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 Lynx Point-LP (PCH) 120 Avoton (SOC) 121 Wellsburg (PCH) 122 Coleto Creek (PCH) 123 Wildcat Point (PCH) 124 Wildcat Point-LP (PCH) 125 BayTrail (SOC) 126 Sunrise Point-H (PCH) 127 Sunrise Point-LP (PCH) 128 DNV (SOC) 129 Broxton (SOC) 130 Lewisburg (PCH) 131 Gemini Lake (SOC) 132 Cannon Lake-H (PCH) 133 Cannon Lake-LP (PCH) 134 Cedar Fork (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_CHARGER_BQ24190=m and CONFIG_TYPEC_FUSB302=m 204 (the fusb302 driver currently is in drivers/staging). 205 206config I2C_NFORCE2 207 tristate "Nvidia nForce2, nForce3 and nForce4" 208 depends on PCI 209 help 210 If you say yes to this option, support will be included for the Nvidia 211 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 212 213 This driver can also be built as a module. If so, the module 214 will be called i2c-nforce2. 215 216config I2C_NFORCE2_S4985 217 tristate "SMBus multiplexing on the Tyan S4985" 218 depends on I2C_NFORCE2 && X86 219 help 220 Enabling this option will add specific SMBus support for the Tyan 221 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed 222 over 4 different channels, where the various memory module EEPROMs 223 live. Saying yes here will give you access to these in addition 224 to the trunk. 225 226 This driver can also be built as a module. If so, the module 227 will be called i2c-nforce2-s4985. 228 229config I2C_SIS5595 230 tristate "SiS 5595" 231 depends on PCI 232 help 233 If you say yes to this option, support will be included for the 234 SiS5595 SMBus (a subset of I2C) interface. 235 236 This driver can also be built as a module. If so, the module 237 will be called i2c-sis5595. 238 239config I2C_SIS630 240 tristate "SiS 630/730/964" 241 depends on PCI 242 help 243 If you say yes to this option, support will be included for the 244 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 245 246 This driver can also be built as a module. If so, the module 247 will be called i2c-sis630. 248 249config I2C_SIS96X 250 tristate "SiS 96x" 251 depends on PCI 252 help 253 If you say yes to this option, support will be included for the SiS 254 96x SMBus (a subset of I2C) interfaces. Specifically, the following 255 chipsets are supported: 256 645/961 257 645DX/961 258 645DX/962 259 648/961 260 650/961 261 735 262 745 263 264 This driver can also be built as a module. If so, the module 265 will be called i2c-sis96x. 266 267config I2C_VIA 268 tristate "VIA VT82C586B" 269 depends on PCI 270 select I2C_ALGOBIT 271 help 272 If you say yes to this option, support will be included for the VIA 273 82C586B I2C interface 274 275 This driver can also be built as a module. If so, the module 276 will be called i2c-via. 277 278config I2C_VIAPRO 279 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 280 depends on PCI 281 help 282 If you say yes to this option, support will be included for the VIA 283 VT82C596 and later SMBus interface. Specifically, the following 284 chipsets are supported: 285 VT82C596A/B 286 VT82C686A/B 287 VT8231 288 VT8233/A 289 VT8235 290 VT8237R/A/S 291 VT8251 292 CX700 293 VX800/VX820 294 VX855/VX875 295 VX900 296 297 This driver can also be built as a module. If so, the module 298 will be called i2c-viapro. 299 300if ACPI 301 302comment "ACPI drivers" 303 304config I2C_SCMI 305 tristate "SMBus Control Method Interface" 306 help 307 This driver supports the SMBus Control Method Interface. It needs the 308 BIOS to declare ACPI control methods as described in the SMBus Control 309 Method Interface specification. 310 311 To compile this driver as a module, choose M here: 312 the module will be called i2c-scmi. 313 314endif # ACPI 315 316comment "Mac SMBus host controller drivers" 317 depends on PPC_CHRP || PPC_PMAC 318 319config I2C_HYDRA 320 tristate "CHRP Apple Hydra Mac I/O I2C interface" 321 depends on PCI && PPC_CHRP 322 select I2C_ALGOBIT 323 help 324 This supports the use of the I2C interface in the Apple Hydra Mac 325 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 326 have such a machine. 327 328 This support is also available as a module. If so, the module 329 will be called i2c-hydra. 330 331config I2C_POWERMAC 332 tristate "Powermac I2C interface" 333 depends on PPC_PMAC 334 default y 335 help 336 This exposes the various PowerMac i2c interfaces to the linux i2c 337 layer and to userland. It is used by various drivers on the PowerMac 338 platform, and should generally be enabled. 339 340 This support is also available as a module. If so, the module 341 will be called i2c-powermac. 342 343comment "I2C system bus drivers (mostly embedded / system-on-chip)" 344 345config I2C_ALTERA 346 tristate "Altera Soft IP I2C" 347 depends on (ARCH_SOCFPGA || NIOS2) && OF 348 help 349 If you say yes to this option, support will be included for the 350 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 351 352 This driver can also be built as a module. If so, the module 353 will be called i2c-altera. 354 355config I2C_ASPEED 356 tristate "Aspeed I2C Controller" 357 depends on ARCH_ASPEED || COMPILE_TEST 358 help 359 If you say yes to this option, support will be included for the 360 Aspeed I2C controller. 361 362 This driver can also be built as a module. If so, the module 363 will be called i2c-aspeed. 364 365config I2C_AT91 366 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 367 depends on ARCH_AT91 368 help 369 This supports the use of the I2C interface on Atmel AT91 370 processors. 371 372 A serious problem is that there is no documented way to issue 373 repeated START conditions for more than two messages, as needed 374 to support combined I2C messages. Use the i2c-gpio driver 375 unless your system can cope with this limitation. 376 377 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 378 don't have clock stretching in transmission mode. For that reason, 379 you can encounter underrun issues causing premature stop sendings if 380 the latency to fill the transmission register is too long. If you 381 are facing this situation, use the i2c-gpio driver. 382 383config I2C_AU1550 384 tristate "Au1550/Au1200/Au1300 SMBus interface" 385 depends on MIPS_ALCHEMY 386 help 387 If you say yes to this option, support will be included for the 388 Au1550/Au1200/Au1300 SMBus interface. 389 390 This driver can also be built as a module. If so, the module 391 will be called i2c-au1550. 392 393config I2C_AXXIA 394 tristate "Axxia I2C controller" 395 depends on ARCH_AXXIA || COMPILE_TEST 396 default ARCH_AXXIA 397 help 398 Say yes if you want to support the I2C bus on Axxia platforms. 399 400 Please note that this controller is limited to transfers of maximum 401 255 bytes in length. Any attempt to to a larger transfer will return 402 an error. 403 404config I2C_BCM2835 405 tristate "Broadcom BCM2835 I2C controller" 406 depends on ARCH_BCM2835 407 help 408 If you say yes to this option, support will be included for the 409 BCM2835 I2C controller. 410 411 If you don't know what to do here, say N. 412 413 This support is also available as a module. If so, the module 414 will be called i2c-bcm2835. 415 416config I2C_BCM_IPROC 417 tristate "Broadcom iProc I2C controller" 418 depends on ARCH_BCM_IPROC || COMPILE_TEST 419 default ARCH_BCM_IPROC 420 help 421 If you say yes to this option, support will be included for the 422 Broadcom iProc I2C controller. 423 424 If you don't know what to do here, say N. 425 426config I2C_BCM_KONA 427 tristate "BCM Kona I2C adapter" 428 depends on ARCH_BCM_MOBILE 429 default y 430 help 431 If you say yes to this option, support will be included for the 432 I2C interface on the Broadcom Kona family of processors. 433 434 If you do not need KONA I2C interface, say N. 435 436config I2C_BRCMSTB 437 tristate "BRCM Settop I2C controller" 438 depends on ARCH_BRCMSTB || BMIPS_GENERIC || 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 SoCs. 443 444 If you do not need I2C interface, say N. 445 446config I2C_BLACKFIN_TWI 447 tristate "Blackfin TWI I2C support" 448 depends on BLACKFIN 449 depends on !BF561 && !BF531 && !BF532 && !BF533 450 help 451 This is the I2C bus driver for Blackfin on-chip TWI interface. 452 453 This driver can also be built as a module. If so, the module 454 will be called i2c-bfin-twi. 455 456config I2C_BLACKFIN_TWI_CLK_KHZ 457 int "Blackfin TWI I2C clock (kHz)" 458 depends on I2C_BLACKFIN_TWI 459 range 21 400 460 default 50 461 help 462 The unit of the TWI clock is kHz. 463 464config I2C_CADENCE 465 tristate "Cadence I2C Controller" 466 depends on ARCH_ZYNQ || ARM64 || XTENSA 467 help 468 Say yes here to select Cadence I2C Host Controller. This controller is 469 e.g. used by Xilinx Zynq. 470 471config I2C_CBUS_GPIO 472 tristate "CBUS I2C driver" 473 depends on GPIOLIB || COMPILE_TEST 474 help 475 Support for CBUS access using I2C API. Mostly relevant for Nokia 476 Internet Tablets (770, N800 and N810). 477 478 This driver can also be built as a module. If so, the module 479 will be called i2c-cbus-gpio. 480 481config I2C_CPM 482 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 483 depends on CPM1 || CPM2 484 help 485 This supports the use of the I2C interface on Freescale 486 processors with CPM1 or CPM2. 487 488 This driver can also be built as a module. If so, the module 489 will be called i2c-cpm. 490 491config I2C_DAVINCI 492 tristate "DaVinci I2C driver" 493 depends on ARCH_DAVINCI || ARCH_KEYSTONE 494 help 495 Support for TI DaVinci I2C controller driver. 496 497 This driver can also be built as a module. If so, the module 498 will be called i2c-davinci. 499 500 Please note that this driver might be needed to bring up other 501 devices such as DaVinci NIC. 502 For details please see http://www.ti.com/davinci 503 504config I2C_DESIGNWARE_CORE 505 tristate 506 507config I2C_DESIGNWARE_PLATFORM 508 tristate "Synopsys DesignWare Platform" 509 select I2C_DESIGNWARE_CORE 510 depends on (ACPI && COMMON_CLK) || !ACPI 511 help 512 If you say yes to this option, support will be included for the 513 Synopsys DesignWare I2C adapter. 514 515 This driver can also be built as a module. If so, the module 516 will be called i2c-designware-platform. 517 518config I2C_DESIGNWARE_SLAVE 519 bool "Synopsys DesignWare Slave" 520 select I2C_SLAVE 521 depends on I2C_DESIGNWARE_PLATFORM 522 help 523 If you say yes to this option, support will be included for the 524 Synopsys DesignWare I2C slave adapter. 525 526 This is not a standalone module, this module compiles together with 527 i2c-designware-core. 528 529config I2C_DESIGNWARE_PCI 530 tristate "Synopsys DesignWare PCI" 531 depends on PCI 532 select I2C_DESIGNWARE_CORE 533 help 534 If you say yes to this option, support will be included for the 535 Synopsys DesignWare I2C adapter. Only master mode is supported. 536 537 This driver can also be built as a module. If so, the module 538 will be called i2c-designware-pci. 539 540config I2C_DESIGNWARE_BAYTRAIL 541 bool "Intel Baytrail I2C semaphore support" 542 depends on ACPI 543 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 544 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 545 help 546 This driver enables managed host access to the PMIC I2C bus on select 547 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 548 the host to request uninterrupted access to the PMIC's I2C bus from 549 the platform firmware controlling it. You should say Y if running on 550 a BayTrail system using the AXP288. 551 552config I2C_DIGICOLOR 553 tristate "Conexant Digicolor I2C driver" 554 depends on ARCH_DIGICOLOR 555 help 556 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 557 558 This driver can also be built as a module. If so, the module 559 will be called i2c-digicolor. 560 561config I2C_EFM32 562 tristate "EFM32 I2C controller" 563 depends on ARCH_EFM32 || COMPILE_TEST 564 help 565 This driver supports the i2c block found in Energy Micro's EFM32 566 SoCs. 567 568config I2C_EG20T 569 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 570 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 571 help 572 This driver is for PCH(Platform controller Hub) I2C of EG20T which 573 is an IOH(Input/Output Hub) for x86 embedded processor. 574 This driver can access PCH I2C bus device. 575 576 This driver also can be used for LAPIS Semiconductor IOH(Input/ 577 Output Hub), ML7213, ML7223 and ML7831. 578 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 579 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 580 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 581 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 582 583config I2C_EMEV2 584 tristate "EMMA Mobile series I2C adapter" 585 depends on HAVE_CLK 586 select I2C_SLAVE 587 help 588 If you say yes to this option, support will be included for the 589 I2C interface on the Renesas Electronics EM/EV family of processors. 590 591config I2C_EXYNOS5 592 tristate "Exynos5 high-speed I2C driver" 593 depends on ARCH_EXYNOS && OF 594 default y 595 help 596 High-speed I2C controller on Exynos5 based Samsung SoCs. 597 598config I2C_GPIO 599 tristate "GPIO-based bitbanging I2C" 600 depends on GPIOLIB || COMPILE_TEST 601 select I2C_ALGOBIT 602 help 603 This is a very simple bitbanging I2C driver utilizing the 604 arch-neutral GPIO API to control the SCL and SDA lines. 605 606config I2C_HIGHLANDER 607 tristate "Highlander FPGA SMBus interface" 608 depends on SH_HIGHLANDER 609 help 610 If you say yes to this option, support will be included for 611 the SMBus interface located in the FPGA on various Highlander 612 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 613 FPGAs. This is wholly unrelated to the SoC I2C. 614 615 This driver can also be built as a module. If so, the module 616 will be called i2c-highlander. 617 618config I2C_IBM_IIC 619 tristate "IBM PPC 4xx on-chip I2C interface" 620 depends on 4xx 621 help 622 Say Y here if you want to use IIC peripheral found on 623 embedded IBM PPC 4xx based systems. 624 625 This driver can also be built as a module. If so, the module 626 will be called i2c-ibm_iic. 627 628config I2C_IMG 629 tristate "Imagination Technologies I2C SCB Controller" 630 depends on MIPS || METAG || COMPILE_TEST 631 help 632 Say Y here if you want to use the IMG I2C SCB controller, 633 available on the TZ1090 and other IMG SoCs. 634 635 This driver can also be built as a module. If so, the module 636 will be called i2c-img-scb. 637 638config I2C_IMX 639 tristate "IMX I2C interface" 640 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE 641 help 642 Say Y here if you want to use the IIC bus controller on 643 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 644 645 This driver can also be built as a module. If so, the module 646 will be called i2c-imx. 647 648config I2C_IMX_LPI2C 649 tristate "IMX Low Power I2C interface" 650 depends on ARCH_MXC || COMPILE_TEST 651 help 652 Say Y here if you want to use the Low Power IIC bus controller 653 on the Freescale i.MX processors. 654 655 This driver can also be built as a module. If so, the module 656 will be called i2c-imx-lpi2c. 657 658config I2C_IOP3XX 659 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" 660 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX 661 help 662 Say Y here if you want to use the IIC bus controller on 663 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. 664 665 This driver can also be built as a module. If so, the module 666 will be called i2c-iop3xx. 667 668config I2C_JZ4780 669 tristate "JZ4780 I2C controller interface support" 670 depends on MACH_JZ4780 || COMPILE_TEST 671 help 672 If you say yes to this option, support will be included for the 673 Ingenic JZ4780 I2C controller. 674 675 If you don't know what to do here, say N. 676 677config I2C_KEMPLD 678 tristate "Kontron COM I2C Controller" 679 depends on MFD_KEMPLD 680 help 681 This enables support for the I2C bus interface on some Kontron ETX 682 and COMexpress (ETXexpress) modules. 683 684 This driver can also be built as a module. If so, the module 685 will be called i2c-kempld. 686 687config I2C_LPC2K 688 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 689 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 690 help 691 This driver supports the I2C interface found several NXP 692 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 693 694 This driver can also be built as a module. If so, the module 695 will be called i2c-lpc2k. 696 697config I2C_MESON 698 tristate "Amlogic Meson I2C controller" 699 depends on ARCH_MESON || COMPILE_TEST 700 help 701 If you say yes to this option, support will be included for the 702 I2C interface on the Amlogic Meson family of SoCs. 703 704config I2C_MPC 705 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 706 depends on PPC 707 help 708 If you say yes to this option, support will be included for the 709 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 710 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 711 712 This driver can also be built as a module. If so, the module 713 will be called i2c-mpc. 714 715config I2C_MT65XX 716 tristate "MediaTek I2C adapter" 717 depends on ARCH_MEDIATEK || COMPILE_TEST 718 depends on HAS_DMA 719 help 720 This selects the MediaTek(R) Integrated Inter Circuit bus driver 721 for MT65xx and MT81xx. 722 If you want to use MediaTek(R) I2C interface, say Y or M here. 723 If unsure, say N. 724 725config I2C_MV64XXX 726 tristate "Marvell mv64xxx I2C Controller" 727 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU 728 help 729 If you say yes to this option, support will be included for the 730 built-in I2C interface on the Marvell 64xxx line of host bridges. 731 This driver is also used for Allwinner SoCs I2C controllers. 732 733 This driver can also be built as a module. If so, the module 734 will be called i2c-mv64xxx. 735 736config I2C_MXS 737 tristate "Freescale i.MX28 I2C interface" 738 depends on SOC_IMX28 739 select STMP_DEVICE 740 help 741 Say Y here if you want to use the I2C bus controller on 742 the Freescale i.MX28 processors. 743 744 This driver can also be built as a module. If so, the module 745 will be called i2c-mxs. 746 747config I2C_NOMADIK 748 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 749 depends on ARM_AMBA 750 help 751 If you say yes to this option, support will be included for the 752 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 753 as well as the STA2X11 PCIe I/O HUB. 754 755config I2C_OCORES 756 tristate "OpenCores I2C Controller" 757 help 758 If you say yes to this option, support will be included for the 759 OpenCores I2C controller. For details see 760 http://www.opencores.org/projects.cgi/web/i2c/overview 761 762 This driver can also be built as a module. If so, the module 763 will be called i2c-ocores. 764 765config I2C_OMAP 766 tristate "OMAP I2C adapter" 767 depends on ARCH_OMAP 768 default y if MACH_OMAP_H3 || MACH_OMAP_OSK 769 help 770 If you say yes to this option, support will be included for the 771 I2C interface on the Texas Instruments OMAP1/2 family of processors. 772 Like OMAP1510/1610/1710/5912 and OMAP242x. 773 For details see http://www.ti.com/omap. 774 775config I2C_PASEMI 776 tristate "PA Semi SMBus interface" 777 depends on PPC_PASEMI && PCI 778 help 779 Supports the PA Semi PWRficient on-chip SMBus interfaces. 780 781config I2C_PCA_PLATFORM 782 tristate "PCA9564/PCA9665 as platform device" 783 select I2C_ALGOPCA 784 default n 785 help 786 This driver supports a memory mapped Philips PCA9564/PCA9665 787 parallel bus to I2C bus controller. 788 789 This driver can also be built as a module. If so, the module 790 will be called i2c-pca-platform. 791 792config I2C_PMCMSP 793 tristate "PMC MSP I2C TWI Controller" 794 depends on PMC_MSP 795 help 796 This driver supports the PMC TWI controller on MSP devices. 797 798 This driver can also be built as module. If so, the module 799 will be called i2c-pmcmsp. 800 801config I2C_PNX 802 tristate "I2C bus support for Philips PNX and NXP LPC targets" 803 depends on ARCH_LPC32XX 804 help 805 This driver supports the Philips IP3204 I2C IP block master and/or 806 slave controller 807 808 This driver can also be built as a module. If so, the module 809 will be called i2c-pnx. 810 811config I2C_PUV3 812 tristate "PKUnity v3 I2C bus support" 813 depends on UNICORE32 && ARCH_PUV3 814 select I2C_ALGOBIT 815 help 816 This driver supports the I2C IP inside the PKUnity-v3 SoC. 817 This I2C bus controller is under AMBA/AXI bus. 818 819 This driver can also be built as a module. If so, the module 820 will be called i2c-puv3. 821 822config I2C_PXA 823 tristate "Intel PXA2XX I2C adapter" 824 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) 825 help 826 If you have devices in the PXA I2C bus, say yes to this option. 827 This driver can also be built as a module. If so, the module 828 will be called i2c-pxa. 829 830config I2C_PXA_PCI 831 def_bool I2C_PXA && X86_32 && PCI && OF 832 833config I2C_PXA_SLAVE 834 bool "Intel PXA2XX I2C Slave comms support" 835 depends on I2C_PXA && !X86_32 836 help 837 Support I2C slave mode communications on the PXA I2C bus. This 838 is necessary for systems where the PXA may be a target on the 839 I2C bus. 840 841config I2C_QUP 842 tristate "Qualcomm QUP based I2C controller" 843 depends on ARCH_QCOM 844 help 845 If you say yes to this option, support will be included for the 846 built-in I2C interface on the Qualcomm SoCs. 847 848 This driver can also be built as a module. If so, the module 849 will be called i2c-qup. 850 851config I2C_RIIC 852 tristate "Renesas RIIC adapter" 853 depends on ARCH_RENESAS || COMPILE_TEST 854 help 855 If you say yes to this option, support will be included for the 856 Renesas RIIC I2C interface. 857 858 This driver can also be built as a module. If so, the module 859 will be called i2c-riic. 860 861config I2C_RK3X 862 tristate "Rockchip RK3xxx I2C adapter" 863 depends on OF && COMMON_CLK 864 help 865 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 866 SoCs. 867 868 This driver can also be built as a module. If so, the module will 869 be called i2c-rk3x. 870 871config HAVE_S3C2410_I2C 872 bool 873 help 874 This will include I2C support for Samsung SoCs. If you want to 875 include I2C support for any machine, kindly select this in the 876 respective Kconfig file. 877 878config I2C_S3C2410 879 tristate "S3C2410 I2C Driver" 880 depends on HAVE_S3C2410_I2C 881 help 882 Say Y here to include support for I2C controller in the 883 Samsung SoCs. 884 885config I2C_SH7760 886 tristate "Renesas SH7760 I2C Controller" 887 depends on CPU_SUBTYPE_SH7760 888 help 889 This driver supports the 2 I2C interfaces on the Renesas SH7760. 890 891 This driver can also be built as a module. If so, the module 892 will be called i2c-sh7760. 893 894config I2C_SH_MOBILE 895 tristate "SuperH Mobile I2C Controller" 896 depends on HAS_DMA 897 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 898 help 899 If you say yes to this option, support will be included for the 900 built-in I2C interface on the Renesas SH-Mobile processor. 901 902 This driver can also be built as a module. If so, the module 903 will be called i2c-sh_mobile. 904 905config I2C_SIMTEC 906 tristate "Simtec Generic I2C interface" 907 select I2C_ALGOBIT 908 help 909 If you say yes to this option, support will be included for 910 the Simtec Generic I2C interface. This driver is for the 911 simple I2C bus used on newer Simtec products for general 912 I2C, such as DDC on the Simtec BBD2016A. 913 914 This driver can also be built as a module. If so, the module 915 will be called i2c-simtec. 916 917config I2C_SIRF 918 tristate "CSR SiRFprimaII I2C interface" 919 depends on ARCH_SIRF 920 help 921 If you say yes to this option, support will be included for the 922 CSR SiRFprimaII I2C interface. 923 924 This driver can also be built as a module. If so, the module 925 will be called i2c-sirf. 926 927config I2C_SPRD 928 bool "Spreadtrum I2C interface" 929 depends on I2C=y && ARCH_SPRD 930 help 931 If you say yes to this option, support will be included for the 932 Spreadtrum I2C interface. 933 934config I2C_ST 935 tristate "STMicroelectronics SSC I2C support" 936 depends on ARCH_STI 937 help 938 Enable this option to add support for STMicroelectronics SoCs 939 hardware SSC (Synchronous Serial Controller) as an I2C controller. 940 941 This driver can also be built as module. If so, the module 942 will be called i2c-st. 943 944config I2C_STM32F4 945 tristate "STMicroelectronics STM32F4 I2C support" 946 depends on ARCH_STM32 || COMPILE_TEST 947 help 948 Enable this option to add support for STM32 I2C controller embedded 949 in STM32F4 SoCs. 950 951 This driver can also be built as module. If so, the module 952 will be called i2c-stm32f4. 953 954config I2C_STM32F7 955 tristate "STMicroelectronics STM32F7 I2C support" 956 depends on ARCH_STM32 || COMPILE_TEST 957 help 958 Enable this option to add support for STM32 I2C controller embedded 959 in STM32F7 SoCs. 960 961 This driver can also be built as module. If so, the module 962 will be called i2c-stm32f7. 963 964config I2C_STU300 965 tristate "ST Microelectronics DDC I2C interface" 966 depends on MACH_U300 967 default y if MACH_U300 968 help 969 If you say yes to this option, support will be included for the 970 I2C interface from ST Microelectronics simply called "DDC I2C" 971 supporting both I2C and DDC, used in e.g. the U300 series 972 mobile platforms. 973 974 This driver can also be built as a module. If so, the module 975 will be called i2c-stu300. 976 977config I2C_SUN6I_P2WI 978 tristate "Allwinner sun6i internal P2WI controller" 979 depends on RESET_CONTROLLER 980 depends on MACH_SUN6I || COMPILE_TEST 981 help 982 If you say yes to this option, support will be included for the 983 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 984 SOCs. 985 The P2WI looks like an SMBus controller (which supports only byte 986 accesses), except that it only supports one slave device. 987 This interface is used to connect to specific PMIC devices (like the 988 AXP221). 989 990config I2C_TEGRA 991 tristate "NVIDIA Tegra internal I2C controller" 992 depends on ARCH_TEGRA 993 help 994 If you say yes to this option, support will be included for the 995 I2C controller embedded in NVIDIA Tegra SOCs 996 997config I2C_TEGRA_BPMP 998 tristate "NVIDIA Tegra BPMP I2C controller" 999 depends on TEGRA_BPMP 1000 default y 1001 help 1002 If you say yes to this option, support will be included for the I2C 1003 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1004 1005 This I2C driver is a 'virtual' I2C driver. The real driver is part 1006 of the BPMP firmware, and this driver merely communicates with that 1007 real driver. 1008 1009config I2C_UNIPHIER 1010 tristate "UniPhier FIFO-less I2C controller" 1011 depends on ARCH_UNIPHIER || COMPILE_TEST 1012 help 1013 If you say yes to this option, support will be included for 1014 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1015 or older UniPhier SoCs. 1016 1017config I2C_UNIPHIER_F 1018 tristate "UniPhier FIFO-builtin I2C controller" 1019 depends on ARCH_UNIPHIER || COMPILE_TEST 1020 help 1021 If you say yes to this option, support will be included for 1022 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1023 PH1-Pro5, or newer UniPhier SoCs. 1024 1025config I2C_VERSATILE 1026 tristate "ARM Versatile/Realview I2C bus support" 1027 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1028 select I2C_ALGOBIT 1029 help 1030 Say yes if you want to support the I2C serial bus on ARMs Versatile 1031 range of platforms. 1032 1033 This driver can also be built as a module. If so, the module 1034 will be called i2c-versatile. 1035 1036config I2C_WMT 1037 tristate "Wondermedia WM8xxx SoC I2C bus support" 1038 depends on ARCH_VT8500 1039 help 1040 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1041 SoCs. 1042 1043 This driver can also be built as a module. If so, the module will be 1044 called i2c-wmt. 1045 1046config I2C_OCTEON 1047 tristate "Cavium OCTEON I2C bus support" 1048 depends on CAVIUM_OCTEON_SOC 1049 help 1050 Say yes if you want to support the I2C serial bus on Cavium 1051 OCTEON SOC. 1052 1053 This driver can also be built as a module. If so, the module 1054 will be called i2c-octeon. 1055 1056config I2C_THUNDERX 1057 tristate "Cavium ThunderX I2C bus support" 1058 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1059 select I2C_SMBUS 1060 help 1061 Say yes if you want to support the I2C serial bus on Cavium 1062 ThunderX SOC. 1063 1064 This driver can also be built as a module. If so, the module 1065 will be called i2c-thunderx. 1066 1067config I2C_XILINX 1068 tristate "Xilinx I2C Controller" 1069 depends on HAS_IOMEM 1070 help 1071 If you say yes to this option, support will be included for the 1072 Xilinx I2C controller. 1073 1074 This driver can also be built as a module. If so, the module 1075 will be called xilinx_i2c. 1076 1077config I2C_XLR 1078 tristate "Netlogic XLR and Sigma Designs I2C support" 1079 depends on CPU_XLR || ARCH_TANGO 1080 help 1081 This driver enables support for the on-chip I2C interface of 1082 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs. 1083 1084 This driver can also be built as a module. If so, the module 1085 will be called i2c-xlr. 1086 1087config I2C_XLP9XX 1088 tristate "XLP9XX I2C support" 1089 depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST 1090 help 1091 This driver enables support for the on-chip I2C interface of 1092 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors. 1093 1094 This driver can also be built as a module. If so, the module will 1095 be called i2c-xlp9xx. 1096 1097config I2C_RCAR 1098 tristate "Renesas R-Car I2C Controller" 1099 depends on HAS_DMA 1100 depends on ARCH_RENESAS || COMPILE_TEST 1101 select I2C_SLAVE 1102 help 1103 If you say yes to this option, support will be included for the 1104 R-Car I2C controller. 1105 1106 This driver can also be built as a module. If so, the module 1107 will be called i2c-rcar. 1108 1109comment "External I2C/SMBus adapter drivers" 1110 1111config I2C_DIOLAN_U2C 1112 tristate "Diolan U2C-12 USB adapter" 1113 depends on USB 1114 help 1115 If you say yes to this option, support will be included for Diolan 1116 U2C-12, a USB to I2C interface. 1117 1118 This driver can also be built as a module. If so, the module 1119 will be called i2c-diolan-u2c. 1120 1121config I2C_DLN2 1122 tristate "Diolan DLN-2 USB I2C adapter" 1123 depends on MFD_DLN2 1124 help 1125 If you say yes to this option, support will be included for Diolan 1126 DLN2, a USB to I2C interface. 1127 1128 This driver can also be built as a module. If so, the module 1129 will be called i2c-dln2. 1130 1131config I2C_PARPORT 1132 tristate "Parallel port adapter" 1133 depends on PARPORT 1134 select I2C_ALGOBIT 1135 select I2C_SMBUS 1136 help 1137 This supports parallel port I2C adapters such as the ones made by 1138 Philips or Velleman, Analog Devices evaluation boards, and more. 1139 Basically any adapter using the parallel port as an I2C bus with 1140 no extra chipset is supported by this driver, or could be. 1141 1142 This driver is a replacement for (and was inspired by) an older 1143 driver named i2c-philips-par. The new driver supports more devices, 1144 and makes it easier to add support for new devices. 1145 1146 An adapter type parameter is now mandatory. Please read the file 1147 Documentation/i2c/busses/i2c-parport for details. 1148 1149 Another driver exists, named i2c-parport-light, which doesn't depend 1150 on the parport driver. This is meant for embedded systems. Don't say 1151 Y here if you intend to say Y or M there. 1152 1153 This support is also available as a module. If so, the module 1154 will be called i2c-parport. 1155 1156config I2C_PARPORT_LIGHT 1157 tristate "Parallel port adapter (light)" 1158 select I2C_ALGOBIT 1159 select I2C_SMBUS 1160 help 1161 This supports parallel port I2C adapters such as the ones made by 1162 Philips or Velleman, Analog Devices evaluation boards, and more. 1163 Basically any adapter using the parallel port as an I2C bus with 1164 no extra chipset is supported by this driver, or could be. 1165 1166 This driver is a light version of i2c-parport. It doesn't depend 1167 on the parport driver, and uses direct I/O access instead. This 1168 might be preferred on embedded systems where wasting memory for 1169 the clean but heavy parport handling is not an option. The 1170 drawback is a reduced portability and the impossibility to 1171 daisy-chain other parallel port devices. 1172 1173 Don't say Y here if you said Y or M to i2c-parport. Saying M to 1174 both is possible but both modules should not be loaded at the same 1175 time. 1176 1177 This support is also available as a module. If so, the module 1178 will be called i2c-parport-light. 1179 1180config I2C_ROBOTFUZZ_OSIF 1181 tristate "RobotFuzz Open Source InterFace USB adapter" 1182 depends on USB 1183 help 1184 If you say yes to this option, support will be included for the 1185 RobotFuzz Open Source InterFace USB to I2C interface. 1186 1187 This driver can also be built as a module. If so, the module 1188 will be called i2c-osif. 1189 1190config I2C_TAOS_EVM 1191 tristate "TAOS evaluation module" 1192 depends on TTY 1193 select SERIO 1194 select SERIO_SERPORT 1195 default n 1196 help 1197 This supports TAOS evaluation modules on serial port. In order to 1198 use this driver, you will need the inputattach tool, which is part 1199 of the input-utils package. 1200 1201 If unsure, say N. 1202 1203 This support is also available as a module. If so, the module 1204 will be called i2c-taos-evm. 1205 1206config I2C_TINY_USB 1207 tristate "Tiny-USB adapter" 1208 depends on USB 1209 help 1210 If you say yes to this option, support will be included for the 1211 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1212 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1213 1214 This driver can also be built as a module. If so, the module 1215 will be called i2c-tiny-usb. 1216 1217config I2C_VIPERBOARD 1218 tristate "Viperboard I2C master support" 1219 depends on MFD_VIPERBOARD && USB 1220 help 1221 Say yes here to access the I2C part of the Nano River 1222 Technologies Viperboard as I2C master. 1223 See viperboard API specification and Nano 1224 River Tech's viperboard.h for detailed meaning 1225 of the module parameters. 1226 1227comment "Other I2C/SMBus bus drivers" 1228 1229config I2C_ACORN 1230 tristate "Acorn IOC/IOMD I2C bus support" 1231 depends on ARCH_ACORN 1232 default y 1233 select I2C_ALGOBIT 1234 help 1235 Say yes if you want to support the I2C bus on Acorn platforms. 1236 1237 If you don't know, say Y. 1238 1239config I2C_ELEKTOR 1240 tristate "Elektor ISA card" 1241 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1242 select I2C_ALGOPCF 1243 help 1244 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1245 such an adapter. 1246 1247 This support is also available as a module. If so, the module 1248 will be called i2c-elektor. 1249 1250config I2C_MLXCPLD 1251 tristate "Mellanox I2C driver" 1252 depends on X86_64 1253 help 1254 This exposes the Mellanox platform I2C busses to the linux I2C layer 1255 for X86 based systems. 1256 Controller is implemented as CPLD logic. 1257 1258 This driver can also be built as a module. If so, the module will be 1259 called as i2c-mlxcpld. 1260 1261config I2C_PCA_ISA 1262 tristate "PCA9564/PCA9665 on an ISA bus" 1263 depends on ISA 1264 select I2C_ALGOPCA 1265 default n 1266 help 1267 This driver supports ISA boards using the Philips PCA9564/PCA9665 1268 parallel bus to I2C bus controller. 1269 1270 This driver can also be built as a module. If so, the module 1271 will be called i2c-pca-isa. 1272 1273 This device is almost undetectable and using this driver on a 1274 system which doesn't have this device will result in long 1275 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1276 time). If unsure, say N. 1277 1278config I2C_SIBYTE 1279 tristate "SiByte SMBus interface" 1280 depends on SIBYTE_SB1xxx_SOC 1281 help 1282 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1283 1284config I2C_CROS_EC_TUNNEL 1285 tristate "ChromeOS EC tunnel I2C bus" 1286 depends on MFD_CROS_EC 1287 help 1288 If you say yes here you get an I2C bus that will tunnel i2c commands 1289 through to the other side of the ChromeOS EC to the i2c bus 1290 connected there. This will work whatever the interface used to 1291 talk to the EC (SPI, I2C or LPC). 1292 1293config I2C_XGENE_SLIMPRO 1294 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1295 depends on ARCH_XGENE && MAILBOX 1296 help 1297 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1298 co-processor. The I2C device access the I2C bus via the X-Gene 1299 to SLIMpro (On chip coprocessor) mailbox mechanism. 1300 If unsure, say N. 1301 1302config SCx200_ACB 1303 tristate "Geode ACCESS.bus support" 1304 depends on X86_32 && PCI 1305 help 1306 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1307 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1308 1309 If you don't know what to do here, say N. 1310 1311 This support is also available as a module. If so, the module 1312 will be called scx200_acb. 1313 1314config I2C_OPAL 1315 tristate "IBM OPAL I2C driver" 1316 depends on PPC_POWERNV 1317 default y 1318 help 1319 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1320 the driver is based on the OPAL interfaces. 1321 1322 This driver can also be built as a module. If so, the module will be 1323 called as i2c-opal. 1324 1325config I2C_ZX2967 1326 tristate "ZTE ZX2967 I2C support" 1327 depends on ARCH_ZX 1328 default y 1329 help 1330 Selecting this option will add ZX2967 I2C driver. 1331 This driver can also be built as a module. If so, the module will be 1332 called i2c-zx2967. 1333 1334endmenu 1335