585 bool "Intel Baytrail I2C semaphore support" 586 depends on ACPI 587 depends on I2C_DESIGNWARE_PLATFORM 588 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 589 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 590 help 591 This driver enables managed host access to the PMIC I2C bus on select 592 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 593 the host to request uninterrupted access to the PMIC's I2C bus from 594 the platform firmware controlling it. You should say Y if running on 595 a BayTrail system using the AXP288. 596 597config I2C_DESIGNWARE_PCI 598 tristate "Synopsys DesignWare PCI" 599 depends on PCI 600 select I2C_DESIGNWARE_CORE 601 select I2C_CCGX_UCSI 602 help 603 If you say yes to this option, support will be included for the 604 Synopsys DesignWare I2C adapter. Only master mode is supported. 605 606 This driver can also be built as a module. If so, the module 607 will be called i2c-designware-pci. 608 609config I2C_DIGICOLOR 610 tristate "Conexant Digicolor I2C driver" 611 depends on ARCH_DIGICOLOR || COMPILE_TEST 612 help 613 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 614 615 This driver can also be built as a module. If so, the module 616 will be called i2c-digicolor. 617 618config I2C_EG20T 619 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 620 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 621 help 622 This driver is for PCH(Platform controller Hub) I2C of EG20T which 623 is an IOH(Input/Output Hub) for x86 embedded processor. 624 This driver can access PCH I2C bus device. 625 626 This driver also can be used for LAPIS Semiconductor IOH(Input/ 627 Output Hub), ML7213, ML7223 and ML7831. 628 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 629 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 630 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 631 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 632 633config I2C_EMEV2 634 tristate "EMMA Mobile series I2C adapter" 635 depends on HAVE_CLK 636 select I2C_SLAVE 637 help 638 If you say yes to this option, support will be included for the 639 I2C interface on the Renesas Electronics EM/EV family of processors. 640 641config I2C_EXYNOS5 642 tristate "Exynos high-speed I2C driver" 643 depends on OF 644 depends on ARCH_EXYNOS || COMPILE_TEST 645 default y if ARCH_EXYNOS 646 help 647 High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs: 648 Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800, 649 Exynos5433, Exynos7, Exynos850 and ExynosAutoV9. 650 Choose Y here only if you build for such Samsung SoC. 651 652config I2C_GPIO 653 tristate "GPIO-based bitbanging I2C" 654 depends on GPIOLIB || COMPILE_TEST 655 select I2C_ALGOBIT 656 help 657 This is a very simple bitbanging I2C driver utilizing the 658 arch-neutral GPIO API to control the SCL and SDA lines. 659 660config I2C_GPIO_FAULT_INJECTOR 661 bool "GPIO-based fault injector" 662 depends on I2C_GPIO 663 help 664 This adds some functionality to the i2c-gpio driver which can inject 665 faults to an I2C bus, so another bus master can be stress-tested. 666 This is for debugging. If unsure, say 'no'. 667 668config I2C_GXP 669 tristate "GXP I2C Interface" 670 depends on ARCH_HPE_GXP || COMPILE_TEST 671 help 672 This enables support for GXP I2C interface. The I2C engines can be 673 either I2C master or I2C slaves. 674 675config I2C_HIGHLANDER 676 tristate "Highlander FPGA SMBus interface" 677 depends on SH_HIGHLANDER || COMPILE_TEST 678 help 679 If you say yes to this option, support will be included for 680 the SMBus interface located in the FPGA on various Highlander 681 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 682 FPGAs. This is wholly unrelated to the SoC I2C. 683 684 This driver can also be built as a module. If so, the module 685 will be called i2c-highlander. 686 687config I2C_HISI 688 tristate "HiSilicon I2C controller" 689 depends on ARM64 || COMPILE_TEST 690 help 691 Say Y here if you want to have Hisilicon I2C controller support 692 available on the Kunpeng Server. 693 694 This driver can also be built as a module. If so, the module 695 will be called i2c-hisi. 696 697config I2C_IBM_IIC 698 tristate "IBM PPC 4xx on-chip I2C interface" 699 depends on 4xx 700 help 701 Say Y here if you want to use IIC peripheral found on 702 embedded IBM PPC 4xx based systems. 703 704 This driver can also be built as a module. If so, the module 705 will be called i2c-ibm_iic. 706 707config I2C_IMG 708 tristate "Imagination Technologies I2C SCB Controller" 709 depends on MIPS || COMPILE_TEST 710 help 711 Say Y here if you want to use the IMG I2C SCB controller, 712 available on the TZ1090 and other IMG SoCs. 713 714 This driver can also be built as a module. If so, the module 715 will be called i2c-img-scb. 716 717config I2C_IMX 718 tristate "IMX I2C interface" 719 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE || COMPILE_TEST 720 select I2C_SLAVE 721 help 722 Say Y here if you want to use the IIC bus controller on 723 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 724 725 This driver can also be built as a module. If so, the module 726 will be called i2c-imx. 727 728config I2C_IMX_LPI2C 729 tristate "IMX Low Power I2C interface" 730 depends on ARCH_MXC || COMPILE_TEST 731 help 732 Say Y here if you want to use the Low Power IIC bus controller 733 on the Freescale i.MX processors. 734 735 This driver can also be built as a module. If so, the module 736 will be called i2c-imx-lpi2c. 737 738config I2C_IOP3XX 739 tristate "Intel IXP4xx on-chip I2C interface" 740 depends on ARCH_IXP4XX || COMPILE_TEST 741 help 742 Say Y here if you want to use the IIC bus controller on 743 the Intel IXP4xx Network Processors. 744 745 This driver can also be built as a module. If so, the module 746 will be called i2c-iop3xx. 747 748config I2C_JZ4780 749 tristate "JZ4780 I2C controller interface support" 750 depends on MIPS || COMPILE_TEST 751 help 752 If you say yes to this option, support will be included for the 753 Ingenic JZ4780 I2C controller. 754 755 If you don't know what to do here, say N. 756 757config I2C_KEMPLD 758 tristate "Kontron COM I2C Controller" 759 depends on MFD_KEMPLD 760 help 761 This enables support for the I2C bus interface on some Kontron ETX 762 and COMexpress (ETXexpress) modules. 763 764 This driver can also be built as a module. If so, the module 765 will be called i2c-kempld. 766 767config I2C_LPC2K 768 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 769 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 770 help 771 This driver supports the I2C interface found several NXP 772 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 773 774 This driver can also be built as a module. If so, the module 775 will be called i2c-lpc2k. 776 777config I2C_LS2X 778 tristate "Loongson LS2X I2C adapter" 779 depends on MACH_LOONGSON64 || COMPILE_TEST 780 help 781 If you say yes to this option, support will be included for the 782 I2C interface on the Loongson-2K SoCs and Loongson LS7A bridge 783 chip. 784 785 This driver can also be built as a module. If so, the module 786 will be called i2c-ls2x. 787 788config I2C_MLXBF 789 tristate "Mellanox BlueField I2C controller" 790 depends on MELLANOX_PLATFORM && ARM64 791 depends on ACPI 792 select I2C_SLAVE 793 help 794 Enabling this option will add I2C SMBus support for Mellanox BlueField 795 system. 796 797 This driver can also be built as a module. If so, the module will be 798 called i2c-mlxbf. 799 800 This driver implements an I2C SMBus host controller and enables both 801 master and slave functions. 802 803config I2C_MESON 804 tristate "Amlogic Meson I2C controller" 805 depends on ARCH_MESON || COMPILE_TEST 806 depends on COMMON_CLK 807 help 808 If you say yes to this option, support will be included for the 809 I2C interface on the Amlogic Meson family of SoCs. 810 811config I2C_MICROCHIP_CORE 812 tristate "Microchip FPGA I2C controller" 813 depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST 814 depends on OF 815 help 816 If you say yes to this option, support will be included for the 817 I2C interface on Microchip FPGAs. 818 819 This driver can also be built as a module. If so, the module will be 820 called i2c-microchip-core. 821 822config I2C_MPC 823 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 824 depends on PPC 825 help 826 If you say yes to this option, support will be included for the 827 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 828 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 829 830 This driver can also be built as a module. If so, the module 831 will be called i2c-mpc. 832 833config I2C_MT65XX 834 tristate "MediaTek I2C adapter" 835 depends on ARCH_MEDIATEK || COMPILE_TEST 836 help 837 This selects the MediaTek(R) Integrated Inter Circuit bus driver 838 for MT65xx and MT81xx. 839 If you want to use MediaTek(R) I2C interface, say Y or M here. 840 If unsure, say N. 841 842config I2C_MT7621 843 tristate "MT7621/MT7628 I2C Controller" 844 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST 845 help 846 Say Y here to include support for I2C controller in the 847 MediaTek MT7621/MT7628 SoCs. 848 849config I2C_MV64XXX 850 tristate "Marvell mv64xxx I2C Controller" 851 depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST 852 help 853 If you say yes to this option, support will be included for the 854 built-in I2C interface on the Marvell 64xxx line of host bridges. 855 This driver is also used for Allwinner SoCs I2C controllers. 856 857 This driver can also be built as a module. If so, the module 858 will be called i2c-mv64xxx. 859 860config I2C_MXS 861 tristate "Freescale i.MX28 I2C interface" 862 depends on SOC_IMX28 || COMPILE_TEST 863 select STMP_DEVICE 864 help 865 Say Y here if you want to use the I2C bus controller on 866 the Freescale i.MX28 processors. 867 868 This driver can also be built as a module. If so, the module 869 will be called i2c-mxs. 870 871config I2C_NOMADIK 872 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 873 depends on ARM_AMBA 874 help 875 If you say yes to this option, support will be included for the 876 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 877 as well as the STA2X11 PCIe I/O HUB. 878 879config I2C_NPCM 880 tristate "Nuvoton I2C Controller" 881 depends on ARCH_NPCM || COMPILE_TEST 882 help 883 If you say yes to this option, support will be included for the 884 Nuvoton I2C controller, which is available on the NPCM BMC 885 controllers. 886 Driver can also support slave mode (select I2C_SLAVE). 887 888config I2C_OCORES 889 tristate "OpenCores I2C Controller" 890 help 891 If you say yes to this option, support will be included for the 892 OpenCores I2C controller. For details see 893 http://www.opencores.org/projects.cgi/web/i2c/overview 894 895 This driver can also be built as a module. If so, the module 896 will be called i2c-ocores. 897 898config I2C_OMAP 899 tristate "OMAP I2C adapter" 900 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST 901 default MACH_OMAP_OSK 902 help 903 If you say yes to this option, support will be included for the 904 I2C interface on the Texas Instruments OMAP1/2 family of processors. 905 Like OMAP1510/1610/1710/5912 and OMAP242x. 906 For details see http://www.ti.com/omap. 907 908config I2C_OWL 909 tristate "Actions Semiconductor Owl I2C Controller" 910 depends on ARCH_ACTIONS || COMPILE_TEST 911 help 912 Say Y here if you want to use the I2C bus controller on 913 the Actions Semiconductor Owl SoC's. 914 915config I2C_PASEMI 916 tristate "PA Semi SMBus interface" 917 depends on PPC_PASEMI && PCI 918 help 919 Supports the PA Semi PWRficient on-chip SMBus interfaces. 920 921config I2C_APPLE 922 tristate "Apple SMBus platform driver" 923 depends on !I2C_PASEMI 924 depends on ARCH_APPLE || COMPILE_TEST 925 default ARCH_APPLE 926 help 927 Say Y here if you want to use the I2C controller present on Apple 928 Silicon chips such as the M1. 929 930 This driver can also be built as a module. If so, the module 931 will be called i2c-apple. 932 933config I2C_PCA_PLATFORM 934 tristate "PCA9564/PCA9665 as platform device" 935 select I2C_ALGOPCA 936 help 937 This driver supports a memory mapped Philips PCA9564/PCA9665 938 parallel bus to I2C bus controller. 939 940 This driver can also be built as a module. If so, the module 941 will be called i2c-pca-platform. 942 943config I2C_PNX 944 tristate "I2C bus support for Philips PNX and NXP LPC targets" 945 depends on ARCH_LPC32XX || COMPILE_TEST 946 help 947 This driver supports the Philips IP3204 I2C IP block master and/or 948 slave controller 949 950 This driver can also be built as a module. If so, the module 951 will be called i2c-pnx. 952 953config I2C_PXA 954 tristate "Intel PXA2XX I2C adapter" 955 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST 956 help 957 If you have devices in the PXA I2C bus, say yes to this option. 958 This driver can also be built as a module. If so, the module 959 will be called i2c-pxa. 960 961config I2C_PXA_PCI 962 def_bool I2C_PXA && X86_32 && PCI && OF 963 964config I2C_PXA_SLAVE 965 bool "Intel PXA2XX I2C Slave comms support" 966 depends on I2C_PXA && !X86_32 967 select I2C_SLAVE 968 help 969 Support I2C slave mode communications on the PXA I2C bus. This 970 is necessary for systems where the PXA may be a target on the 971 I2C bus. 972 973config I2C_QCOM_CCI 974 tristate "Qualcomm Camera Control Interface" 975 depends on ARCH_QCOM || COMPILE_TEST 976 help 977 If you say yes to this option, support will be included for the 978 built-in camera control interface on the Qualcomm SoCs. 979 980 This driver can also be built as a module. If so, the module 981 will be called i2c-qcom-cci. 982 983config I2C_QCOM_GENI 984 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 985 depends on ARCH_QCOM || COMPILE_TEST 986 depends on QCOM_GENI_SE 987 help 988 This driver supports GENI serial engine based I2C controller in 989 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 990 yes to this option, support will be included for the built-in I2C 991 interface on the Qualcomm Technologies Inc.'s SoCs. 992 993 This driver can also be built as a module. If so, the module 994 will be called i2c-qcom-geni. 995 996config I2C_QUP 997 tristate "Qualcomm QUP based I2C controller" 998 depends on ARCH_QCOM || COMPILE_TEST 999 help 1000 If you say yes to this option, support will be included for the 1001 built-in I2C interface on the Qualcomm SoCs. 1002 1003 This driver can also be built as a module. If so, the module 1004 will be called i2c-qup. 1005 1006config I2C_RIIC 1007 tristate "Renesas RIIC adapter" 1008 depends on ARCH_RENESAS || COMPILE_TEST 1009 help 1010 If you say yes to this option, support will be included for the 1011 Renesas RIIC I2C interface. 1012 1013 This driver can also be built as a module. If so, the module 1014 will be called i2c-riic. 1015 1016config I2C_RK3X 1017 tristate "Rockchip RK3xxx I2C adapter" 1018 depends on OF && COMMON_CLK 1019 help 1020 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 1021 SoCs. 1022 1023 This driver can also be built as a module. If so, the module will 1024 be called i2c-rk3x. 1025 1026config I2C_RZV2M 1027 tristate "Renesas RZ/V2M adapter" 1028 depends on ARCH_RENESAS || COMPILE_TEST 1029 help 1030 If you say yes to this option, support will be included for the 1031 Renesas RZ/V2M I2C interface. 1032 1033 This driver can also be built as a module. If so, the module 1034 will be called i2c-rzv2m. 1035 1036config I2C_S3C2410 1037 tristate "S3C/Exynos I2C Driver" 1038 depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 1039 help 1040 Say Y here to include support for I2C controller in the 1041 Samsung SoCs (S3C, S5Pv210, Exynos). 1042 1043config I2C_SH7760 1044 tristate "Renesas SH7760 I2C Controller" 1045 depends on CPU_SUBTYPE_SH7760 1046 help 1047 This driver supports the 2 I2C interfaces on the Renesas SH7760. 1048 1049 This driver can also be built as a module. If so, the module 1050 will be called i2c-sh7760. 1051 1052config I2C_SH_MOBILE 1053 tristate "SuperH Mobile I2C Controller" 1054 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 1055 help 1056 If you say yes to this option, support will be included for the 1057 built-in I2C interface on the Renesas SH-Mobile processor. 1058 1059 This driver can also be built as a module. If so, the module 1060 will be called i2c-sh_mobile. 1061 1062config I2C_SIMTEC 1063 tristate "Simtec Generic I2C interface" 1064 select I2C_ALGOBIT 1065 help 1066 If you say yes to this option, support will be included for 1067 the Simtec Generic I2C interface. This driver is for the 1068 simple I2C bus used on newer Simtec products for general 1069 I2C, such as DDC on the Simtec BBD2016A. 1070 1071 This driver can also be built as a module. If so, the module 1072 will be called i2c-simtec. 1073 1074config I2C_SPRD 1075 tristate "Spreadtrum I2C interface" 1076 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST) 1077 depends on COMMON_CLK 1078 help 1079 If you say yes to this option, support will be included for the 1080 Spreadtrum I2C interface. 1081 1082config I2C_ST 1083 tristate "STMicroelectronics SSC I2C support" 1084 depends on ARCH_STI || COMPILE_TEST 1085 help 1086 Enable this option to add support for STMicroelectronics SoCs 1087 hardware SSC (Synchronous Serial Controller) as an I2C controller. 1088 1089 This driver can also be built as module. If so, the module 1090 will be called i2c-st. 1091 1092config I2C_STM32F4 1093 tristate "STMicroelectronics STM32F4 I2C support" 1094 depends on ARCH_STM32 || COMPILE_TEST 1095 help 1096 Enable this option to add support for STM32 I2C controller embedded 1097 in STM32F4 SoCs. 1098 1099 This driver can also be built as module. If so, the module 1100 will be called i2c-stm32f4. 1101 1102config I2C_STM32F7 1103 tristate "STMicroelectronics STM32F7 I2C support" 1104 depends on ARCH_STM32 || COMPILE_TEST 1105 select I2C_SLAVE 1106 select I2C_SMBUS 1107 help 1108 Enable this option to add support for STM32 I2C controller embedded 1109 in STM32F7 SoCs. 1110 1111 This driver can also be built as module. If so, the module 1112 will be called i2c-stm32f7. 1113 1114config I2C_SUN6I_P2WI 1115 tristate "Allwinner sun6i internal P2WI controller" 1116 depends on RESET_CONTROLLER 1117 depends on MACH_SUN6I || COMPILE_TEST 1118 help 1119 If you say yes to this option, support will be included for the 1120 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1121 SOCs. 1122 The P2WI looks like an SMBus controller (which supports only byte 1123 accesses), except that it only supports one slave device. 1124 This interface is used to connect to specific PMIC devices (like the 1125 AXP221). 1126 1127config I2C_SYNQUACER 1128 tristate "Socionext SynQuacer I2C controller" 1129 depends on ARCH_SYNQUACER || COMPILE_TEST 1130 help 1131 Say Y here to include support for the I2C controller used in some 1132 Fujitsu and Socionext SoCs. 1133 1134 This driver can also be built as a module. If so, the module 1135 will be called i2c-synquacer. 1136 1137config I2C_TEGRA 1138 tristate "NVIDIA Tegra internal I2C controller" 1139 depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC)) 1140 # COMPILE_TEST needs architectures with readsX()/writesX() primitives 1141 help 1142 If you say yes to this option, support will be included for the 1143 I2C controller embedded in NVIDIA Tegra SOCs 1144 1145config I2C_TEGRA_BPMP 1146 tristate "NVIDIA Tegra BPMP I2C controller" 1147 depends on TEGRA_BPMP || COMPILE_TEST 1148 default y if TEGRA_BPMP 1149 help 1150 If you say yes to this option, support will be included for the I2C 1151 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1152 1153 This I2C driver is a 'virtual' I2C driver. The real driver is part 1154 of the BPMP firmware, and this driver merely communicates with that 1155 real driver. 1156 1157config I2C_UNIPHIER 1158 tristate "UniPhier FIFO-less I2C controller" 1159 depends on ARCH_UNIPHIER || COMPILE_TEST 1160 help 1161 If you say yes to this option, support will be included for 1162 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1163 or older UniPhier SoCs. 1164 1165config I2C_UNIPHIER_F 1166 tristate "UniPhier FIFO-builtin I2C controller" 1167 depends on ARCH_UNIPHIER || COMPILE_TEST 1168 help 1169 If you say yes to this option, support will be included for 1170 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1171 PH1-Pro5, or newer UniPhier SoCs. 1172 1173config I2C_VERSATILE 1174 tristate "ARM Versatile/Realview I2C bus support" 1175 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1176 select I2C_ALGOBIT 1177 help 1178 Say yes if you want to support the I2C serial bus on ARMs Versatile 1179 range of platforms. 1180 1181 This driver can also be built as a module. If so, the module 1182 will be called i2c-versatile. 1183 1184config I2C_WMT 1185 tristate "Wondermedia WM8xxx SoC I2C bus support" 1186 depends on ARCH_VT8500 || COMPILE_TEST 1187 help 1188 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1189 SoCs. 1190 1191 This driver can also be built as a module. If so, the module will be 1192 called i2c-wmt. 1193 1194config I2C_OCTEON 1195 tristate "Cavium OCTEON I2C bus support" 1196 depends on CAVIUM_OCTEON_SOC 1197 help 1198 Say yes if you want to support the I2C serial bus on Cavium 1199 OCTEON SOC. 1200 1201 This driver can also be built as a module. If so, the module 1202 will be called i2c-octeon. 1203 1204config I2C_THUNDERX 1205 tristate "Cavium ThunderX I2C bus support" 1206 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1207 select I2C_SMBUS 1208 help 1209 Say yes if you want to support the I2C serial bus on Cavium 1210 ThunderX SOC. 1211 1212 This driver can also be built as a module. If so, the module 1213 will be called i2c-thunderx. 1214 1215config I2C_XILINX 1216 tristate "Xilinx I2C Controller" 1217 depends on HAS_IOMEM 1218 help 1219 If you say yes to this option, support will be included for the 1220 Xilinx I2C controller. 1221 1222 This driver can also be built as a module. If so, the module 1223 will be called xilinx_i2c. 1224 1225config I2C_XLP9XX 1226 tristate "Cavium ThunderX2 I2C support" 1227 depends on ARCH_THUNDER2 || COMPILE_TEST 1228 help 1229 This driver enables support for the on-chip I2C interface of 1230 the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.) 1231 1232 This driver can also be built as a module. If so, the module will 1233 be called i2c-xlp9xx. 1234 1235config I2C_RCAR 1236 tristate "Renesas R-Car I2C Controller" 1237 depends on ARCH_RENESAS || COMPILE_TEST 1238 select I2C_SLAVE 1239 select I2C_SMBUS 1240 select RESET_CONTROLLER if ARCH_RCAR_GEN3 1241 help 1242 If you say yes to this option, support will be included for the 1243 R-Car I2C controller. 1244 1245 This driver can also be built as a module. If so, the module 1246 will be called i2c-rcar. 1247 1248comment "External I2C/SMBus adapter drivers" 1249 1250config I2C_DIOLAN_U2C 1251 tristate "Diolan U2C-12 USB adapter" 1252 depends on USB 1253 help 1254 If you say yes to this option, support will be included for Diolan 1255 U2C-12, a USB to I2C interface. 1256 1257 This driver can also be built as a module. If so, the module 1258 will be called i2c-diolan-u2c. 1259 1260config I2C_DLN2 1261 tristate "Diolan DLN-2 USB I2C adapter" 1262 depends on MFD_DLN2 1263 help 1264 If you say yes to this option, support will be included for Diolan 1265 DLN2, a USB to I2C interface. 1266 1267 This driver can also be built as a module. If so, the module 1268 will be called i2c-dln2. 1269 1270config I2C_CP2615 1271 tristate "Silicon Labs CP2615 USB sound card and I2C adapter" 1272 depends on USB 1273 help 1274 If you say yes to this option, support will be included for Silicon 1275 Labs CP2615's I2C interface. 1276 1277 This driver can also be built as a module. If so, the module 1278 will be called i2c-cp2615. 1279 1280config I2C_PARPORT 1281 tristate "Parallel port adapter" 1282 depends on PARPORT 1283 select I2C_ALGOBIT 1284 select I2C_SMBUS 1285 help 1286 This supports parallel port I2C adapters such as the ones made by 1287 Philips or Velleman, Analog Devices evaluation boards, and more. 1288 Basically any adapter using the parallel port as an I2C bus with 1289 no extra chipset is supported by this driver, or could be. Please 1290 read the file Documentation/i2c/busses/i2c-parport.rst for details. 1291 1292 This support is also available as a module. If so, the module 1293 will be called i2c-parport. 1294 1295config I2C_PCI1XXXX 1296 tristate "PCI1XXXX I2C Host Adapter" 1297 depends on PCI 1298 help 1299 If you say yes to this option, support will be included for 1300 Microchip PCI1XXXX's I2C interface. 1301 1302 This driver can also be built as a module. If so, the module will 1303 be called i2c-mchp-pci1xxxx. 1304 1305config I2C_ROBOTFUZZ_OSIF 1306 tristate "RobotFuzz Open Source InterFace USB adapter" 1307 depends on USB 1308 help 1309 If you say yes to this option, support will be included for the 1310 RobotFuzz Open Source InterFace USB to I2C interface. 1311 1312 This driver can also be built as a module. If so, the module 1313 will be called i2c-osif. 1314 1315config I2C_TAOS_EVM 1316 tristate "TAOS evaluation module" 1317 depends on TTY 1318 select SERIO 1319 select SERIO_SERPORT 1320 help 1321 This supports TAOS evaluation modules on serial port. In order to 1322 use this driver, you will need the inputattach tool, which is part 1323 of the input-utils package. 1324 1325 If unsure, say N. 1326 1327 This support is also available as a module. If so, the module 1328 will be called i2c-taos-evm. 1329 1330config I2C_TINY_USB 1331 tristate "Tiny-USB adapter" 1332 depends on USB 1333 help 1334 If you say yes to this option, support will be included for the 1335 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1336 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1337 1338 This driver can also be built as a module. If so, the module 1339 will be called i2c-tiny-usb. 1340 1341config I2C_VIPERBOARD 1342 tristate "Viperboard I2C master support" 1343 depends on MFD_VIPERBOARD && USB 1344 help 1345 Say yes here to access the I2C part of the Nano River 1346 Technologies Viperboard as I2C master. 1347 See viperboard API specification and Nano 1348 River Tech's viperboard.h for detailed meaning 1349 of the module parameters. 1350 1351comment "Other I2C/SMBus bus drivers" 1352 1353config I2C_ACORN 1354 tristate "Acorn IOC/IOMD I2C bus support" 1355 depends on ARCH_ACORN 1356 default y 1357 select I2C_ALGOBIT 1358 help 1359 Say yes if you want to support the I2C bus on Acorn platforms. 1360 1361 If you don't know, say Y. 1362 1363config I2C_ELEKTOR 1364 tristate "Elektor ISA card" 1365 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1366 select I2C_ALGOPCF 1367 help 1368 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1369 such an adapter. 1370 1371 This support is also available as a module. If so, the module 1372 will be called i2c-elektor. 1373 1374config I2C_ICY 1375 tristate "ICY Zorro card" 1376 depends on ZORRO 1377 select I2C_ALGOPCF 1378 help 1379 This supports the PCF8584 Zorro bus I2C adapter, known as ICY. 1380 Say Y if you own such an adapter. 1381 1382 This support is also available as a module. If so, the module 1383 will be called i2c-icy. 1384 1385 If you have a 2019 edition board with an LTC2990 sensor at address 1386 0x4c, loading the module 'ltc2990' is sufficient to enable it. 1387 1388config I2C_MLXCPLD 1389 tristate "Mellanox I2C driver" 1390 depends on X86_64 || (ARM64 && ACPI) || COMPILE_TEST 1391 help 1392 This exposes the Mellanox platform I2C busses to the linux I2C layer 1393 for X86 and ARM64/ACPI based systems. 1394 Controller is implemented as CPLD logic. 1395 1396 This driver can also be built as a module. If so, the module will be 1397 called as i2c-mlxcpld. 1398 1399config I2C_PCA_ISA 1400 tristate "PCA9564/PCA9665 on an ISA bus" 1401 depends on ISA 1402 select I2C_ALGOPCA 1403 help 1404 This driver supports ISA boards using the Philips PCA9564/PCA9665 1405 parallel bus to I2C bus controller. 1406 1407 This driver can also be built as a module. If so, the module 1408 will be called i2c-pca-isa. 1409 1410 This device is almost undetectable and using this driver on a 1411 system which doesn't have this device will result in long 1412 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1413 time). If unsure, say N. 1414 1415config I2C_SIBYTE 1416 tristate "SiByte SMBus interface" 1417 depends on SIBYTE_SB1xxx_SOC 1418 help 1419 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1420 1421config I2C_CROS_EC_TUNNEL 1422 tristate "ChromeOS EC tunnel I2C bus" 1423 depends on CROS_EC 1424 help 1425 If you say yes here you get an I2C bus that will tunnel i2c commands 1426 through to the other side of the ChromeOS EC to the i2c bus 1427 connected there. This will work whatever the interface used to 1428 talk to the EC (SPI, I2C or LPC). 1429 1430config I2C_XGENE_SLIMPRO 1431 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1432 depends on ARCH_XGENE && MAILBOX 1433 help 1434 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1435 co-processor. The I2C device access the I2C bus via the X-Gene 1436 to SLIMpro (On chip coprocessor) mailbox mechanism. 1437 If unsure, say N. 1438 1439config SCx200_ACB 1440 tristate "Geode ACCESS.bus support" 1441 depends on X86_32 && PCI 1442 help 1443 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1444 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1445 1446 If you don't know what to do here, say N. 1447 1448 This support is also available as a module. If so, the module 1449 will be called scx200_acb. 1450 1451config I2C_OPAL 1452 tristate "IBM OPAL I2C driver" 1453 depends on PPC_POWERNV 1454 default y 1455 help 1456 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1457 the driver is based on the OPAL interfaces. 1458 1459 This driver can also be built as a module. If so, the module will be 1460 called as i2c-opal. 1461 1462config I2C_FSI 1463 tristate "FSI I2C driver" 1464 depends on FSI 1465 help 1466 Driver for FSI bus attached I2C masters. These are I2C masters that 1467 are connected to the system over an FSI bus, instead of the more 1468 common PCI or MMIO interface. 1469 1470 This driver can also be built as a module. If so, the module will be 1471 called as i2c-fsi. 1472 1473config I2C_VIRTIO 1474 tristate "Virtio I2C Adapter" 1475 select VIRTIO 1476 help 1477 If you say yes to this option, support will be included for the virtio 1478 I2C adapter driver. The hardware can be emulated by any device model 1479 software according to the virtio protocol. 1480 1481 This driver can also be built as a module. If so, the module 1482 will be called i2c-virtio. 1483 1484endmenu 1485