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 Sunrise Point-H (PCH) 127 Sunrise Point-LP (PCH) 128 DNV (SOC) 129 Broxton (SOC) 130 Lewisburg (PCH) 131 Gemini Lake (SOC) 132 Cannon Lake-H (PCH) 133 Cannon Lake-LP (PCH) 134 135 This driver can also be built as a module. If so, the module 136 will be called i2c-i801. 137 138config I2C_ISCH 139 tristate "Intel SCH SMBus 1.0" 140 depends on PCI 141 select LPC_SCH 142 help 143 Say Y here if you want to use SMBus controller on the Intel SCH 144 based systems. 145 146 This driver can also be built as a module. If so, the module 147 will be called i2c-isch. 148 149config I2C_ISMT 150 tristate "Intel iSMT SMBus Controller" 151 depends on PCI && X86 152 help 153 If you say yes to this option, support will be included for the Intel 154 iSMT SMBus host controller interface. 155 156 This driver can also be built as a module. If so, the module will be 157 called i2c-ismt. 158 159config I2C_PIIX4 160 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 161 depends on PCI 162 help 163 If you say yes to this option, support will be included for the Intel 164 PIIX4 family of mainboard I2C interfaces. Specifically, the following 165 versions of the chipset are supported (note that Serverworks is part 166 of Broadcom): 167 Intel PIIX4 168 Intel 440MX 169 ATI IXP200 170 ATI IXP300 171 ATI IXP400 172 ATI SB600 173 ATI SB700/SP5100 174 ATI SB800 175 AMD Hudson-2 176 AMD ML 177 AMD CZ 178 Serverworks OSB4 179 Serverworks CSB5 180 Serverworks CSB6 181 Serverworks HT-1000 182 Serverworks HT-1100 183 SMSC Victory66 184 185 Some AMD chipsets contain two PIIX4-compatible SMBus 186 controllers. This driver will attempt to use both controllers 187 on the SB700/SP5100, if they have been initialized by the BIOS. 188 189 This driver can also be built as a module. If so, the module 190 will be called i2c-piix4. 191 192config I2C_CHT_WC 193 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 194 depends on INTEL_SOC_PMIC_CHTWC 195 help 196 If you say yes to this option, support will be included for the 197 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 198 found on some Intel Cherry Trail systems. 199 200config I2C_NFORCE2 201 tristate "Nvidia nForce2, nForce3 and nForce4" 202 depends on PCI 203 help 204 If you say yes to this option, support will be included for the Nvidia 205 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 206 207 This driver can also be built as a module. If so, the module 208 will be called i2c-nforce2. 209 210config I2C_NFORCE2_S4985 211 tristate "SMBus multiplexing on the Tyan S4985" 212 depends on I2C_NFORCE2 && X86 213 help 214 Enabling this option will add specific SMBus support for the Tyan 215 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed 216 over 4 different channels, where the various memory module EEPROMs 217 live. Saying yes here will give you access to these in addition 218 to the trunk. 219 220 This driver can also be built as a module. If so, the module 221 will be called i2c-nforce2-s4985. 222 223config I2C_SIS5595 224 tristate "SiS 5595" 225 depends on PCI 226 help 227 If you say yes to this option, support will be included for the 228 SiS5595 SMBus (a subset of I2C) interface. 229 230 This driver can also be built as a module. If so, the module 231 will be called i2c-sis5595. 232 233config I2C_SIS630 234 tristate "SiS 630/730/964" 235 depends on PCI 236 help 237 If you say yes to this option, support will be included for the 238 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 239 240 This driver can also be built as a module. If so, the module 241 will be called i2c-sis630. 242 243config I2C_SIS96X 244 tristate "SiS 96x" 245 depends on PCI 246 help 247 If you say yes to this option, support will be included for the SiS 248 96x SMBus (a subset of I2C) interfaces. Specifically, the following 249 chipsets are supported: 250 645/961 251 645DX/961 252 645DX/962 253 648/961 254 650/961 255 735 256 745 257 258 This driver can also be built as a module. If so, the module 259 will be called i2c-sis96x. 260 261config I2C_VIA 262 tristate "VIA VT82C586B" 263 depends on PCI 264 select I2C_ALGOBIT 265 help 266 If you say yes to this option, support will be included for the VIA 267 82C586B I2C interface 268 269 This driver can also be built as a module. If so, the module 270 will be called i2c-via. 271 272config I2C_VIAPRO 273 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 274 depends on PCI 275 help 276 If you say yes to this option, support will be included for the VIA 277 VT82C596 and later SMBus interface. Specifically, the following 278 chipsets are supported: 279 VT82C596A/B 280 VT82C686A/B 281 VT8231 282 VT8233/A 283 VT8235 284 VT8237R/A/S 285 VT8251 286 CX700 287 VX800/VX820 288 VX855/VX875 289 VX900 290 291 This driver can also be built as a module. If so, the module 292 will be called i2c-viapro. 293 294if ACPI 295 296comment "ACPI drivers" 297 298config I2C_SCMI 299 tristate "SMBus Control Method Interface" 300 help 301 This driver supports the SMBus Control Method Interface. It needs the 302 BIOS to declare ACPI control methods as described in the SMBus Control 303 Method Interface specification. 304 305 To compile this driver as a module, choose M here: 306 the module will be called i2c-scmi. 307 308endif # ACPI 309 310comment "Mac SMBus host controller drivers" 311 depends on PPC_CHRP || PPC_PMAC 312 313config I2C_HYDRA 314 tristate "CHRP Apple Hydra Mac I/O I2C interface" 315 depends on PCI && PPC_CHRP 316 select I2C_ALGOBIT 317 help 318 This supports the use of the I2C interface in the Apple Hydra Mac 319 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 320 have such a machine. 321 322 This support is also available as a module. If so, the module 323 will be called i2c-hydra. 324 325config I2C_POWERMAC 326 tristate "Powermac I2C interface" 327 depends on PPC_PMAC 328 default y 329 help 330 This exposes the various PowerMac i2c interfaces to the linux i2c 331 layer and to userland. It is used by various drivers on the PowerMac 332 platform, and should generally be enabled. 333 334 This support is also available as a module. If so, the module 335 will be called i2c-powermac. 336 337comment "I2C system bus drivers (mostly embedded / system-on-chip)" 338 339config I2C_ALTERA 340 tristate "Altera Soft IP I2C" 341 depends on (ARCH_SOCFPGA || NIOS2) && OF 342 help 343 If you say yes to this option, support will be included for the 344 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 345 346 This driver can also be built as a module. If so, the module 347 will be called i2c-altera. 348 349config I2C_ASPEED 350 tristate "Aspeed I2C Controller" 351 depends on ARCH_ASPEED || COMPILE_TEST 352 help 353 If you say yes to this option, support will be included for the 354 Aspeed I2C controller. 355 356 This driver can also be built as a module. If so, the module 357 will be called i2c-aspeed. 358 359config I2C_AT91 360 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 361 depends on ARCH_AT91 362 help 363 This supports the use of the I2C interface on Atmel AT91 364 processors. 365 366 A serious problem is that there is no documented way to issue 367 repeated START conditions for more than two messages, as needed 368 to support combined I2C messages. Use the i2c-gpio driver 369 unless your system can cope with this limitation. 370 371 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 372 don't have clock stretching in transmission mode. For that reason, 373 you can encounter underrun issues causing premature stop sendings if 374 the latency to fill the transmission register is too long. If you 375 are facing this situation, use the i2c-gpio driver. 376 377config I2C_AU1550 378 tristate "Au1550/Au1200/Au1300 SMBus interface" 379 depends on MIPS_ALCHEMY 380 help 381 If you say yes to this option, support will be included for the 382 Au1550/Au1200/Au1300 SMBus interface. 383 384 This driver can also be built as a module. If so, the module 385 will be called i2c-au1550. 386 387config I2C_AXXIA 388 tristate "Axxia I2C controller" 389 depends on ARCH_AXXIA || COMPILE_TEST 390 default ARCH_AXXIA 391 help 392 Say yes if you want to support the I2C bus on Axxia platforms. 393 394 Please note that this controller is limited to transfers of maximum 395 255 bytes in length. Any attempt to to a larger transfer will return 396 an error. 397 398config I2C_BCM2835 399 tristate "Broadcom BCM2835 I2C controller" 400 depends on ARCH_BCM2835 401 help 402 If you say yes to this option, support will be included for the 403 BCM2835 I2C controller. 404 405 If you don't know what to do here, say N. 406 407 This support is also available as a module. If so, the module 408 will be called i2c-bcm2835. 409 410config I2C_BCM_IPROC 411 tristate "Broadcom iProc I2C controller" 412 depends on ARCH_BCM_IPROC || COMPILE_TEST 413 default ARCH_BCM_IPROC 414 help 415 If you say yes to this option, support will be included for the 416 Broadcom iProc I2C controller. 417 418 If you don't know what to do here, say N. 419 420config I2C_BCM_KONA 421 tristate "BCM Kona I2C adapter" 422 depends on ARCH_BCM_MOBILE 423 default y 424 help 425 If you say yes to this option, support will be included for the 426 I2C interface on the Broadcom Kona family of processors. 427 428 If you do not need KONA I2C interface, say N. 429 430config I2C_BRCMSTB 431 tristate "BRCM Settop I2C controller" 432 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST 433 default y 434 help 435 If you say yes to this option, support will be included for the 436 I2C interface on the Broadcom Settop SoCs. 437 438 If you do not need I2C interface, say N. 439 440config I2C_BLACKFIN_TWI 441 tristate "Blackfin TWI I2C support" 442 depends on BLACKFIN 443 depends on !BF561 && !BF531 && !BF532 && !BF533 444 help 445 This is the I2C bus driver for Blackfin on-chip TWI interface. 446 447 This driver can also be built as a module. If so, the module 448 will be called i2c-bfin-twi. 449 450config I2C_BLACKFIN_TWI_CLK_KHZ 451 int "Blackfin TWI I2C clock (kHz)" 452 depends on I2C_BLACKFIN_TWI 453 range 21 400 454 default 50 455 help 456 The unit of the TWI clock is kHz. 457 458config I2C_CADENCE 459 tristate "Cadence I2C Controller" 460 depends on ARCH_ZYNQ || ARM64 || XTENSA 461 help 462 Say yes here to select Cadence I2C Host Controller. This controller is 463 e.g. used by Xilinx Zynq. 464 465config I2C_CBUS_GPIO 466 tristate "CBUS I2C driver" 467 depends on GPIOLIB || COMPILE_TEST 468 help 469 Support for CBUS access using I2C API. Mostly relevant for Nokia 470 Internet Tablets (770, N800 and N810). 471 472 This driver can also be built as a module. If so, the module 473 will be called i2c-cbus-gpio. 474 475config I2C_CPM 476 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 477 depends on CPM1 || CPM2 478 help 479 This supports the use of the I2C interface on Freescale 480 processors with CPM1 or CPM2. 481 482 This driver can also be built as a module. If so, the module 483 will be called i2c-cpm. 484 485config I2C_DAVINCI 486 tristate "DaVinci I2C driver" 487 depends on ARCH_DAVINCI || ARCH_KEYSTONE 488 help 489 Support for TI DaVinci I2C controller driver. 490 491 This driver can also be built as a module. If so, the module 492 will be called i2c-davinci. 493 494 Please note that this driver might be needed to bring up other 495 devices such as DaVinci NIC. 496 For details please see http://www.ti.com/davinci 497 498config I2C_DESIGNWARE_CORE 499 tristate 500 501config I2C_DESIGNWARE_PLATFORM 502 tristate "Synopsys DesignWare Platform" 503 select I2C_DESIGNWARE_CORE 504 depends on (ACPI && COMMON_CLK) || !ACPI 505 help 506 If you say yes to this option, support will be included for the 507 Synopsys DesignWare I2C adapter. 508 509 This driver can also be built as a module. If so, the module 510 will be called i2c-designware-platform. 511 512config I2C_DESIGNWARE_SLAVE 513 bool "Synopsys DesignWare Slave" 514 select I2C_SLAVE 515 depends on I2C_DESIGNWARE_PLATFORM 516 help 517 If you say yes to this option, support will be included for the 518 Synopsys DesignWare I2C slave adapter. 519 520 This is not a standalone module, this module compiles together with 521 i2c-designware-core. 522 523config I2C_DESIGNWARE_PCI 524 tristate "Synopsys DesignWare PCI" 525 depends on PCI 526 select I2C_DESIGNWARE_CORE 527 help 528 If you say yes to this option, support will be included for the 529 Synopsys DesignWare I2C adapter. Only master mode is supported. 530 531 This driver can also be built as a module. If so, the module 532 will be called i2c-designware-pci. 533 534config I2C_DESIGNWARE_BAYTRAIL 535 bool "Intel Baytrail I2C semaphore support" 536 depends on ACPI 537 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 538 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 539 help 540 This driver enables managed host access to the PMIC I2C bus on select 541 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 542 the host to request uninterrupted access to the PMIC's I2C bus from 543 the platform firmware controlling it. You should say Y if running on 544 a BayTrail system using the AXP288. 545 546config I2C_DIGICOLOR 547 tristate "Conexant Digicolor I2C driver" 548 depends on ARCH_DIGICOLOR 549 help 550 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 551 552 This driver can also be built as a module. If so, the module 553 will be called i2c-digicolor. 554 555config I2C_EFM32 556 tristate "EFM32 I2C controller" 557 depends on ARCH_EFM32 || COMPILE_TEST 558 help 559 This driver supports the i2c block found in Energy Micro's EFM32 560 SoCs. 561 562config I2C_EG20T 563 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 564 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 565 help 566 This driver is for PCH(Platform controller Hub) I2C of EG20T which 567 is an IOH(Input/Output Hub) for x86 embedded processor. 568 This driver can access PCH I2C bus device. 569 570 This driver also can be used for LAPIS Semiconductor IOH(Input/ 571 Output Hub), ML7213, ML7223 and ML7831. 572 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 573 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 574 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 575 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 576 577config I2C_EMEV2 578 tristate "EMMA Mobile series I2C adapter" 579 depends on HAVE_CLK 580 select I2C_SLAVE 581 help 582 If you say yes to this option, support will be included for the 583 I2C interface on the Renesas Electronics EM/EV family of processors. 584 585config I2C_EXYNOS5 586 tristate "Exynos5 high-speed I2C driver" 587 depends on ARCH_EXYNOS && OF 588 default y 589 help 590 High-speed I2C controller on Exynos5 based Samsung SoCs. 591 592config I2C_GPIO 593 tristate "GPIO-based bitbanging I2C" 594 depends on GPIOLIB || COMPILE_TEST 595 select I2C_ALGOBIT 596 help 597 This is a very simple bitbanging I2C driver utilizing the 598 arch-neutral GPIO API to control the SCL and SDA lines. 599 600config I2C_HIGHLANDER 601 tristate "Highlander FPGA SMBus interface" 602 depends on SH_HIGHLANDER 603 help 604 If you say yes to this option, support will be included for 605 the SMBus interface located in the FPGA on various Highlander 606 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 607 FPGAs. This is wholly unrelated to the SoC I2C. 608 609 This driver can also be built as a module. If so, the module 610 will be called i2c-highlander. 611 612config I2C_IBM_IIC 613 tristate "IBM PPC 4xx on-chip I2C interface" 614 depends on 4xx 615 help 616 Say Y here if you want to use IIC peripheral found on 617 embedded IBM PPC 4xx based systems. 618 619 This driver can also be built as a module. If so, the module 620 will be called i2c-ibm_iic. 621 622config I2C_IMG 623 tristate "Imagination Technologies I2C SCB Controller" 624 depends on MIPS || METAG || COMPILE_TEST 625 help 626 Say Y here if you want to use the IMG I2C SCB controller, 627 available on the TZ1090 and other IMG SoCs. 628 629 This driver can also be built as a module. If so, the module 630 will be called i2c-img-scb. 631 632config I2C_IMX 633 tristate "IMX I2C interface" 634 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE 635 help 636 Say Y here if you want to use the IIC bus controller on 637 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 638 639 This driver can also be built as a module. If so, the module 640 will be called i2c-imx. 641 642config I2C_IMX_LPI2C 643 tristate "IMX Low Power I2C interface" 644 depends on ARCH_MXC || COMPILE_TEST 645 help 646 Say Y here if you want to use the Low Power IIC bus controller 647 on the Freescale i.MX processors. 648 649 This driver can also be built as a module. If so, the module 650 will be called i2c-imx-lpi2c. 651 652config I2C_IOP3XX 653 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" 654 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX 655 help 656 Say Y here if you want to use the IIC bus controller on 657 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. 658 659 This driver can also be built as a module. If so, the module 660 will be called i2c-iop3xx. 661 662config I2C_JZ4780 663 tristate "JZ4780 I2C controller interface support" 664 depends on MACH_JZ4780 || COMPILE_TEST 665 help 666 If you say yes to this option, support will be included for the 667 Ingenic JZ4780 I2C controller. 668 669 If you don't know what to do here, say N. 670 671config I2C_KEMPLD 672 tristate "Kontron COM I2C Controller" 673 depends on MFD_KEMPLD 674 help 675 This enables support for the I2C bus interface on some Kontron ETX 676 and COMexpress (ETXexpress) modules. 677 678 This driver can also be built as a module. If so, the module 679 will be called i2c-kempld. 680 681config I2C_LPC2K 682 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 683 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 684 help 685 This driver supports the I2C interface found several NXP 686 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 687 688 This driver can also be built as a module. If so, the module 689 will be called i2c-lpc2k. 690 691config I2C_MESON 692 tristate "Amlogic Meson I2C controller" 693 depends on ARCH_MESON || COMPILE_TEST 694 help 695 If you say yes to this option, support will be included for the 696 I2C interface on the Amlogic Meson family of SoCs. 697 698config I2C_MPC 699 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 700 depends on PPC 701 help 702 If you say yes to this option, support will be included for the 703 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 704 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 705 706 This driver can also be built as a module. If so, the module 707 will be called i2c-mpc. 708 709config I2C_MT65XX 710 tristate "MediaTek I2C adapter" 711 depends on ARCH_MEDIATEK || COMPILE_TEST 712 depends on HAS_DMA 713 help 714 This selects the MediaTek(R) Integrated Inter Circuit bus driver 715 for MT65xx and MT81xx. 716 If you want to use MediaTek(R) I2C interface, say Y or M here. 717 If unsure, say N. 718 719config I2C_MV64XXX 720 tristate "Marvell mv64xxx I2C Controller" 721 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU 722 help 723 If you say yes to this option, support will be included for the 724 built-in I2C interface on the Marvell 64xxx line of host bridges. 725 This driver is also used for Allwinner SoCs I2C controllers. 726 727 This driver can also be built as a module. If so, the module 728 will be called i2c-mv64xxx. 729 730config I2C_MXS 731 tristate "Freescale i.MX28 I2C interface" 732 depends on SOC_IMX28 733 select STMP_DEVICE 734 help 735 Say Y here if you want to use the I2C bus controller on 736 the Freescale i.MX28 processors. 737 738 This driver can also be built as a module. If so, the module 739 will be called i2c-mxs. 740 741config I2C_NOMADIK 742 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 743 depends on ARM_AMBA 744 help 745 If you say yes to this option, support will be included for the 746 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 747 as well as the STA2X11 PCIe I/O HUB. 748 749config I2C_OCORES 750 tristate "OpenCores I2C Controller" 751 help 752 If you say yes to this option, support will be included for the 753 OpenCores I2C controller. For details see 754 http://www.opencores.org/projects.cgi/web/i2c/overview 755 756 This driver can also be built as a module. If so, the module 757 will be called i2c-ocores. 758 759config I2C_OMAP 760 tristate "OMAP I2C adapter" 761 depends on ARCH_OMAP 762 default y if MACH_OMAP_H3 || MACH_OMAP_OSK 763 help 764 If you say yes to this option, support will be included for the 765 I2C interface on the Texas Instruments OMAP1/2 family of processors. 766 Like OMAP1510/1610/1710/5912 and OMAP242x. 767 For details see http://www.ti.com/omap. 768 769config I2C_PASEMI 770 tristate "PA Semi SMBus interface" 771 depends on PPC_PASEMI && PCI 772 help 773 Supports the PA Semi PWRficient on-chip SMBus interfaces. 774 775config I2C_PCA_PLATFORM 776 tristate "PCA9564/PCA9665 as platform device" 777 select I2C_ALGOPCA 778 default n 779 help 780 This driver supports a memory mapped Philips PCA9564/PCA9665 781 parallel bus to I2C bus controller. 782 783 This driver can also be built as a module. If so, the module 784 will be called i2c-pca-platform. 785 786config I2C_PMCMSP 787 tristate "PMC MSP I2C TWI Controller" 788 depends on PMC_MSP 789 help 790 This driver supports the PMC TWI controller on MSP devices. 791 792 This driver can also be built as module. If so, the module 793 will be called i2c-pmcmsp. 794 795config I2C_PNX 796 tristate "I2C bus support for Philips PNX and NXP LPC targets" 797 depends on ARCH_LPC32XX 798 help 799 This driver supports the Philips IP3204 I2C IP block master and/or 800 slave controller 801 802 This driver can also be built as a module. If so, the module 803 will be called i2c-pnx. 804 805config I2C_PUV3 806 tristate "PKUnity v3 I2C bus support" 807 depends on UNICORE32 && ARCH_PUV3 808 select I2C_ALGOBIT 809 help 810 This driver supports the I2C IP inside the PKUnity-v3 SoC. 811 This I2C bus controller is under AMBA/AXI bus. 812 813 This driver can also be built as a module. If so, the module 814 will be called i2c-puv3. 815 816config I2C_PXA 817 tristate "Intel PXA2XX I2C adapter" 818 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) 819 help 820 If you have devices in the PXA I2C bus, say yes to this option. 821 This driver can also be built as a module. If so, the module 822 will be called i2c-pxa. 823 824config I2C_PXA_PCI 825 def_bool I2C_PXA && X86_32 && PCI && OF 826 827config I2C_PXA_SLAVE 828 bool "Intel PXA2XX I2C Slave comms support" 829 depends on I2C_PXA && !X86_32 830 help 831 Support I2C slave mode communications on the PXA I2C bus. This 832 is necessary for systems where the PXA may be a target on the 833 I2C bus. 834 835config I2C_QUP 836 tristate "Qualcomm QUP based I2C controller" 837 depends on ARCH_QCOM 838 help 839 If you say yes to this option, support will be included for the 840 built-in I2C interface on the Qualcomm SoCs. 841 842 This driver can also be built as a module. If so, the module 843 will be called i2c-qup. 844 845config I2C_RIIC 846 tristate "Renesas RIIC adapter" 847 depends on ARCH_RENESAS || COMPILE_TEST 848 help 849 If you say yes to this option, support will be included for the 850 Renesas RIIC I2C interface. 851 852 This driver can also be built as a module. If so, the module 853 will be called i2c-riic. 854 855config I2C_RK3X 856 tristate "Rockchip RK3xxx I2C adapter" 857 depends on OF && COMMON_CLK 858 help 859 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 860 SoCs. 861 862 This driver can also be built as a module. If so, the module will 863 be called i2c-rk3x. 864 865config HAVE_S3C2410_I2C 866 bool 867 help 868 This will include I2C support for Samsung SoCs. If you want to 869 include I2C support for any machine, kindly select this in the 870 respective Kconfig file. 871 872config I2C_S3C2410 873 tristate "S3C2410 I2C Driver" 874 depends on HAVE_S3C2410_I2C 875 help 876 Say Y here to include support for I2C controller in the 877 Samsung SoCs. 878 879config I2C_SH7760 880 tristate "Renesas SH7760 I2C Controller" 881 depends on CPU_SUBTYPE_SH7760 882 help 883 This driver supports the 2 I2C interfaces on the Renesas SH7760. 884 885 This driver can also be built as a module. If so, the module 886 will be called i2c-sh7760. 887 888config I2C_SH_MOBILE 889 tristate "SuperH Mobile I2C Controller" 890 depends on HAS_DMA 891 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 892 help 893 If you say yes to this option, support will be included for the 894 built-in I2C interface on the Renesas SH-Mobile processor. 895 896 This driver can also be built as a module. If so, the module 897 will be called i2c-sh_mobile. 898 899config I2C_SIMTEC 900 tristate "Simtec Generic I2C interface" 901 select I2C_ALGOBIT 902 help 903 If you say yes to this option, support will be included for 904 the Simtec Generic I2C interface. This driver is for the 905 simple I2C bus used on newer Simtec products for general 906 I2C, such as DDC on the Simtec BBD2016A. 907 908 This driver can also be built as a module. If so, the module 909 will be called i2c-simtec. 910 911config I2C_SIRF 912 tristate "CSR SiRFprimaII I2C interface" 913 depends on ARCH_SIRF 914 help 915 If you say yes to this option, support will be included for the 916 CSR SiRFprimaII I2C interface. 917 918 This driver can also be built as a module. If so, the module 919 will be called i2c-sirf. 920 921config I2C_SPRD 922 bool "Spreadtrum I2C interface" 923 depends on I2C=y && ARCH_SPRD 924 help 925 If you say yes to this option, support will be included for the 926 Spreadtrum I2C interface. 927 928config I2C_ST 929 tristate "STMicroelectronics SSC I2C support" 930 depends on ARCH_STI 931 help 932 Enable this option to add support for STMicroelectronics SoCs 933 hardware SSC (Synchronous Serial Controller) as an I2C controller. 934 935 This driver can also be built as module. If so, the module 936 will be called i2c-st. 937 938config I2C_STM32F4 939 tristate "STMicroelectronics STM32F4 I2C support" 940 depends on ARCH_STM32 || COMPILE_TEST 941 help 942 Enable this option to add support for STM32 I2C controller embedded 943 in STM32F4 SoCs. 944 945 This driver can also be built as module. If so, the module 946 will be called i2c-stm32f4. 947 948config I2C_STM32F7 949 tristate "STMicroelectronics STM32F7 I2C support" 950 depends on ARCH_STM32 || COMPILE_TEST 951 help 952 Enable this option to add support for STM32 I2C controller embedded 953 in STM32F7 SoCs. 954 955 This driver can also be built as module. If so, the module 956 will be called i2c-stm32f7. 957 958config I2C_STU300 959 tristate "ST Microelectronics DDC I2C interface" 960 depends on MACH_U300 961 default y if MACH_U300 962 help 963 If you say yes to this option, support will be included for the 964 I2C interface from ST Microelectronics simply called "DDC I2C" 965 supporting both I2C and DDC, used in e.g. the U300 series 966 mobile platforms. 967 968 This driver can also be built as a module. If so, the module 969 will be called i2c-stu300. 970 971config I2C_SUN6I_P2WI 972 tristate "Allwinner sun6i internal P2WI controller" 973 depends on RESET_CONTROLLER 974 depends on MACH_SUN6I || COMPILE_TEST 975 help 976 If you say yes to this option, support will be included for the 977 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 978 SOCs. 979 The P2WI looks like an SMBus controller (which supports only byte 980 accesses), except that it only supports one slave device. 981 This interface is used to connect to specific PMIC devices (like the 982 AXP221). 983 984config I2C_TEGRA 985 tristate "NVIDIA Tegra internal I2C controller" 986 depends on ARCH_TEGRA 987 help 988 If you say yes to this option, support will be included for the 989 I2C controller embedded in NVIDIA Tegra SOCs 990 991config I2C_TEGRA_BPMP 992 tristate "NVIDIA Tegra BPMP I2C controller" 993 depends on TEGRA_BPMP 994 default y 995 help 996 If you say yes to this option, support will be included for the I2C 997 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 998 999 This I2C driver is a 'virtual' I2C driver. The real driver is part 1000 of the BPMP firmware, and this driver merely communicates with that 1001 real driver. 1002 1003config I2C_UNIPHIER 1004 tristate "UniPhier FIFO-less I2C controller" 1005 depends on ARCH_UNIPHIER || COMPILE_TEST 1006 help 1007 If you say yes to this option, support will be included for 1008 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1009 or older UniPhier SoCs. 1010 1011config I2C_UNIPHIER_F 1012 tristate "UniPhier FIFO-builtin I2C controller" 1013 depends on ARCH_UNIPHIER || COMPILE_TEST 1014 help 1015 If you say yes to this option, support will be included for 1016 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1017 PH1-Pro5, or newer UniPhier SoCs. 1018 1019config I2C_VERSATILE 1020 tristate "ARM Versatile/Realview I2C bus support" 1021 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1022 select I2C_ALGOBIT 1023 help 1024 Say yes if you want to support the I2C serial bus on ARMs Versatile 1025 range of platforms. 1026 1027 This driver can also be built as a module. If so, the module 1028 will be called i2c-versatile. 1029 1030config I2C_WMT 1031 tristate "Wondermedia WM8xxx SoC I2C bus support" 1032 depends on ARCH_VT8500 1033 help 1034 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1035 SoCs. 1036 1037 This driver can also be built as a module. If so, the module will be 1038 called i2c-wmt. 1039 1040config I2C_OCTEON 1041 tristate "Cavium OCTEON I2C bus support" 1042 depends on CAVIUM_OCTEON_SOC 1043 help 1044 Say yes if you want to support the I2C serial bus on Cavium 1045 OCTEON SOC. 1046 1047 This driver can also be built as a module. If so, the module 1048 will be called i2c-octeon. 1049 1050config I2C_THUNDERX 1051 tristate "Cavium ThunderX I2C bus support" 1052 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1053 select I2C_SMBUS 1054 help 1055 Say yes if you want to support the I2C serial bus on Cavium 1056 ThunderX SOC. 1057 1058 This driver can also be built as a module. If so, the module 1059 will be called i2c-thunderx. 1060 1061config I2C_XILINX 1062 tristate "Xilinx I2C Controller" 1063 depends on HAS_IOMEM 1064 help 1065 If you say yes to this option, support will be included for the 1066 Xilinx I2C controller. 1067 1068 This driver can also be built as a module. If so, the module 1069 will be called xilinx_i2c. 1070 1071config I2C_XLR 1072 tristate "Netlogic XLR and Sigma Designs I2C support" 1073 depends on CPU_XLR || ARCH_TANGO 1074 help 1075 This driver enables support for the on-chip I2C interface of 1076 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs. 1077 1078 This driver can also be built as a module. If so, the module 1079 will be called i2c-xlr. 1080 1081config I2C_XLP9XX 1082 tristate "XLP9XX I2C support" 1083 depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST 1084 help 1085 This driver enables support for the on-chip I2C interface of 1086 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors. 1087 1088 This driver can also be built as a module. If so, the module will 1089 be called i2c-xlp9xx. 1090 1091config I2C_RCAR 1092 tristate "Renesas R-Car I2C Controller" 1093 depends on HAS_DMA 1094 depends on ARCH_RENESAS || COMPILE_TEST 1095 select I2C_SLAVE 1096 help 1097 If you say yes to this option, support will be included for the 1098 R-Car I2C controller. 1099 1100 This driver can also be built as a module. If so, the module 1101 will be called i2c-rcar. 1102 1103comment "External I2C/SMBus adapter drivers" 1104 1105config I2C_DIOLAN_U2C 1106 tristate "Diolan U2C-12 USB adapter" 1107 depends on USB 1108 help 1109 If you say yes to this option, support will be included for Diolan 1110 U2C-12, a USB to I2C interface. 1111 1112 This driver can also be built as a module. If so, the module 1113 will be called i2c-diolan-u2c. 1114 1115config I2C_DLN2 1116 tristate "Diolan DLN-2 USB I2C adapter" 1117 depends on MFD_DLN2 1118 help 1119 If you say yes to this option, support will be included for Diolan 1120 DLN2, a USB to I2C interface. 1121 1122 This driver can also be built as a module. If so, the module 1123 will be called i2c-dln2. 1124 1125config I2C_PARPORT 1126 tristate "Parallel port adapter" 1127 depends on PARPORT 1128 select I2C_ALGOBIT 1129 select I2C_SMBUS 1130 help 1131 This supports parallel port I2C adapters such as the ones made by 1132 Philips or Velleman, Analog Devices evaluation boards, and more. 1133 Basically any adapter using the parallel port as an I2C bus with 1134 no extra chipset is supported by this driver, or could be. 1135 1136 This driver is a replacement for (and was inspired by) an older 1137 driver named i2c-philips-par. The new driver supports more devices, 1138 and makes it easier to add support for new devices. 1139 1140 An adapter type parameter is now mandatory. Please read the file 1141 Documentation/i2c/busses/i2c-parport for details. 1142 1143 Another driver exists, named i2c-parport-light, which doesn't depend 1144 on the parport driver. This is meant for embedded systems. Don't say 1145 Y here if you intend to say Y or M there. 1146 1147 This support is also available as a module. If so, the module 1148 will be called i2c-parport. 1149 1150config I2C_PARPORT_LIGHT 1151 tristate "Parallel port adapter (light)" 1152 select I2C_ALGOBIT 1153 select I2C_SMBUS 1154 help 1155 This supports parallel port I2C adapters such as the ones made by 1156 Philips or Velleman, Analog Devices evaluation boards, and more. 1157 Basically any adapter using the parallel port as an I2C bus with 1158 no extra chipset is supported by this driver, or could be. 1159 1160 This driver is a light version of i2c-parport. It doesn't depend 1161 on the parport driver, and uses direct I/O access instead. This 1162 might be preferred on embedded systems where wasting memory for 1163 the clean but heavy parport handling is not an option. The 1164 drawback is a reduced portability and the impossibility to 1165 daisy-chain other parallel port devices. 1166 1167 Don't say Y here if you said Y or M to i2c-parport. Saying M to 1168 both is possible but both modules should not be loaded at the same 1169 time. 1170 1171 This support is also available as a module. If so, the module 1172 will be called i2c-parport-light. 1173 1174config I2C_ROBOTFUZZ_OSIF 1175 tristate "RobotFuzz Open Source InterFace USB adapter" 1176 depends on USB 1177 help 1178 If you say yes to this option, support will be included for the 1179 RobotFuzz Open Source InterFace USB to I2C interface. 1180 1181 This driver can also be built as a module. If so, the module 1182 will be called i2c-osif. 1183 1184config I2C_TAOS_EVM 1185 tristate "TAOS evaluation module" 1186 depends on TTY 1187 select SERIO 1188 select SERIO_SERPORT 1189 default n 1190 help 1191 This supports TAOS evaluation modules on serial port. In order to 1192 use this driver, you will need the inputattach tool, which is part 1193 of the input-utils package. 1194 1195 If unsure, say N. 1196 1197 This support is also available as a module. If so, the module 1198 will be called i2c-taos-evm. 1199 1200config I2C_TINY_USB 1201 tristate "Tiny-USB adapter" 1202 depends on USB 1203 help 1204 If you say yes to this option, support will be included for the 1205 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1206 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1207 1208 This driver can also be built as a module. If so, the module 1209 will be called i2c-tiny-usb. 1210 1211config I2C_VIPERBOARD 1212 tristate "Viperboard I2C master support" 1213 depends on MFD_VIPERBOARD && USB 1214 help 1215 Say yes here to access the I2C part of the Nano River 1216 Technologies Viperboard as I2C master. 1217 See viperboard API specification and Nano 1218 River Tech's viperboard.h for detailed meaning 1219 of the module parameters. 1220 1221comment "Other I2C/SMBus bus drivers" 1222 1223config I2C_ACORN 1224 tristate "Acorn IOC/IOMD I2C bus support" 1225 depends on ARCH_ACORN 1226 default y 1227 select I2C_ALGOBIT 1228 help 1229 Say yes if you want to support the I2C bus on Acorn platforms. 1230 1231 If you don't know, say Y. 1232 1233config I2C_ELEKTOR 1234 tristate "Elektor ISA card" 1235 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1236 select I2C_ALGOPCF 1237 help 1238 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1239 such an adapter. 1240 1241 This support is also available as a module. If so, the module 1242 will be called i2c-elektor. 1243 1244config I2C_MLXCPLD 1245 tristate "Mellanox I2C driver" 1246 depends on X86_64 1247 help 1248 This exposes the Mellanox platform I2C busses to the linux I2C layer 1249 for X86 based systems. 1250 Controller is implemented as CPLD logic. 1251 1252 This driver can also be built as a module. If so, the module will be 1253 called as i2c-mlxcpld. 1254 1255config I2C_PCA_ISA 1256 tristate "PCA9564/PCA9665 on an ISA bus" 1257 depends on ISA 1258 select I2C_ALGOPCA 1259 default n 1260 help 1261 This driver supports ISA boards using the Philips PCA9564/PCA9665 1262 parallel bus to I2C bus controller. 1263 1264 This driver can also be built as a module. If so, the module 1265 will be called i2c-pca-isa. 1266 1267 This device is almost undetectable and using this driver on a 1268 system which doesn't have this device will result in long 1269 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1270 time). If unsure, say N. 1271 1272config I2C_SIBYTE 1273 tristate "SiByte SMBus interface" 1274 depends on SIBYTE_SB1xxx_SOC 1275 help 1276 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1277 1278config I2C_CROS_EC_TUNNEL 1279 tristate "ChromeOS EC tunnel I2C bus" 1280 depends on MFD_CROS_EC 1281 help 1282 If you say yes here you get an I2C bus that will tunnel i2c commands 1283 through to the other side of the ChromeOS EC to the i2c bus 1284 connected there. This will work whatever the interface used to 1285 talk to the EC (SPI, I2C or LPC). 1286 1287config I2C_XGENE_SLIMPRO 1288 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1289 depends on ARCH_XGENE && MAILBOX 1290 help 1291 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1292 co-processor. The I2C device access the I2C bus via the X-Gene 1293 to SLIMpro (On chip coprocessor) mailbox mechanism. 1294 If unsure, say N. 1295 1296config SCx200_ACB 1297 tristate "Geode ACCESS.bus support" 1298 depends on X86_32 && PCI 1299 help 1300 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1301 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1302 1303 If you don't know what to do here, say N. 1304 1305 This support is also available as a module. If so, the module 1306 will be called scx200_acb. 1307 1308config I2C_OPAL 1309 tristate "IBM OPAL I2C driver" 1310 depends on PPC_POWERNV 1311 default y 1312 help 1313 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1314 the driver is based on the OPAL interfaces. 1315 1316 This driver can also be built as a module. If so, the module will be 1317 called as i2c-opal. 1318 1319config I2C_ZX2967 1320 tristate "ZTE ZX2967 I2C support" 1321 depends on ARCH_ZX 1322 default y 1323 help 1324 Selecting this option will add ZX2967 I2C driver. 1325 This driver can also be built as a module. If so, the module will be 1326 called i2c-zx2967. 1327 1328endmenu 1329