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_HIX5HD2 || COMPILE_TEST 83 help 84 Say Y here to include support for high-speed I2C controller in the 85 Hisilicon based hix5hd2 SoCs. 86 87 This driver can also be built as a module. If so, the module 88 will be called i2c-hix5hd2. 89 90config I2C_I801 91 tristate "Intel 82801 (ICH/PCH)" 92 depends on PCI 93 select CHECK_SIGNATURE if X86 && DMI 94 select I2C_SMBUS 95 help 96 If you say yes to this option, support will be included for the Intel 97 801 family of mainboard I2C interfaces. Specifically, the following 98 versions of the chipset are supported: 99 82801AA 100 82801AB 101 82801BA 102 82801CA/CAM 103 82801DB 104 82801EB/ER (ICH5/ICH5R) 105 6300ESB 106 ICH6 107 ICH7 108 ESB2 109 ICH8 110 ICH9 111 EP80579 (Tolapai) 112 ICH10 113 5/3400 Series (PCH) 114 6 Series (PCH) 115 Patsburg (PCH) 116 DH89xxCC (PCH) 117 Panther Point (PCH) 118 Lynx Point (PCH) 119 Lynx Point-LP (PCH) 120 Avoton (SOC) 121 Wellsburg (PCH) 122 Coleto Creek (PCH) 123 Wildcat Point (PCH) 124 Wildcat Point-LP (PCH) 125 BayTrail (SOC) 126 Sunrise Point-H (PCH) 127 Sunrise Point-LP (PCH) 128 DNV (SOC) 129 Broxton (SOC) 130 Lewisburg (PCH) 131 132 This driver can also be built as a module. If so, the module 133 will be called i2c-i801. 134 135config I2C_ISCH 136 tristate "Intel SCH SMBus 1.0" 137 depends on PCI 138 select LPC_SCH 139 help 140 Say Y here if you want to use SMBus controller on the Intel SCH 141 based systems. 142 143 This driver can also be built as a module. If so, the module 144 will be called i2c-isch. 145 146config I2C_ISMT 147 tristate "Intel iSMT SMBus Controller" 148 depends on PCI && X86 149 help 150 If you say yes to this option, support will be included for the Intel 151 iSMT SMBus host controller interface. 152 153 This driver can also be built as a module. If so, the module will be 154 called i2c-ismt. 155 156config I2C_PIIX4 157 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 158 depends on PCI 159 help 160 If you say yes to this option, support will be included for the Intel 161 PIIX4 family of mainboard I2C interfaces. Specifically, the following 162 versions of the chipset are supported (note that Serverworks is part 163 of Broadcom): 164 Intel PIIX4 165 Intel 440MX 166 ATI IXP200 167 ATI IXP300 168 ATI IXP400 169 ATI SB600 170 ATI SB700/SP5100 171 ATI SB800 172 AMD Hudson-2 173 AMD ML 174 AMD CZ 175 Serverworks OSB4 176 Serverworks CSB5 177 Serverworks CSB6 178 Serverworks HT-1000 179 Serverworks HT-1100 180 SMSC Victory66 181 182 Some AMD chipsets contain two PIIX4-compatible SMBus 183 controllers. This driver will attempt to use both controllers 184 on the SB700/SP5100, if they have been initialized by the BIOS. 185 186 This driver can also be built as a module. If so, the module 187 will be called i2c-piix4. 188 189config I2C_NFORCE2 190 tristate "Nvidia nForce2, nForce3 and nForce4" 191 depends on PCI 192 help 193 If you say yes to this option, support will be included for the Nvidia 194 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 195 196 This driver can also be built as a module. If so, the module 197 will be called i2c-nforce2. 198 199config I2C_NFORCE2_S4985 200 tristate "SMBus multiplexing on the Tyan S4985" 201 depends on I2C_NFORCE2 && X86 202 help 203 Enabling this option will add specific SMBus support for the Tyan 204 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed 205 over 4 different channels, where the various memory module EEPROMs 206 live. Saying yes here will give you access to these in addition 207 to the trunk. 208 209 This driver can also be built as a module. If so, the module 210 will be called i2c-nforce2-s4985. 211 212config I2C_SIS5595 213 tristate "SiS 5595" 214 depends on PCI 215 help 216 If you say yes to this option, support will be included for the 217 SiS5595 SMBus (a subset of I2C) interface. 218 219 This driver can also be built as a module. If so, the module 220 will be called i2c-sis5595. 221 222config I2C_SIS630 223 tristate "SiS 630/730/964" 224 depends on PCI 225 help 226 If you say yes to this option, support will be included for the 227 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 228 229 This driver can also be built as a module. If so, the module 230 will be called i2c-sis630. 231 232config I2C_SIS96X 233 tristate "SiS 96x" 234 depends on PCI 235 help 236 If you say yes to this option, support will be included for the SiS 237 96x SMBus (a subset of I2C) interfaces. Specifically, the following 238 chipsets are supported: 239 645/961 240 645DX/961 241 645DX/962 242 648/961 243 650/961 244 735 245 745 246 247 This driver can also be built as a module. If so, the module 248 will be called i2c-sis96x. 249 250config I2C_VIA 251 tristate "VIA VT82C586B" 252 depends on PCI 253 select I2C_ALGOBIT 254 help 255 If you say yes to this option, support will be included for the VIA 256 82C586B I2C interface 257 258 This driver can also be built as a module. If so, the module 259 will be called i2c-via. 260 261config I2C_VIAPRO 262 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 263 depends on PCI 264 help 265 If you say yes to this option, support will be included for the VIA 266 VT82C596 and later SMBus interface. Specifically, the following 267 chipsets are supported: 268 VT82C596A/B 269 VT82C686A/B 270 VT8231 271 VT8233/A 272 VT8235 273 VT8237R/A/S 274 VT8251 275 CX700 276 VX800/VX820 277 VX855/VX875 278 VX900 279 280 This driver can also be built as a module. If so, the module 281 will be called i2c-viapro. 282 283if ACPI 284 285comment "ACPI drivers" 286 287config I2C_SCMI 288 tristate "SMBus Control Method Interface" 289 help 290 This driver supports the SMBus Control Method Interface. It needs the 291 BIOS to declare ACPI control methods as described in the SMBus Control 292 Method Interface specification. 293 294 To compile this driver as a module, choose M here: 295 the module will be called i2c-scmi. 296 297endif # ACPI 298 299comment "Mac SMBus host controller drivers" 300 depends on PPC_CHRP || PPC_PMAC 301 302config I2C_HYDRA 303 tristate "CHRP Apple Hydra Mac I/O I2C interface" 304 depends on PCI && PPC_CHRP 305 select I2C_ALGOBIT 306 help 307 This supports the use of the I2C interface in the Apple Hydra Mac 308 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 309 have such a machine. 310 311 This support is also available as a module. If so, the module 312 will be called i2c-hydra. 313 314config I2C_POWERMAC 315 tristate "Powermac I2C interface" 316 depends on PPC_PMAC 317 default y 318 help 319 This exposes the various PowerMac i2c interfaces to the linux i2c 320 layer and to userland. It is used by various drivers on the PowerMac 321 platform, and should generally be enabled. 322 323 This support is also available as a module. If so, the module 324 will be called i2c-powermac. 325 326comment "I2C system bus drivers (mostly embedded / system-on-chip)" 327 328config I2C_AT91 329 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 330 depends on ARCH_AT91 331 help 332 This supports the use of the I2C interface on Atmel AT91 333 processors. 334 335 A serious problem is that there is no documented way to issue 336 repeated START conditions for more than two messages, as needed 337 to support combined I2C messages. Use the i2c-gpio driver 338 unless your system can cope with this limitation. 339 340 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 341 don't have clock stretching in transmission mode. For that reason, 342 you can encounter underrun issues causing premature stop sendings if 343 the latency to fill the transmission register is too long. If you 344 are facing this situation, use the i2c-gpio driver. 345 346config I2C_AU1550 347 tristate "Au1550/Au1200/Au1300 SMBus interface" 348 depends on MIPS_ALCHEMY 349 help 350 If you say yes to this option, support will be included for the 351 Au1550/Au1200/Au1300 SMBus interface. 352 353 This driver can also be built as a module. If so, the module 354 will be called i2c-au1550. 355 356config I2C_AXXIA 357 tristate "Axxia I2C controller" 358 depends on ARCH_AXXIA || COMPILE_TEST 359 default ARCH_AXXIA 360 help 361 Say yes if you want to support the I2C bus on Axxia platforms. 362 363 Please note that this controller is limited to transfers of maximum 364 255 bytes in length. Any attempt to to a larger transfer will return 365 an error. 366 367config I2C_BCM2835 368 tristate "Broadcom BCM2835 I2C controller" 369 depends on ARCH_BCM2835 370 help 371 If you say yes to this option, support will be included for the 372 BCM2835 I2C controller. 373 374 If you don't know what to do here, say N. 375 376 This support is also available as a module. If so, the module 377 will be called i2c-bcm2835. 378 379config I2C_BCM_IPROC 380 tristate "Broadcom iProc I2C controller" 381 depends on ARCH_BCM_IPROC || COMPILE_TEST 382 default ARCH_BCM_IPROC 383 help 384 If you say yes to this option, support will be included for the 385 Broadcom iProc I2C controller. 386 387 If you don't know what to do here, say N. 388 389config I2C_BCM_KONA 390 tristate "BCM Kona I2C adapter" 391 depends on ARCH_BCM_MOBILE 392 default y 393 help 394 If you say yes to this option, support will be included for the 395 I2C interface on the Broadcom Kona family of processors. 396 397 If you do not need KONA I2C interface, say N. 398 399config I2C_BRCMSTB 400 tristate "BRCM Settop I2C controller" 401 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST 402 default y 403 help 404 If you say yes to this option, support will be included for the 405 I2C interface on the Broadcom Settop SoCs. 406 407 If you do not need I2C interface, say N. 408 409config I2C_BLACKFIN_TWI 410 tristate "Blackfin TWI I2C support" 411 depends on BLACKFIN 412 depends on !BF561 && !BF531 && !BF532 && !BF533 413 help 414 This is the I2C bus driver for Blackfin on-chip TWI interface. 415 416 This driver can also be built as a module. If so, the module 417 will be called i2c-bfin-twi. 418 419config I2C_BLACKFIN_TWI_CLK_KHZ 420 int "Blackfin TWI I2C clock (kHz)" 421 depends on I2C_BLACKFIN_TWI 422 range 21 400 423 default 50 424 help 425 The unit of the TWI clock is kHz. 426 427config I2C_CADENCE 428 tristate "Cadence I2C Controller" 429 depends on ARCH_ZYNQ || ARM64 430 help 431 Say yes here to select Cadence I2C Host Controller. This controller is 432 e.g. used by Xilinx Zynq. 433 434config I2C_CBUS_GPIO 435 tristate "CBUS I2C driver" 436 depends on GPIOLIB || COMPILE_TEST 437 help 438 Support for CBUS access using I2C API. Mostly relevant for Nokia 439 Internet Tablets (770, N800 and N810). 440 441 This driver can also be built as a module. If so, the module 442 will be called i2c-cbus-gpio. 443 444config I2C_CPM 445 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 446 depends on CPM1 || CPM2 447 help 448 This supports the use of the I2C interface on Freescale 449 processors with CPM1 or CPM2. 450 451 This driver can also be built as a module. If so, the module 452 will be called i2c-cpm. 453 454config I2C_DAVINCI 455 tristate "DaVinci I2C driver" 456 depends on ARCH_DAVINCI || ARCH_KEYSTONE 457 help 458 Support for TI DaVinci I2C controller driver. 459 460 This driver can also be built as a module. If so, the module 461 will be called i2c-davinci. 462 463 Please note that this driver might be needed to bring up other 464 devices such as DaVinci NIC. 465 For details please see http://www.ti.com/davinci 466 467config I2C_DESIGNWARE_CORE 468 tristate 469 470config I2C_DESIGNWARE_PLATFORM 471 tristate "Synopsys DesignWare Platform" 472 select I2C_DESIGNWARE_CORE 473 depends on (ACPI && COMMON_CLK) || !ACPI 474 help 475 If you say yes to this option, support will be included for the 476 Synopsys DesignWare I2C adapter. Only master mode is supported. 477 478 This driver can also be built as a module. If so, the module 479 will be called i2c-designware-platform. 480 481config I2C_DESIGNWARE_PCI 482 tristate "Synopsys DesignWare PCI" 483 depends on PCI 484 select I2C_DESIGNWARE_CORE 485 help 486 If you say yes to this option, support will be included for the 487 Synopsys DesignWare I2C adapter. Only master mode is supported. 488 489 This driver can also be built as a module. If so, the module 490 will be called i2c-designware-pci. 491 492config I2C_DESIGNWARE_BAYTRAIL 493 bool "Intel Baytrail I2C semaphore support" 494 depends on ACPI 495 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 496 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 497 help 498 This driver enables managed host access to the PMIC I2C bus on select 499 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 500 the host to request uninterrupted access to the PMIC's I2C bus from 501 the platform firmware controlling it. You should say Y if running on 502 a BayTrail system using the AXP288. 503 504config I2C_DIGICOLOR 505 tristate "Conexant Digicolor I2C driver" 506 depends on ARCH_DIGICOLOR 507 help 508 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 509 510 This driver can also be built as a module. If so, the module 511 will be called i2c-digicolor. 512 513config I2C_EFM32 514 tristate "EFM32 I2C controller" 515 depends on ARCH_EFM32 || COMPILE_TEST 516 help 517 This driver supports the i2c block found in Energy Micro's EFM32 518 SoCs. 519 520config I2C_EG20T 521 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 522 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 523 help 524 This driver is for PCH(Platform controller Hub) I2C of EG20T which 525 is an IOH(Input/Output Hub) for x86 embedded processor. 526 This driver can access PCH I2C bus device. 527 528 This driver also can be used for LAPIS Semiconductor IOH(Input/ 529 Output Hub), ML7213, ML7223 and ML7831. 530 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 531 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 532 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 533 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 534 535config I2C_EMEV2 536 tristate "EMMA Mobile series I2C adapter" 537 depends on HAVE_CLK 538 select I2C_SLAVE 539 help 540 If you say yes to this option, support will be included for the 541 I2C interface on the Renesas Electronics EM/EV family of processors. 542 543config I2C_EXYNOS5 544 tristate "Exynos5 high-speed I2C driver" 545 depends on ARCH_EXYNOS && OF 546 default y 547 help 548 High-speed I2C controller on Exynos5 based Samsung SoCs. 549 550config I2C_GPIO 551 tristate "GPIO-based bitbanging I2C" 552 depends on GPIOLIB || COMPILE_TEST 553 select I2C_ALGOBIT 554 help 555 This is a very simple bitbanging I2C driver utilizing the 556 arch-neutral GPIO API to control the SCL and SDA lines. 557 558config I2C_HIGHLANDER 559 tristate "Highlander FPGA SMBus interface" 560 depends on SH_HIGHLANDER 561 help 562 If you say yes to this option, support will be included for 563 the SMBus interface located in the FPGA on various Highlander 564 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 565 FPGAs. This is wholly unrelated to the SoC I2C. 566 567 This driver can also be built as a module. If so, the module 568 will be called i2c-highlander. 569 570config I2C_IBM_IIC 571 tristate "IBM PPC 4xx on-chip I2C interface" 572 depends on 4xx 573 help 574 Say Y here if you want to use IIC peripheral found on 575 embedded IBM PPC 4xx based systems. 576 577 This driver can also be built as a module. If so, the module 578 will be called i2c-ibm_iic. 579 580config I2C_IMG 581 tristate "Imagination Technologies I2C SCB Controller" 582 depends on MIPS || METAG || COMPILE_TEST 583 help 584 Say Y here if you want to use the IMG I2C SCB controller, 585 available on the TZ1090 and other IMG SoCs. 586 587 This driver can also be built as a module. If so, the module 588 will be called i2c-img-scb. 589 590config I2C_IMX 591 tristate "IMX I2C interface" 592 depends on ARCH_MXC || ARCH_LAYERSCAPE 593 help 594 Say Y here if you want to use the IIC bus controller on 595 the Freescale i.MX/MXC or Layerscape processors. 596 597 This driver can also be built as a module. If so, the module 598 will be called i2c-imx. 599 600config I2C_IOP3XX 601 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" 602 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX 603 help 604 Say Y here if you want to use the IIC bus controller on 605 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. 606 607 This driver can also be built as a module. If so, the module 608 will be called i2c-iop3xx. 609 610config I2C_JZ4780 611 tristate "JZ4780 I2C controller interface support" 612 depends on MACH_JZ4780 || COMPILE_TEST 613 help 614 If you say yes to this option, support will be included for the 615 Ingenic JZ4780 I2C controller. 616 617 If you don't know what to do here, say N. 618 619config I2C_KEMPLD 620 tristate "Kontron COM I2C Controller" 621 depends on MFD_KEMPLD 622 help 623 This enables support for the I2C bus interface on some Kontron ETX 624 and COMexpress (ETXexpress) modules. 625 626 This driver can also be built as a module. If so, the module 627 will be called i2c-kempld. 628 629config I2C_LPC2K 630 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 631 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 632 help 633 This driver supports the I2C interface found several NXP 634 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 635 636 This driver can also be built as a module. If so, the module 637 will be called i2c-lpc2k. 638 639config I2C_MESON 640 tristate "Amlogic Meson I2C controller" 641 depends on ARCH_MESON || COMPILE_TEST 642 help 643 If you say yes to this option, support will be included for the 644 I2C interface on the Amlogic Meson family of SoCs. 645 646config I2C_MPC 647 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 648 depends on PPC 649 help 650 If you say yes to this option, support will be included for the 651 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 652 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 653 654 This driver can also be built as a module. If so, the module 655 will be called i2c-mpc. 656 657config I2C_MT65XX 658 tristate "MediaTek I2C adapter" 659 depends on ARCH_MEDIATEK || COMPILE_TEST 660 depends on HAS_DMA 661 help 662 This selects the MediaTek(R) Integrated Inter Circuit bus driver 663 for MT65xx and MT81xx. 664 If you want to use MediaTek(R) I2C interface, say Y or M here. 665 If unsure, say N. 666 667config I2C_MV64XXX 668 tristate "Marvell mv64xxx I2C Controller" 669 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU 670 help 671 If you say yes to this option, support will be included for the 672 built-in I2C interface on the Marvell 64xxx line of host bridges. 673 This driver is also used for Allwinner SoCs I2C controllers. 674 675 This driver can also be built as a module. If so, the module 676 will be called i2c-mv64xxx. 677 678config I2C_MXS 679 tristate "Freescale i.MX28 I2C interface" 680 depends on SOC_IMX28 681 select STMP_DEVICE 682 help 683 Say Y here if you want to use the I2C bus controller on 684 the Freescale i.MX28 processors. 685 686 This driver can also be built as a module. If so, the module 687 will be called i2c-mxs. 688 689config I2C_NOMADIK 690 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 691 depends on ARM_AMBA 692 help 693 If you say yes to this option, support will be included for the 694 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 695 as well as the STA2X11 PCIe I/O HUB. 696 697config I2C_OCORES 698 tristate "OpenCores I2C Controller" 699 help 700 If you say yes to this option, support will be included for the 701 OpenCores I2C controller. For details see 702 http://www.opencores.org/projects.cgi/web/i2c/overview 703 704 This driver can also be built as a module. If so, the module 705 will be called i2c-ocores. 706 707config I2C_OMAP 708 tristate "OMAP I2C adapter" 709 depends on ARCH_OMAP 710 default y if MACH_OMAP_H3 || MACH_OMAP_OSK 711 help 712 If you say yes to this option, support will be included for the 713 I2C interface on the Texas Instruments OMAP1/2 family of processors. 714 Like OMAP1510/1610/1710/5912 and OMAP242x. 715 For details see http://www.ti.com/omap. 716 717config I2C_PASEMI 718 tristate "PA Semi SMBus interface" 719 depends on PPC_PASEMI && PCI 720 help 721 Supports the PA Semi PWRficient on-chip SMBus interfaces. 722 723config I2C_PCA_PLATFORM 724 tristate "PCA9564/PCA9665 as platform device" 725 select I2C_ALGOPCA 726 default n 727 help 728 This driver supports a memory mapped Philips PCA9564/PCA9665 729 parallel bus to I2C bus controller. 730 731 This driver can also be built as a module. If so, the module 732 will be called i2c-pca-platform. 733 734config I2C_PMCMSP 735 tristate "PMC MSP I2C TWI Controller" 736 depends on PMC_MSP 737 help 738 This driver supports the PMC TWI controller on MSP devices. 739 740 This driver can also be built as module. If so, the module 741 will be called i2c-pmcmsp. 742 743config I2C_PNX 744 tristate "I2C bus support for Philips PNX and NXP LPC targets" 745 depends on ARCH_LPC32XX 746 help 747 This driver supports the Philips IP3204 I2C IP block master and/or 748 slave controller 749 750 This driver can also be built as a module. If so, the module 751 will be called i2c-pnx. 752 753config I2C_PUV3 754 tristate "PKUnity v3 I2C bus support" 755 depends on UNICORE32 && ARCH_PUV3 756 select I2C_ALGOBIT 757 help 758 This driver supports the I2C IP inside the PKUnity-v3 SoC. 759 This I2C bus controller is under AMBA/AXI bus. 760 761 This driver can also be built as a module. If so, the module 762 will be called i2c-puv3. 763 764config I2C_PXA 765 tristate "Intel PXA2XX I2C adapter" 766 depends on ARCH_PXA || ARCH_MMP || (X86_32 && PCI && OF) 767 help 768 If you have devices in the PXA I2C bus, say yes to this option. 769 This driver can also be built as a module. If so, the module 770 will be called i2c-pxa. 771 772config I2C_PXA_PCI 773 def_bool I2C_PXA && X86_32 && PCI && OF 774 775config I2C_PXA_SLAVE 776 bool "Intel PXA2XX I2C Slave comms support" 777 depends on I2C_PXA && !X86_32 778 help 779 Support I2C slave mode communications on the PXA I2C bus. This 780 is necessary for systems where the PXA may be a target on the 781 I2C bus. 782 783config I2C_QUP 784 tristate "Qualcomm QUP based I2C controller" 785 depends on ARCH_QCOM 786 help 787 If you say yes to this option, support will be included for the 788 built-in I2C interface on the Qualcomm SoCs. 789 790 This driver can also be built as a module. If so, the module 791 will be called i2c-qup. 792 793config I2C_RIIC 794 tristate "Renesas RIIC adapter" 795 depends on ARCH_RENESAS || COMPILE_TEST 796 help 797 If you say yes to this option, support will be included for the 798 Renesas RIIC I2C interface. 799 800 This driver can also be built as a module. If so, the module 801 will be called i2c-riic. 802 803config I2C_RK3X 804 tristate "Rockchip RK3xxx I2C adapter" 805 depends on OF && COMMON_CLK 806 help 807 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 808 SoCs. 809 810 This driver can also be built as a module. If so, the module will 811 be called i2c-rk3x. 812 813config HAVE_S3C2410_I2C 814 bool 815 help 816 This will include I2C support for Samsung SoCs. If you want to 817 include I2C support for any machine, kindly select this in the 818 respective Kconfig file. 819 820config I2C_S3C2410 821 tristate "S3C2410 I2C Driver" 822 depends on HAVE_S3C2410_I2C 823 help 824 Say Y here to include support for I2C controller in the 825 Samsung SoCs. 826 827config I2C_SH7760 828 tristate "Renesas SH7760 I2C Controller" 829 depends on CPU_SUBTYPE_SH7760 830 help 831 This driver supports the 2 I2C interfaces on the Renesas SH7760. 832 833 This driver can also be built as a module. If so, the module 834 will be called i2c-sh7760. 835 836config I2C_SH_MOBILE 837 tristate "SuperH Mobile I2C Controller" 838 depends on HAS_DMA 839 depends on SUPERH || ARCH_RENESAS || COMPILE_TEST 840 help 841 If you say yes to this option, support will be included for the 842 built-in I2C interface on the Renesas SH-Mobile processor. 843 844 This driver can also be built as a module. If so, the module 845 will be called i2c-sh_mobile. 846 847config I2C_SIMTEC 848 tristate "Simtec Generic I2C interface" 849 select I2C_ALGOBIT 850 help 851 If you say yes to this option, support will be included for 852 the Simtec Generic I2C interface. This driver is for the 853 simple I2C bus used on newer Simtec products for general 854 I2C, such as DDC on the Simtec BBD2016A. 855 856 This driver can also be built as a module. If so, the module 857 will be called i2c-simtec. 858 859config I2C_SIRF 860 tristate "CSR SiRFprimaII I2C interface" 861 depends on ARCH_SIRF 862 help 863 If you say yes to this option, support will be included for the 864 CSR SiRFprimaII I2C interface. 865 866 This driver can also be built as a module. If so, the module 867 will be called i2c-sirf. 868 869config I2C_ST 870 tristate "STMicroelectronics SSC I2C support" 871 depends on ARCH_STI 872 help 873 Enable this option to add support for STMicroelectronics SoCs 874 hardware SSC (Synchronous Serial Controller) as an I2C controller. 875 876 This driver can also be built as module. If so, the module 877 will be called i2c-st. 878 879config I2C_STU300 880 tristate "ST Microelectronics DDC I2C interface" 881 depends on MACH_U300 882 default y if MACH_U300 883 help 884 If you say yes to this option, support will be included for the 885 I2C interface from ST Microelectronics simply called "DDC I2C" 886 supporting both I2C and DDC, used in e.g. the U300 series 887 mobile platforms. 888 889 This driver can also be built as a module. If so, the module 890 will be called i2c-stu300. 891 892config I2C_SUN6I_P2WI 893 tristate "Allwinner sun6i internal P2WI controller" 894 depends on RESET_CONTROLLER 895 depends on MACH_SUN6I || COMPILE_TEST 896 help 897 If you say yes to this option, support will be included for the 898 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 899 SOCs. 900 The P2WI looks like an SMBus controller (which supports only byte 901 accesses), except that it only supports one slave device. 902 This interface is used to connect to specific PMIC devices (like the 903 AXP221). 904 905config I2C_TEGRA 906 tristate "NVIDIA Tegra internal I2C controller" 907 depends on ARCH_TEGRA 908 help 909 If you say yes to this option, support will be included for the 910 I2C controller embedded in NVIDIA Tegra SOCs 911 912config I2C_UNIPHIER 913 tristate "UniPhier FIFO-less I2C controller" 914 depends on ARCH_UNIPHIER || COMPILE_TEST 915 help 916 If you say yes to this option, support will be included for 917 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 918 or older UniPhier SoCs. 919 920config I2C_UNIPHIER_F 921 tristate "UniPhier FIFO-builtin I2C controller" 922 depends on ARCH_UNIPHIER || COMPILE_TEST 923 help 924 If you say yes to this option, support will be included for 925 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 926 PH1-Pro5, or newer UniPhier SoCs. 927 928config I2C_VERSATILE 929 tristate "ARM Versatile/Realview I2C bus support" 930 depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 931 select I2C_ALGOBIT 932 help 933 Say yes if you want to support the I2C serial bus on ARMs Versatile 934 range of platforms. 935 936 This driver can also be built as a module. If so, the module 937 will be called i2c-versatile. 938 939config I2C_WMT 940 tristate "Wondermedia WM8xxx SoC I2C bus support" 941 depends on ARCH_VT8500 942 help 943 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 944 SoCs. 945 946 This driver can also be built as a module. If so, the module will be 947 called i2c-wmt. 948 949config I2C_OCTEON 950 tristate "Cavium OCTEON I2C bus support" 951 depends on CAVIUM_OCTEON_SOC 952 help 953 Say yes if you want to support the I2C serial bus on Cavium 954 OCTEON SOC. 955 956 This driver can also be built as a module. If so, the module 957 will be called i2c-octeon. 958 959config I2C_XILINX 960 tristate "Xilinx I2C Controller" 961 depends on HAS_IOMEM 962 help 963 If you say yes to this option, support will be included for the 964 Xilinx I2C controller. 965 966 This driver can also be built as a module. If so, the module 967 will be called xilinx_i2c. 968 969config I2C_XLR 970 tristate "Netlogic XLR and Sigma Designs I2C support" 971 depends on CPU_XLR || ARCH_TANGO 972 help 973 This driver enables support for the on-chip I2C interface of 974 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs. 975 976 This driver can also be built as a module. If so, the module 977 will be called i2c-xlr. 978 979config I2C_XLP9XX 980 tristate "XLP9XX I2C support" 981 depends on CPU_XLP || ARCH_VULCAN || COMPILE_TEST 982 help 983 This driver enables support for the on-chip I2C interface of 984 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors. 985 986 This driver can also be built as a module. If so, the module will 987 be called i2c-xlp9xx. 988 989config I2C_RCAR 990 tristate "Renesas R-Car I2C Controller" 991 depends on HAS_DMA 992 depends on ARCH_RENESAS || COMPILE_TEST 993 select I2C_SLAVE 994 help 995 If you say yes to this option, support will be included for the 996 R-Car I2C controller. 997 998 This driver can also be built as a module. If so, the module 999 will be called i2c-rcar. 1000 1001comment "External I2C/SMBus adapter drivers" 1002 1003config I2C_DIOLAN_U2C 1004 tristate "Diolan U2C-12 USB adapter" 1005 depends on USB 1006 help 1007 If you say yes to this option, support will be included for Diolan 1008 U2C-12, a USB to I2C interface. 1009 1010 This driver can also be built as a module. If so, the module 1011 will be called i2c-diolan-u2c. 1012 1013config I2C_DLN2 1014 tristate "Diolan DLN-2 USB I2C adapter" 1015 depends on MFD_DLN2 1016 help 1017 If you say yes to this option, support will be included for Diolan 1018 DLN2, a USB to I2C interface. 1019 1020 This driver can also be built as a module. If so, the module 1021 will be called i2c-dln2. 1022 1023config I2C_PARPORT 1024 tristate "Parallel port adapter" 1025 depends on PARPORT 1026 select I2C_ALGOBIT 1027 select I2C_SMBUS 1028 help 1029 This supports parallel port I2C adapters such as the ones made by 1030 Philips or Velleman, Analog Devices evaluation boards, and more. 1031 Basically any adapter using the parallel port as an I2C bus with 1032 no extra chipset is supported by this driver, or could be. 1033 1034 This driver is a replacement for (and was inspired by) an older 1035 driver named i2c-philips-par. The new driver supports more devices, 1036 and makes it easier to add support for new devices. 1037 1038 An adapter type parameter is now mandatory. Please read the file 1039 Documentation/i2c/busses/i2c-parport for details. 1040 1041 Another driver exists, named i2c-parport-light, which doesn't depend 1042 on the parport driver. This is meant for embedded systems. Don't say 1043 Y here if you intend to say Y or M there. 1044 1045 This support is also available as a module. If so, the module 1046 will be called i2c-parport. 1047 1048config I2C_PARPORT_LIGHT 1049 tristate "Parallel port adapter (light)" 1050 select I2C_ALGOBIT 1051 select I2C_SMBUS 1052 help 1053 This supports parallel port I2C adapters such as the ones made by 1054 Philips or Velleman, Analog Devices evaluation boards, and more. 1055 Basically any adapter using the parallel port as an I2C bus with 1056 no extra chipset is supported by this driver, or could be. 1057 1058 This driver is a light version of i2c-parport. It doesn't depend 1059 on the parport driver, and uses direct I/O access instead. This 1060 might be preferred on embedded systems where wasting memory for 1061 the clean but heavy parport handling is not an option. The 1062 drawback is a reduced portability and the impossibility to 1063 daisy-chain other parallel port devices. 1064 1065 Don't say Y here if you said Y or M to i2c-parport. Saying M to 1066 both is possible but both modules should not be loaded at the same 1067 time. 1068 1069 This support is also available as a module. If so, the module 1070 will be called i2c-parport-light. 1071 1072config I2C_ROBOTFUZZ_OSIF 1073 tristate "RobotFuzz Open Source InterFace USB adapter" 1074 depends on USB 1075 help 1076 If you say yes to this option, support will be included for the 1077 RobotFuzz Open Source InterFace USB to I2C interface. 1078 1079 This driver can also be built as a module. If so, the module 1080 will be called i2c-osif. 1081 1082config I2C_TAOS_EVM 1083 tristate "TAOS evaluation module" 1084 depends on TTY 1085 select SERIO 1086 select SERIO_SERPORT 1087 default n 1088 help 1089 This supports TAOS evaluation modules on serial port. In order to 1090 use this driver, you will need the inputattach tool, which is part 1091 of the input-utils package. 1092 1093 If unsure, say N. 1094 1095 This support is also available as a module. If so, the module 1096 will be called i2c-taos-evm. 1097 1098config I2C_TINY_USB 1099 tristate "Tiny-USB adapter" 1100 depends on USB 1101 help 1102 If you say yes to this option, support will be included for the 1103 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1104 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1105 1106 This driver can also be built as a module. If so, the module 1107 will be called i2c-tiny-usb. 1108 1109config I2C_VIPERBOARD 1110 tristate "Viperboard I2C master support" 1111 depends on MFD_VIPERBOARD && USB 1112 help 1113 Say yes here to access the I2C part of the Nano River 1114 Technologies Viperboard as I2C master. 1115 See viperboard API specification and Nano 1116 River Tech's viperboard.h for detailed meaning 1117 of the module parameters. 1118 1119comment "Other I2C/SMBus bus drivers" 1120 1121config I2C_ACORN 1122 tristate "Acorn IOC/IOMD I2C bus support" 1123 depends on ARCH_ACORN 1124 default y 1125 select I2C_ALGOBIT 1126 help 1127 Say yes if you want to support the I2C bus on Acorn platforms. 1128 1129 If you don't know, say Y. 1130 1131config I2C_ELEKTOR 1132 tristate "Elektor ISA card" 1133 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1134 select I2C_ALGOPCF 1135 help 1136 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1137 such an adapter. 1138 1139 This support is also available as a module. If so, the module 1140 will be called i2c-elektor. 1141 1142config I2C_PCA_ISA 1143 tristate "PCA9564/PCA9665 on an ISA bus" 1144 depends on ISA 1145 select I2C_ALGOPCA 1146 default n 1147 help 1148 This driver supports ISA boards using the Philips PCA9564/PCA9665 1149 parallel bus to I2C bus controller. 1150 1151 This driver can also be built as a module. If so, the module 1152 will be called i2c-pca-isa. 1153 1154 This device is almost undetectable and using this driver on a 1155 system which doesn't have this device will result in long 1156 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1157 time). If unsure, say N. 1158 1159config I2C_SIBYTE 1160 tristate "SiByte SMBus interface" 1161 depends on SIBYTE_SB1xxx_SOC 1162 help 1163 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1164 1165config I2C_CROS_EC_TUNNEL 1166 tristate "ChromeOS EC tunnel I2C bus" 1167 depends on MFD_CROS_EC 1168 help 1169 If you say yes here you get an I2C bus that will tunnel i2c commands 1170 through to the other side of the ChromeOS EC to the i2c bus 1171 connected there. This will work whatever the interface used to 1172 talk to the EC (SPI, I2C or LPC). 1173 1174config I2C_XGENE_SLIMPRO 1175 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1176 depends on ARCH_XGENE && MAILBOX 1177 help 1178 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1179 co-processor. The I2C device access the I2C bus via the X-Gene 1180 to SLIMpro (On chip coprocessor) mailbox mechanism. 1181 If unsure, say N. 1182 1183config SCx200_ACB 1184 tristate "Geode ACCESS.bus support" 1185 depends on X86_32 && PCI 1186 help 1187 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1188 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1189 1190 If you don't know what to do here, say N. 1191 1192 This support is also available as a module. If so, the module 1193 will be called scx200_acb. 1194 1195config I2C_OPAL 1196 tristate "IBM OPAL I2C driver" 1197 depends on PPC_POWERNV 1198 default y 1199 help 1200 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1201 the driver is based on the OPAL interfaces. 1202 1203 This driver can also be built as a module. If so, the module will be 1204 called as i2c-opal. 1205 1206endmenu 1207