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 Braswell (SOC) 127 Sunrise Point-H (PCH) 128 Sunrise Point-LP (PCH) 129 Kaby Lake-H (PCH) 130 DNV (SOC) 131 Broxton (SOC) 132 Lewisburg (PCH) 133 Gemini Lake (SOC) 134 Cannon Lake-H (PCH) 135 Cannon Lake-LP (PCH) 136 Cedar Fork (PCH) 137 138 This driver can also be built as a module. If so, the module 139 will be called i2c-i801. 140 141config I2C_ISCH 142 tristate "Intel SCH SMBus 1.0" 143 depends on PCI 144 select LPC_SCH 145 help 146 Say Y here if you want to use SMBus controller on the Intel SCH 147 based systems. 148 149 This driver can also be built as a module. If so, the module 150 will be called i2c-isch. 151 152config I2C_ISMT 153 tristate "Intel iSMT SMBus Controller" 154 depends on PCI && X86 155 help 156 If you say yes to this option, support will be included for the Intel 157 iSMT SMBus host controller interface. 158 159 This driver can also be built as a module. If so, the module will be 160 called i2c-ismt. 161 162config I2C_PIIX4 163 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 164 depends on PCI 165 help 166 If you say yes to this option, support will be included for the Intel 167 PIIX4 family of mainboard I2C interfaces. Specifically, the following 168 versions of the chipset are supported (note that Serverworks is part 169 of Broadcom): 170 Intel PIIX4 171 Intel 440MX 172 ATI IXP200 173 ATI IXP300 174 ATI IXP400 175 ATI SB600 176 ATI SB700/SP5100 177 ATI SB800 178 AMD Hudson-2 179 AMD ML 180 AMD CZ 181 Serverworks OSB4 182 Serverworks CSB5 183 Serverworks CSB6 184 Serverworks HT-1000 185 Serverworks HT-1100 186 SMSC Victory66 187 188 Some AMD chipsets contain two PIIX4-compatible SMBus 189 controllers. This driver will attempt to use both controllers 190 on the SB700/SP5100, if they have been initialized by the BIOS. 191 192 This driver can also be built as a module. If so, the module 193 will be called i2c-piix4. 194 195config I2C_CHT_WC 196 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 197 depends on INTEL_SOC_PMIC_CHTWC 198 help 199 If you say yes to this option, support will be included for the 200 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 201 found on some Intel Cherry Trail systems. 202 203 Note this controller is hooked up to a TI bq24292i charger-IC, 204 combined with a FUSB302 Type-C port-controller as such it is advised 205 to also select CONFIG_CHARGER_BQ24190=m and CONFIG_TYPEC_FUSB302=m 206 (the fusb302 driver currently is in drivers/staging). 207 208config I2C_NFORCE2 209 tristate "Nvidia nForce2, nForce3 and nForce4" 210 depends on PCI 211 help 212 If you say yes to this option, support will be included for the Nvidia 213 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 214 215 This driver can also be built as a module. If so, the module 216 will be called i2c-nforce2. 217 218config I2C_NFORCE2_S4985 219 tristate "SMBus multiplexing on the Tyan S4985" 220 depends on I2C_NFORCE2 && X86 221 help 222 Enabling this option will add specific SMBus support for the Tyan 223 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed 224 over 4 different channels, where the various memory module EEPROMs 225 live. Saying yes here will give you access to these in addition 226 to the trunk. 227 228 This driver can also be built as a module. If so, the module 229 will be called i2c-nforce2-s4985. 230 231config I2C_SIS5595 232 tristate "SiS 5595" 233 depends on PCI 234 help 235 If you say yes to this option, support will be included for the 236 SiS5595 SMBus (a subset of I2C) interface. 237 238 This driver can also be built as a module. If so, the module 239 will be called i2c-sis5595. 240 241config I2C_SIS630 242 tristate "SiS 630/730/964" 243 depends on PCI 244 help 245 If you say yes to this option, support will be included for the 246 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 247 248 This driver can also be built as a module. If so, the module 249 will be called i2c-sis630. 250 251config I2C_SIS96X 252 tristate "SiS 96x" 253 depends on PCI 254 help 255 If you say yes to this option, support will be included for the SiS 256 96x SMBus (a subset of I2C) interfaces. Specifically, the following 257 chipsets are supported: 258 645/961 259 645DX/961 260 645DX/962 261 648/961 262 650/961 263 735 264 745 265 266 This driver can also be built as a module. If so, the module 267 will be called i2c-sis96x. 268 269config I2C_VIA 270 tristate "VIA VT82C586B" 271 depends on PCI 272 select I2C_ALGOBIT 273 help 274 If you say yes to this option, support will be included for the VIA 275 82C586B I2C interface 276 277 This driver can also be built as a module. If so, the module 278 will be called i2c-via. 279 280config I2C_VIAPRO 281 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 282 depends on PCI 283 help 284 If you say yes to this option, support will be included for the VIA 285 VT82C596 and later SMBus interface. Specifically, the following 286 chipsets are supported: 287 VT82C596A/B 288 VT82C686A/B 289 VT8231 290 VT8233/A 291 VT8235 292 VT8237R/A/S 293 VT8251 294 CX700 295 VX800/VX820 296 VX855/VX875 297 VX900 298 299 This driver can also be built as a module. If so, the module 300 will be called i2c-viapro. 301 302if ACPI 303 304comment "ACPI drivers" 305 306config I2C_SCMI 307 tristate "SMBus Control Method Interface" 308 help 309 This driver supports the SMBus Control Method Interface. It needs the 310 BIOS to declare ACPI control methods as described in the SMBus Control 311 Method Interface specification. 312 313 To compile this driver as a module, choose M here: 314 the module will be called i2c-scmi. 315 316endif # ACPI 317 318comment "Mac SMBus host controller drivers" 319 depends on PPC_CHRP || PPC_PMAC 320 321config I2C_HYDRA 322 tristate "CHRP Apple Hydra Mac I/O I2C interface" 323 depends on PCI && PPC_CHRP 324 select I2C_ALGOBIT 325 help 326 This supports the use of the I2C interface in the Apple Hydra Mac 327 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 328 have such a machine. 329 330 This support is also available as a module. If so, the module 331 will be called i2c-hydra. 332 333config I2C_POWERMAC 334 tristate "Powermac I2C interface" 335 depends on PPC_PMAC 336 default y 337 help 338 This exposes the various PowerMac i2c interfaces to the linux i2c 339 layer and to userland. It is used by various drivers on the PowerMac 340 platform, and should generally be enabled. 341 342 This support is also available as a module. If so, the module 343 will be called i2c-powermac. 344 345comment "I2C system bus drivers (mostly embedded / system-on-chip)" 346 347config I2C_ALTERA 348 tristate "Altera Soft IP I2C" 349 depends on (ARCH_SOCFPGA || NIOS2) && OF 350 help 351 If you say yes to this option, support will be included for the 352 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 353 354 This driver can also be built as a module. If so, the module 355 will be called i2c-altera. 356 357config I2C_ASPEED 358 tristate "Aspeed I2C Controller" 359 depends on ARCH_ASPEED || COMPILE_TEST 360 help 361 If you say yes to this option, support will be included for the 362 Aspeed I2C controller. 363 364 This driver can also be built as a module. If so, the module 365 will be called i2c-aspeed. 366 367config I2C_AT91 368 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 369 depends on ARCH_AT91 370 help 371 This supports the use of the I2C interface on Atmel AT91 372 processors. 373 374 A serious problem is that there is no documented way to issue 375 repeated START conditions for more than two messages, as needed 376 to support combined I2C messages. Use the i2c-gpio driver 377 unless your system can cope with this limitation. 378 379 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 380 don't have clock stretching in transmission mode. For that reason, 381 you can encounter underrun issues causing premature stop sendings if 382 the latency to fill the transmission register is too long. If you 383 are facing this situation, use the i2c-gpio driver. 384 385config I2C_AU1550 386 tristate "Au1550/Au1200/Au1300 SMBus interface" 387 depends on MIPS_ALCHEMY 388 help 389 If you say yes to this option, support will be included for the 390 Au1550/Au1200/Au1300 SMBus interface. 391 392 This driver can also be built as a module. If so, the module 393 will be called i2c-au1550. 394 395config I2C_AXXIA 396 tristate "Axxia I2C controller" 397 depends on ARCH_AXXIA || COMPILE_TEST 398 default ARCH_AXXIA 399 help 400 Say yes if you want to support the I2C bus on Axxia platforms. 401 402 Please note that this controller is limited to transfers of maximum 403 255 bytes in length. Any attempt to to a larger transfer will return 404 an error. 405 406config I2C_BCM2835 407 tristate "Broadcom BCM2835 I2C controller" 408 depends on ARCH_BCM2835 409 help 410 If you say yes to this option, support will be included for the 411 BCM2835 I2C controller. 412 413 If you don't know what to do here, say N. 414 415 This support is also available as a module. If so, the module 416 will be called i2c-bcm2835. 417 418config I2C_BCM_IPROC 419 tristate "Broadcom iProc I2C controller" 420 depends on ARCH_BCM_IPROC || COMPILE_TEST 421 default ARCH_BCM_IPROC 422 help 423 If you say yes to this option, support will be included for the 424 Broadcom iProc I2C controller. 425 426 If you don't know what to do here, say N. 427 428config I2C_BCM_KONA 429 tristate "BCM Kona I2C adapter" 430 depends on ARCH_BCM_MOBILE 431 default y 432 help 433 If you say yes to this option, support will be included for the 434 I2C interface on the Broadcom Kona family of processors. 435 436 If you do not need KONA I2C interface, say N. 437 438config I2C_BRCMSTB 439 tristate "BRCM Settop I2C controller" 440 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST 441 default y 442 help 443 If you say yes to this option, support will be included for the 444 I2C interface on the Broadcom Settop SoCs. 445 446 If you do not need I2C interface, say N. 447 448config I2C_BLACKFIN_TWI 449 tristate "Blackfin TWI I2C support" 450 depends on BLACKFIN 451 depends on !BF561 && !BF531 && !BF532 && !BF533 452 help 453 This is the I2C bus driver for Blackfin on-chip TWI interface. 454 455 This driver can also be built as a module. If so, the module 456 will be called i2c-bfin-twi. 457 458config I2C_BLACKFIN_TWI_CLK_KHZ 459 int "Blackfin TWI I2C clock (kHz)" 460 depends on I2C_BLACKFIN_TWI 461 range 21 400 462 default 50 463 help 464 The unit of the TWI clock is kHz. 465 466config I2C_CADENCE 467 tristate "Cadence I2C Controller" 468 depends on ARCH_ZYNQ || ARM64 || XTENSA 469 help 470 Say yes here to select Cadence I2C Host Controller. This controller is 471 e.g. used by Xilinx Zynq. 472 473config I2C_CBUS_GPIO 474 tristate "CBUS I2C driver" 475 depends on GPIOLIB || COMPILE_TEST 476 help 477 Support for CBUS access using I2C API. Mostly relevant for Nokia 478 Internet Tablets (770, N800 and N810). 479 480 This driver can also be built as a module. If so, the module 481 will be called i2c-cbus-gpio. 482 483config I2C_CPM 484 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 485 depends on CPM1 || CPM2 486 help 487 This supports the use of the I2C interface on Freescale 488 processors with CPM1 or CPM2. 489 490 This driver can also be built as a module. If so, the module 491 will be called i2c-cpm. 492 493config I2C_DAVINCI 494 tristate "DaVinci I2C driver" 495 depends on ARCH_DAVINCI || ARCH_KEYSTONE 496 help 497 Support for TI DaVinci I2C controller driver. 498 499 This driver can also be built as a module. If so, the module 500 will be called i2c-davinci. 501 502 Please note that this driver might be needed to bring up other 503 devices such as DaVinci NIC. 504 For details please see http://www.ti.com/davinci 505 506config I2C_DESIGNWARE_CORE 507 tristate 508 509config I2C_DESIGNWARE_PLATFORM 510 tristate "Synopsys DesignWare Platform" 511 select I2C_DESIGNWARE_CORE 512 depends on (ACPI && COMMON_CLK) || !ACPI 513 help 514 If you say yes to this option, support will be included for the 515 Synopsys DesignWare I2C adapter. 516 517 This driver can also be built as a module. If so, the module 518 will be called i2c-designware-platform. 519 520config I2C_DESIGNWARE_SLAVE 521 bool "Synopsys DesignWare Slave" 522 select I2C_SLAVE 523 depends on I2C_DESIGNWARE_PLATFORM 524 help 525 If you say yes to this option, support will be included for the 526 Synopsys DesignWare I2C slave adapter. 527 528 This is not a standalone module, this module compiles together with 529 i2c-designware-core. 530 531config I2C_DESIGNWARE_PCI 532 tristate "Synopsys DesignWare PCI" 533 depends on PCI 534 select I2C_DESIGNWARE_CORE 535 help 536 If you say yes to this option, support will be included for the 537 Synopsys DesignWare I2C adapter. Only master mode is supported. 538 539 This driver can also be built as a module. If so, the module 540 will be called i2c-designware-pci. 541 542config I2C_DESIGNWARE_BAYTRAIL 543 bool "Intel Baytrail I2C semaphore support" 544 depends on ACPI 545 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 546 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 547 help 548 This driver enables managed host access to the PMIC I2C bus on select 549 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 550 the host to request uninterrupted access to the PMIC's I2C bus from 551 the platform firmware controlling it. You should say Y if running on 552 a BayTrail system using the AXP288. 553 554config I2C_DIGICOLOR 555 tristate "Conexant Digicolor I2C driver" 556 depends on ARCH_DIGICOLOR 557 help 558 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 559 560 This driver can also be built as a module. If so, the module 561 will be called i2c-digicolor. 562 563config I2C_EFM32 564 tristate "EFM32 I2C controller" 565 depends on ARCH_EFM32 || COMPILE_TEST 566 help 567 This driver supports the i2c block found in Energy Micro's EFM32 568 SoCs. 569 570config I2C_EG20T 571 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 572 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 573 help 574 This driver is for PCH(Platform controller Hub) I2C of EG20T which 575 is an IOH(Input/Output Hub) for x86 embedded processor. 576 This driver can access PCH I2C bus device. 577 578 This driver also can be used for LAPIS Semiconductor IOH(Input/ 579 Output Hub), ML7213, ML7223 and ML7831. 580 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 581 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 582 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 583 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 584 585config I2C_EMEV2 586 tristate "EMMA Mobile series I2C adapter" 587 depends on HAVE_CLK 588 select I2C_SLAVE 589 help 590 If you say yes to this option, support will be included for the 591 I2C interface on the Renesas Electronics EM/EV family of processors. 592 593config I2C_EXYNOS5 594 tristate "Exynos5 high-speed I2C driver" 595 depends on ARCH_EXYNOS && OF 596 default y 597 help 598 High-speed I2C controller on Exynos5 based Samsung SoCs. 599 600config I2C_GPIO 601 tristate "GPIO-based bitbanging I2C" 602 depends on GPIOLIB || COMPILE_TEST 603 select I2C_ALGOBIT 604 help 605 This is a very simple bitbanging I2C driver utilizing the 606 arch-neutral GPIO API to control the SCL and SDA lines. 607 608config I2C_GPIO_FAULT_INJECTOR 609 bool "GPIO-based fault injector" 610 depends on I2C_GPIO 611 help 612 This adds some functionality to the i2c-gpio driver which can inject 613 faults to an I2C bus, so another bus master can be stress-tested. 614 This is for debugging. If unsure, say 'no'. 615 616config I2C_HIGHLANDER 617 tristate "Highlander FPGA SMBus interface" 618 depends on SH_HIGHLANDER 619 help 620 If you say yes to this option, support will be included for 621 the SMBus interface located in the FPGA on various Highlander 622 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 623 FPGAs. This is wholly unrelated to the SoC I2C. 624 625 This driver can also be built as a module. If so, the module 626 will be called i2c-highlander. 627 628config I2C_IBM_IIC 629 tristate "IBM PPC 4xx on-chip I2C interface" 630 depends on 4xx 631 help 632 Say Y here if you want to use IIC peripheral found on 633 embedded IBM PPC 4xx based systems. 634 635 This driver can also be built as a module. If so, the module 636 will be called i2c-ibm_iic. 637 638config I2C_IMG 639 tristate "Imagination Technologies I2C SCB Controller" 640 depends on MIPS || METAG || COMPILE_TEST 641 help 642 Say Y here if you want to use the IMG I2C SCB controller, 643 available on the TZ1090 and other IMG SoCs. 644 645 This driver can also be built as a module. If so, the module 646 will be called i2c-img-scb. 647 648config I2C_IMX 649 tristate "IMX I2C interface" 650 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE 651 help 652 Say Y here if you want to use the IIC bus controller on 653 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 654 655 This driver can also be built as a module. If so, the module 656 will be called i2c-imx. 657 658config I2C_IMX_LPI2C 659 tristate "IMX Low Power I2C interface" 660 depends on ARCH_MXC || COMPILE_TEST 661 help 662 Say Y here if you want to use the Low Power IIC bus controller 663 on the Freescale i.MX processors. 664 665 This driver can also be built as a module. If so, the module 666 will be called i2c-imx-lpi2c. 667 668config I2C_IOP3XX 669 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" 670 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX 671 help 672 Say Y here if you want to use the IIC bus controller on 673 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. 674 675 This driver can also be built as a module. If so, the module 676 will be called i2c-iop3xx. 677 678config I2C_JZ4780 679 tristate "JZ4780 I2C controller interface support" 680 depends on MACH_JZ4780 || COMPILE_TEST 681 help 682 If you say yes to this option, support will be included for the 683 Ingenic JZ4780 I2C controller. 684 685 If you don't know what to do here, say N. 686 687config I2C_KEMPLD 688 tristate "Kontron COM I2C Controller" 689 depends on MFD_KEMPLD 690 help 691 This enables support for the I2C bus interface on some Kontron ETX 692 and COMexpress (ETXexpress) modules. 693 694 This driver can also be built as a module. If so, the module 695 will be called i2c-kempld. 696 697config I2C_LPC2K 698 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 699 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 700 help 701 This driver supports the I2C interface found several NXP 702 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 703 704 This driver can also be built as a module. If so, the module 705 will be called i2c-lpc2k. 706 707config I2C_MESON 708 tristate "Amlogic Meson I2C controller" 709 depends on ARCH_MESON || COMPILE_TEST 710 help 711 If you say yes to this option, support will be included for the 712 I2C interface on the Amlogic Meson family of SoCs. 713 714config I2C_MPC 715 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 716 depends on PPC 717 help 718 If you say yes to this option, support will be included for the 719 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 720 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 721 722 This driver can also be built as a module. If so, the module 723 will be called i2c-mpc. 724 725config I2C_MT65XX 726 tristate "MediaTek I2C adapter" 727 depends on ARCH_MEDIATEK || COMPILE_TEST 728 depends on HAS_DMA 729 help 730 This selects the MediaTek(R) Integrated Inter Circuit bus driver 731 for MT65xx and MT81xx. 732 If you want to use MediaTek(R) I2C interface, say Y or M here. 733 If unsure, say N. 734 735config I2C_MV64XXX 736 tristate "Marvell mv64xxx I2C Controller" 737 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU 738 help 739 If you say yes to this option, support will be included for the 740 built-in I2C interface on the Marvell 64xxx line of host bridges. 741 This driver is also used for Allwinner SoCs I2C controllers. 742 743 This driver can also be built as a module. If so, the module 744 will be called i2c-mv64xxx. 745 746config I2C_MXS 747 tristate "Freescale i.MX28 I2C interface" 748 depends on SOC_IMX28 749 select STMP_DEVICE 750 help 751 Say Y here if you want to use the I2C bus controller on 752 the Freescale i.MX28 processors. 753 754 This driver can also be built as a module. If so, the module 755 will be called i2c-mxs. 756 757config I2C_NOMADIK 758 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 759 depends on ARM_AMBA 760 help 761 If you say yes to this option, support will be included for the 762 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 763 as well as the STA2X11 PCIe I/O HUB. 764 765config I2C_OCORES 766 tristate "OpenCores I2C Controller" 767 help 768 If you say yes to this option, support will be included for the 769 OpenCores I2C controller. For details see 770 http://www.opencores.org/projects.cgi/web/i2c/overview 771 772 This driver can also be built as a module. If so, the module 773 will be called i2c-ocores. 774 775config I2C_OMAP 776 tristate "OMAP I2C adapter" 777 depends on ARCH_OMAP 778 default y if MACH_OMAP_H3 || MACH_OMAP_OSK 779 help 780 If you say yes to this option, support will be included for the 781 I2C interface on the Texas Instruments OMAP1/2 family of processors. 782 Like OMAP1510/1610/1710/5912 and OMAP242x. 783 For details see http://www.ti.com/omap. 784 785config I2C_PASEMI 786 tristate "PA Semi SMBus interface" 787 depends on PPC_PASEMI && PCI 788 help 789 Supports the PA Semi PWRficient on-chip SMBus interfaces. 790 791config I2C_PCA_PLATFORM 792 tristate "PCA9564/PCA9665 as platform device" 793 select I2C_ALGOPCA 794 default n 795 help 796 This driver supports a memory mapped Philips PCA9564/PCA9665 797 parallel bus to I2C bus controller. 798 799 This driver can also be built as a module. If so, the module 800 will be called i2c-pca-platform. 801 802config I2C_PMCMSP 803 tristate "PMC MSP I2C TWI Controller" 804 depends on PMC_MSP 805 help 806 This driver supports the PMC TWI controller on MSP devices. 807 808 This driver can also be built as module. If so, the module 809 will be called i2c-pmcmsp. 810 811config I2C_PNX 812 tristate "I2C bus support for Philips PNX and NXP LPC targets" 813 depends on ARCH_LPC32XX 814 help 815 This driver supports the Philips IP3204 I2C IP block master and/or 816 slave controller 817 818 This driver can also be built as a module. If so, the module 819 will be called i2c-pnx. 820 821config I2C_PUV3 822 tristate "PKUnity v3 I2C bus support" 823 depends on UNICORE32 && ARCH_PUV3 824 select I2C_ALGOBIT 825 help 826 This driver supports the I2C IP inside the PKUnity-v3 SoC. 827 This I2C bus controller is under AMBA/AXI bus. 828 829 This driver can also be built as a module. If so, the module 830 will be called i2c-puv3. 831 832config I2C_PXA 833 tristate "Intel PXA2XX I2C adapter" 834 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) 835 help 836 If you have devices in the PXA I2C bus, say yes to this option. 837 This driver can also be built as a module. If so, the module 838 will be called i2c-pxa. 839 840config I2C_PXA_PCI 841 def_bool I2C_PXA && X86_32 && PCI && OF 842 843config I2C_PXA_SLAVE 844 bool "Intel PXA2XX I2C Slave comms support" 845 depends on I2C_PXA && !X86_32 846 help 847 Support I2C slave mode communications on the PXA I2C bus. This 848 is necessary for systems where the PXA may be a target on the 849 I2C bus. 850 851config I2C_QUP 852 tristate "Qualcomm QUP based I2C controller" 853 depends on ARCH_QCOM 854 help 855 If you say yes to this option, support will be included for the 856 built-in I2C interface on the Qualcomm SoCs. 857 858 This driver can also be built as a module. If so, the module 859 will be called i2c-qup. 860 861config I2C_RIIC 862 tristate "Renesas RIIC adapter" 863 depends on ARCH_RENESAS || COMPILE_TEST 864 help 865 If you say yes to this option, support will be included for the 866 Renesas RIIC I2C interface. 867 868 This driver can also be built as a module. If so, the module 869 will be called i2c-riic. 870 871config I2C_RK3X 872 tristate "Rockchip RK3xxx I2C adapter" 873 depends on OF && COMMON_CLK 874 help 875 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 876 SoCs. 877 878 This driver can also be built as a module. If so, the module will 879 be called i2c-rk3x. 880 881config HAVE_S3C2410_I2C 882 bool 883 help 884 This will include I2C support for Samsung SoCs. If you want to 885 include I2C support for any machine, kindly select this in the 886 respective Kconfig file. 887 888config I2C_S3C2410 889 tristate "S3C2410 I2C Driver" 890 depends on HAVE_S3C2410_I2C 891 help 892 Say Y here to include support for I2C controller in the 893 Samsung SoCs. 894 895config I2C_SH7760 896 tristate "Renesas SH7760 I2C Controller" 897 depends on CPU_SUBTYPE_SH7760 898 help 899 This driver supports the 2 I2C interfaces on the Renesas SH7760. 900 901 This driver can also be built as a module. If so, the module 902 will be called i2c-sh7760. 903 904config I2C_SH_MOBILE 905 tristate "SuperH Mobile I2C Controller" 906 depends on HAS_DMA 907 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 908 help 909 If you say yes to this option, support will be included for the 910 built-in I2C interface on the Renesas SH-Mobile processor. 911 912 This driver can also be built as a module. If so, the module 913 will be called i2c-sh_mobile. 914 915config I2C_SIMTEC 916 tristate "Simtec Generic I2C interface" 917 select I2C_ALGOBIT 918 help 919 If you say yes to this option, support will be included for 920 the Simtec Generic I2C interface. This driver is for the 921 simple I2C bus used on newer Simtec products for general 922 I2C, such as DDC on the Simtec BBD2016A. 923 924 This driver can also be built as a module. If so, the module 925 will be called i2c-simtec. 926 927config I2C_SIRF 928 tristate "CSR SiRFprimaII I2C interface" 929 depends on ARCH_SIRF 930 help 931 If you say yes to this option, support will be included for the 932 CSR SiRFprimaII I2C interface. 933 934 This driver can also be built as a module. If so, the module 935 will be called i2c-sirf. 936 937config I2C_SPRD 938 bool "Spreadtrum I2C interface" 939 depends on I2C=y && ARCH_SPRD 940 help 941 If you say yes to this option, support will be included for the 942 Spreadtrum I2C interface. 943 944config I2C_ST 945 tristate "STMicroelectronics SSC I2C support" 946 depends on ARCH_STI 947 help 948 Enable this option to add support for STMicroelectronics SoCs 949 hardware SSC (Synchronous Serial Controller) as an I2C controller. 950 951 This driver can also be built as module. If so, the module 952 will be called i2c-st. 953 954config I2C_STM32F4 955 tristate "STMicroelectronics STM32F4 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 STM32F4 SoCs. 960 961 This driver can also be built as module. If so, the module 962 will be called i2c-stm32f4. 963 964config I2C_STM32F7 965 tristate "STMicroelectronics STM32F7 I2C support" 966 depends on ARCH_STM32 || COMPILE_TEST 967 help 968 Enable this option to add support for STM32 I2C controller embedded 969 in STM32F7 SoCs. 970 971 This driver can also be built as module. If so, the module 972 will be called i2c-stm32f7. 973 974config I2C_STU300 975 tristate "ST Microelectronics DDC I2C interface" 976 depends on MACH_U300 977 default y if MACH_U300 978 help 979 If you say yes to this option, support will be included for the 980 I2C interface from ST Microelectronics simply called "DDC I2C" 981 supporting both I2C and DDC, used in e.g. the U300 series 982 mobile platforms. 983 984 This driver can also be built as a module. If so, the module 985 will be called i2c-stu300. 986 987config I2C_SUN6I_P2WI 988 tristate "Allwinner sun6i internal P2WI controller" 989 depends on RESET_CONTROLLER 990 depends on MACH_SUN6I || COMPILE_TEST 991 help 992 If you say yes to this option, support will be included for the 993 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 994 SOCs. 995 The P2WI looks like an SMBus controller (which supports only byte 996 accesses), except that it only supports one slave device. 997 This interface is used to connect to specific PMIC devices (like the 998 AXP221). 999 1000config I2C_SYNQUACER 1001 tristate "Socionext SynQuacer I2C controller" 1002 depends on ARCH_SYNQUACER || COMPILE_TEST 1003 help 1004 Say Y here to include support for the I2C controller used in some 1005 Fujitsu and Socionext SoCs. 1006 1007 This driver can also be built as a module. If so, the module 1008 will be called i2c-synquacer. 1009 1010config I2C_TEGRA 1011 tristate "NVIDIA Tegra internal I2C controller" 1012 depends on ARCH_TEGRA 1013 help 1014 If you say yes to this option, support will be included for the 1015 I2C controller embedded in NVIDIA Tegra SOCs 1016 1017config I2C_TEGRA_BPMP 1018 tristate "NVIDIA Tegra BPMP I2C controller" 1019 depends on TEGRA_BPMP 1020 default y 1021 help 1022 If you say yes to this option, support will be included for the I2C 1023 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1024 1025 This I2C driver is a 'virtual' I2C driver. The real driver is part 1026 of the BPMP firmware, and this driver merely communicates with that 1027 real driver. 1028 1029config I2C_UNIPHIER 1030 tristate "UniPhier FIFO-less I2C controller" 1031 depends on ARCH_UNIPHIER || COMPILE_TEST 1032 help 1033 If you say yes to this option, support will be included for 1034 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1035 or older UniPhier SoCs. 1036 1037config I2C_UNIPHIER_F 1038 tristate "UniPhier FIFO-builtin I2C controller" 1039 depends on ARCH_UNIPHIER || COMPILE_TEST 1040 help 1041 If you say yes to this option, support will be included for 1042 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1043 PH1-Pro5, or newer UniPhier SoCs. 1044 1045config I2C_VERSATILE 1046 tristate "ARM Versatile/Realview I2C bus support" 1047 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1048 select I2C_ALGOBIT 1049 help 1050 Say yes if you want to support the I2C serial bus on ARMs Versatile 1051 range of platforms. 1052 1053 This driver can also be built as a module. If so, the module 1054 will be called i2c-versatile. 1055 1056config I2C_WMT 1057 tristate "Wondermedia WM8xxx SoC I2C bus support" 1058 depends on ARCH_VT8500 1059 help 1060 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1061 SoCs. 1062 1063 This driver can also be built as a module. If so, the module will be 1064 called i2c-wmt. 1065 1066config I2C_OCTEON 1067 tristate "Cavium OCTEON I2C bus support" 1068 depends on CAVIUM_OCTEON_SOC 1069 help 1070 Say yes if you want to support the I2C serial bus on Cavium 1071 OCTEON SOC. 1072 1073 This driver can also be built as a module. If so, the module 1074 will be called i2c-octeon. 1075 1076config I2C_THUNDERX 1077 tristate "Cavium ThunderX I2C bus support" 1078 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1079 select I2C_SMBUS 1080 help 1081 Say yes if you want to support the I2C serial bus on Cavium 1082 ThunderX SOC. 1083 1084 This driver can also be built as a module. If so, the module 1085 will be called i2c-thunderx. 1086 1087config I2C_XILINX 1088 tristate "Xilinx I2C Controller" 1089 depends on HAS_IOMEM 1090 help 1091 If you say yes to this option, support will be included for the 1092 Xilinx I2C controller. 1093 1094 This driver can also be built as a module. If so, the module 1095 will be called xilinx_i2c. 1096 1097config I2C_XLR 1098 tristate "Netlogic XLR and Sigma Designs I2C support" 1099 depends on CPU_XLR || ARCH_TANGO 1100 help 1101 This driver enables support for the on-chip I2C interface of 1102 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs. 1103 1104 This driver can also be built as a module. If so, the module 1105 will be called i2c-xlr. 1106 1107config I2C_XLP9XX 1108 tristate "XLP9XX I2C support" 1109 depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST 1110 help 1111 This driver enables support for the on-chip I2C interface of 1112 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors. 1113 1114 This driver can also be built as a module. If so, the module will 1115 be called i2c-xlp9xx. 1116 1117config I2C_RCAR 1118 tristate "Renesas R-Car I2C Controller" 1119 depends on HAS_DMA 1120 depends on ARCH_RENESAS || COMPILE_TEST 1121 select I2C_SLAVE 1122 help 1123 If you say yes to this option, support will be included for the 1124 R-Car I2C controller. 1125 1126 This driver can also be built as a module. If so, the module 1127 will be called i2c-rcar. 1128 1129comment "External I2C/SMBus adapter drivers" 1130 1131config I2C_DIOLAN_U2C 1132 tristate "Diolan U2C-12 USB adapter" 1133 depends on USB 1134 help 1135 If you say yes to this option, support will be included for Diolan 1136 U2C-12, a USB to I2C interface. 1137 1138 This driver can also be built as a module. If so, the module 1139 will be called i2c-diolan-u2c. 1140 1141config I2C_DLN2 1142 tristate "Diolan DLN-2 USB I2C adapter" 1143 depends on MFD_DLN2 1144 help 1145 If you say yes to this option, support will be included for Diolan 1146 DLN2, a USB to I2C interface. 1147 1148 This driver can also be built as a module. If so, the module 1149 will be called i2c-dln2. 1150 1151config I2C_PARPORT 1152 tristate "Parallel port adapter" 1153 depends on PARPORT 1154 select I2C_ALGOBIT 1155 select I2C_SMBUS 1156 help 1157 This supports parallel port I2C adapters such as the ones made by 1158 Philips or Velleman, Analog Devices evaluation boards, and more. 1159 Basically any adapter using the parallel port as an I2C bus with 1160 no extra chipset is supported by this driver, or could be. 1161 1162 This driver is a replacement for (and was inspired by) an older 1163 driver named i2c-philips-par. The new driver supports more devices, 1164 and makes it easier to add support for new devices. 1165 1166 An adapter type parameter is now mandatory. Please read the file 1167 Documentation/i2c/busses/i2c-parport for details. 1168 1169 Another driver exists, named i2c-parport-light, which doesn't depend 1170 on the parport driver. This is meant for embedded systems. Don't say 1171 Y here if you intend to say Y or M there. 1172 1173 This support is also available as a module. If so, the module 1174 will be called i2c-parport. 1175 1176config I2C_PARPORT_LIGHT 1177 tristate "Parallel port adapter (light)" 1178 select I2C_ALGOBIT 1179 select I2C_SMBUS 1180 help 1181 This supports parallel port I2C adapters such as the ones made by 1182 Philips or Velleman, Analog Devices evaluation boards, and more. 1183 Basically any adapter using the parallel port as an I2C bus with 1184 no extra chipset is supported by this driver, or could be. 1185 1186 This driver is a light version of i2c-parport. It doesn't depend 1187 on the parport driver, and uses direct I/O access instead. This 1188 might be preferred on embedded systems where wasting memory for 1189 the clean but heavy parport handling is not an option. The 1190 drawback is a reduced portability and the impossibility to 1191 daisy-chain other parallel port devices. 1192 1193 Don't say Y here if you said Y or M to i2c-parport. Saying M to 1194 both is possible but both modules should not be loaded at the same 1195 time. 1196 1197 This support is also available as a module. If so, the module 1198 will be called i2c-parport-light. 1199 1200config I2C_ROBOTFUZZ_OSIF 1201 tristate "RobotFuzz Open Source InterFace USB adapter" 1202 depends on USB 1203 help 1204 If you say yes to this option, support will be included for the 1205 RobotFuzz Open Source InterFace USB to I2C interface. 1206 1207 This driver can also be built as a module. If so, the module 1208 will be called i2c-osif. 1209 1210config I2C_TAOS_EVM 1211 tristate "TAOS evaluation module" 1212 depends on TTY 1213 select SERIO 1214 select SERIO_SERPORT 1215 default n 1216 help 1217 This supports TAOS evaluation modules on serial port. In order to 1218 use this driver, you will need the inputattach tool, which is part 1219 of the input-utils package. 1220 1221 If unsure, say N. 1222 1223 This support is also available as a module. If so, the module 1224 will be called i2c-taos-evm. 1225 1226config I2C_TINY_USB 1227 tristate "Tiny-USB adapter" 1228 depends on USB 1229 help 1230 If you say yes to this option, support will be included for the 1231 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1232 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1233 1234 This driver can also be built as a module. If so, the module 1235 will be called i2c-tiny-usb. 1236 1237config I2C_VIPERBOARD 1238 tristate "Viperboard I2C master support" 1239 depends on MFD_VIPERBOARD && USB 1240 help 1241 Say yes here to access the I2C part of the Nano River 1242 Technologies Viperboard as I2C master. 1243 See viperboard API specification and Nano 1244 River Tech's viperboard.h for detailed meaning 1245 of the module parameters. 1246 1247comment "Other I2C/SMBus bus drivers" 1248 1249config I2C_ACORN 1250 tristate "Acorn IOC/IOMD I2C bus support" 1251 depends on ARCH_ACORN 1252 default y 1253 select I2C_ALGOBIT 1254 help 1255 Say yes if you want to support the I2C bus on Acorn platforms. 1256 1257 If you don't know, say Y. 1258 1259config I2C_ELEKTOR 1260 tristate "Elektor ISA card" 1261 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1262 select I2C_ALGOPCF 1263 help 1264 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1265 such an adapter. 1266 1267 This support is also available as a module. If so, the module 1268 will be called i2c-elektor. 1269 1270config I2C_MLXCPLD 1271 tristate "Mellanox I2C driver" 1272 depends on X86_64 1273 help 1274 This exposes the Mellanox platform I2C busses to the linux I2C layer 1275 for X86 based systems. 1276 Controller is implemented as CPLD logic. 1277 1278 This driver can also be built as a module. If so, the module will be 1279 called as i2c-mlxcpld. 1280 1281config I2C_PCA_ISA 1282 tristate "PCA9564/PCA9665 on an ISA bus" 1283 depends on ISA 1284 select I2C_ALGOPCA 1285 default n 1286 help 1287 This driver supports ISA boards using the Philips PCA9564/PCA9665 1288 parallel bus to I2C bus controller. 1289 1290 This driver can also be built as a module. If so, the module 1291 will be called i2c-pca-isa. 1292 1293 This device is almost undetectable and using this driver on a 1294 system which doesn't have this device will result in long 1295 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1296 time). If unsure, say N. 1297 1298config I2C_SIBYTE 1299 tristate "SiByte SMBus interface" 1300 depends on SIBYTE_SB1xxx_SOC 1301 help 1302 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1303 1304config I2C_CROS_EC_TUNNEL 1305 tristate "ChromeOS EC tunnel I2C bus" 1306 depends on MFD_CROS_EC 1307 help 1308 If you say yes here you get an I2C bus that will tunnel i2c commands 1309 through to the other side of the ChromeOS EC to the i2c bus 1310 connected there. This will work whatever the interface used to 1311 talk to the EC (SPI, I2C or LPC). 1312 1313config I2C_XGENE_SLIMPRO 1314 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1315 depends on ARCH_XGENE && MAILBOX 1316 help 1317 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1318 co-processor. The I2C device access the I2C bus via the X-Gene 1319 to SLIMpro (On chip coprocessor) mailbox mechanism. 1320 If unsure, say N. 1321 1322config SCx200_ACB 1323 tristate "Geode ACCESS.bus support" 1324 depends on X86_32 && PCI 1325 help 1326 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1327 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1328 1329 If you don't know what to do here, say N. 1330 1331 This support is also available as a module. If so, the module 1332 will be called scx200_acb. 1333 1334config I2C_OPAL 1335 tristate "IBM OPAL I2C driver" 1336 depends on PPC_POWERNV 1337 default y 1338 help 1339 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1340 the driver is based on the OPAL interfaces. 1341 1342 This driver can also be built as a module. If so, the module will be 1343 called as i2c-opal. 1344 1345config I2C_ZX2967 1346 tristate "ZTE ZX2967 I2C support" 1347 depends on ARCH_ZX 1348 default y 1349 help 1350 Selecting this option will add ZX2967 I2C driver. 1351 This driver can also be built as a module. If so, the module will be 1352 called i2c-zx2967. 1353 1354endmenu 1355