1# 2# Sensor device configuration 3# 4 5menu "I2C Hardware Bus support" 6 depends on HAS_IOMEM 7 8comment "PC SMBus host controller drivers" 9 depends on PCI 10 11config I2C_ALI1535 12 tristate "ALI 1535" 13 depends on PCI 14 help 15 If you say yes to this option, support will be included for the SMB 16 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB 17 controller is part of the 7101 device, which is an ACPI-compliant 18 Power Management Unit (PMU). 19 20 This driver can also be built as a module. If so, the module 21 will be called i2c-ali1535. 22 23config I2C_ALI1563 24 tristate "ALI 1563" 25 depends on PCI 26 help 27 If you say yes to this option, support will be included for the SMB 28 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB 29 controller is part of the 7101 device, which is an ACPI-compliant 30 Power Management Unit (PMU). 31 32 This driver can also be built as a module. If so, the module 33 will be called i2c-ali1563. 34 35config I2C_ALI15X3 36 tristate "ALI 15x3" 37 depends on PCI 38 help 39 If you say yes to this option, support will be included for the 40 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces. 41 42 This driver can also be built as a module. If so, the module 43 will be called i2c-ali15x3. 44 45config I2C_AMD756 46 tristate "AMD 756/766/768/8111 and nVidia nForce" 47 depends on PCI 48 help 49 If you say yes to this option, support will be included for the AMD 50 756/766/768 mainboard I2C interfaces. The driver also includes 51 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and 52 the nVidia nForce I2C interface. 53 54 This driver can also be built as a module. If so, the module 55 will be called i2c-amd756. 56 57config I2C_AMD756_S4882 58 tristate "SMBus multiplexing on the Tyan S4882" 59 depends on I2C_AMD756 && X86 60 help 61 Enabling this option will add specific SMBus support for the Tyan 62 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed 63 over 8 different channels, where the various memory module EEPROMs 64 and temperature sensors live. Saying yes here will give you access 65 to these in addition to the trunk. 66 67 This driver can also be built as a module. If so, the module 68 will be called i2c-amd756-s4882. 69 70config I2C_AMD8111 71 tristate "AMD 8111" 72 depends on PCI 73 help 74 If you say yes to this option, support will be included for the 75 second (SMBus 2.0) AMD 8111 mainboard I2C interface. 76 77 This driver can also be built as a module. If so, the module 78 will be called i2c-amd8111. 79 80config I2C_HIX5HD2 81 tristate "Hix5hd2 high-speed I2C driver" 82 depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST 83 help 84 Say Y here to include support for the high-speed I2C controller 85 used in HiSilicon hix5hd2 SoCs. 86 87 This driver can also be built as a module. If so, the module 88 will be called i2c-hix5hd2. 89 90config I2C_I801 91 tristate "Intel 82801 (ICH/PCH)" 92 depends on PCI 93 select CHECK_SIGNATURE if X86 && DMI 94 select I2C_SMBUS 95 help 96 If you say yes to this option, support will be included for the Intel 97 801 family of mainboard I2C interfaces. Specifically, the following 98 versions of the chipset are supported: 99 82801AA 100 82801AB 101 82801BA 102 82801CA/CAM 103 82801DB 104 82801EB/ER (ICH5/ICH5R) 105 6300ESB 106 ICH6 107 ICH7 108 ESB2 109 ICH8 110 ICH9 111 EP80579 (Tolapai) 112 ICH10 113 5/3400 Series (PCH) 114 6 Series (PCH) 115 Patsburg (PCH) 116 DH89xxCC (PCH) 117 Panther Point (PCH) 118 Lynx Point (PCH) 119 Avoton (SOC) 120 Wellsburg (PCH) 121 Coleto Creek (PCH) 122 Wildcat Point (PCH) 123 BayTrail (SOC) 124 Braswell (SOC) 125 Sunrise Point (PCH) 126 Kaby Lake (PCH) 127 DNV (SOC) 128 Broxton (SOC) 129 Lewisburg (PCH) 130 Gemini Lake (SOC) 131 Cannon Lake (PCH) 132 Cedar Fork (PCH) 133 Ice Lake (PCH) 134 Comet Lake (PCH) 135 136 This driver can also be built as a module. If so, the module 137 will be called i2c-i801. 138 139config I2C_ISCH 140 tristate "Intel SCH SMBus 1.0" 141 depends on PCI 142 select LPC_SCH 143 help 144 Say Y here if you want to use SMBus controller on the Intel SCH 145 based systems. 146 147 This driver can also be built as a module. If so, the module 148 will be called i2c-isch. 149 150config I2C_ISMT 151 tristate "Intel iSMT SMBus Controller" 152 depends on PCI && X86 153 help 154 If you say yes to this option, support will be included for the Intel 155 iSMT SMBus host controller interface. 156 157 This driver can also be built as a module. If so, the module will be 158 called i2c-ismt. 159 160config I2C_PIIX4 161 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 162 depends on PCI 163 help 164 If you say yes to this option, support will be included for the Intel 165 PIIX4 family of mainboard I2C interfaces. Specifically, the following 166 versions of the chipset are supported (note that Serverworks is part 167 of Broadcom): 168 Intel PIIX4 169 Intel 440MX 170 ATI IXP200 171 ATI IXP300 172 ATI IXP400 173 ATI SB600 174 ATI SB700/SP5100 175 ATI SB800 176 AMD Hudson-2 177 AMD ML 178 AMD CZ 179 Serverworks OSB4 180 Serverworks CSB5 181 Serverworks CSB6 182 Serverworks HT-1000 183 Serverworks HT-1100 184 SMSC Victory66 185 186 Some AMD chipsets contain two PIIX4-compatible SMBus 187 controllers. This driver will attempt to use both controllers 188 on the SB700/SP5100, if they have been initialized by the BIOS. 189 190 This driver can also be built as a module. If so, the module 191 will be called i2c-piix4. 192 193config I2C_CHT_WC 194 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 195 depends on INTEL_SOC_PMIC_CHTWC 196 help 197 If you say yes to this option, support will be included for the 198 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 199 found on some Intel Cherry Trail systems. 200 201 Note this controller is hooked up to a TI bq24292i charger-IC, 202 combined with a FUSB302 Type-C port-controller as such it is advised 203 to also select CONFIG_TYPEC_FUSB302=m. 204 205config I2C_NFORCE2 206 tristate "Nvidia nForce2, nForce3 and nForce4" 207 depends on PCI 208 help 209 If you say yes to this option, support will be included for the Nvidia 210 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 211 212 This driver can also be built as a module. If so, the module 213 will be called i2c-nforce2. 214 215config I2C_NFORCE2_S4985 216 tristate "SMBus multiplexing on the Tyan S4985" 217 depends on I2C_NFORCE2 && X86 218 help 219 Enabling this option will add specific SMBus support for the Tyan 220 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed 221 over 4 different channels, where the various memory module EEPROMs 222 live. Saying yes here will give you access to these in addition 223 to the trunk. 224 225 This driver can also be built as a module. If so, the module 226 will be called i2c-nforce2-s4985. 227 228config I2C_SIS5595 229 tristate "SiS 5595" 230 depends on PCI 231 help 232 If you say yes to this option, support will be included for the 233 SiS5595 SMBus (a subset of I2C) interface. 234 235 This driver can also be built as a module. If so, the module 236 will be called i2c-sis5595. 237 238config I2C_SIS630 239 tristate "SiS 630/730/964" 240 depends on PCI 241 help 242 If you say yes to this option, support will be included for the 243 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 244 245 This driver can also be built as a module. If so, the module 246 will be called i2c-sis630. 247 248config I2C_SIS96X 249 tristate "SiS 96x" 250 depends on PCI 251 help 252 If you say yes to this option, support will be included for the SiS 253 96x SMBus (a subset of I2C) interfaces. Specifically, the following 254 chipsets are supported: 255 645/961 256 645DX/961 257 645DX/962 258 648/961 259 650/961 260 735 261 745 262 263 This driver can also be built as a module. If so, the module 264 will be called i2c-sis96x. 265 266config I2C_VIA 267 tristate "VIA VT82C586B" 268 depends on PCI 269 select I2C_ALGOBIT 270 help 271 If you say yes to this option, support will be included for the VIA 272 82C586B I2C interface 273 274 This driver can also be built as a module. If so, the module 275 will be called i2c-via. 276 277config I2C_VIAPRO 278 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 279 depends on PCI 280 help 281 If you say yes to this option, support will be included for the VIA 282 VT82C596 and later SMBus interface. Specifically, the following 283 chipsets are supported: 284 VT82C596A/B 285 VT82C686A/B 286 VT8231 287 VT8233/A 288 VT8235 289 VT8237R/A/S 290 VT8251 291 CX700 292 VX800/VX820 293 VX855/VX875 294 VX900 295 296 This driver can also be built as a module. If so, the module 297 will be called i2c-viapro. 298 299if ACPI 300 301comment "ACPI drivers" 302 303config I2C_SCMI 304 tristate "SMBus Control Method Interface" 305 help 306 This driver supports the SMBus Control Method Interface. It needs the 307 BIOS to declare ACPI control methods as described in the SMBus Control 308 Method Interface specification. 309 310 To compile this driver as a module, choose M here: 311 the module will be called i2c-scmi. 312 313endif # ACPI 314 315comment "Mac SMBus host controller drivers" 316 depends on PPC_CHRP || PPC_PMAC 317 318config I2C_HYDRA 319 tristate "CHRP Apple Hydra Mac I/O I2C interface" 320 depends on PCI && PPC_CHRP 321 select I2C_ALGOBIT 322 help 323 This supports the use of the I2C interface in the Apple Hydra Mac 324 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 325 have such a machine. 326 327 This support is also available as a module. If so, the module 328 will be called i2c-hydra. 329 330config I2C_POWERMAC 331 tristate "Powermac I2C interface" 332 depends on PPC_PMAC 333 default y 334 help 335 This exposes the various PowerMac i2c interfaces to the linux i2c 336 layer and to userland. It is used by various drivers on the PowerMac 337 platform, and should generally be enabled. 338 339 This support is also available as a module. If so, the module 340 will be called i2c-powermac. 341 342comment "I2C system bus drivers (mostly embedded / system-on-chip)" 343 344config I2C_ALTERA 345 tristate "Altera Soft IP I2C" 346 depends on (ARCH_SOCFPGA || NIOS2) && OF 347 help 348 If you say yes to this option, support will be included for the 349 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 350 351 This driver can also be built as a module. If so, the module 352 will be called i2c-altera. 353 354config I2C_ASPEED 355 tristate "Aspeed I2C Controller" 356 depends on ARCH_ASPEED || COMPILE_TEST 357 help 358 If you say yes to this option, support will be included for the 359 Aspeed I2C controller. 360 361 This driver can also be built as a module. If so, the module 362 will be called i2c-aspeed. 363 364config I2C_AT91 365 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 366 depends on ARCH_AT91 367 help 368 This supports the use of the I2C interface on Atmel AT91 369 processors. 370 371 A serious problem is that there is no documented way to issue 372 repeated START conditions for more than two messages, as needed 373 to support combined I2C messages. Use the i2c-gpio driver 374 unless your system can cope with this limitation. 375 376 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 377 don't have clock stretching in transmission mode. For that reason, 378 you can encounter underrun issues causing premature stop sendings if 379 the latency to fill the transmission register is too long. If you 380 are facing this situation, use the i2c-gpio driver. 381 382config I2C_AU1550 383 tristate "Au1550/Au1200/Au1300 SMBus interface" 384 depends on MIPS_ALCHEMY 385 help 386 If you say yes to this option, support will be included for the 387 Au1550/Au1200/Au1300 SMBus interface. 388 389 This driver can also be built as a module. If so, the module 390 will be called i2c-au1550. 391 392config I2C_AXXIA 393 tristate "Axxia I2C controller" 394 depends on ARCH_AXXIA || COMPILE_TEST 395 default ARCH_AXXIA 396 help 397 Say yes if you want to support the I2C bus on Axxia platforms. 398 399 Please note that this controller is limited to transfers of maximum 400 255 bytes in length. Any attempt to to a larger transfer will return 401 an error. 402 403config I2C_BCM2835 404 tristate "Broadcom BCM2835 I2C controller" 405 depends on ARCH_BCM2835 406 help 407 If you say yes to this option, support will be included for the 408 BCM2835 I2C controller. 409 410 If you don't know what to do here, say N. 411 412 This support is also available as a module. If so, the module 413 will be called i2c-bcm2835. 414 415config I2C_BCM_IPROC 416 tristate "Broadcom iProc I2C controller" 417 depends on ARCH_BCM_IPROC || COMPILE_TEST 418 default ARCH_BCM_IPROC 419 help 420 If you say yes to this option, support will be included for the 421 Broadcom iProc I2C controller. 422 423 If you don't know what to do here, say N. 424 425config I2C_BCM_KONA 426 tristate "BCM Kona I2C adapter" 427 depends on ARCH_BCM_MOBILE 428 default y 429 help 430 If you say yes to this option, support will be included for the 431 I2C interface on the Broadcom Kona family of processors. 432 433 If you do not need KONA I2C interface, say N. 434 435config I2C_BRCMSTB 436 tristate "BRCM Settop/DSL I2C controller" 437 depends on ARCH_BRCMSTB || BMIPS_GENERIC || ARCH_BCM_63XX || \ 438 COMPILE_TEST 439 default y 440 help 441 If you say yes to this option, support will be included for the 442 I2C interface on the Broadcom Settop/DSL SoCs. 443 444 If you do not need I2C interface, say N. 445 446config I2C_CADENCE 447 tristate "Cadence I2C Controller" 448 depends on ARCH_ZYNQ || ARM64 || XTENSA || COMPILE_TEST 449 help 450 Say yes here to select Cadence I2C Host Controller. This controller is 451 e.g. used by Xilinx Zynq. 452 453config I2C_CBUS_GPIO 454 tristate "CBUS I2C driver" 455 depends on GPIOLIB || COMPILE_TEST 456 help 457 Support for CBUS access using I2C API. Mostly relevant for Nokia 458 Internet Tablets (770, N800 and N810). 459 460 This driver can also be built as a module. If so, the module 461 will be called i2c-cbus-gpio. 462 463config I2C_CPM 464 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 465 depends on CPM1 || CPM2 466 help 467 This supports the use of the I2C interface on Freescale 468 processors with CPM1 or CPM2. 469 470 This driver can also be built as a module. If so, the module 471 will be called i2c-cpm. 472 473config I2C_DAVINCI 474 tristate "DaVinci I2C driver" 475 depends on ARCH_DAVINCI || ARCH_KEYSTONE 476 help 477 Support for TI DaVinci I2C controller driver. 478 479 This driver can also be built as a module. If so, the module 480 will be called i2c-davinci. 481 482 Please note that this driver might be needed to bring up other 483 devices such as DaVinci NIC. 484 For details please see http://www.ti.com/davinci 485 486config I2C_DESIGNWARE_CORE 487 tristate 488 489config I2C_DESIGNWARE_PLATFORM 490 tristate "Synopsys DesignWare Platform" 491 select I2C_DESIGNWARE_CORE 492 depends on (ACPI && COMMON_CLK) || !ACPI 493 help 494 If you say yes to this option, support will be included for the 495 Synopsys DesignWare I2C adapter. 496 497 This driver can also be built as a module. If so, the module 498 will be called i2c-designware-platform. 499 500config I2C_DESIGNWARE_SLAVE 501 bool "Synopsys DesignWare Slave" 502 select I2C_SLAVE 503 depends on I2C_DESIGNWARE_PLATFORM 504 help 505 If you say yes to this option, support will be included for the 506 Synopsys DesignWare I2C slave adapter. 507 508 This is not a standalone module, this module compiles together with 509 i2c-designware-core. 510 511config I2C_DESIGNWARE_PCI 512 tristate "Synopsys DesignWare PCI" 513 depends on PCI 514 select I2C_DESIGNWARE_CORE 515 help 516 If you say yes to this option, support will be included for the 517 Synopsys DesignWare I2C adapter. Only master mode is supported. 518 519 This driver can also be built as a module. If so, the module 520 will be called i2c-designware-pci. 521 522config I2C_DESIGNWARE_BAYTRAIL 523 bool "Intel Baytrail I2C semaphore support" 524 depends on ACPI 525 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 526 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 527 help 528 This driver enables managed host access to the PMIC I2C bus on select 529 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 530 the host to request uninterrupted access to the PMIC's I2C bus from 531 the platform firmware controlling it. You should say Y if running on 532 a BayTrail system using the AXP288. 533 534config I2C_DIGICOLOR 535 tristate "Conexant Digicolor I2C driver" 536 depends on ARCH_DIGICOLOR 537 help 538 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 539 540 This driver can also be built as a module. If so, the module 541 will be called i2c-digicolor. 542 543config I2C_EFM32 544 tristate "EFM32 I2C controller" 545 depends on ARCH_EFM32 || COMPILE_TEST 546 help 547 This driver supports the i2c block found in Energy Micro's EFM32 548 SoCs. 549 550config I2C_EG20T 551 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 552 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 553 help 554 This driver is for PCH(Platform controller Hub) I2C of EG20T which 555 is an IOH(Input/Output Hub) for x86 embedded processor. 556 This driver can access PCH I2C bus device. 557 558 This driver also can be used for LAPIS Semiconductor IOH(Input/ 559 Output Hub), ML7213, ML7223 and ML7831. 560 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 561 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 562 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 563 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 564 565config I2C_EMEV2 566 tristate "EMMA Mobile series I2C adapter" 567 depends on HAVE_CLK 568 select I2C_SLAVE 569 help 570 If you say yes to this option, support will be included for the 571 I2C interface on the Renesas Electronics EM/EV family of processors. 572 573config I2C_EXYNOS5 574 tristate "Exynos5 high-speed I2C driver" 575 depends on ARCH_EXYNOS && OF 576 default y 577 help 578 High-speed I2C controller on Exynos5 based Samsung SoCs. 579 580config I2C_GPIO 581 tristate "GPIO-based bitbanging I2C" 582 depends on GPIOLIB || COMPILE_TEST 583 select I2C_ALGOBIT 584 help 585 This is a very simple bitbanging I2C driver utilizing the 586 arch-neutral GPIO API to control the SCL and SDA lines. 587 588config I2C_GPIO_FAULT_INJECTOR 589 bool "GPIO-based fault injector" 590 depends on I2C_GPIO 591 help 592 This adds some functionality to the i2c-gpio driver which can inject 593 faults to an I2C bus, so another bus master can be stress-tested. 594 This is for debugging. If unsure, say 'no'. 595 596config I2C_HIGHLANDER 597 tristate "Highlander FPGA SMBus interface" 598 depends on SH_HIGHLANDER 599 help 600 If you say yes to this option, support will be included for 601 the SMBus interface located in the FPGA on various Highlander 602 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 603 FPGAs. This is wholly unrelated to the SoC I2C. 604 605 This driver can also be built as a module. If so, the module 606 will be called i2c-highlander. 607 608config I2C_IBM_IIC 609 tristate "IBM PPC 4xx on-chip I2C interface" 610 depends on 4xx 611 help 612 Say Y here if you want to use IIC peripheral found on 613 embedded IBM PPC 4xx based systems. 614 615 This driver can also be built as a module. If so, the module 616 will be called i2c-ibm_iic. 617 618config I2C_IMG 619 tristate "Imagination Technologies I2C SCB Controller" 620 depends on MIPS || COMPILE_TEST 621 help 622 Say Y here if you want to use the IMG I2C SCB controller, 623 available on the TZ1090 and other IMG SoCs. 624 625 This driver can also be built as a module. If so, the module 626 will be called i2c-img-scb. 627 628config I2C_IMX 629 tristate "IMX I2C interface" 630 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE 631 help 632 Say Y here if you want to use the IIC bus controller on 633 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 634 635 This driver can also be built as a module. If so, the module 636 will be called i2c-imx. 637 638config I2C_IMX_LPI2C 639 tristate "IMX Low Power I2C interface" 640 depends on ARCH_MXC || COMPILE_TEST 641 help 642 Say Y here if you want to use the Low Power IIC bus controller 643 on the Freescale i.MX processors. 644 645 This driver can also be built as a module. If so, the module 646 will be called i2c-imx-lpi2c. 647 648config I2C_IOP3XX 649 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" 650 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX 651 help 652 Say Y here if you want to use the IIC bus controller on 653 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. 654 655 This driver can also be built as a module. If so, the module 656 will be called i2c-iop3xx. 657 658config I2C_JZ4780 659 tristate "JZ4780 I2C controller interface support" 660 depends on MACH_JZ4780 || COMPILE_TEST 661 help 662 If you say yes to this option, support will be included for the 663 Ingenic JZ4780 I2C controller. 664 665 If you don't know what to do here, say N. 666 667config I2C_KEMPLD 668 tristate "Kontron COM I2C Controller" 669 depends on MFD_KEMPLD 670 help 671 This enables support for the I2C bus interface on some Kontron ETX 672 and COMexpress (ETXexpress) modules. 673 674 This driver can also be built as a module. If so, the module 675 will be called i2c-kempld. 676 677config I2C_LPC2K 678 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 679 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 680 help 681 This driver supports the I2C interface found several NXP 682 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 683 684 This driver can also be built as a module. If so, the module 685 will be called i2c-lpc2k. 686 687config I2C_MESON 688 tristate "Amlogic Meson I2C controller" 689 depends on ARCH_MESON || COMPILE_TEST 690 help 691 If you say yes to this option, support will be included for the 692 I2C interface on the Amlogic Meson family of SoCs. 693 694config I2C_MPC 695 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 696 depends on PPC 697 help 698 If you say yes to this option, support will be included for the 699 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 700 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 701 702 This driver can also be built as a module. If so, the module 703 will be called i2c-mpc. 704 705config I2C_MT65XX 706 tristate "MediaTek I2C adapter" 707 depends on ARCH_MEDIATEK || COMPILE_TEST 708 help 709 This selects the MediaTek(R) Integrated Inter Circuit bus driver 710 for MT65xx and MT81xx. 711 If you want to use MediaTek(R) I2C interface, say Y or M here. 712 If unsure, say N. 713 714config I2C_MV64XXX 715 tristate "Marvell mv64xxx I2C Controller" 716 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU 717 help 718 If you say yes to this option, support will be included for the 719 built-in I2C interface on the Marvell 64xxx line of host bridges. 720 This driver is also used for Allwinner SoCs I2C controllers. 721 722 This driver can also be built as a module. If so, the module 723 will be called i2c-mv64xxx. 724 725config I2C_MXS 726 tristate "Freescale i.MX28 I2C interface" 727 depends on SOC_IMX28 728 select STMP_DEVICE 729 help 730 Say Y here if you want to use the I2C bus controller on 731 the Freescale i.MX28 processors. 732 733 This driver can also be built as a module. If so, the module 734 will be called i2c-mxs. 735 736config I2C_NOMADIK 737 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 738 depends on ARM_AMBA 739 help 740 If you say yes to this option, support will be included for the 741 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 742 as well as the STA2X11 PCIe I/O HUB. 743 744config I2C_OCORES 745 tristate "OpenCores I2C Controller" 746 help 747 If you say yes to this option, support will be included for the 748 OpenCores I2C controller. For details see 749 http://www.opencores.org/projects.cgi/web/i2c/overview 750 751 This driver can also be built as a module. If so, the module 752 will be called i2c-ocores. 753 754config I2C_OMAP 755 tristate "OMAP I2C adapter" 756 depends on ARCH_OMAP || ARCH_K3 757 default y if MACH_OMAP_H3 || MACH_OMAP_OSK 758 help 759 If you say yes to this option, support will be included for the 760 I2C interface on the Texas Instruments OMAP1/2 family of processors. 761 Like OMAP1510/1610/1710/5912 and OMAP242x. 762 For details see http://www.ti.com/omap. 763 764config I2C_OWL 765 tristate "Actions Semiconductor Owl I2C Controller" 766 depends on ARCH_ACTIONS || COMPILE_TEST 767 help 768 Say Y here if you want to use the I2C bus controller on 769 the Actions Semiconductor Owl SoC's. 770 771config I2C_PASEMI 772 tristate "PA Semi SMBus interface" 773 depends on PPC_PASEMI && PCI 774 help 775 Supports the PA Semi PWRficient on-chip SMBus interfaces. 776 777config I2C_PCA_PLATFORM 778 tristate "PCA9564/PCA9665 as platform device" 779 select I2C_ALGOPCA 780 default n 781 help 782 This driver supports a memory mapped Philips PCA9564/PCA9665 783 parallel bus to I2C bus controller. 784 785 This driver can also be built as a module. If so, the module 786 will be called i2c-pca-platform. 787 788config I2C_PMCMSP 789 tristate "PMC MSP I2C TWI Controller" 790 depends on PMC_MSP 791 help 792 This driver supports the PMC TWI controller on MSP devices. 793 794 This driver can also be built as module. If so, the module 795 will be called i2c-pmcmsp. 796 797config I2C_PNX 798 tristate "I2C bus support for Philips PNX and NXP LPC targets" 799 depends on ARCH_LPC32XX 800 help 801 This driver supports the Philips IP3204 I2C IP block master and/or 802 slave controller 803 804 This driver can also be built as a module. If so, the module 805 will be called i2c-pnx. 806 807config I2C_PUV3 808 tristate "PKUnity v3 I2C bus support" 809 depends on UNICORE32 && ARCH_PUV3 810 select I2C_ALGOBIT 811 help 812 This driver supports the I2C IP inside the PKUnity-v3 SoC. 813 This I2C bus controller is under AMBA/AXI bus. 814 815 This driver can also be built as a module. If so, the module 816 will be called i2c-puv3. 817 818config I2C_PXA 819 tristate "Intel PXA2XX I2C adapter" 820 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) 821 help 822 If you have devices in the PXA I2C bus, say yes to this option. 823 This driver can also be built as a module. If so, the module 824 will be called i2c-pxa. 825 826config I2C_PXA_PCI 827 def_bool I2C_PXA && X86_32 && PCI && OF 828 829config I2C_PXA_SLAVE 830 bool "Intel PXA2XX I2C Slave comms support" 831 depends on I2C_PXA && !X86_32 832 help 833 Support I2C slave mode communications on the PXA I2C bus. This 834 is necessary for systems where the PXA may be a target on the 835 I2C bus. 836 837config I2C_QCOM_GENI 838 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 839 depends on ARCH_QCOM || COMPILE_TEST 840 depends on QCOM_GENI_SE 841 help 842 This driver supports GENI serial engine based I2C controller in 843 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 844 yes to this option, support will be included for the built-in I2C 845 interface on the Qualcomm Technologies Inc.'s SoCs. 846 847 This driver can also be built as a module. If so, the module 848 will be called i2c-qcom-geni. 849 850config I2C_QUP 851 tristate "Qualcomm QUP based I2C controller" 852 depends on ARCH_QCOM || COMPILE_TEST 853 help 854 If you say yes to this option, support will be included for the 855 built-in I2C interface on the Qualcomm SoCs. 856 857 This driver can also be built as a module. If so, the module 858 will be called i2c-qup. 859 860config I2C_RIIC 861 tristate "Renesas RIIC adapter" 862 depends on ARCH_RENESAS || COMPILE_TEST 863 help 864 If you say yes to this option, support will be included for the 865 Renesas RIIC I2C interface. 866 867 This driver can also be built as a module. If so, the module 868 will be called i2c-riic. 869 870config I2C_RK3X 871 tristate "Rockchip RK3xxx I2C adapter" 872 depends on OF && COMMON_CLK 873 help 874 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 875 SoCs. 876 877 This driver can also be built as a module. If so, the module will 878 be called i2c-rk3x. 879 880config HAVE_S3C2410_I2C 881 bool 882 help 883 This will include I2C support for Samsung SoCs. If you want to 884 include I2C support for any machine, kindly select this in the 885 respective Kconfig file. 886 887config I2C_S3C2410 888 tristate "S3C2410 I2C Driver" 889 depends on HAVE_S3C2410_I2C 890 help 891 Say Y here to include support for I2C controller in the 892 Samsung SoCs. 893 894config I2C_SH7760 895 tristate "Renesas SH7760 I2C Controller" 896 depends on CPU_SUBTYPE_SH7760 897 help 898 This driver supports the 2 I2C interfaces on the Renesas SH7760. 899 900 This driver can also be built as a module. If so, the module 901 will be called i2c-sh7760. 902 903config I2C_SH_MOBILE 904 tristate "SuperH Mobile I2C Controller" 905 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 906 help 907 If you say yes to this option, support will be included for the 908 built-in I2C interface on the Renesas SH-Mobile processor. 909 910 This driver can also be built as a module. If so, the module 911 will be called i2c-sh_mobile. 912 913config I2C_SIMTEC 914 tristate "Simtec Generic I2C interface" 915 select I2C_ALGOBIT 916 help 917 If you say yes to this option, support will be included for 918 the Simtec Generic I2C interface. This driver is for the 919 simple I2C bus used on newer Simtec products for general 920 I2C, such as DDC on the Simtec BBD2016A. 921 922 This driver can also be built as a module. If so, the module 923 will be called i2c-simtec. 924 925config I2C_SIRF 926 tristate "CSR SiRFprimaII I2C interface" 927 depends on ARCH_SIRF 928 help 929 If you say yes to this option, support will be included for the 930 CSR SiRFprimaII I2C interface. 931 932 This driver can also be built as a module. If so, the module 933 will be called i2c-sirf. 934 935config I2C_SPRD 936 bool "Spreadtrum I2C interface" 937 depends on I2C=y && ARCH_SPRD 938 help 939 If you say yes to this option, support will be included for the 940 Spreadtrum I2C interface. 941 942config I2C_ST 943 tristate "STMicroelectronics SSC I2C support" 944 depends on ARCH_STI 945 help 946 Enable this option to add support for STMicroelectronics SoCs 947 hardware SSC (Synchronous Serial Controller) as an I2C controller. 948 949 This driver can also be built as module. If so, the module 950 will be called i2c-st. 951 952config I2C_STM32F4 953 tristate "STMicroelectronics STM32F4 I2C support" 954 depends on ARCH_STM32 || COMPILE_TEST 955 help 956 Enable this option to add support for STM32 I2C controller embedded 957 in STM32F4 SoCs. 958 959 This driver can also be built as module. If so, the module 960 will be called i2c-stm32f4. 961 962config I2C_STM32F7 963 tristate "STMicroelectronics STM32F7 I2C support" 964 depends on ARCH_STM32 || COMPILE_TEST 965 select I2C_SLAVE 966 help 967 Enable this option to add support for STM32 I2C controller embedded 968 in STM32F7 SoCs. 969 970 This driver can also be built as module. If so, the module 971 will be called i2c-stm32f7. 972 973config I2C_STU300 974 tristate "ST Microelectronics DDC I2C interface" 975 depends on MACH_U300 976 default y if MACH_U300 977 help 978 If you say yes to this option, support will be included for the 979 I2C interface from ST Microelectronics simply called "DDC I2C" 980 supporting both I2C and DDC, used in e.g. the U300 series 981 mobile platforms. 982 983 This driver can also be built as a module. If so, the module 984 will be called i2c-stu300. 985 986config I2C_SUN6I_P2WI 987 tristate "Allwinner sun6i internal P2WI controller" 988 depends on RESET_CONTROLLER 989 depends on MACH_SUN6I || COMPILE_TEST 990 help 991 If you say yes to this option, support will be included for the 992 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 993 SOCs. 994 The P2WI looks like an SMBus controller (which supports only byte 995 accesses), except that it only supports one slave device. 996 This interface is used to connect to specific PMIC devices (like the 997 AXP221). 998 999config I2C_SYNQUACER 1000 tristate "Socionext SynQuacer I2C controller" 1001 depends on ARCH_SYNQUACER || COMPILE_TEST 1002 help 1003 Say Y here to include support for the I2C controller used in some 1004 Fujitsu and Socionext SoCs. 1005 1006 This driver can also be built as a module. If so, the module 1007 will be called i2c-synquacer. 1008 1009config I2C_TEGRA 1010 tristate "NVIDIA Tegra internal I2C controller" 1011 depends on ARCH_TEGRA 1012 help 1013 If you say yes to this option, support will be included for the 1014 I2C controller embedded in NVIDIA Tegra SOCs 1015 1016config I2C_TEGRA_BPMP 1017 tristate "NVIDIA Tegra BPMP I2C controller" 1018 depends on TEGRA_BPMP 1019 default y 1020 help 1021 If you say yes to this option, support will be included for the I2C 1022 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1023 1024 This I2C driver is a 'virtual' I2C driver. The real driver is part 1025 of the BPMP firmware, and this driver merely communicates with that 1026 real driver. 1027 1028config I2C_UNIPHIER 1029 tristate "UniPhier FIFO-less I2C controller" 1030 depends on ARCH_UNIPHIER || COMPILE_TEST 1031 help 1032 If you say yes to this option, support will be included for 1033 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1034 or older UniPhier SoCs. 1035 1036config I2C_UNIPHIER_F 1037 tristate "UniPhier FIFO-builtin I2C controller" 1038 depends on ARCH_UNIPHIER || COMPILE_TEST 1039 help 1040 If you say yes to this option, support will be included for 1041 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1042 PH1-Pro5, or newer UniPhier SoCs. 1043 1044config I2C_VERSATILE 1045 tristate "ARM Versatile/Realview I2C bus support" 1046 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1047 select I2C_ALGOBIT 1048 help 1049 Say yes if you want to support the I2C serial bus on ARMs Versatile 1050 range of platforms. 1051 1052 This driver can also be built as a module. If so, the module 1053 will be called i2c-versatile. 1054 1055config I2C_WMT 1056 tristate "Wondermedia WM8xxx SoC I2C bus support" 1057 depends on ARCH_VT8500 1058 help 1059 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1060 SoCs. 1061 1062 This driver can also be built as a module. If so, the module will be 1063 called i2c-wmt. 1064 1065config I2C_OCTEON 1066 tristate "Cavium OCTEON I2C bus support" 1067 depends on CAVIUM_OCTEON_SOC 1068 help 1069 Say yes if you want to support the I2C serial bus on Cavium 1070 OCTEON SOC. 1071 1072 This driver can also be built as a module. If so, the module 1073 will be called i2c-octeon. 1074 1075config I2C_THUNDERX 1076 tristate "Cavium ThunderX I2C bus support" 1077 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1078 select I2C_SMBUS 1079 help 1080 Say yes if you want to support the I2C serial bus on Cavium 1081 ThunderX SOC. 1082 1083 This driver can also be built as a module. If so, the module 1084 will be called i2c-thunderx. 1085 1086config I2C_XILINX 1087 tristate "Xilinx I2C Controller" 1088 depends on HAS_IOMEM 1089 help 1090 If you say yes to this option, support will be included for the 1091 Xilinx I2C controller. 1092 1093 This driver can also be built as a module. If so, the module 1094 will be called xilinx_i2c. 1095 1096config I2C_XLR 1097 tristate "Netlogic XLR and Sigma Designs I2C support" 1098 depends on CPU_XLR || ARCH_TANGO 1099 help 1100 This driver enables support for the on-chip I2C interface of 1101 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs. 1102 1103 This driver can also be built as a module. If so, the module 1104 will be called i2c-xlr. 1105 1106config I2C_XLP9XX 1107 tristate "XLP9XX I2C support" 1108 depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST 1109 help 1110 This driver enables support for the on-chip I2C interface of 1111 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors. 1112 1113 This driver can also be built as a module. If so, the module will 1114 be called i2c-xlp9xx. 1115 1116config I2C_RCAR 1117 tristate "Renesas R-Car I2C Controller" 1118 depends on ARCH_RENESAS || COMPILE_TEST 1119 select I2C_SLAVE 1120 select RESET_CONTROLLER if ARCH_RCAR_GEN3 1121 help 1122 If you say yes to this option, support will be included for the 1123 R-Car I2C controller. 1124 1125 This driver can also be built as a module. If so, the module 1126 will be called i2c-rcar. 1127 1128comment "External I2C/SMBus adapter drivers" 1129 1130config I2C_DIOLAN_U2C 1131 tristate "Diolan U2C-12 USB adapter" 1132 depends on USB 1133 help 1134 If you say yes to this option, support will be included for Diolan 1135 U2C-12, a USB to I2C interface. 1136 1137 This driver can also be built as a module. If so, the module 1138 will be called i2c-diolan-u2c. 1139 1140config I2C_DLN2 1141 tristate "Diolan DLN-2 USB I2C adapter" 1142 depends on MFD_DLN2 1143 help 1144 If you say yes to this option, support will be included for Diolan 1145 DLN2, a USB to I2C interface. 1146 1147 This driver can also be built as a module. If so, the module 1148 will be called i2c-dln2. 1149 1150config I2C_PARPORT 1151 tristate "Parallel port adapter" 1152 depends on PARPORT 1153 select I2C_ALGOBIT 1154 select I2C_SMBUS 1155 help 1156 This supports parallel port I2C adapters such as the ones made by 1157 Philips or Velleman, Analog Devices evaluation boards, and more. 1158 Basically any adapter using the parallel port as an I2C bus with 1159 no extra chipset is supported by this driver, or could be. 1160 1161 This driver is a replacement for (and was inspired by) an older 1162 driver named i2c-philips-par. The new driver supports more devices, 1163 and makes it easier to add support for new devices. 1164 1165 An adapter type parameter is now mandatory. Please read the file 1166 Documentation/i2c/busses/i2c-parport for details. 1167 1168 Another driver exists, named i2c-parport-light, which doesn't depend 1169 on the parport driver. This is meant for embedded systems. Don't say 1170 Y here if you intend to say Y or M there. 1171 1172 This support is also available as a module. If so, the module 1173 will be called i2c-parport. 1174 1175config I2C_PARPORT_LIGHT 1176 tristate "Parallel port adapter (light)" 1177 select I2C_ALGOBIT 1178 select I2C_SMBUS 1179 help 1180 This supports parallel port I2C adapters such as the ones made by 1181 Philips or Velleman, Analog Devices evaluation boards, and more. 1182 Basically any adapter using the parallel port as an I2C bus with 1183 no extra chipset is supported by this driver, or could be. 1184 1185 This driver is a light version of i2c-parport. It doesn't depend 1186 on the parport driver, and uses direct I/O access instead. This 1187 might be preferred on embedded systems where wasting memory for 1188 the clean but heavy parport handling is not an option. The 1189 drawback is a reduced portability and the impossibility to 1190 daisy-chain other parallel port devices. 1191 1192 Don't say Y here if you said Y or M to i2c-parport. Saying M to 1193 both is possible but both modules should not be loaded at the same 1194 time. 1195 1196 This support is also available as a module. If so, the module 1197 will be called i2c-parport-light. 1198 1199config I2C_ROBOTFUZZ_OSIF 1200 tristate "RobotFuzz Open Source InterFace USB adapter" 1201 depends on USB 1202 help 1203 If you say yes to this option, support will be included for the 1204 RobotFuzz Open Source InterFace USB to I2C interface. 1205 1206 This driver can also be built as a module. If so, the module 1207 will be called i2c-osif. 1208 1209config I2C_TAOS_EVM 1210 tristate "TAOS evaluation module" 1211 depends on TTY 1212 select SERIO 1213 select SERIO_SERPORT 1214 default n 1215 help 1216 This supports TAOS evaluation modules on serial port. In order to 1217 use this driver, you will need the inputattach tool, which is part 1218 of the input-utils package. 1219 1220 If unsure, say N. 1221 1222 This support is also available as a module. If so, the module 1223 will be called i2c-taos-evm. 1224 1225config I2C_TINY_USB 1226 tristate "Tiny-USB adapter" 1227 depends on USB 1228 help 1229 If you say yes to this option, support will be included for the 1230 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1231 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1232 1233 This driver can also be built as a module. If so, the module 1234 will be called i2c-tiny-usb. 1235 1236config I2C_VIPERBOARD 1237 tristate "Viperboard I2C master support" 1238 depends on MFD_VIPERBOARD && USB 1239 help 1240 Say yes here to access the I2C part of the Nano River 1241 Technologies Viperboard as I2C master. 1242 See viperboard API specification and Nano 1243 River Tech's viperboard.h for detailed meaning 1244 of the module parameters. 1245 1246comment "Other I2C/SMBus bus drivers" 1247 1248config I2C_ACORN 1249 tristate "Acorn IOC/IOMD I2C bus support" 1250 depends on ARCH_ACORN 1251 default y 1252 select I2C_ALGOBIT 1253 help 1254 Say yes if you want to support the I2C bus on Acorn platforms. 1255 1256 If you don't know, say Y. 1257 1258config I2C_ELEKTOR 1259 tristate "Elektor ISA card" 1260 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1261 select I2C_ALGOPCF 1262 help 1263 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1264 such an adapter. 1265 1266 This support is also available as a module. If so, the module 1267 will be called i2c-elektor. 1268 1269config I2C_MLXCPLD 1270 tristate "Mellanox I2C driver" 1271 depends on X86_64 1272 help 1273 This exposes the Mellanox platform I2C busses to the linux I2C layer 1274 for X86 based systems. 1275 Controller is implemented as CPLD logic. 1276 1277 This driver can also be built as a module. If so, the module will be 1278 called as i2c-mlxcpld. 1279 1280config I2C_PCA_ISA 1281 tristate "PCA9564/PCA9665 on an ISA bus" 1282 depends on ISA 1283 select I2C_ALGOPCA 1284 default n 1285 help 1286 This driver supports ISA boards using the Philips PCA9564/PCA9665 1287 parallel bus to I2C bus controller. 1288 1289 This driver can also be built as a module. If so, the module 1290 will be called i2c-pca-isa. 1291 1292 This device is almost undetectable and using this driver on a 1293 system which doesn't have this device will result in long 1294 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1295 time). If unsure, say N. 1296 1297config I2C_SIBYTE 1298 tristate "SiByte SMBus interface" 1299 depends on SIBYTE_SB1xxx_SOC 1300 help 1301 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1302 1303config I2C_CROS_EC_TUNNEL 1304 tristate "ChromeOS EC tunnel I2C bus" 1305 depends on MFD_CROS_EC 1306 help 1307 If you say yes here you get an I2C bus that will tunnel i2c commands 1308 through to the other side of the ChromeOS EC to the i2c bus 1309 connected there. This will work whatever the interface used to 1310 talk to the EC (SPI, I2C or LPC). 1311 1312config I2C_XGENE_SLIMPRO 1313 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1314 depends on ARCH_XGENE && MAILBOX 1315 help 1316 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1317 co-processor. The I2C device access the I2C bus via the X-Gene 1318 to SLIMpro (On chip coprocessor) mailbox mechanism. 1319 If unsure, say N. 1320 1321config SCx200_ACB 1322 tristate "Geode ACCESS.bus support" 1323 depends on X86_32 && PCI 1324 help 1325 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1326 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1327 1328 If you don't know what to do here, say N. 1329 1330 This support is also available as a module. If so, the module 1331 will be called scx200_acb. 1332 1333config I2C_OPAL 1334 tristate "IBM OPAL I2C driver" 1335 depends on PPC_POWERNV 1336 default y 1337 help 1338 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1339 the driver is based on the OPAL interfaces. 1340 1341 This driver can also be built as a module. If so, the module will be 1342 called as i2c-opal. 1343 1344config I2C_ZX2967 1345 tristate "ZTE ZX2967 I2C support" 1346 depends on ARCH_ZX 1347 default y 1348 help 1349 Selecting this option will add ZX2967 I2C driver. 1350 This driver can also be built as a module. If so, the module will be 1351 called i2c-zx2967. 1352 1353config I2C_FSI 1354 tristate "FSI I2C driver" 1355 depends on FSI 1356 help 1357 Driver for FSI bus attached I2C masters. These are I2C masters that 1358 are connected to the system over an FSI bus, instead of the more 1359 common PCI or MMIO interface. 1360 1361 This driver can also be built as a module. If so, the module will be 1362 called as i2c-fsi. 1363 1364endmenu 1365