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_ALI1535 13 tristate "ALI 1535" 14 depends on PCI 15 help 16 If you say yes to this option, support will be included for the SMB 17 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB 18 controller is part of the 7101 device, which is an ACPI-compliant 19 Power Management Unit (PMU). 20 21 This driver can also be built as a module. If so, the module 22 will be called i2c-ali1535. 23 24config I2C_ALI1563 25 tristate "ALI 1563" 26 depends on PCI 27 help 28 If you say yes to this option, support will be included for the SMB 29 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB 30 controller is part of the 7101 device, which is an ACPI-compliant 31 Power Management Unit (PMU). 32 33 This driver can also be built as a module. If so, the module 34 will be called i2c-ali1563. 35 36config I2C_ALI15X3 37 tristate "ALI 15x3" 38 depends on PCI 39 help 40 If you say yes to this option, support will be included for the 41 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces. 42 43 This driver can also be built as a module. If so, the module 44 will be called i2c-ali15x3. 45 46config I2C_AMD756 47 tristate "AMD 756/766/768/8111 and nVidia nForce" 48 depends on PCI 49 help 50 If you say yes to this option, support will be included for the AMD 51 756/766/768 mainboard I2C interfaces. The driver also includes 52 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and 53 the nVidia nForce I2C interface. 54 55 This driver can also be built as a module. If so, the module 56 will be called i2c-amd756. 57 58config I2C_AMD756_S4882 59 tristate "SMBus multiplexing on the Tyan S4882" 60 depends on I2C_AMD756 && X86 61 help 62 Enabling this option will add specific SMBus support for the Tyan 63 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed 64 over 8 different channels, where the various memory module EEPROMs 65 and temperature sensors live. Saying yes here will give you access 66 to these in addition to the trunk. 67 68 This driver can also be built as a module. If so, the module 69 will be called i2c-amd756-s4882. 70 71config I2C_AMD8111 72 tristate "AMD 8111" 73 depends on PCI 74 help 75 If you say yes to this option, support will be included for the 76 second (SMBus 2.0) AMD 8111 mainboard I2C interface. 77 78 This driver can also be built as a module. If so, the module 79 will be called i2c-amd8111. 80 81config I2C_AMD_MP2 82 tristate "AMD MP2 PCIe" 83 depends on PCI && ACPI 84 help 85 If you say yes to this option, support will be included for the AMD 86 MP2 PCIe I2C adapter. 87 88 This driver can also be built as modules. If so, the modules will 89 be called i2c-amd-mp2-pci and i2c-amd-mp2-plat. 90 91config I2C_HIX5HD2 92 tristate "Hix5hd2 high-speed I2C driver" 93 depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST 94 help 95 Say Y here to include support for the high-speed I2C controller 96 used in HiSilicon hix5hd2 SoCs. 97 98 This driver can also be built as a module. If so, the module 99 will be called i2c-hix5hd2. 100 101config I2C_I801 102 tristate "Intel 82801 (ICH/PCH)" 103 depends on PCI 104 select CHECK_SIGNATURE if X86 && DMI 105 select I2C_SMBUS 106 help 107 If you say yes to this option, support will be included for the Intel 108 801 family of mainboard I2C interfaces. Specifically, the following 109 versions of the chipset are supported: 110 82801AA 111 82801AB 112 82801BA 113 82801CA/CAM 114 82801DB 115 82801EB/ER (ICH5/ICH5R) 116 6300ESB 117 ICH6 118 ICH7 119 ESB2 120 ICH8 121 ICH9 122 EP80579 (Tolapai) 123 ICH10 124 5/3400 Series (PCH) 125 6 Series (PCH) 126 Patsburg (PCH) 127 DH89xxCC (PCH) 128 Panther Point (PCH) 129 Lynx Point (PCH) 130 Avoton (SOC) 131 Wellsburg (PCH) 132 Coleto Creek (PCH) 133 Wildcat Point (PCH) 134 BayTrail (SOC) 135 Braswell (SOC) 136 Sunrise Point (PCH) 137 Kaby Lake (PCH) 138 DNV (SOC) 139 Broxton (SOC) 140 Lewisburg (PCH) 141 Gemini Lake (SOC) 142 Cannon Lake (PCH) 143 Cedar Fork (PCH) 144 Ice Lake (PCH) 145 Comet Lake (PCH) 146 Elkhart Lake (PCH) 147 Tiger Lake (PCH) 148 Jasper Lake (SOC) 149 Emmitsburg (PCH) 150 Alder Lake (PCH) 151 152 This driver can also be built as a module. If so, the module 153 will be called i2c-i801. 154 155config I2C_ISCH 156 tristate "Intel SCH SMBus 1.0" 157 depends on PCI 158 select LPC_SCH 159 help 160 Say Y here if you want to use SMBus controller on the Intel SCH 161 based systems. 162 163 This driver can also be built as a module. If so, the module 164 will be called i2c-isch. 165 166config I2C_ISMT 167 tristate "Intel iSMT SMBus Controller" 168 depends on PCI && X86 169 help 170 If you say yes to this option, support will be included for the Intel 171 iSMT SMBus host controller interface. 172 173 This driver can also be built as a module. If so, the module will be 174 called i2c-ismt. 175 176config I2C_PIIX4 177 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 178 depends on PCI 179 help 180 If you say yes to this option, support will be included for the Intel 181 PIIX4 family of mainboard I2C interfaces. Specifically, the following 182 versions of the chipset are supported (note that Serverworks is part 183 of Broadcom): 184 Intel PIIX4 185 Intel 440MX 186 ATI IXP200 187 ATI IXP300 188 ATI IXP400 189 ATI SB600 190 ATI SB700/SP5100 191 ATI SB800 192 AMD Hudson-2 193 AMD ML 194 AMD CZ 195 Hygon CZ 196 Serverworks OSB4 197 Serverworks CSB5 198 Serverworks CSB6 199 Serverworks HT-1000 200 Serverworks HT-1100 201 SMSC Victory66 202 203 Some AMD chipsets contain two PIIX4-compatible SMBus 204 controllers. This driver will attempt to use both controllers 205 on the SB700/SP5100, if they have been initialized by the BIOS. 206 207 This driver can also be built as a module. If so, the module 208 will be called i2c-piix4. 209 210config I2C_CHT_WC 211 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 212 depends on INTEL_SOC_PMIC_CHTWC 213 help 214 If you say yes to this option, support will be included for the 215 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 216 found on some Intel Cherry Trail systems. 217 218 Note this controller is hooked up to a TI bq24292i charger-IC, 219 combined with a FUSB302 Type-C port-controller as such it is advised 220 to also select CONFIG_TYPEC_FUSB302=m. 221 222config I2C_NFORCE2 223 tristate "Nvidia nForce2, nForce3 and nForce4" 224 depends on PCI 225 help 226 If you say yes to this option, support will be included for the Nvidia 227 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 228 229 This driver can also be built as a module. If so, the module 230 will be called i2c-nforce2. 231 232config I2C_NFORCE2_S4985 233 tristate "SMBus multiplexing on the Tyan S4985" 234 depends on I2C_NFORCE2 && X86 235 help 236 Enabling this option will add specific SMBus support for the Tyan 237 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed 238 over 4 different channels, where the various memory module EEPROMs 239 live. Saying yes here will give you access to these in addition 240 to the trunk. 241 242 This driver can also be built as a module. If so, the module 243 will be called i2c-nforce2-s4985. 244 245config I2C_NVIDIA_GPU 246 tristate "NVIDIA GPU I2C controller" 247 depends on PCI 248 help 249 If you say yes to this option, support will be included for the 250 NVIDIA GPU I2C controller which is used to communicate with the GPU's 251 Type-C controller. This driver can also be built as a module called 252 i2c-nvidia-gpu. 253 254config I2C_SIS5595 255 tristate "SiS 5595" 256 depends on PCI 257 help 258 If you say yes to this option, support will be included for the 259 SiS5595 SMBus (a subset of I2C) interface. 260 261 This driver can also be built as a module. If so, the module 262 will be called i2c-sis5595. 263 264config I2C_SIS630 265 tristate "SiS 630/730/964" 266 depends on PCI 267 help 268 If you say yes to this option, support will be included for the 269 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 270 271 This driver can also be built as a module. If so, the module 272 will be called i2c-sis630. 273 274config I2C_SIS96X 275 tristate "SiS 96x" 276 depends on PCI 277 help 278 If you say yes to this option, support will be included for the SiS 279 96x SMBus (a subset of I2C) interfaces. Specifically, the following 280 chipsets are supported: 281 645/961 282 645DX/961 283 645DX/962 284 648/961 285 650/961 286 735 287 745 288 289 This driver can also be built as a module. If so, the module 290 will be called i2c-sis96x. 291 292config I2C_VIA 293 tristate "VIA VT82C586B" 294 depends on PCI 295 select I2C_ALGOBIT 296 help 297 If you say yes to this option, support will be included for the VIA 298 82C586B I2C interface 299 300 This driver can also be built as a module. If so, the module 301 will be called i2c-via. 302 303config I2C_VIAPRO 304 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 305 depends on PCI 306 help 307 If you say yes to this option, support will be included for the VIA 308 VT82C596 and later SMBus interface. Specifically, the following 309 chipsets are supported: 310 VT82C596A/B 311 VT82C686A/B 312 VT8231 313 VT8233/A 314 VT8235 315 VT8237R/A/S 316 VT8251 317 CX700 318 VX800/VX820 319 VX855/VX875 320 VX900 321 322 This driver can also be built as a module. If so, the module 323 will be called i2c-viapro. 324 325if ACPI 326 327comment "ACPI drivers" 328 329config I2C_SCMI 330 tristate "SMBus Control Method Interface" 331 help 332 This driver supports the SMBus Control Method Interface. It needs the 333 BIOS to declare ACPI control methods as described in the SMBus Control 334 Method Interface specification. 335 336 To compile this driver as a module, choose M here: 337 the module will be called i2c-scmi. 338 339endif # ACPI 340 341comment "Mac SMBus host controller drivers" 342 depends on PPC_CHRP || PPC_PMAC 343 344config I2C_HYDRA 345 tristate "CHRP Apple Hydra Mac I/O I2C interface" 346 depends on PCI && PPC_CHRP 347 select I2C_ALGOBIT 348 help 349 This supports the use of the I2C interface in the Apple Hydra Mac 350 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 351 have such a machine. 352 353 This support is also available as a module. If so, the module 354 will be called i2c-hydra. 355 356config I2C_POWERMAC 357 tristate "Powermac I2C interface" 358 depends on PPC_PMAC 359 default y 360 help 361 This exposes the various PowerMac i2c interfaces to the linux i2c 362 layer and to userland. It is used by various drivers on the PowerMac 363 platform, and should generally be enabled. 364 365 This support is also available as a module. If so, the module 366 will be called i2c-powermac. 367 368comment "I2C system bus drivers (mostly embedded / system-on-chip)" 369 370config I2C_ALTERA 371 tristate "Altera Soft IP I2C" 372 depends on ARCH_SOCFPGA || NIOS2 || COMPILE_TEST 373 depends on OF 374 help 375 If you say yes to this option, support will be included for the 376 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 377 378 This driver can also be built as a module. If so, the module 379 will be called i2c-altera. 380 381config I2C_ASPEED 382 tristate "Aspeed I2C Controller" 383 depends on ARCH_ASPEED || COMPILE_TEST 384 help 385 If you say yes to this option, support will be included for the 386 Aspeed I2C controller. 387 388 This driver can also be built as a module. If so, the module 389 will be called i2c-aspeed. 390 391config I2C_AT91 392 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 393 depends on ARCH_AT91 || COMPILE_TEST 394 help 395 This supports the use of the I2C interface on Atmel AT91 396 processors. 397 398 A serious problem is that there is no documented way to issue 399 repeated START conditions for more than two messages, as needed 400 to support combined I2C messages. Use the i2c-gpio driver 401 unless your system can cope with this limitation. 402 403 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 404 don't have clock stretching in transmission mode. For that reason, 405 you can encounter underrun issues causing premature stop sendings if 406 the latency to fill the transmission register is too long. If you 407 are facing this situation, use the i2c-gpio driver. 408 409config I2C_AT91_SLAVE_EXPERIMENTAL 410 tristate "Microchip AT91 I2C experimental slave mode" 411 depends on I2C_AT91 412 select I2C_SLAVE 413 help 414 If you say yes to this option, support for the slave mode will be 415 added. Caution: do not use it for production. This feature has not 416 been tested in a heavy way, help wanted. 417 There are known bugs: 418 - It can hang, on a SAMA5D4, after several transfers. 419 - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as 420 master. 421 422config I2C_AU1550 423 tristate "Au1550/Au1200/Au1300 SMBus interface" 424 depends on MIPS_ALCHEMY 425 help 426 If you say yes to this option, support will be included for the 427 Au1550/Au1200/Au1300 SMBus interface. 428 429 This driver can also be built as a module. If so, the module 430 will be called i2c-au1550. 431 432config I2C_AXXIA 433 tristate "Axxia I2C controller" 434 depends on ARCH_AXXIA || COMPILE_TEST 435 default ARCH_AXXIA 436 select I2C_SLAVE 437 help 438 Say yes if you want to support the I2C bus on Axxia platforms. 439 440 Please note that this controller is limited to transfers of maximum 441 255 bytes in length. Any attempt to to a larger transfer will return 442 an error. 443 444config I2C_BCM2835 445 tristate "Broadcom BCM2835 I2C controller" 446 depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST 447 depends on COMMON_CLK 448 help 449 If you say yes to this option, support will be included for the 450 BCM2835 I2C controller. 451 452 If you don't know what to do here, say N. 453 454 This support is also available as a module. If so, the module 455 will be called i2c-bcm2835. 456 457config I2C_BCM_IPROC 458 tristate "Broadcom iProc I2C controller" 459 depends on ARCH_BCM_IPROC || COMPILE_TEST 460 default ARCH_BCM_IPROC 461 select I2C_SLAVE 462 help 463 If you say yes to this option, support will be included for the 464 Broadcom iProc I2C controller. 465 466 If you don't know what to do here, say N. 467 468config I2C_BCM_KONA 469 tristate "BCM Kona I2C adapter" 470 depends on ARCH_BCM_MOBILE || COMPILE_TEST 471 default y if ARCH_BCM_MOBILE 472 help 473 If you say yes to this option, support will be included for the 474 I2C interface on the Broadcom Kona family of processors. 475 476 If you do not need KONA I2C interface, say N. 477 478config I2C_BRCMSTB 479 tristate "BRCM Settop/DSL I2C controller" 480 depends on ARCH_BCM2835 || ARCH_BRCMSTB || BMIPS_GENERIC || \ 481 ARCH_BCM_63XX || COMPILE_TEST 482 default y 483 help 484 If you say yes to this option, support will be included for the 485 I2C interface on the Broadcom Settop/DSL SoCs. 486 487 If you do not need I2C interface, say N. 488 489config I2C_CADENCE 490 tristate "Cadence I2C Controller" 491 depends on ARCH_ZYNQ || ARM64 || XTENSA || COMPILE_TEST 492 help 493 Say yes here to select Cadence I2C Host Controller. This controller is 494 e.g. used by Xilinx Zynq. 495 496config I2C_CBUS_GPIO 497 tristate "CBUS I2C driver" 498 depends on GPIOLIB || COMPILE_TEST 499 help 500 Support for CBUS access using I2C API. Mostly relevant for Nokia 501 Internet Tablets (770, N800 and N810). 502 503 This driver can also be built as a module. If so, the module 504 will be called i2c-cbus-gpio. 505 506config I2C_CPM 507 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 508 depends on CPM1 || CPM2 509 help 510 This supports the use of the I2C interface on Freescale 511 processors with CPM1 or CPM2. 512 513 This driver can also be built as a module. If so, the module 514 will be called i2c-cpm. 515 516config I2C_DAVINCI 517 tristate "DaVinci I2C driver" 518 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST 519 help 520 Support for TI DaVinci I2C controller driver. 521 522 This driver can also be built as a module. If so, the module 523 will be called i2c-davinci. 524 525 Please note that this driver might be needed to bring up other 526 devices such as DaVinci NIC. 527 For details please see http://www.ti.com/davinci 528 529config I2C_DESIGNWARE_CORE 530 tristate 531 select REGMAP 532 533config I2C_DESIGNWARE_SLAVE 534 bool "Synopsys DesignWare Slave" 535 depends on I2C_DESIGNWARE_CORE 536 select I2C_SLAVE 537 help 538 If you say yes to this option, support will be included for the 539 Synopsys DesignWare I2C slave adapter. 540 541 This is not a standalone module, this module compiles together with 542 i2c-designware-core. 543 544config I2C_DESIGNWARE_PLATFORM 545 tristate "Synopsys DesignWare Platform" 546 depends on (ACPI && COMMON_CLK) || !ACPI 547 select I2C_DESIGNWARE_CORE 548 select MFD_SYSCON if MIPS_BAIKAL_T1 549 help 550 If you say yes to this option, support will be included for the 551 Synopsys DesignWare I2C adapter. 552 553 This driver can also be built as a module. If so, the module 554 will be called i2c-designware-platform. 555 556config I2C_DESIGNWARE_BAYTRAIL 557 bool "Intel Baytrail I2C semaphore support" 558 depends on ACPI 559 depends on I2C_DESIGNWARE_PLATFORM 560 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 561 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 562 help 563 This driver enables managed host access to the PMIC I2C bus on select 564 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 565 the host to request uninterrupted access to the PMIC's I2C bus from 566 the platform firmware controlling it. You should say Y if running on 567 a BayTrail system using the AXP288. 568 569config I2C_DESIGNWARE_PCI 570 tristate "Synopsys DesignWare PCI" 571 depends on PCI 572 select I2C_DESIGNWARE_CORE 573 help 574 If you say yes to this option, support will be included for the 575 Synopsys DesignWare I2C adapter. Only master mode is supported. 576 577 This driver can also be built as a module. If so, the module 578 will be called i2c-designware-pci. 579 580config I2C_DIGICOLOR 581 tristate "Conexant Digicolor I2C driver" 582 depends on ARCH_DIGICOLOR || COMPILE_TEST 583 help 584 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 585 586 This driver can also be built as a module. If so, the module 587 will be called i2c-digicolor. 588 589config I2C_EFM32 590 tristate "EFM32 I2C controller" 591 depends on ARCH_EFM32 || COMPILE_TEST 592 help 593 This driver supports the i2c block found in Energy Micro's EFM32 594 SoCs. 595 596config I2C_EG20T 597 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 598 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 599 help 600 This driver is for PCH(Platform controller Hub) I2C of EG20T which 601 is an IOH(Input/Output Hub) for x86 embedded processor. 602 This driver can access PCH I2C bus device. 603 604 This driver also can be used for LAPIS Semiconductor IOH(Input/ 605 Output Hub), ML7213, ML7223 and ML7831. 606 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 607 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 608 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 609 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 610 611config I2C_EMEV2 612 tristate "EMMA Mobile series I2C adapter" 613 depends on HAVE_CLK 614 select I2C_SLAVE 615 help 616 If you say yes to this option, support will be included for the 617 I2C interface on the Renesas Electronics EM/EV family of processors. 618 619config I2C_EXYNOS5 620 tristate "Exynos high-speed I2C driver" 621 depends on OF 622 depends on ARCH_EXYNOS || COMPILE_TEST 623 default y if ARCH_EXYNOS 624 help 625 High-speed I2C controller on Exynos5 and newer Samsung SoCs. 626 627config I2C_GPIO 628 tristate "GPIO-based bitbanging I2C" 629 depends on GPIOLIB || COMPILE_TEST 630 select I2C_ALGOBIT 631 help 632 This is a very simple bitbanging I2C driver utilizing the 633 arch-neutral GPIO API to control the SCL and SDA lines. 634 635config I2C_GPIO_FAULT_INJECTOR 636 bool "GPIO-based fault injector" 637 depends on I2C_GPIO 638 help 639 This adds some functionality to the i2c-gpio driver which can inject 640 faults to an I2C bus, so another bus master can be stress-tested. 641 This is for debugging. If unsure, say 'no'. 642 643config I2C_HIGHLANDER 644 tristate "Highlander FPGA SMBus interface" 645 depends on SH_HIGHLANDER || COMPILE_TEST 646 help 647 If you say yes to this option, support will be included for 648 the SMBus interface located in the FPGA on various Highlander 649 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 650 FPGAs. This is wholly unrelated to the SoC I2C. 651 652 This driver can also be built as a module. If so, the module 653 will be called i2c-highlander. 654 655config I2C_IBM_IIC 656 tristate "IBM PPC 4xx on-chip I2C interface" 657 depends on 4xx 658 help 659 Say Y here if you want to use IIC peripheral found on 660 embedded IBM PPC 4xx based systems. 661 662 This driver can also be built as a module. If so, the module 663 will be called i2c-ibm_iic. 664 665config I2C_IMG 666 tristate "Imagination Technologies I2C SCB Controller" 667 depends on MIPS || COMPILE_TEST 668 help 669 Say Y here if you want to use the IMG I2C SCB controller, 670 available on the TZ1090 and other IMG SoCs. 671 672 This driver can also be built as a module. If so, the module 673 will be called i2c-img-scb. 674 675config I2C_IMX 676 tristate "IMX I2C interface" 677 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE 678 help 679 Say Y here if you want to use the IIC bus controller on 680 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 681 682 This driver can also be built as a module. If so, the module 683 will be called i2c-imx. 684 685config I2C_IMX_LPI2C 686 tristate "IMX Low Power I2C interface" 687 depends on ARCH_MXC || COMPILE_TEST 688 help 689 Say Y here if you want to use the Low Power IIC bus controller 690 on the Freescale i.MX processors. 691 692 This driver can also be built as a module. If so, the module 693 will be called i2c-imx-lpi2c. 694 695config I2C_IOP3XX 696 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" 697 depends on ARCH_IOP32X || ARCH_IXP4XX || COMPILE_TEST 698 help 699 Say Y here if you want to use the IIC bus controller on 700 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. 701 702 This driver can also be built as a module. If so, the module 703 will be called i2c-iop3xx. 704 705config I2C_JZ4780 706 tristate "JZ4780 I2C controller interface support" 707 depends on MIPS || COMPILE_TEST 708 help 709 If you say yes to this option, support will be included for the 710 Ingenic JZ4780 I2C controller. 711 712 If you don't know what to do here, say N. 713 714config I2C_KEMPLD 715 tristate "Kontron COM I2C Controller" 716 depends on MFD_KEMPLD 717 help 718 This enables support for the I2C bus interface on some Kontron ETX 719 and COMexpress (ETXexpress) modules. 720 721 This driver can also be built as a module. If so, the module 722 will be called i2c-kempld. 723 724config I2C_LPC2K 725 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 726 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 727 help 728 This driver supports the I2C interface found several NXP 729 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 730 731 This driver can also be built as a module. If so, the module 732 will be called i2c-lpc2k. 733 734config I2C_MLXBF 735 tristate "Mellanox BlueField I2C controller" 736 depends on MELLANOX_PLATFORM && ARM64 737 select I2C_SLAVE 738 help 739 Enabling this option will add I2C SMBus support for Mellanox BlueField 740 system. 741 742 This driver can also be built as a module. If so, the module will be 743 called i2c-mlxbf. 744 745 This driver implements an I2C SMBus host controller and enables both 746 master and slave functions. 747 748config I2C_MESON 749 tristate "Amlogic Meson I2C controller" 750 depends on ARCH_MESON || COMPILE_TEST 751 depends on COMMON_CLK 752 help 753 If you say yes to this option, support will be included for the 754 I2C interface on the Amlogic Meson family of SoCs. 755 756config I2C_MPC 757 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 758 depends on PPC 759 help 760 If you say yes to this option, support will be included for the 761 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 762 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 763 764 This driver can also be built as a module. If so, the module 765 will be called i2c-mpc. 766 767config I2C_MT65XX 768 tristate "MediaTek I2C adapter" 769 depends on ARCH_MEDIATEK || COMPILE_TEST 770 help 771 This selects the MediaTek(R) Integrated Inter Circuit bus driver 772 for MT65xx and MT81xx. 773 If you want to use MediaTek(R) I2C interface, say Y or M here. 774 If unsure, say N. 775 776config I2C_MT7621 777 tristate "MT7621/MT7628 I2C Controller" 778 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST 779 help 780 Say Y here to include support for I2C controller in the 781 MediaTek MT7621/MT7628 SoCs. 782 783config I2C_MV64XXX 784 tristate "Marvell mv64xxx I2C Controller" 785 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST 786 help 787 If you say yes to this option, support will be included for the 788 built-in I2C interface on the Marvell 64xxx line of host bridges. 789 This driver is also used for Allwinner SoCs I2C controllers. 790 791 This driver can also be built as a module. If so, the module 792 will be called i2c-mv64xxx. 793 794config I2C_MXS 795 tristate "Freescale i.MX28 I2C interface" 796 depends on SOC_IMX28 || COMPILE_TEST 797 select STMP_DEVICE 798 help 799 Say Y here if you want to use the I2C bus controller on 800 the Freescale i.MX28 processors. 801 802 This driver can also be built as a module. If so, the module 803 will be called i2c-mxs. 804 805config I2C_NOMADIK 806 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 807 depends on ARM_AMBA 808 help 809 If you say yes to this option, support will be included for the 810 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 811 as well as the STA2X11 PCIe I/O HUB. 812 813config I2C_NPCM7XX 814 tristate "Nuvoton I2C Controller" 815 depends on ARCH_NPCM7XX || COMPILE_TEST 816 help 817 If you say yes to this option, support will be included for the 818 Nuvoton I2C controller, which is available on the NPCM7xx BMC 819 controller. 820 Driver can also support slave mode (select I2C_SLAVE). 821 822config I2C_OCORES 823 tristate "OpenCores I2C Controller" 824 help 825 If you say yes to this option, support will be included for the 826 OpenCores I2C controller. For details see 827 http://www.opencores.org/projects.cgi/web/i2c/overview 828 829 This driver can also be built as a module. If so, the module 830 will be called i2c-ocores. 831 832config I2C_OMAP 833 tristate "OMAP I2C adapter" 834 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST 835 default y if MACH_OMAP_H3 || MACH_OMAP_OSK 836 help 837 If you say yes to this option, support will be included for the 838 I2C interface on the Texas Instruments OMAP1/2 family of processors. 839 Like OMAP1510/1610/1710/5912 and OMAP242x. 840 For details see http://www.ti.com/omap. 841 842config I2C_OWL 843 tristate "Actions Semiconductor Owl I2C Controller" 844 depends on ARCH_ACTIONS || COMPILE_TEST 845 help 846 Say Y here if you want to use the I2C bus controller on 847 the Actions Semiconductor Owl SoC's. 848 849config I2C_PASEMI 850 tristate "PA Semi SMBus interface" 851 depends on PPC_PASEMI && PCI 852 help 853 Supports the PA Semi PWRficient on-chip SMBus interfaces. 854 855config I2C_PCA_PLATFORM 856 tristate "PCA9564/PCA9665 as platform device" 857 select I2C_ALGOPCA 858 help 859 This driver supports a memory mapped Philips PCA9564/PCA9665 860 parallel bus to I2C bus controller. 861 862 This driver can also be built as a module. If so, the module 863 will be called i2c-pca-platform. 864 865config I2C_PMCMSP 866 tristate "PMC MSP I2C TWI Controller" 867 depends on PMC_MSP || COMPILE_TEST 868 help 869 This driver supports the PMC TWI controller on MSP devices. 870 871 This driver can also be built as module. If so, the module 872 will be called i2c-pmcmsp. 873 874config I2C_PNX 875 tristate "I2C bus support for Philips PNX and NXP LPC targets" 876 depends on ARCH_LPC32XX || COMPILE_TEST 877 help 878 This driver supports the Philips IP3204 I2C IP block master and/or 879 slave controller 880 881 This driver can also be built as a module. If so, the module 882 will be called i2c-pnx. 883 884config I2C_PXA 885 tristate "Intel PXA2XX I2C adapter" 886 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST 887 help 888 If you have devices in the PXA I2C bus, say yes to this option. 889 This driver can also be built as a module. If so, the module 890 will be called i2c-pxa. 891 892config I2C_PXA_PCI 893 def_bool I2C_PXA && X86_32 && PCI && OF 894 895config I2C_PXA_SLAVE 896 bool "Intel PXA2XX I2C Slave comms support" 897 depends on I2C_PXA && !X86_32 898 select I2C_SLAVE 899 help 900 Support I2C slave mode communications on the PXA I2C bus. This 901 is necessary for systems where the PXA may be a target on the 902 I2C bus. 903 904config I2C_QCOM_CCI 905 tristate "Qualcomm Camera Control Interface" 906 depends on ARCH_QCOM || COMPILE_TEST 907 help 908 If you say yes to this option, support will be included for the 909 built-in camera control interface on the Qualcomm SoCs. 910 911 This driver can also be built as a module. If so, the module 912 will be called i2c-qcom-cci. 913 914config I2C_QCOM_GENI 915 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 916 depends on ARCH_QCOM || COMPILE_TEST 917 depends on QCOM_GENI_SE 918 help 919 This driver supports GENI serial engine based I2C controller in 920 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 921 yes to this option, support will be included for the built-in I2C 922 interface on the Qualcomm Technologies Inc.'s SoCs. 923 924 This driver can also be built as a module. If so, the module 925 will be called i2c-qcom-geni. 926 927config I2C_QUP 928 tristate "Qualcomm QUP based I2C controller" 929 depends on ARCH_QCOM || COMPILE_TEST 930 help 931 If you say yes to this option, support will be included for the 932 built-in I2C interface on the Qualcomm SoCs. 933 934 This driver can also be built as a module. If so, the module 935 will be called i2c-qup. 936 937config I2C_RIIC 938 tristate "Renesas RIIC adapter" 939 depends on ARCH_RENESAS || COMPILE_TEST 940 help 941 If you say yes to this option, support will be included for the 942 Renesas RIIC I2C interface. 943 944 This driver can also be built as a module. If so, the module 945 will be called i2c-riic. 946 947config I2C_RK3X 948 tristate "Rockchip RK3xxx I2C adapter" 949 depends on OF && COMMON_CLK 950 help 951 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 952 SoCs. 953 954 This driver can also be built as a module. If so, the module will 955 be called i2c-rk3x. 956 957config HAVE_S3C2410_I2C 958 bool 959 help 960 This will include I2C support for Samsung SoCs. If you want to 961 include I2C support for any machine, kindly select this in the 962 respective Kconfig file. 963 964config I2C_S3C2410 965 tristate "S3C/Exynos I2C Driver" 966 depends on HAVE_S3C2410_I2C || COMPILE_TEST 967 help 968 Say Y here to include support for I2C controller in the 969 Samsung SoCs (S3C, S5Pv210, Exynos). 970 971config I2C_SH7760 972 tristate "Renesas SH7760 I2C Controller" 973 depends on CPU_SUBTYPE_SH7760 974 help 975 This driver supports the 2 I2C interfaces on the Renesas SH7760. 976 977 This driver can also be built as a module. If so, the module 978 will be called i2c-sh7760. 979 980config I2C_SH_MOBILE 981 tristate "SuperH Mobile I2C Controller" 982 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 983 help 984 If you say yes to this option, support will be included for the 985 built-in I2C interface on the Renesas SH-Mobile processor. 986 987 This driver can also be built as a module. If so, the module 988 will be called i2c-sh_mobile. 989 990config I2C_SIMTEC 991 tristate "Simtec Generic I2C interface" 992 select I2C_ALGOBIT 993 help 994 If you say yes to this option, support will be included for 995 the Simtec Generic I2C interface. This driver is for the 996 simple I2C bus used on newer Simtec products for general 997 I2C, such as DDC on the Simtec BBD2016A. 998 999 This driver can also be built as a module. If so, the module 1000 will be called i2c-simtec. 1001 1002config I2C_SIRF 1003 tristate "CSR SiRFprimaII I2C interface" 1004 depends on ARCH_SIRF || COMPILE_TEST 1005 help 1006 If you say yes to this option, support will be included for the 1007 CSR SiRFprimaII I2C interface. 1008 1009 This driver can also be built as a module. If so, the module 1010 will be called i2c-sirf. 1011 1012config I2C_SPRD 1013 tristate "Spreadtrum I2C interface" 1014 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST) 1015 depends on COMMON_CLK 1016 help 1017 If you say yes to this option, support will be included for the 1018 Spreadtrum I2C interface. 1019 1020config I2C_ST 1021 tristate "STMicroelectronics SSC I2C support" 1022 depends on ARCH_STI || COMPILE_TEST 1023 help 1024 Enable this option to add support for STMicroelectronics SoCs 1025 hardware SSC (Synchronous Serial Controller) as an I2C controller. 1026 1027 This driver can also be built as module. If so, the module 1028 will be called i2c-st. 1029 1030config I2C_STM32F4 1031 tristate "STMicroelectronics STM32F4 I2C support" 1032 depends on ARCH_STM32 || COMPILE_TEST 1033 help 1034 Enable this option to add support for STM32 I2C controller embedded 1035 in STM32F4 SoCs. 1036 1037 This driver can also be built as module. If so, the module 1038 will be called i2c-stm32f4. 1039 1040config I2C_STM32F7 1041 tristate "STMicroelectronics STM32F7 I2C support" 1042 depends on ARCH_STM32 || COMPILE_TEST 1043 select I2C_SLAVE 1044 select I2C_SMBUS 1045 help 1046 Enable this option to add support for STM32 I2C controller embedded 1047 in STM32F7 SoCs. 1048 1049 This driver can also be built as module. If so, the module 1050 will be called i2c-stm32f7. 1051 1052config I2C_STU300 1053 tristate "ST Microelectronics DDC I2C interface" 1054 depends on MACH_U300 || COMPILE_TEST 1055 default y if MACH_U300 1056 help 1057 If you say yes to this option, support will be included for the 1058 I2C interface from ST Microelectronics simply called "DDC I2C" 1059 supporting both I2C and DDC, used in e.g. the U300 series 1060 mobile platforms. 1061 1062 This driver can also be built as a module. If so, the module 1063 will be called i2c-stu300. 1064 1065config I2C_SUN6I_P2WI 1066 tristate "Allwinner sun6i internal P2WI controller" 1067 depends on RESET_CONTROLLER 1068 depends on MACH_SUN6I || COMPILE_TEST 1069 help 1070 If you say yes to this option, support will be included for the 1071 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1072 SOCs. 1073 The P2WI looks like an SMBus controller (which supports only byte 1074 accesses), except that it only supports one slave device. 1075 This interface is used to connect to specific PMIC devices (like the 1076 AXP221). 1077 1078config I2C_SYNQUACER 1079 tristate "Socionext SynQuacer I2C controller" 1080 depends on ARCH_SYNQUACER || COMPILE_TEST 1081 help 1082 Say Y here to include support for the I2C controller used in some 1083 Fujitsu and Socionext SoCs. 1084 1085 This driver can also be built as a module. If so, the module 1086 will be called i2c-synquacer. 1087 1088config I2C_TEGRA 1089 tristate "NVIDIA Tegra internal I2C controller" 1090 depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC)) 1091 # COMPILE_TEST needs architectures with readsX()/writesX() primitives 1092 help 1093 If you say yes to this option, support will be included for the 1094 I2C controller embedded in NVIDIA Tegra SOCs 1095 1096config I2C_TEGRA_BPMP 1097 tristate "NVIDIA Tegra BPMP I2C controller" 1098 depends on TEGRA_BPMP || COMPILE_TEST 1099 default y if TEGRA_BPMP 1100 help 1101 If you say yes to this option, support will be included for the I2C 1102 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1103 1104 This I2C driver is a 'virtual' I2C driver. The real driver is part 1105 of the BPMP firmware, and this driver merely communicates with that 1106 real driver. 1107 1108config I2C_UNIPHIER 1109 tristate "UniPhier FIFO-less I2C controller" 1110 depends on ARCH_UNIPHIER || COMPILE_TEST 1111 help 1112 If you say yes to this option, support will be included for 1113 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1114 or older UniPhier SoCs. 1115 1116config I2C_UNIPHIER_F 1117 tristate "UniPhier FIFO-builtin I2C controller" 1118 depends on ARCH_UNIPHIER || COMPILE_TEST 1119 help 1120 If you say yes to this option, support will be included for 1121 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1122 PH1-Pro5, or newer UniPhier SoCs. 1123 1124config I2C_VERSATILE 1125 tristate "ARM Versatile/Realview I2C bus support" 1126 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1127 select I2C_ALGOBIT 1128 help 1129 Say yes if you want to support the I2C serial bus on ARMs Versatile 1130 range of platforms. 1131 1132 This driver can also be built as a module. If so, the module 1133 will be called i2c-versatile. 1134 1135config I2C_WMT 1136 tristate "Wondermedia WM8xxx SoC I2C bus support" 1137 depends on ARCH_VT8500 || COMPILE_TEST 1138 help 1139 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1140 SoCs. 1141 1142 This driver can also be built as a module. If so, the module will be 1143 called i2c-wmt. 1144 1145config I2C_OCTEON 1146 tristate "Cavium OCTEON I2C bus support" 1147 depends on CAVIUM_OCTEON_SOC 1148 help 1149 Say yes if you want to support the I2C serial bus on Cavium 1150 OCTEON SOC. 1151 1152 This driver can also be built as a module. If so, the module 1153 will be called i2c-octeon. 1154 1155config I2C_THUNDERX 1156 tristate "Cavium ThunderX I2C bus support" 1157 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1158 select I2C_SMBUS 1159 help 1160 Say yes if you want to support the I2C serial bus on Cavium 1161 ThunderX SOC. 1162 1163 This driver can also be built as a module. If so, the module 1164 will be called i2c-thunderx. 1165 1166config I2C_XILINX 1167 tristate "Xilinx I2C Controller" 1168 depends on HAS_IOMEM 1169 help 1170 If you say yes to this option, support will be included for the 1171 Xilinx I2C controller. 1172 1173 This driver can also be built as a module. If so, the module 1174 will be called xilinx_i2c. 1175 1176config I2C_XLR 1177 tristate "Netlogic XLR and Sigma Designs I2C support" 1178 depends on CPU_XLR || ARCH_TANGO || COMPILE_TEST 1179 help 1180 This driver enables support for the on-chip I2C interface of 1181 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs. 1182 1183 This driver can also be built as a module. If so, the module 1184 will be called i2c-xlr. 1185 1186config I2C_XLP9XX 1187 tristate "XLP9XX I2C support" 1188 depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST 1189 help 1190 This driver enables support for the on-chip I2C interface of 1191 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors. 1192 1193 This driver can also be built as a module. If so, the module will 1194 be called i2c-xlp9xx. 1195 1196config I2C_RCAR 1197 tristate "Renesas R-Car I2C Controller" 1198 depends on ARCH_RENESAS || COMPILE_TEST 1199 select I2C_SLAVE 1200 select I2C_SMBUS 1201 select RESET_CONTROLLER if ARCH_RCAR_GEN3 1202 help 1203 If you say yes to this option, support will be included for the 1204 R-Car I2C controller. 1205 1206 This driver can also be built as a module. If so, the module 1207 will be called i2c-rcar. 1208 1209comment "External I2C/SMBus adapter drivers" 1210 1211config I2C_DIOLAN_U2C 1212 tristate "Diolan U2C-12 USB adapter" 1213 depends on USB 1214 help 1215 If you say yes to this option, support will be included for Diolan 1216 U2C-12, a USB to I2C interface. 1217 1218 This driver can also be built as a module. If so, the module 1219 will be called i2c-diolan-u2c. 1220 1221config I2C_DLN2 1222 tristate "Diolan DLN-2 USB I2C adapter" 1223 depends on MFD_DLN2 1224 help 1225 If you say yes to this option, support will be included for Diolan 1226 DLN2, a USB to I2C interface. 1227 1228 This driver can also be built as a module. If so, the module 1229 will be called i2c-dln2. 1230 1231config I2C_PARPORT 1232 tristate "Parallel port adapter" 1233 depends on PARPORT 1234 select I2C_ALGOBIT 1235 select I2C_SMBUS 1236 help 1237 This supports parallel port I2C adapters such as the ones made by 1238 Philips or Velleman, Analog Devices evaluation boards, and more. 1239 Basically any adapter using the parallel port as an I2C bus with 1240 no extra chipset is supported by this driver, or could be. Please 1241 read the file Documentation/i2c/busses/i2c-parport.rst for details. 1242 1243 This support is also available as a module. If so, the module 1244 will be called i2c-parport. 1245 1246config I2C_ROBOTFUZZ_OSIF 1247 tristate "RobotFuzz Open Source InterFace USB adapter" 1248 depends on USB 1249 help 1250 If you say yes to this option, support will be included for the 1251 RobotFuzz Open Source InterFace USB to I2C interface. 1252 1253 This driver can also be built as a module. If so, the module 1254 will be called i2c-osif. 1255 1256config I2C_TAOS_EVM 1257 tristate "TAOS evaluation module" 1258 depends on TTY 1259 select SERIO 1260 select SERIO_SERPORT 1261 help 1262 This supports TAOS evaluation modules on serial port. In order to 1263 use this driver, you will need the inputattach tool, which is part 1264 of the input-utils package. 1265 1266 If unsure, say N. 1267 1268 This support is also available as a module. If so, the module 1269 will be called i2c-taos-evm. 1270 1271config I2C_TINY_USB 1272 tristate "Tiny-USB adapter" 1273 depends on USB 1274 help 1275 If you say yes to this option, support will be included for the 1276 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1277 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1278 1279 This driver can also be built as a module. If so, the module 1280 will be called i2c-tiny-usb. 1281 1282config I2C_VIPERBOARD 1283 tristate "Viperboard I2C master support" 1284 depends on MFD_VIPERBOARD && USB 1285 help 1286 Say yes here to access the I2C part of the Nano River 1287 Technologies Viperboard as I2C master. 1288 See viperboard API specification and Nano 1289 River Tech's viperboard.h for detailed meaning 1290 of the module parameters. 1291 1292comment "Other I2C/SMBus bus drivers" 1293 1294config I2C_ACORN 1295 tristate "Acorn IOC/IOMD I2C bus support" 1296 depends on ARCH_ACORN 1297 default y 1298 select I2C_ALGOBIT 1299 help 1300 Say yes if you want to support the I2C bus on Acorn platforms. 1301 1302 If you don't know, say Y. 1303 1304config I2C_ELEKTOR 1305 tristate "Elektor ISA card" 1306 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1307 select I2C_ALGOPCF 1308 help 1309 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1310 such an adapter. 1311 1312 This support is also available as a module. If so, the module 1313 will be called i2c-elektor. 1314 1315config I2C_ICY 1316 tristate "ICY Zorro card" 1317 depends on ZORRO 1318 select I2C_ALGOPCF 1319 help 1320 This supports the PCF8584 Zorro bus I2C adapter, known as ICY. 1321 Say Y if you own such an adapter. 1322 1323 This support is also available as a module. If so, the module 1324 will be called i2c-icy. 1325 1326 If you have a 2019 edition board with an LTC2990 sensor at address 1327 0x4c, loading the module 'ltc2990' is sufficient to enable it. 1328 1329config I2C_MLXCPLD 1330 tristate "Mellanox I2C driver" 1331 depends on X86_64 || COMPILE_TEST 1332 help 1333 This exposes the Mellanox platform I2C busses to the linux I2C layer 1334 for X86 based systems. 1335 Controller is implemented as CPLD logic. 1336 1337 This driver can also be built as a module. If so, the module will be 1338 called as i2c-mlxcpld. 1339 1340config I2C_PCA_ISA 1341 tristate "PCA9564/PCA9665 on an ISA bus" 1342 depends on ISA 1343 select I2C_ALGOPCA 1344 help 1345 This driver supports ISA boards using the Philips PCA9564/PCA9665 1346 parallel bus to I2C bus controller. 1347 1348 This driver can also be built as a module. If so, the module 1349 will be called i2c-pca-isa. 1350 1351 This device is almost undetectable and using this driver on a 1352 system which doesn't have this device will result in long 1353 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1354 time). If unsure, say N. 1355 1356config I2C_SIBYTE 1357 tristate "SiByte SMBus interface" 1358 depends on SIBYTE_SB1xxx_SOC 1359 help 1360 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1361 1362config I2C_CROS_EC_TUNNEL 1363 tristate "ChromeOS EC tunnel I2C bus" 1364 depends on CROS_EC 1365 help 1366 If you say yes here you get an I2C bus that will tunnel i2c commands 1367 through to the other side of the ChromeOS EC to the i2c bus 1368 connected there. This will work whatever the interface used to 1369 talk to the EC (SPI, I2C or LPC). 1370 1371config I2C_XGENE_SLIMPRO 1372 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1373 depends on ARCH_XGENE && MAILBOX 1374 help 1375 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1376 co-processor. The I2C device access the I2C bus via the X-Gene 1377 to SLIMpro (On chip coprocessor) mailbox mechanism. 1378 If unsure, say N. 1379 1380config SCx200_ACB 1381 tristate "Geode ACCESS.bus support" 1382 depends on X86_32 && PCI 1383 help 1384 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1385 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1386 1387 If you don't know what to do here, say N. 1388 1389 This support is also available as a module. If so, the module 1390 will be called scx200_acb. 1391 1392config I2C_OPAL 1393 tristate "IBM OPAL I2C driver" 1394 depends on PPC_POWERNV 1395 default y 1396 help 1397 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1398 the driver is based on the OPAL interfaces. 1399 1400 This driver can also be built as a module. If so, the module will be 1401 called as i2c-opal. 1402 1403config I2C_ZX2967 1404 tristate "ZTE ZX2967 I2C support" 1405 depends on ARCH_ZX 1406 default y 1407 help 1408 Selecting this option will add ZX2967 I2C driver. 1409 This driver can also be built as a module. If so, the module will be 1410 called i2c-zx2967. 1411 1412config I2C_FSI 1413 tristate "FSI I2C driver" 1414 depends on FSI 1415 help 1416 Driver for FSI bus attached I2C masters. These are I2C masters that 1417 are connected to the system over an FSI bus, instead of the more 1418 common PCI or MMIO interface. 1419 1420 This driver can also be built as a module. If so, the module will be 1421 called as i2c-fsi. 1422 1423endmenu 1424