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