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_NVIDIA_GPU 229 tristate "NVIDIA GPU I2C controller" 230 depends on PCI 231 help 232 If you say yes to this option, support will be included for the 233 NVIDIA GPU I2C controller which is used to communicate with the GPU's 234 Type-C controller. This driver can also be built as a module called 235 i2c-nvidia-gpu. 236 237config I2C_SIS5595 238 tristate "SiS 5595" 239 depends on PCI 240 help 241 If you say yes to this option, support will be included for the 242 SiS5595 SMBus (a subset of I2C) interface. 243 244 This driver can also be built as a module. If so, the module 245 will be called i2c-sis5595. 246 247config I2C_SIS630 248 tristate "SiS 630/730/964" 249 depends on PCI 250 help 251 If you say yes to this option, support will be included for the 252 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 253 254 This driver can also be built as a module. If so, the module 255 will be called i2c-sis630. 256 257config I2C_SIS96X 258 tristate "SiS 96x" 259 depends on PCI 260 help 261 If you say yes to this option, support will be included for the SiS 262 96x SMBus (a subset of I2C) interfaces. Specifically, the following 263 chipsets are supported: 264 645/961 265 645DX/961 266 645DX/962 267 648/961 268 650/961 269 735 270 745 271 272 This driver can also be built as a module. If so, the module 273 will be called i2c-sis96x. 274 275config I2C_VIA 276 tristate "VIA VT82C586B" 277 depends on PCI 278 select I2C_ALGOBIT 279 help 280 If you say yes to this option, support will be included for the VIA 281 82C586B I2C interface 282 283 This driver can also be built as a module. If so, the module 284 will be called i2c-via. 285 286config I2C_VIAPRO 287 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 288 depends on PCI 289 help 290 If you say yes to this option, support will be included for the VIA 291 VT82C596 and later SMBus interface. Specifically, the following 292 chipsets are supported: 293 VT82C596A/B 294 VT82C686A/B 295 VT8231 296 VT8233/A 297 VT8235 298 VT8237R/A/S 299 VT8251 300 CX700 301 VX800/VX820 302 VX855/VX875 303 VX900 304 305 This driver can also be built as a module. If so, the module 306 will be called i2c-viapro. 307 308if ACPI 309 310comment "ACPI drivers" 311 312config I2C_SCMI 313 tristate "SMBus Control Method Interface" 314 help 315 This driver supports the SMBus Control Method Interface. It needs the 316 BIOS to declare ACPI control methods as described in the SMBus Control 317 Method Interface specification. 318 319 To compile this driver as a module, choose M here: 320 the module will be called i2c-scmi. 321 322endif # ACPI 323 324comment "Mac SMBus host controller drivers" 325 depends on PPC_CHRP || PPC_PMAC 326 327config I2C_HYDRA 328 tristate "CHRP Apple Hydra Mac I/O I2C interface" 329 depends on PCI && PPC_CHRP 330 select I2C_ALGOBIT 331 help 332 This supports the use of the I2C interface in the Apple Hydra Mac 333 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 334 have such a machine. 335 336 This support is also available as a module. If so, the module 337 will be called i2c-hydra. 338 339config I2C_POWERMAC 340 tristate "Powermac I2C interface" 341 depends on PPC_PMAC 342 default y 343 help 344 This exposes the various PowerMac i2c interfaces to the linux i2c 345 layer and to userland. It is used by various drivers on the PowerMac 346 platform, and should generally be enabled. 347 348 This support is also available as a module. If so, the module 349 will be called i2c-powermac. 350 351comment "I2C system bus drivers (mostly embedded / system-on-chip)" 352 353config I2C_ALTERA 354 tristate "Altera Soft IP I2C" 355 depends on (ARCH_SOCFPGA || NIOS2) && OF 356 help 357 If you say yes to this option, support will be included for the 358 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 359 360 This driver can also be built as a module. If so, the module 361 will be called i2c-altera. 362 363config I2C_ASPEED 364 tristate "Aspeed I2C Controller" 365 depends on ARCH_ASPEED || COMPILE_TEST 366 help 367 If you say yes to this option, support will be included for the 368 Aspeed I2C controller. 369 370 This driver can also be built as a module. If so, the module 371 will be called i2c-aspeed. 372 373config I2C_AT91 374 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 375 depends on ARCH_AT91 376 help 377 This supports the use of the I2C interface on Atmel AT91 378 processors. 379 380 A serious problem is that there is no documented way to issue 381 repeated START conditions for more than two messages, as needed 382 to support combined I2C messages. Use the i2c-gpio driver 383 unless your system can cope with this limitation. 384 385 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 386 don't have clock stretching in transmission mode. For that reason, 387 you can encounter underrun issues causing premature stop sendings if 388 the latency to fill the transmission register is too long. If you 389 are facing this situation, use the i2c-gpio driver. 390 391config I2C_AU1550 392 tristate "Au1550/Au1200/Au1300 SMBus interface" 393 depends on MIPS_ALCHEMY 394 help 395 If you say yes to this option, support will be included for the 396 Au1550/Au1200/Au1300 SMBus interface. 397 398 This driver can also be built as a module. If so, the module 399 will be called i2c-au1550. 400 401config I2C_AXXIA 402 tristate "Axxia I2C controller" 403 depends on ARCH_AXXIA || COMPILE_TEST 404 default ARCH_AXXIA 405 help 406 Say yes if you want to support the I2C bus on Axxia platforms. 407 408 Please note that this controller is limited to transfers of maximum 409 255 bytes in length. Any attempt to to a larger transfer will return 410 an error. 411 412config I2C_BCM2835 413 tristate "Broadcom BCM2835 I2C controller" 414 depends on ARCH_BCM2835 415 help 416 If you say yes to this option, support will be included for the 417 BCM2835 I2C controller. 418 419 If you don't know what to do here, say N. 420 421 This support is also available as a module. If so, the module 422 will be called i2c-bcm2835. 423 424config I2C_BCM_IPROC 425 tristate "Broadcom iProc I2C controller" 426 depends on ARCH_BCM_IPROC || COMPILE_TEST 427 default ARCH_BCM_IPROC 428 help 429 If you say yes to this option, support will be included for the 430 Broadcom iProc I2C controller. 431 432 If you don't know what to do here, say N. 433 434config I2C_BCM_KONA 435 tristate "BCM Kona I2C adapter" 436 depends on ARCH_BCM_MOBILE 437 default y 438 help 439 If you say yes to this option, support will be included for the 440 I2C interface on the Broadcom Kona family of processors. 441 442 If you do not need KONA I2C interface, say N. 443 444config I2C_BRCMSTB 445 tristate "BRCM Settop/DSL I2C controller" 446 depends on ARCH_BRCMSTB || BMIPS_GENERIC || ARCH_BCM_63XX || \ 447 COMPILE_TEST 448 default y 449 help 450 If you say yes to this option, support will be included for the 451 I2C interface on the Broadcom Settop/DSL SoCs. 452 453 If you do not need I2C interface, say N. 454 455config I2C_CADENCE 456 tristate "Cadence I2C Controller" 457 depends on ARCH_ZYNQ || ARM64 || XTENSA 458 help 459 Say yes here to select Cadence I2C Host Controller. This controller is 460 e.g. used by Xilinx Zynq. 461 462config I2C_CBUS_GPIO 463 tristate "CBUS I2C driver" 464 depends on GPIOLIB || COMPILE_TEST 465 help 466 Support for CBUS access using I2C API. Mostly relevant for Nokia 467 Internet Tablets (770, N800 and N810). 468 469 This driver can also be built as a module. If so, the module 470 will be called i2c-cbus-gpio. 471 472config I2C_CPM 473 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 474 depends on CPM1 || CPM2 475 help 476 This supports the use of the I2C interface on Freescale 477 processors with CPM1 or CPM2. 478 479 This driver can also be built as a module. If so, the module 480 will be called i2c-cpm. 481 482config I2C_DAVINCI 483 tristate "DaVinci I2C driver" 484 depends on ARCH_DAVINCI || ARCH_KEYSTONE 485 help 486 Support for TI DaVinci I2C controller driver. 487 488 This driver can also be built as a module. If so, the module 489 will be called i2c-davinci. 490 491 Please note that this driver might be needed to bring up other 492 devices such as DaVinci NIC. 493 For details please see http://www.ti.com/davinci 494 495config I2C_DESIGNWARE_CORE 496 tristate 497 498config I2C_DESIGNWARE_PLATFORM 499 tristate "Synopsys DesignWare Platform" 500 select I2C_DESIGNWARE_CORE 501 depends on (ACPI && COMMON_CLK) || !ACPI 502 help 503 If you say yes to this option, support will be included for the 504 Synopsys DesignWare I2C adapter. 505 506 This driver can also be built as a module. If so, the module 507 will be called i2c-designware-platform. 508 509config I2C_DESIGNWARE_SLAVE 510 bool "Synopsys DesignWare Slave" 511 select I2C_SLAVE 512 depends on I2C_DESIGNWARE_PLATFORM 513 help 514 If you say yes to this option, support will be included for the 515 Synopsys DesignWare I2C slave adapter. 516 517 This is not a standalone module, this module compiles together with 518 i2c-designware-core. 519 520config I2C_DESIGNWARE_PCI 521 tristate "Synopsys DesignWare PCI" 522 depends on PCI 523 select I2C_DESIGNWARE_CORE 524 help 525 If you say yes to this option, support will be included for the 526 Synopsys DesignWare I2C adapter. Only master mode is supported. 527 528 This driver can also be built as a module. If so, the module 529 will be called i2c-designware-pci. 530 531config I2C_DESIGNWARE_BAYTRAIL 532 bool "Intel Baytrail I2C semaphore support" 533 depends on ACPI 534 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 535 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 536 help 537 This driver enables managed host access to the PMIC I2C bus on select 538 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 539 the host to request uninterrupted access to the PMIC's I2C bus from 540 the platform firmware controlling it. You should say Y if running on 541 a BayTrail system using the AXP288. 542 543config I2C_DIGICOLOR 544 tristate "Conexant Digicolor I2C driver" 545 depends on ARCH_DIGICOLOR 546 help 547 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 548 549 This driver can also be built as a module. If so, the module 550 will be called i2c-digicolor. 551 552config I2C_EFM32 553 tristate "EFM32 I2C controller" 554 depends on ARCH_EFM32 || COMPILE_TEST 555 help 556 This driver supports the i2c block found in Energy Micro's EFM32 557 SoCs. 558 559config I2C_EG20T 560 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 561 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 562 help 563 This driver is for PCH(Platform controller Hub) I2C of EG20T which 564 is an IOH(Input/Output Hub) for x86 embedded processor. 565 This driver can access PCH I2C bus device. 566 567 This driver also can be used for LAPIS Semiconductor IOH(Input/ 568 Output Hub), ML7213, ML7223 and ML7831. 569 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 570 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 571 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 572 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 573 574config I2C_EMEV2 575 tristate "EMMA Mobile series I2C adapter" 576 depends on HAVE_CLK 577 select I2C_SLAVE 578 help 579 If you say yes to this option, support will be included for the 580 I2C interface on the Renesas Electronics EM/EV family of processors. 581 582config I2C_EXYNOS5 583 tristate "Exynos5 high-speed I2C driver" 584 depends on ARCH_EXYNOS && OF 585 default y 586 help 587 High-speed I2C controller on Exynos5 based Samsung SoCs. 588 589config I2C_GPIO 590 tristate "GPIO-based bitbanging I2C" 591 depends on GPIOLIB || COMPILE_TEST 592 select I2C_ALGOBIT 593 help 594 This is a very simple bitbanging I2C driver utilizing the 595 arch-neutral GPIO API to control the SCL and SDA lines. 596 597config I2C_GPIO_FAULT_INJECTOR 598 bool "GPIO-based fault injector" 599 depends on I2C_GPIO 600 help 601 This adds some functionality to the i2c-gpio driver which can inject 602 faults to an I2C bus, so another bus master can be stress-tested. 603 This is for debugging. If unsure, say 'no'. 604 605config I2C_HIGHLANDER 606 tristate "Highlander FPGA SMBus interface" 607 depends on SH_HIGHLANDER 608 help 609 If you say yes to this option, support will be included for 610 the SMBus interface located in the FPGA on various Highlander 611 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 612 FPGAs. This is wholly unrelated to the SoC I2C. 613 614 This driver can also be built as a module. If so, the module 615 will be called i2c-highlander. 616 617config I2C_IBM_IIC 618 tristate "IBM PPC 4xx on-chip I2C interface" 619 depends on 4xx 620 help 621 Say Y here if you want to use IIC peripheral found on 622 embedded IBM PPC 4xx based systems. 623 624 This driver can also be built as a module. If so, the module 625 will be called i2c-ibm_iic. 626 627config I2C_IMG 628 tristate "Imagination Technologies I2C SCB Controller" 629 depends on MIPS || COMPILE_TEST 630 help 631 Say Y here if you want to use the IMG I2C SCB controller, 632 available on the TZ1090 and other IMG SoCs. 633 634 This driver can also be built as a module. If so, the module 635 will be called i2c-img-scb. 636 637config I2C_IMX 638 tristate "IMX I2C interface" 639 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE 640 help 641 Say Y here if you want to use the IIC bus controller on 642 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 643 644 This driver can also be built as a module. If so, the module 645 will be called i2c-imx. 646 647config I2C_IMX_LPI2C 648 tristate "IMX Low Power I2C interface" 649 depends on ARCH_MXC || COMPILE_TEST 650 help 651 Say Y here if you want to use the Low Power IIC bus controller 652 on the Freescale i.MX processors. 653 654 This driver can also be built as a module. If so, the module 655 will be called i2c-imx-lpi2c. 656 657config I2C_IOP3XX 658 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" 659 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX 660 help 661 Say Y here if you want to use the IIC bus controller on 662 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. 663 664 This driver can also be built as a module. If so, the module 665 will be called i2c-iop3xx. 666 667config I2C_JZ4780 668 tristate "JZ4780 I2C controller interface support" 669 depends on MACH_JZ4780 || COMPILE_TEST 670 help 671 If you say yes to this option, support will be included for the 672 Ingenic JZ4780 I2C controller. 673 674 If you don't know what to do here, say N. 675 676config I2C_KEMPLD 677 tristate "Kontron COM I2C Controller" 678 depends on MFD_KEMPLD 679 help 680 This enables support for the I2C bus interface on some Kontron ETX 681 and COMexpress (ETXexpress) modules. 682 683 This driver can also be built as a module. If so, the module 684 will be called i2c-kempld. 685 686config I2C_LPC2K 687 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 688 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 689 help 690 This driver supports the I2C interface found several NXP 691 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 692 693 This driver can also be built as a module. If so, the module 694 will be called i2c-lpc2k. 695 696config I2C_MESON 697 tristate "Amlogic Meson I2C controller" 698 depends on ARCH_MESON || COMPILE_TEST 699 help 700 If you say yes to this option, support will be included for the 701 I2C interface on the Amlogic Meson family of SoCs. 702 703config I2C_MPC 704 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 705 depends on PPC 706 help 707 If you say yes to this option, support will be included for the 708 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 709 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 710 711 This driver can also be built as a module. If so, the module 712 will be called i2c-mpc. 713 714config I2C_MT65XX 715 tristate "MediaTek I2C adapter" 716 depends on ARCH_MEDIATEK || COMPILE_TEST 717 help 718 This selects the MediaTek(R) Integrated Inter Circuit bus driver 719 for MT65xx and MT81xx. 720 If you want to use MediaTek(R) I2C interface, say Y or M here. 721 If unsure, say N. 722 723config I2C_MV64XXX 724 tristate "Marvell mv64xxx I2C Controller" 725 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU 726 help 727 If you say yes to this option, support will be included for the 728 built-in I2C interface on the Marvell 64xxx line of host bridges. 729 This driver is also used for Allwinner SoCs I2C controllers. 730 731 This driver can also be built as a module. If so, the module 732 will be called i2c-mv64xxx. 733 734config I2C_MXS 735 tristate "Freescale i.MX28 I2C interface" 736 depends on SOC_IMX28 737 select STMP_DEVICE 738 help 739 Say Y here if you want to use the I2C bus controller on 740 the Freescale i.MX28 processors. 741 742 This driver can also be built as a module. If so, the module 743 will be called i2c-mxs. 744 745config I2C_NOMADIK 746 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 747 depends on ARM_AMBA 748 help 749 If you say yes to this option, support will be included for the 750 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 751 as well as the STA2X11 PCIe I/O HUB. 752 753config I2C_OCORES 754 tristate "OpenCores I2C Controller" 755 help 756 If you say yes to this option, support will be included for the 757 OpenCores I2C controller. For details see 758 http://www.opencores.org/projects.cgi/web/i2c/overview 759 760 This driver can also be built as a module. If so, the module 761 will be called i2c-ocores. 762 763config I2C_OMAP 764 tristate "OMAP I2C adapter" 765 depends on ARCH_OMAP || ARCH_K3 766 default y if MACH_OMAP_H3 || MACH_OMAP_OSK 767 help 768 If you say yes to this option, support will be included for the 769 I2C interface on the Texas Instruments OMAP1/2 family of processors. 770 Like OMAP1510/1610/1710/5912 and OMAP242x. 771 For details see http://www.ti.com/omap. 772 773config I2C_OWL 774 tristate "Actions Semiconductor Owl I2C Controller" 775 depends on ARCH_ACTIONS || COMPILE_TEST 776 help 777 Say Y here if you want to use the I2C bus controller on 778 the Actions Semiconductor Owl SoC's. 779 780config I2C_PASEMI 781 tristate "PA Semi SMBus interface" 782 depends on PPC_PASEMI && PCI 783 help 784 Supports the PA Semi PWRficient on-chip SMBus interfaces. 785 786config I2C_PCA_PLATFORM 787 tristate "PCA9564/PCA9665 as platform device" 788 select I2C_ALGOPCA 789 default n 790 help 791 This driver supports a memory mapped Philips PCA9564/PCA9665 792 parallel bus to I2C bus controller. 793 794 This driver can also be built as a module. If so, the module 795 will be called i2c-pca-platform. 796 797config I2C_PMCMSP 798 tristate "PMC MSP I2C TWI Controller" 799 depends on PMC_MSP 800 help 801 This driver supports the PMC TWI controller on MSP devices. 802 803 This driver can also be built as module. If so, the module 804 will be called i2c-pmcmsp. 805 806config I2C_PNX 807 tristate "I2C bus support for Philips PNX and NXP LPC targets" 808 depends on ARCH_LPC32XX 809 help 810 This driver supports the Philips IP3204 I2C IP block master and/or 811 slave controller 812 813 This driver can also be built as a module. If so, the module 814 will be called i2c-pnx. 815 816config I2C_PUV3 817 tristate "PKUnity v3 I2C bus support" 818 depends on UNICORE32 && ARCH_PUV3 819 select I2C_ALGOBIT 820 help 821 This driver supports the I2C IP inside the PKUnity-v3 SoC. 822 This I2C bus controller is under AMBA/AXI bus. 823 824 This driver can also be built as a module. If so, the module 825 will be called i2c-puv3. 826 827config I2C_PXA 828 tristate "Intel PXA2XX I2C adapter" 829 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) 830 help 831 If you have devices in the PXA I2C bus, say yes to this option. 832 This driver can also be built as a module. If so, the module 833 will be called i2c-pxa. 834 835config I2C_PXA_PCI 836 def_bool I2C_PXA && X86_32 && PCI && OF 837 838config I2C_PXA_SLAVE 839 bool "Intel PXA2XX I2C Slave comms support" 840 depends on I2C_PXA && !X86_32 841 help 842 Support I2C slave mode communications on the PXA I2C bus. This 843 is necessary for systems where the PXA may be a target on the 844 I2C bus. 845 846config I2C_QCOM_GENI 847 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller" 848 depends on ARCH_QCOM || COMPILE_TEST 849 depends on QCOM_GENI_SE 850 help 851 This driver supports GENI serial engine based I2C controller in 852 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say 853 yes to this option, support will be included for the built-in I2C 854 interface on the Qualcomm Technologies Inc.'s SoCs. 855 856 This driver can also be built as a module. If so, the module 857 will be called i2c-qcom-geni. 858 859config I2C_QUP 860 tristate "Qualcomm QUP based I2C controller" 861 depends on ARCH_QCOM 862 help 863 If you say yes to this option, support will be included for the 864 built-in I2C interface on the Qualcomm SoCs. 865 866 This driver can also be built as a module. If so, the module 867 will be called i2c-qup. 868 869config I2C_RIIC 870 tristate "Renesas RIIC adapter" 871 depends on ARCH_RENESAS || COMPILE_TEST 872 help 873 If you say yes to this option, support will be included for the 874 Renesas RIIC I2C interface. 875 876 This driver can also be built as a module. If so, the module 877 will be called i2c-riic. 878 879config I2C_RK3X 880 tristate "Rockchip RK3xxx I2C adapter" 881 depends on OF && COMMON_CLK 882 help 883 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 884 SoCs. 885 886 This driver can also be built as a module. If so, the module will 887 be called i2c-rk3x. 888 889config HAVE_S3C2410_I2C 890 bool 891 help 892 This will include I2C support for Samsung SoCs. If you want to 893 include I2C support for any machine, kindly select this in the 894 respective Kconfig file. 895 896config I2C_S3C2410 897 tristate "S3C2410 I2C Driver" 898 depends on HAVE_S3C2410_I2C 899 help 900 Say Y here to include support for I2C controller in the 901 Samsung SoCs. 902 903config I2C_SH7760 904 tristate "Renesas SH7760 I2C Controller" 905 depends on CPU_SUBTYPE_SH7760 906 help 907 This driver supports the 2 I2C interfaces on the Renesas SH7760. 908 909 This driver can also be built as a module. If so, the module 910 will be called i2c-sh7760. 911 912config I2C_SH_MOBILE 913 tristate "SuperH Mobile I2C Controller" 914 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 915 help 916 If you say yes to this option, support will be included for the 917 built-in I2C interface on the Renesas SH-Mobile processor. 918 919 This driver can also be built as a module. If so, the module 920 will be called i2c-sh_mobile. 921 922config I2C_SIMTEC 923 tristate "Simtec Generic I2C interface" 924 select I2C_ALGOBIT 925 help 926 If you say yes to this option, support will be included for 927 the Simtec Generic I2C interface. This driver is for the 928 simple I2C bus used on newer Simtec products for general 929 I2C, such as DDC on the Simtec BBD2016A. 930 931 This driver can also be built as a module. If so, the module 932 will be called i2c-simtec. 933 934config I2C_SIRF 935 tristate "CSR SiRFprimaII I2C interface" 936 depends on ARCH_SIRF 937 help 938 If you say yes to this option, support will be included for the 939 CSR SiRFprimaII I2C interface. 940 941 This driver can also be built as a module. If so, the module 942 will be called i2c-sirf. 943 944config I2C_SPRD 945 bool "Spreadtrum I2C interface" 946 depends on I2C=y && ARCH_SPRD 947 help 948 If you say yes to this option, support will be included for the 949 Spreadtrum I2C interface. 950 951config I2C_ST 952 tristate "STMicroelectronics SSC I2C support" 953 depends on ARCH_STI 954 help 955 Enable this option to add support for STMicroelectronics SoCs 956 hardware SSC (Synchronous Serial Controller) as an I2C controller. 957 958 This driver can also be built as module. If so, the module 959 will be called i2c-st. 960 961config I2C_STM32F4 962 tristate "STMicroelectronics STM32F4 I2C support" 963 depends on ARCH_STM32 || COMPILE_TEST 964 help 965 Enable this option to add support for STM32 I2C controller embedded 966 in STM32F4 SoCs. 967 968 This driver can also be built as module. If so, the module 969 will be called i2c-stm32f4. 970 971config I2C_STM32F7 972 tristate "STMicroelectronics STM32F7 I2C support" 973 depends on ARCH_STM32 || COMPILE_TEST 974 select I2C_SLAVE 975 help 976 Enable this option to add support for STM32 I2C controller embedded 977 in STM32F7 SoCs. 978 979 This driver can also be built as module. If so, the module 980 will be called i2c-stm32f7. 981 982config I2C_STU300 983 tristate "ST Microelectronics DDC I2C interface" 984 depends on MACH_U300 985 default y if MACH_U300 986 help 987 If you say yes to this option, support will be included for the 988 I2C interface from ST Microelectronics simply called "DDC I2C" 989 supporting both I2C and DDC, used in e.g. the U300 series 990 mobile platforms. 991 992 This driver can also be built as a module. If so, the module 993 will be called i2c-stu300. 994 995config I2C_SUN6I_P2WI 996 tristate "Allwinner sun6i internal P2WI controller" 997 depends on RESET_CONTROLLER 998 depends on MACH_SUN6I || COMPILE_TEST 999 help 1000 If you say yes to this option, support will be included for the 1001 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 1002 SOCs. 1003 The P2WI looks like an SMBus controller (which supports only byte 1004 accesses), except that it only supports one slave device. 1005 This interface is used to connect to specific PMIC devices (like the 1006 AXP221). 1007 1008config I2C_SYNQUACER 1009 tristate "Socionext SynQuacer I2C controller" 1010 depends on ARCH_SYNQUACER || COMPILE_TEST 1011 help 1012 Say Y here to include support for the I2C controller used in some 1013 Fujitsu and Socionext SoCs. 1014 1015 This driver can also be built as a module. If so, the module 1016 will be called i2c-synquacer. 1017 1018config I2C_TEGRA 1019 tristate "NVIDIA Tegra internal I2C controller" 1020 depends on ARCH_TEGRA 1021 help 1022 If you say yes to this option, support will be included for the 1023 I2C controller embedded in NVIDIA Tegra SOCs 1024 1025config I2C_TEGRA_BPMP 1026 tristate "NVIDIA Tegra BPMP I2C controller" 1027 depends on TEGRA_BPMP 1028 default y 1029 help 1030 If you say yes to this option, support will be included for the I2C 1031 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1032 1033 This I2C driver is a 'virtual' I2C driver. The real driver is part 1034 of the BPMP firmware, and this driver merely communicates with that 1035 real driver. 1036 1037config I2C_UNIPHIER 1038 tristate "UniPhier FIFO-less I2C controller" 1039 depends on ARCH_UNIPHIER || COMPILE_TEST 1040 help 1041 If you say yes to this option, support will be included for 1042 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1043 or older UniPhier SoCs. 1044 1045config I2C_UNIPHIER_F 1046 tristate "UniPhier FIFO-builtin I2C controller" 1047 depends on ARCH_UNIPHIER || COMPILE_TEST 1048 help 1049 If you say yes to this option, support will be included for 1050 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1051 PH1-Pro5, or newer UniPhier SoCs. 1052 1053config I2C_VERSATILE 1054 tristate "ARM Versatile/Realview I2C bus support" 1055 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1056 select I2C_ALGOBIT 1057 help 1058 Say yes if you want to support the I2C serial bus on ARMs Versatile 1059 range of platforms. 1060 1061 This driver can also be built as a module. If so, the module 1062 will be called i2c-versatile. 1063 1064config I2C_WMT 1065 tristate "Wondermedia WM8xxx SoC I2C bus support" 1066 depends on ARCH_VT8500 1067 help 1068 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1069 SoCs. 1070 1071 This driver can also be built as a module. If so, the module will be 1072 called i2c-wmt. 1073 1074config I2C_OCTEON 1075 tristate "Cavium OCTEON I2C bus support" 1076 depends on CAVIUM_OCTEON_SOC 1077 help 1078 Say yes if you want to support the I2C serial bus on Cavium 1079 OCTEON SOC. 1080 1081 This driver can also be built as a module. If so, the module 1082 will be called i2c-octeon. 1083 1084config I2C_THUNDERX 1085 tristate "Cavium ThunderX I2C bus support" 1086 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1087 select I2C_SMBUS 1088 help 1089 Say yes if you want to support the I2C serial bus on Cavium 1090 ThunderX SOC. 1091 1092 This driver can also be built as a module. If so, the module 1093 will be called i2c-thunderx. 1094 1095config I2C_XILINX 1096 tristate "Xilinx I2C Controller" 1097 depends on HAS_IOMEM 1098 help 1099 If you say yes to this option, support will be included for the 1100 Xilinx I2C controller. 1101 1102 This driver can also be built as a module. If so, the module 1103 will be called xilinx_i2c. 1104 1105config I2C_XLR 1106 tristate "Netlogic XLR and Sigma Designs I2C support" 1107 depends on CPU_XLR || ARCH_TANGO 1108 help 1109 This driver enables support for the on-chip I2C interface of 1110 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs. 1111 1112 This driver can also be built as a module. If so, the module 1113 will be called i2c-xlr. 1114 1115config I2C_XLP9XX 1116 tristate "XLP9XX I2C support" 1117 depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST 1118 help 1119 This driver enables support for the on-chip I2C interface of 1120 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors. 1121 1122 This driver can also be built as a module. If so, the module will 1123 be called i2c-xlp9xx. 1124 1125config I2C_RCAR 1126 tristate "Renesas R-Car I2C Controller" 1127 depends on ARCH_RENESAS || COMPILE_TEST 1128 select I2C_SLAVE 1129 help 1130 If you say yes to this option, support will be included for the 1131 R-Car I2C controller. 1132 1133 This driver can also be built as a module. If so, the module 1134 will be called i2c-rcar. 1135 1136comment "External I2C/SMBus adapter drivers" 1137 1138config I2C_DIOLAN_U2C 1139 tristate "Diolan U2C-12 USB adapter" 1140 depends on USB 1141 help 1142 If you say yes to this option, support will be included for Diolan 1143 U2C-12, a USB to I2C interface. 1144 1145 This driver can also be built as a module. If so, the module 1146 will be called i2c-diolan-u2c. 1147 1148config I2C_DLN2 1149 tristate "Diolan DLN-2 USB I2C adapter" 1150 depends on MFD_DLN2 1151 help 1152 If you say yes to this option, support will be included for Diolan 1153 DLN2, a USB to I2C interface. 1154 1155 This driver can also be built as a module. If so, the module 1156 will be called i2c-dln2. 1157 1158config I2C_PARPORT 1159 tristate "Parallel port adapter" 1160 depends on PARPORT 1161 select I2C_ALGOBIT 1162 select I2C_SMBUS 1163 help 1164 This supports parallel port I2C adapters such as the ones made by 1165 Philips or Velleman, Analog Devices evaluation boards, and more. 1166 Basically any adapter using the parallel port as an I2C bus with 1167 no extra chipset is supported by this driver, or could be. 1168 1169 This driver is a replacement for (and was inspired by) an older 1170 driver named i2c-philips-par. The new driver supports more devices, 1171 and makes it easier to add support for new devices. 1172 1173 An adapter type parameter is now mandatory. Please read the file 1174 Documentation/i2c/busses/i2c-parport for details. 1175 1176 Another driver exists, named i2c-parport-light, which doesn't depend 1177 on the parport driver. This is meant for embedded systems. Don't say 1178 Y here if you intend to say Y or M there. 1179 1180 This support is also available as a module. If so, the module 1181 will be called i2c-parport. 1182 1183config I2C_PARPORT_LIGHT 1184 tristate "Parallel port adapter (light)" 1185 select I2C_ALGOBIT 1186 select I2C_SMBUS 1187 help 1188 This supports parallel port I2C adapters such as the ones made by 1189 Philips or Velleman, Analog Devices evaluation boards, and more. 1190 Basically any adapter using the parallel port as an I2C bus with 1191 no extra chipset is supported by this driver, or could be. 1192 1193 This driver is a light version of i2c-parport. It doesn't depend 1194 on the parport driver, and uses direct I/O access instead. This 1195 might be preferred on embedded systems where wasting memory for 1196 the clean but heavy parport handling is not an option. The 1197 drawback is a reduced portability and the impossibility to 1198 daisy-chain other parallel port devices. 1199 1200 Don't say Y here if you said Y or M to i2c-parport. Saying M to 1201 both is possible but both modules should not be loaded at the same 1202 time. 1203 1204 This support is also available as a module. If so, the module 1205 will be called i2c-parport-light. 1206 1207config I2C_ROBOTFUZZ_OSIF 1208 tristate "RobotFuzz Open Source InterFace USB adapter" 1209 depends on USB 1210 help 1211 If you say yes to this option, support will be included for the 1212 RobotFuzz Open Source InterFace USB to I2C interface. 1213 1214 This driver can also be built as a module. If so, the module 1215 will be called i2c-osif. 1216 1217config I2C_TAOS_EVM 1218 tristate "TAOS evaluation module" 1219 depends on TTY 1220 select SERIO 1221 select SERIO_SERPORT 1222 default n 1223 help 1224 This supports TAOS evaluation modules on serial port. In order to 1225 use this driver, you will need the inputattach tool, which is part 1226 of the input-utils package. 1227 1228 If unsure, say N. 1229 1230 This support is also available as a module. If so, the module 1231 will be called i2c-taos-evm. 1232 1233config I2C_TINY_USB 1234 tristate "Tiny-USB adapter" 1235 depends on USB 1236 help 1237 If you say yes to this option, support will be included for the 1238 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1239 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1240 1241 This driver can also be built as a module. If so, the module 1242 will be called i2c-tiny-usb. 1243 1244config I2C_VIPERBOARD 1245 tristate "Viperboard I2C master support" 1246 depends on MFD_VIPERBOARD && USB 1247 help 1248 Say yes here to access the I2C part of the Nano River 1249 Technologies Viperboard as I2C master. 1250 See viperboard API specification and Nano 1251 River Tech's viperboard.h for detailed meaning 1252 of the module parameters. 1253 1254comment "Other I2C/SMBus bus drivers" 1255 1256config I2C_ACORN 1257 tristate "Acorn IOC/IOMD I2C bus support" 1258 depends on ARCH_ACORN 1259 default y 1260 select I2C_ALGOBIT 1261 help 1262 Say yes if you want to support the I2C bus on Acorn platforms. 1263 1264 If you don't know, say Y. 1265 1266config I2C_ELEKTOR 1267 tristate "Elektor ISA card" 1268 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1269 select I2C_ALGOPCF 1270 help 1271 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1272 such an adapter. 1273 1274 This support is also available as a module. If so, the module 1275 will be called i2c-elektor. 1276 1277config I2C_MLXCPLD 1278 tristate "Mellanox I2C driver" 1279 depends on X86_64 1280 help 1281 This exposes the Mellanox platform I2C busses to the linux I2C layer 1282 for X86 based systems. 1283 Controller is implemented as CPLD logic. 1284 1285 This driver can also be built as a module. If so, the module will be 1286 called as i2c-mlxcpld. 1287 1288config I2C_PCA_ISA 1289 tristate "PCA9564/PCA9665 on an ISA bus" 1290 depends on ISA 1291 select I2C_ALGOPCA 1292 default n 1293 help 1294 This driver supports ISA boards using the Philips PCA9564/PCA9665 1295 parallel bus to I2C bus controller. 1296 1297 This driver can also be built as a module. If so, the module 1298 will be called i2c-pca-isa. 1299 1300 This device is almost undetectable and using this driver on a 1301 system which doesn't have this device will result in long 1302 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1303 time). If unsure, say N. 1304 1305config I2C_SIBYTE 1306 tristate "SiByte SMBus interface" 1307 depends on SIBYTE_SB1xxx_SOC 1308 help 1309 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1310 1311config I2C_CROS_EC_TUNNEL 1312 tristate "ChromeOS EC tunnel I2C bus" 1313 depends on MFD_CROS_EC 1314 help 1315 If you say yes here you get an I2C bus that will tunnel i2c commands 1316 through to the other side of the ChromeOS EC to the i2c bus 1317 connected there. This will work whatever the interface used to 1318 talk to the EC (SPI, I2C or LPC). 1319 1320config I2C_XGENE_SLIMPRO 1321 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1322 depends on ARCH_XGENE && MAILBOX 1323 help 1324 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1325 co-processor. The I2C device access the I2C bus via the X-Gene 1326 to SLIMpro (On chip coprocessor) mailbox mechanism. 1327 If unsure, say N. 1328 1329config SCx200_ACB 1330 tristate "Geode ACCESS.bus support" 1331 depends on X86_32 && PCI 1332 help 1333 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1334 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1335 1336 If you don't know what to do here, say N. 1337 1338 This support is also available as a module. If so, the module 1339 will be called scx200_acb. 1340 1341config I2C_OPAL 1342 tristate "IBM OPAL I2C driver" 1343 depends on PPC_POWERNV 1344 default y 1345 help 1346 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1347 the driver is based on the OPAL interfaces. 1348 1349 This driver can also be built as a module. If so, the module will be 1350 called as i2c-opal. 1351 1352config I2C_ZX2967 1353 tristate "ZTE ZX2967 I2C support" 1354 depends on ARCH_ZX 1355 default y 1356 help 1357 Selecting this option will add ZX2967 I2C driver. 1358 This driver can also be built as a module. If so, the module will be 1359 called i2c-zx2967. 1360 1361config I2C_FSI 1362 tristate "FSI I2C driver" 1363 depends on FSI 1364 help 1365 Driver for FSI bus attached I2C masters. These are I2C masters that 1366 are connected to the system over an FSI bus, instead of the more 1367 common PCI or MMIO interface. 1368 1369 This driver can also be built as a module. If so, the module will be 1370 called as i2c-fsi. 1371 1372endmenu 1373