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