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