1# 2# Sensor device configuration 3# 4 5menu "I2C Hardware Bus support" 6 depends on HAS_IOMEM 7 8comment "PC SMBus host controller drivers" 9 depends on PCI 10 11config I2C_ALI1535 12 tristate "ALI 1535" 13 depends on PCI 14 help 15 If you say yes to this option, support will be included for the SMB 16 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB 17 controller is part of the 7101 device, which is an ACPI-compliant 18 Power Management Unit (PMU). 19 20 This driver can also be built as a module. If so, the module 21 will be called i2c-ali1535. 22 23config I2C_ALI1563 24 tristate "ALI 1563" 25 depends on PCI 26 help 27 If you say yes to this option, support will be included for the SMB 28 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB 29 controller is part of the 7101 device, which is an ACPI-compliant 30 Power Management Unit (PMU). 31 32 This driver can also be built as a module. If so, the module 33 will be called i2c-ali1563. 34 35config I2C_ALI15X3 36 tristate "ALI 15x3" 37 depends on PCI 38 help 39 If you say yes to this option, support will be included for the 40 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces. 41 42 This driver can also be built as a module. If so, the module 43 will be called i2c-ali15x3. 44 45config I2C_AMD756 46 tristate "AMD 756/766/768/8111 and nVidia nForce" 47 depends on PCI 48 help 49 If you say yes to this option, support will be included for the AMD 50 756/766/768 mainboard I2C interfaces. The driver also includes 51 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and 52 the nVidia nForce I2C interface. 53 54 This driver can also be built as a module. If so, the module 55 will be called i2c-amd756. 56 57config I2C_AMD756_S4882 58 tristate "SMBus multiplexing on the Tyan S4882" 59 depends on I2C_AMD756 && X86 60 help 61 Enabling this option will add specific SMBus support for the Tyan 62 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed 63 over 8 different channels, where the various memory module EEPROMs 64 and temperature sensors live. Saying yes here will give you access 65 to these in addition to the trunk. 66 67 This driver can also be built as a module. If so, the module 68 will be called i2c-amd756-s4882. 69 70config I2C_AMD8111 71 tristate "AMD 8111" 72 depends on PCI 73 help 74 If you say yes to this option, support will be included for the 75 second (SMBus 2.0) AMD 8111 mainboard I2C interface. 76 77 This driver can also be built as a module. If so, the module 78 will be called i2c-amd8111. 79 80config I2C_HIX5HD2 81 tristate "Hix5hd2 high-speed I2C driver" 82 depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST 83 help 84 Say Y here to include support for the high-speed I2C controller 85 used in HiSilicon hix5hd2 SoCs. 86 87 This driver can also be built as a module. If so, the module 88 will be called i2c-hix5hd2. 89 90config I2C_I801 91 tristate "Intel 82801 (ICH/PCH)" 92 depends on PCI 93 select CHECK_SIGNATURE if X86 && DMI 94 select I2C_SMBUS 95 help 96 If you say yes to this option, support will be included for the Intel 97 801 family of mainboard I2C interfaces. Specifically, the following 98 versions of the chipset are supported: 99 82801AA 100 82801AB 101 82801BA 102 82801CA/CAM 103 82801DB 104 82801EB/ER (ICH5/ICH5R) 105 6300ESB 106 ICH6 107 ICH7 108 ESB2 109 ICH8 110 ICH9 111 EP80579 (Tolapai) 112 ICH10 113 5/3400 Series (PCH) 114 6 Series (PCH) 115 Patsburg (PCH) 116 DH89xxCC (PCH) 117 Panther Point (PCH) 118 Lynx Point (PCH) 119 Lynx Point-LP (PCH) 120 Avoton (SOC) 121 Wellsburg (PCH) 122 Coleto Creek (PCH) 123 Wildcat Point (PCH) 124 Wildcat Point-LP (PCH) 125 BayTrail (SOC) 126 Braswell (SOC) 127 Sunrise Point-H (PCH) 128 Sunrise Point-LP (PCH) 129 Kaby Lake-H (PCH) 130 DNV (SOC) 131 Broxton (SOC) 132 Lewisburg (PCH) 133 Gemini Lake (SOC) 134 Cannon Lake-H (PCH) 135 Cannon Lake-LP (PCH) 136 Cedar Fork (PCH) 137 138 This driver can also be built as a module. If so, the module 139 will be called i2c-i801. 140 141config I2C_ISCH 142 tristate "Intel SCH SMBus 1.0" 143 depends on PCI 144 select LPC_SCH 145 help 146 Say Y here if you want to use SMBus controller on the Intel SCH 147 based systems. 148 149 This driver can also be built as a module. If so, the module 150 will be called i2c-isch. 151 152config I2C_ISMT 153 tristate "Intel iSMT SMBus Controller" 154 depends on PCI && X86 155 help 156 If you say yes to this option, support will be included for the Intel 157 iSMT SMBus host controller interface. 158 159 This driver can also be built as a module. If so, the module will be 160 called i2c-ismt. 161 162config I2C_PIIX4 163 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" 164 depends on PCI 165 help 166 If you say yes to this option, support will be included for the Intel 167 PIIX4 family of mainboard I2C interfaces. Specifically, the following 168 versions of the chipset are supported (note that Serverworks is part 169 of Broadcom): 170 Intel PIIX4 171 Intel 440MX 172 ATI IXP200 173 ATI IXP300 174 ATI IXP400 175 ATI SB600 176 ATI SB700/SP5100 177 ATI SB800 178 AMD Hudson-2 179 AMD ML 180 AMD CZ 181 Serverworks OSB4 182 Serverworks CSB5 183 Serverworks CSB6 184 Serverworks HT-1000 185 Serverworks HT-1100 186 SMSC Victory66 187 188 Some AMD chipsets contain two PIIX4-compatible SMBus 189 controllers. This driver will attempt to use both controllers 190 on the SB700/SP5100, if they have been initialized by the BIOS. 191 192 This driver can also be built as a module. If so, the module 193 will be called i2c-piix4. 194 195config I2C_CHT_WC 196 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" 197 depends on INTEL_SOC_PMIC_CHTWC 198 help 199 If you say yes to this option, support will be included for the 200 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC 201 found on some Intel Cherry Trail systems. 202 203 Note this controller is hooked up to a TI bq24292i charger-IC, 204 combined with a FUSB302 Type-C port-controller as such it is advised 205 to also select CONFIG_TYPEC_FUSB302=m. 206 207config I2C_NFORCE2 208 tristate "Nvidia nForce2, nForce3 and nForce4" 209 depends on PCI 210 help 211 If you say yes to this option, support will be included for the Nvidia 212 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. 213 214 This driver can also be built as a module. If so, the module 215 will be called i2c-nforce2. 216 217config I2C_NFORCE2_S4985 218 tristate "SMBus multiplexing on the Tyan S4985" 219 depends on I2C_NFORCE2 && X86 220 help 221 Enabling this option will add specific SMBus support for the Tyan 222 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed 223 over 4 different channels, where the various memory module EEPROMs 224 live. Saying yes here will give you access to these in addition 225 to the trunk. 226 227 This driver can also be built as a module. If so, the module 228 will be called i2c-nforce2-s4985. 229 230config I2C_SIS5595 231 tristate "SiS 5595" 232 depends on PCI 233 help 234 If you say yes to this option, support will be included for the 235 SiS5595 SMBus (a subset of I2C) interface. 236 237 This driver can also be built as a module. If so, the module 238 will be called i2c-sis5595. 239 240config I2C_SIS630 241 tristate "SiS 630/730/964" 242 depends on PCI 243 help 244 If you say yes to this option, support will be included for the 245 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. 246 247 This driver can also be built as a module. If so, the module 248 will be called i2c-sis630. 249 250config I2C_SIS96X 251 tristate "SiS 96x" 252 depends on PCI 253 help 254 If you say yes to this option, support will be included for the SiS 255 96x SMBus (a subset of I2C) interfaces. Specifically, the following 256 chipsets are supported: 257 645/961 258 645DX/961 259 645DX/962 260 648/961 261 650/961 262 735 263 745 264 265 This driver can also be built as a module. If so, the module 266 will be called i2c-sis96x. 267 268config I2C_VIA 269 tristate "VIA VT82C586B" 270 depends on PCI 271 select I2C_ALGOBIT 272 help 273 If you say yes to this option, support will be included for the VIA 274 82C586B I2C interface 275 276 This driver can also be built as a module. If so, the module 277 will be called i2c-via. 278 279config I2C_VIAPRO 280 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" 281 depends on PCI 282 help 283 If you say yes to this option, support will be included for the VIA 284 VT82C596 and later SMBus interface. Specifically, the following 285 chipsets are supported: 286 VT82C596A/B 287 VT82C686A/B 288 VT8231 289 VT8233/A 290 VT8235 291 VT8237R/A/S 292 VT8251 293 CX700 294 VX800/VX820 295 VX855/VX875 296 VX900 297 298 This driver can also be built as a module. If so, the module 299 will be called i2c-viapro. 300 301if ACPI 302 303comment "ACPI drivers" 304 305config I2C_SCMI 306 tristate "SMBus Control Method Interface" 307 help 308 This driver supports the SMBus Control Method Interface. It needs the 309 BIOS to declare ACPI control methods as described in the SMBus Control 310 Method Interface specification. 311 312 To compile this driver as a module, choose M here: 313 the module will be called i2c-scmi. 314 315endif # ACPI 316 317comment "Mac SMBus host controller drivers" 318 depends on PPC_CHRP || PPC_PMAC 319 320config I2C_HYDRA 321 tristate "CHRP Apple Hydra Mac I/O I2C interface" 322 depends on PCI && PPC_CHRP 323 select I2C_ALGOBIT 324 help 325 This supports the use of the I2C interface in the Apple Hydra Mac 326 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you 327 have such a machine. 328 329 This support is also available as a module. If so, the module 330 will be called i2c-hydra. 331 332config I2C_POWERMAC 333 tristate "Powermac I2C interface" 334 depends on PPC_PMAC 335 default y 336 help 337 This exposes the various PowerMac i2c interfaces to the linux i2c 338 layer and to userland. It is used by various drivers on the PowerMac 339 platform, and should generally be enabled. 340 341 This support is also available as a module. If so, the module 342 will be called i2c-powermac. 343 344comment "I2C system bus drivers (mostly embedded / system-on-chip)" 345 346config I2C_ALTERA 347 tristate "Altera Soft IP I2C" 348 depends on (ARCH_SOCFPGA || NIOS2) && OF 349 help 350 If you say yes to this option, support will be included for the 351 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. 352 353 This driver can also be built as a module. If so, the module 354 will be called i2c-altera. 355 356config I2C_ASPEED 357 tristate "Aspeed I2C Controller" 358 depends on ARCH_ASPEED || COMPILE_TEST 359 help 360 If you say yes to this option, support will be included for the 361 Aspeed I2C controller. 362 363 This driver can also be built as a module. If so, the module 364 will be called i2c-aspeed. 365 366config I2C_AT91 367 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" 368 depends on ARCH_AT91 369 help 370 This supports the use of the I2C interface on Atmel AT91 371 processors. 372 373 A serious problem is that there is no documented way to issue 374 repeated START conditions for more than two messages, as needed 375 to support combined I2C messages. Use the i2c-gpio driver 376 unless your system can cope with this limitation. 377 378 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices 379 don't have clock stretching in transmission mode. For that reason, 380 you can encounter underrun issues causing premature stop sendings if 381 the latency to fill the transmission register is too long. If you 382 are facing this situation, use the i2c-gpio driver. 383 384config I2C_AU1550 385 tristate "Au1550/Au1200/Au1300 SMBus interface" 386 depends on MIPS_ALCHEMY 387 help 388 If you say yes to this option, support will be included for the 389 Au1550/Au1200/Au1300 SMBus interface. 390 391 This driver can also be built as a module. If so, the module 392 will be called i2c-au1550. 393 394config I2C_AXXIA 395 tristate "Axxia I2C controller" 396 depends on ARCH_AXXIA || COMPILE_TEST 397 default ARCH_AXXIA 398 help 399 Say yes if you want to support the I2C bus on Axxia platforms. 400 401 Please note that this controller is limited to transfers of maximum 402 255 bytes in length. Any attempt to to a larger transfer will return 403 an error. 404 405config I2C_BCM2835 406 tristate "Broadcom BCM2835 I2C controller" 407 depends on ARCH_BCM2835 408 help 409 If you say yes to this option, support will be included for the 410 BCM2835 I2C controller. 411 412 If you don't know what to do here, say N. 413 414 This support is also available as a module. If so, the module 415 will be called i2c-bcm2835. 416 417config I2C_BCM_IPROC 418 tristate "Broadcom iProc I2C controller" 419 depends on ARCH_BCM_IPROC || COMPILE_TEST 420 default ARCH_BCM_IPROC 421 help 422 If you say yes to this option, support will be included for the 423 Broadcom iProc I2C controller. 424 425 If you don't know what to do here, say N. 426 427config I2C_BCM_KONA 428 tristate "BCM Kona I2C adapter" 429 depends on ARCH_BCM_MOBILE 430 default y 431 help 432 If you say yes to this option, support will be included for the 433 I2C interface on the Broadcom Kona family of processors. 434 435 If you do not need KONA I2C interface, say N. 436 437config I2C_BRCMSTB 438 tristate "BRCM Settop I2C controller" 439 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST 440 default y 441 help 442 If you say yes to this option, support will be included for the 443 I2C interface on the Broadcom Settop SoCs. 444 445 If you do not need I2C interface, say N. 446 447config I2C_CADENCE 448 tristate "Cadence I2C Controller" 449 depends on ARCH_ZYNQ || ARM64 || XTENSA 450 help 451 Say yes here to select Cadence I2C Host Controller. This controller is 452 e.g. used by Xilinx Zynq. 453 454config I2C_CBUS_GPIO 455 tristate "CBUS I2C driver" 456 depends on GPIOLIB || COMPILE_TEST 457 help 458 Support for CBUS access using I2C API. Mostly relevant for Nokia 459 Internet Tablets (770, N800 and N810). 460 461 This driver can also be built as a module. If so, the module 462 will be called i2c-cbus-gpio. 463 464config I2C_CPM 465 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" 466 depends on CPM1 || CPM2 467 help 468 This supports the use of the I2C interface on Freescale 469 processors with CPM1 or CPM2. 470 471 This driver can also be built as a module. If so, the module 472 will be called i2c-cpm. 473 474config I2C_DAVINCI 475 tristate "DaVinci I2C driver" 476 depends on ARCH_DAVINCI || ARCH_KEYSTONE 477 help 478 Support for TI DaVinci I2C controller driver. 479 480 This driver can also be built as a module. If so, the module 481 will be called i2c-davinci. 482 483 Please note that this driver might be needed to bring up other 484 devices such as DaVinci NIC. 485 For details please see http://www.ti.com/davinci 486 487config I2C_DESIGNWARE_CORE 488 tristate 489 490config I2C_DESIGNWARE_PLATFORM 491 tristate "Synopsys DesignWare Platform" 492 select I2C_DESIGNWARE_CORE 493 depends on (ACPI && COMMON_CLK) || !ACPI 494 help 495 If you say yes to this option, support will be included for the 496 Synopsys DesignWare I2C adapter. 497 498 This driver can also be built as a module. If so, the module 499 will be called i2c-designware-platform. 500 501config I2C_DESIGNWARE_SLAVE 502 bool "Synopsys DesignWare Slave" 503 select I2C_SLAVE 504 depends on I2C_DESIGNWARE_PLATFORM 505 help 506 If you say yes to this option, support will be included for the 507 Synopsys DesignWare I2C slave adapter. 508 509 This is not a standalone module, this module compiles together with 510 i2c-designware-core. 511 512config I2C_DESIGNWARE_PCI 513 tristate "Synopsys DesignWare PCI" 514 depends on PCI 515 select I2C_DESIGNWARE_CORE 516 help 517 If you say yes to this option, support will be included for the 518 Synopsys DesignWare I2C adapter. Only master mode is supported. 519 520 This driver can also be built as a module. If so, the module 521 will be called i2c-designware-pci. 522 523config I2C_DESIGNWARE_BAYTRAIL 524 bool "Intel Baytrail I2C semaphore support" 525 depends on ACPI 526 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ 527 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) 528 help 529 This driver enables managed host access to the PMIC I2C bus on select 530 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows 531 the host to request uninterrupted access to the PMIC's I2C bus from 532 the platform firmware controlling it. You should say Y if running on 533 a BayTrail system using the AXP288. 534 535config I2C_DIGICOLOR 536 tristate "Conexant Digicolor I2C driver" 537 depends on ARCH_DIGICOLOR 538 help 539 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. 540 541 This driver can also be built as a module. If so, the module 542 will be called i2c-digicolor. 543 544config I2C_EFM32 545 tristate "EFM32 I2C controller" 546 depends on ARCH_EFM32 || COMPILE_TEST 547 help 548 This driver supports the i2c block found in Energy Micro's EFM32 549 SoCs. 550 551config I2C_EG20T 552 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" 553 depends on PCI && (X86_32 || MIPS || COMPILE_TEST) 554 help 555 This driver is for PCH(Platform controller Hub) I2C of EG20T which 556 is an IOH(Input/Output Hub) for x86 embedded processor. 557 This driver can access PCH I2C bus device. 558 559 This driver also can be used for LAPIS Semiconductor IOH(Input/ 560 Output Hub), ML7213, ML7223 and ML7831. 561 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 562 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 563 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 564 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 565 566config I2C_EMEV2 567 tristate "EMMA Mobile series I2C adapter" 568 depends on HAVE_CLK 569 select I2C_SLAVE 570 help 571 If you say yes to this option, support will be included for the 572 I2C interface on the Renesas Electronics EM/EV family of processors. 573 574config I2C_EXYNOS5 575 tristate "Exynos5 high-speed I2C driver" 576 depends on ARCH_EXYNOS && OF 577 default y 578 help 579 High-speed I2C controller on Exynos5 based Samsung SoCs. 580 581config I2C_GPIO 582 tristate "GPIO-based bitbanging I2C" 583 depends on GPIOLIB || COMPILE_TEST 584 select I2C_ALGOBIT 585 help 586 This is a very simple bitbanging I2C driver utilizing the 587 arch-neutral GPIO API to control the SCL and SDA lines. 588 589config I2C_GPIO_FAULT_INJECTOR 590 bool "GPIO-based fault injector" 591 depends on I2C_GPIO 592 help 593 This adds some functionality to the i2c-gpio driver which can inject 594 faults to an I2C bus, so another bus master can be stress-tested. 595 This is for debugging. If unsure, say 'no'. 596 597config I2C_HIGHLANDER 598 tristate "Highlander FPGA SMBus interface" 599 depends on SH_HIGHLANDER 600 help 601 If you say yes to this option, support will be included for 602 the SMBus interface located in the FPGA on various Highlander 603 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL 604 FPGAs. This is wholly unrelated to the SoC I2C. 605 606 This driver can also be built as a module. If so, the module 607 will be called i2c-highlander. 608 609config I2C_IBM_IIC 610 tristate "IBM PPC 4xx on-chip I2C interface" 611 depends on 4xx 612 help 613 Say Y here if you want to use IIC peripheral found on 614 embedded IBM PPC 4xx based systems. 615 616 This driver can also be built as a module. If so, the module 617 will be called i2c-ibm_iic. 618 619config I2C_IMG 620 tristate "Imagination Technologies I2C SCB Controller" 621 depends on MIPS || COMPILE_TEST 622 help 623 Say Y here if you want to use the IMG I2C SCB controller, 624 available on the TZ1090 and other IMG SoCs. 625 626 This driver can also be built as a module. If so, the module 627 will be called i2c-img-scb. 628 629config I2C_IMX 630 tristate "IMX I2C interface" 631 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE 632 help 633 Say Y here if you want to use the IIC bus controller on 634 the Freescale i.MX/MXC, Layerscape or ColdFire processors. 635 636 This driver can also be built as a module. If so, the module 637 will be called i2c-imx. 638 639config I2C_IMX_LPI2C 640 tristate "IMX Low Power I2C interface" 641 depends on ARCH_MXC || COMPILE_TEST 642 help 643 Say Y here if you want to use the Low Power IIC bus controller 644 on the Freescale i.MX processors. 645 646 This driver can also be built as a module. If so, the module 647 will be called i2c-imx-lpi2c. 648 649config I2C_IOP3XX 650 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" 651 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX 652 help 653 Say Y here if you want to use the IIC bus controller on 654 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. 655 656 This driver can also be built as a module. If so, the module 657 will be called i2c-iop3xx. 658 659config I2C_JZ4780 660 tristate "JZ4780 I2C controller interface support" 661 depends on MACH_JZ4780 || COMPILE_TEST 662 help 663 If you say yes to this option, support will be included for the 664 Ingenic JZ4780 I2C controller. 665 666 If you don't know what to do here, say N. 667 668config I2C_KEMPLD 669 tristate "Kontron COM I2C Controller" 670 depends on MFD_KEMPLD 671 help 672 This enables support for the I2C bus interface on some Kontron ETX 673 and COMexpress (ETXexpress) modules. 674 675 This driver can also be built as a module. If so, the module 676 will be called i2c-kempld. 677 678config I2C_LPC2K 679 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" 680 depends on OF && (ARCH_LPC18XX || COMPILE_TEST) 681 help 682 This driver supports the I2C interface found several NXP 683 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. 684 685 This driver can also be built as a module. If so, the module 686 will be called i2c-lpc2k. 687 688config I2C_MESON 689 tristate "Amlogic Meson I2C controller" 690 depends on ARCH_MESON || COMPILE_TEST 691 help 692 If you say yes to this option, support will be included for the 693 I2C interface on the Amlogic Meson family of SoCs. 694 695config I2C_MPC 696 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" 697 depends on PPC 698 help 699 If you say yes to this option, support will be included for the 700 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, 701 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. 702 703 This driver can also be built as a module. If so, the module 704 will be called i2c-mpc. 705 706config I2C_MT65XX 707 tristate "MediaTek I2C adapter" 708 depends on ARCH_MEDIATEK || COMPILE_TEST 709 help 710 This selects the MediaTek(R) Integrated Inter Circuit bus driver 711 for MT65xx and MT81xx. 712 If you want to use MediaTek(R) I2C interface, say Y or M here. 713 If unsure, say N. 714 715config I2C_MV64XXX 716 tristate "Marvell mv64xxx I2C Controller" 717 depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU 718 help 719 If you say yes to this option, support will be included for the 720 built-in I2C interface on the Marvell 64xxx line of host bridges. 721 This driver is also used for Allwinner SoCs I2C controllers. 722 723 This driver can also be built as a module. If so, the module 724 will be called i2c-mv64xxx. 725 726config I2C_MXS 727 tristate "Freescale i.MX28 I2C interface" 728 depends on SOC_IMX28 729 select STMP_DEVICE 730 help 731 Say Y here if you want to use the I2C bus controller on 732 the Freescale i.MX28 processors. 733 734 This driver can also be built as a module. If so, the module 735 will be called i2c-mxs. 736 737config I2C_NOMADIK 738 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" 739 depends on ARM_AMBA 740 help 741 If you say yes to this option, support will be included for the 742 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, 743 as well as the STA2X11 PCIe I/O HUB. 744 745config I2C_OCORES 746 tristate "OpenCores I2C Controller" 747 help 748 If you say yes to this option, support will be included for the 749 OpenCores I2C controller. For details see 750 http://www.opencores.org/projects.cgi/web/i2c/overview 751 752 This driver can also be built as a module. If so, the module 753 will be called i2c-ocores. 754 755config I2C_OMAP 756 tristate "OMAP I2C adapter" 757 depends on ARCH_OMAP 758 default y if MACH_OMAP_H3 || MACH_OMAP_OSK 759 help 760 If you say yes to this option, support will be included for the 761 I2C interface on the Texas Instruments OMAP1/2 family of processors. 762 Like OMAP1510/1610/1710/5912 and OMAP242x. 763 For details see http://www.ti.com/omap. 764 765config I2C_PASEMI 766 tristate "PA Semi SMBus interface" 767 depends on PPC_PASEMI && PCI 768 help 769 Supports the PA Semi PWRficient on-chip SMBus interfaces. 770 771config I2C_PCA_PLATFORM 772 tristate "PCA9564/PCA9665 as platform device" 773 select I2C_ALGOPCA 774 default n 775 help 776 This driver supports a memory mapped Philips PCA9564/PCA9665 777 parallel bus to I2C bus controller. 778 779 This driver can also be built as a module. If so, the module 780 will be called i2c-pca-platform. 781 782config I2C_PMCMSP 783 tristate "PMC MSP I2C TWI Controller" 784 depends on PMC_MSP 785 help 786 This driver supports the PMC TWI controller on MSP devices. 787 788 This driver can also be built as module. If so, the module 789 will be called i2c-pmcmsp. 790 791config I2C_PNX 792 tristate "I2C bus support for Philips PNX and NXP LPC targets" 793 depends on ARCH_LPC32XX 794 help 795 This driver supports the Philips IP3204 I2C IP block master and/or 796 slave controller 797 798 This driver can also be built as a module. If so, the module 799 will be called i2c-pnx. 800 801config I2C_PUV3 802 tristate "PKUnity v3 I2C bus support" 803 depends on UNICORE32 && ARCH_PUV3 804 select I2C_ALGOBIT 805 help 806 This driver supports the I2C IP inside the PKUnity-v3 SoC. 807 This I2C bus controller is under AMBA/AXI bus. 808 809 This driver can also be built as a module. If so, the module 810 will be called i2c-puv3. 811 812config I2C_PXA 813 tristate "Intel PXA2XX I2C adapter" 814 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) 815 help 816 If you have devices in the PXA I2C bus, say yes to this option. 817 This driver can also be built as a module. If so, the module 818 will be called i2c-pxa. 819 820config I2C_PXA_PCI 821 def_bool I2C_PXA && X86_32 && PCI && OF 822 823config I2C_PXA_SLAVE 824 bool "Intel PXA2XX I2C Slave comms support" 825 depends on I2C_PXA && !X86_32 826 help 827 Support I2C slave mode communications on the PXA I2C bus. This 828 is necessary for systems where the PXA may be a target on the 829 I2C bus. 830 831config I2C_QUP 832 tristate "Qualcomm QUP based I2C controller" 833 depends on ARCH_QCOM 834 help 835 If you say yes to this option, support will be included for the 836 built-in I2C interface on the Qualcomm SoCs. 837 838 This driver can also be built as a module. If so, the module 839 will be called i2c-qup. 840 841config I2C_RIIC 842 tristate "Renesas RIIC adapter" 843 depends on ARCH_RENESAS || COMPILE_TEST 844 help 845 If you say yes to this option, support will be included for the 846 Renesas RIIC I2C interface. 847 848 This driver can also be built as a module. If so, the module 849 will be called i2c-riic. 850 851config I2C_RK3X 852 tristate "Rockchip RK3xxx I2C adapter" 853 depends on OF && COMMON_CLK 854 help 855 Say Y here to include support for the I2C adapter in Rockchip RK3xxx 856 SoCs. 857 858 This driver can also be built as a module. If so, the module will 859 be called i2c-rk3x. 860 861config HAVE_S3C2410_I2C 862 bool 863 help 864 This will include I2C support for Samsung SoCs. If you want to 865 include I2C support for any machine, kindly select this in the 866 respective Kconfig file. 867 868config I2C_S3C2410 869 tristate "S3C2410 I2C Driver" 870 depends on HAVE_S3C2410_I2C 871 help 872 Say Y here to include support for I2C controller in the 873 Samsung SoCs. 874 875config I2C_SH7760 876 tristate "Renesas SH7760 I2C Controller" 877 depends on CPU_SUBTYPE_SH7760 878 help 879 This driver supports the 2 I2C interfaces on the Renesas SH7760. 880 881 This driver can also be built as a module. If so, the module 882 will be called i2c-sh7760. 883 884config I2C_SH_MOBILE 885 tristate "SuperH Mobile I2C Controller" 886 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST 887 help 888 If you say yes to this option, support will be included for the 889 built-in I2C interface on the Renesas SH-Mobile processor. 890 891 This driver can also be built as a module. If so, the module 892 will be called i2c-sh_mobile. 893 894config I2C_SIMTEC 895 tristate "Simtec Generic I2C interface" 896 select I2C_ALGOBIT 897 help 898 If you say yes to this option, support will be included for 899 the Simtec Generic I2C interface. This driver is for the 900 simple I2C bus used on newer Simtec products for general 901 I2C, such as DDC on the Simtec BBD2016A. 902 903 This driver can also be built as a module. If so, the module 904 will be called i2c-simtec. 905 906config I2C_SIRF 907 tristate "CSR SiRFprimaII I2C interface" 908 depends on ARCH_SIRF 909 help 910 If you say yes to this option, support will be included for the 911 CSR SiRFprimaII I2C interface. 912 913 This driver can also be built as a module. If so, the module 914 will be called i2c-sirf. 915 916config I2C_SPRD 917 bool "Spreadtrum I2C interface" 918 depends on I2C=y && ARCH_SPRD 919 help 920 If you say yes to this option, support will be included for the 921 Spreadtrum I2C interface. 922 923config I2C_ST 924 tristate "STMicroelectronics SSC I2C support" 925 depends on ARCH_STI 926 help 927 Enable this option to add support for STMicroelectronics SoCs 928 hardware SSC (Synchronous Serial Controller) as an I2C controller. 929 930 This driver can also be built as module. If so, the module 931 will be called i2c-st. 932 933config I2C_STM32F4 934 tristate "STMicroelectronics STM32F4 I2C support" 935 depends on ARCH_STM32 || COMPILE_TEST 936 help 937 Enable this option to add support for STM32 I2C controller embedded 938 in STM32F4 SoCs. 939 940 This driver can also be built as module. If so, the module 941 will be called i2c-stm32f4. 942 943config I2C_STM32F7 944 tristate "STMicroelectronics STM32F7 I2C support" 945 depends on ARCH_STM32 || COMPILE_TEST 946 help 947 Enable this option to add support for STM32 I2C controller embedded 948 in STM32F7 SoCs. 949 950 This driver can also be built as module. If so, the module 951 will be called i2c-stm32f7. 952 953config I2C_STU300 954 tristate "ST Microelectronics DDC I2C interface" 955 depends on MACH_U300 956 default y if MACH_U300 957 help 958 If you say yes to this option, support will be included for the 959 I2C interface from ST Microelectronics simply called "DDC I2C" 960 supporting both I2C and DDC, used in e.g. the U300 series 961 mobile platforms. 962 963 This driver can also be built as a module. If so, the module 964 will be called i2c-stu300. 965 966config I2C_SUN6I_P2WI 967 tristate "Allwinner sun6i internal P2WI controller" 968 depends on RESET_CONTROLLER 969 depends on MACH_SUN6I || COMPILE_TEST 970 help 971 If you say yes to this option, support will be included for the 972 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi 973 SOCs. 974 The P2WI looks like an SMBus controller (which supports only byte 975 accesses), except that it only supports one slave device. 976 This interface is used to connect to specific PMIC devices (like the 977 AXP221). 978 979config I2C_SYNQUACER 980 tristate "Socionext SynQuacer I2C controller" 981 depends on ARCH_SYNQUACER || COMPILE_TEST 982 help 983 Say Y here to include support for the I2C controller used in some 984 Fujitsu and Socionext SoCs. 985 986 This driver can also be built as a module. If so, the module 987 will be called i2c-synquacer. 988 989config I2C_TEGRA 990 tristate "NVIDIA Tegra internal I2C controller" 991 depends on ARCH_TEGRA 992 help 993 If you say yes to this option, support will be included for the 994 I2C controller embedded in NVIDIA Tegra SOCs 995 996config I2C_TEGRA_BPMP 997 tristate "NVIDIA Tegra BPMP I2C controller" 998 depends on TEGRA_BPMP 999 default y 1000 help 1001 If you say yes to this option, support will be included for the I2C 1002 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. 1003 1004 This I2C driver is a 'virtual' I2C driver. The real driver is part 1005 of the BPMP firmware, and this driver merely communicates with that 1006 real driver. 1007 1008config I2C_UNIPHIER 1009 tristate "UniPhier FIFO-less I2C controller" 1010 depends on ARCH_UNIPHIER || COMPILE_TEST 1011 help 1012 If you say yes to this option, support will be included for 1013 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, 1014 or older UniPhier SoCs. 1015 1016config I2C_UNIPHIER_F 1017 tristate "UniPhier FIFO-builtin I2C controller" 1018 depends on ARCH_UNIPHIER || COMPILE_TEST 1019 help 1020 If you say yes to this option, support will be included for 1021 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, 1022 PH1-Pro5, or newer UniPhier SoCs. 1023 1024config I2C_VERSATILE 1025 tristate "ARM Versatile/Realview I2C bus support" 1026 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST 1027 select I2C_ALGOBIT 1028 help 1029 Say yes if you want to support the I2C serial bus on ARMs Versatile 1030 range of platforms. 1031 1032 This driver can also be built as a module. If so, the module 1033 will be called i2c-versatile. 1034 1035config I2C_WMT 1036 tristate "Wondermedia WM8xxx SoC I2C bus support" 1037 depends on ARCH_VT8500 1038 help 1039 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series 1040 SoCs. 1041 1042 This driver can also be built as a module. If so, the module will be 1043 called i2c-wmt. 1044 1045config I2C_OCTEON 1046 tristate "Cavium OCTEON I2C bus support" 1047 depends on CAVIUM_OCTEON_SOC 1048 help 1049 Say yes if you want to support the I2C serial bus on Cavium 1050 OCTEON SOC. 1051 1052 This driver can also be built as a module. If so, the module 1053 will be called i2c-octeon. 1054 1055config I2C_THUNDERX 1056 tristate "Cavium ThunderX I2C bus support" 1057 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) 1058 select I2C_SMBUS 1059 help 1060 Say yes if you want to support the I2C serial bus on Cavium 1061 ThunderX SOC. 1062 1063 This driver can also be built as a module. If so, the module 1064 will be called i2c-thunderx. 1065 1066config I2C_XILINX 1067 tristate "Xilinx I2C Controller" 1068 depends on HAS_IOMEM 1069 help 1070 If you say yes to this option, support will be included for the 1071 Xilinx I2C controller. 1072 1073 This driver can also be built as a module. If so, the module 1074 will be called xilinx_i2c. 1075 1076config I2C_XLR 1077 tristate "Netlogic XLR and Sigma Designs I2C support" 1078 depends on CPU_XLR || ARCH_TANGO 1079 help 1080 This driver enables support for the on-chip I2C interface of 1081 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs. 1082 1083 This driver can also be built as a module. If so, the module 1084 will be called i2c-xlr. 1085 1086config I2C_XLP9XX 1087 tristate "XLP9XX I2C support" 1088 depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST 1089 help 1090 This driver enables support for the on-chip I2C interface of 1091 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors. 1092 1093 This driver can also be built as a module. If so, the module will 1094 be called i2c-xlp9xx. 1095 1096config I2C_RCAR 1097 tristate "Renesas R-Car I2C Controller" 1098 depends on ARCH_RENESAS || COMPILE_TEST 1099 select I2C_SLAVE 1100 help 1101 If you say yes to this option, support will be included for the 1102 R-Car I2C controller. 1103 1104 This driver can also be built as a module. If so, the module 1105 will be called i2c-rcar. 1106 1107comment "External I2C/SMBus adapter drivers" 1108 1109config I2C_DIOLAN_U2C 1110 tristate "Diolan U2C-12 USB adapter" 1111 depends on USB 1112 help 1113 If you say yes to this option, support will be included for Diolan 1114 U2C-12, a USB to I2C interface. 1115 1116 This driver can also be built as a module. If so, the module 1117 will be called i2c-diolan-u2c. 1118 1119config I2C_DLN2 1120 tristate "Diolan DLN-2 USB I2C adapter" 1121 depends on MFD_DLN2 1122 help 1123 If you say yes to this option, support will be included for Diolan 1124 DLN2, a USB to I2C interface. 1125 1126 This driver can also be built as a module. If so, the module 1127 will be called i2c-dln2. 1128 1129config I2C_PARPORT 1130 tristate "Parallel port adapter" 1131 depends on PARPORT 1132 select I2C_ALGOBIT 1133 select I2C_SMBUS 1134 help 1135 This supports parallel port I2C adapters such as the ones made by 1136 Philips or Velleman, Analog Devices evaluation boards, and more. 1137 Basically any adapter using the parallel port as an I2C bus with 1138 no extra chipset is supported by this driver, or could be. 1139 1140 This driver is a replacement for (and was inspired by) an older 1141 driver named i2c-philips-par. The new driver supports more devices, 1142 and makes it easier to add support for new devices. 1143 1144 An adapter type parameter is now mandatory. Please read the file 1145 Documentation/i2c/busses/i2c-parport for details. 1146 1147 Another driver exists, named i2c-parport-light, which doesn't depend 1148 on the parport driver. This is meant for embedded systems. Don't say 1149 Y here if you intend to say Y or M there. 1150 1151 This support is also available as a module. If so, the module 1152 will be called i2c-parport. 1153 1154config I2C_PARPORT_LIGHT 1155 tristate "Parallel port adapter (light)" 1156 select I2C_ALGOBIT 1157 select I2C_SMBUS 1158 help 1159 This supports parallel port I2C adapters such as the ones made by 1160 Philips or Velleman, Analog Devices evaluation boards, and more. 1161 Basically any adapter using the parallel port as an I2C bus with 1162 no extra chipset is supported by this driver, or could be. 1163 1164 This driver is a light version of i2c-parport. It doesn't depend 1165 on the parport driver, and uses direct I/O access instead. This 1166 might be preferred on embedded systems where wasting memory for 1167 the clean but heavy parport handling is not an option. The 1168 drawback is a reduced portability and the impossibility to 1169 daisy-chain other parallel port devices. 1170 1171 Don't say Y here if you said Y or M to i2c-parport. Saying M to 1172 both is possible but both modules should not be loaded at the same 1173 time. 1174 1175 This support is also available as a module. If so, the module 1176 will be called i2c-parport-light. 1177 1178config I2C_ROBOTFUZZ_OSIF 1179 tristate "RobotFuzz Open Source InterFace USB adapter" 1180 depends on USB 1181 help 1182 If you say yes to this option, support will be included for the 1183 RobotFuzz Open Source InterFace USB to I2C interface. 1184 1185 This driver can also be built as a module. If so, the module 1186 will be called i2c-osif. 1187 1188config I2C_TAOS_EVM 1189 tristate "TAOS evaluation module" 1190 depends on TTY 1191 select SERIO 1192 select SERIO_SERPORT 1193 default n 1194 help 1195 This supports TAOS evaluation modules on serial port. In order to 1196 use this driver, you will need the inputattach tool, which is part 1197 of the input-utils package. 1198 1199 If unsure, say N. 1200 1201 This support is also available as a module. If so, the module 1202 will be called i2c-taos-evm. 1203 1204config I2C_TINY_USB 1205 tristate "Tiny-USB adapter" 1206 depends on USB 1207 help 1208 If you say yes to this option, support will be included for the 1209 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See 1210 http://www.harbaum.org/till/i2c_tiny_usb for hardware details. 1211 1212 This driver can also be built as a module. If so, the module 1213 will be called i2c-tiny-usb. 1214 1215config I2C_VIPERBOARD 1216 tristate "Viperboard I2C master support" 1217 depends on MFD_VIPERBOARD && USB 1218 help 1219 Say yes here to access the I2C part of the Nano River 1220 Technologies Viperboard as I2C master. 1221 See viperboard API specification and Nano 1222 River Tech's viperboard.h for detailed meaning 1223 of the module parameters. 1224 1225comment "Other I2C/SMBus bus drivers" 1226 1227config I2C_ACORN 1228 tristate "Acorn IOC/IOMD I2C bus support" 1229 depends on ARCH_ACORN 1230 default y 1231 select I2C_ALGOBIT 1232 help 1233 Say yes if you want to support the I2C bus on Acorn platforms. 1234 1235 If you don't know, say Y. 1236 1237config I2C_ELEKTOR 1238 tristate "Elektor ISA card" 1239 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP 1240 select I2C_ALGOPCF 1241 help 1242 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own 1243 such an adapter. 1244 1245 This support is also available as a module. If so, the module 1246 will be called i2c-elektor. 1247 1248config I2C_MLXCPLD 1249 tristate "Mellanox I2C driver" 1250 depends on X86_64 1251 help 1252 This exposes the Mellanox platform I2C busses to the linux I2C layer 1253 for X86 based systems. 1254 Controller is implemented as CPLD logic. 1255 1256 This driver can also be built as a module. If so, the module will be 1257 called as i2c-mlxcpld. 1258 1259config I2C_PCA_ISA 1260 tristate "PCA9564/PCA9665 on an ISA bus" 1261 depends on ISA 1262 select I2C_ALGOPCA 1263 default n 1264 help 1265 This driver supports ISA boards using the Philips PCA9564/PCA9665 1266 parallel bus to I2C bus controller. 1267 1268 This driver can also be built as a module. If so, the module 1269 will be called i2c-pca-isa. 1270 1271 This device is almost undetectable and using this driver on a 1272 system which doesn't have this device will result in long 1273 delays when I2C/SMBus chip drivers are loaded (e.g. at boot 1274 time). If unsure, say N. 1275 1276config I2C_SIBYTE 1277 tristate "SiByte SMBus interface" 1278 depends on SIBYTE_SB1xxx_SOC 1279 help 1280 Supports the SiByte SOC on-chip I2C interfaces (2 channels). 1281 1282config I2C_CROS_EC_TUNNEL 1283 tristate "ChromeOS EC tunnel I2C bus" 1284 depends on MFD_CROS_EC 1285 help 1286 If you say yes here you get an I2C bus that will tunnel i2c commands 1287 through to the other side of the ChromeOS EC to the i2c bus 1288 connected there. This will work whatever the interface used to 1289 talk to the EC (SPI, I2C or LPC). 1290 1291config I2C_XGENE_SLIMPRO 1292 tristate "APM X-Gene SoC I2C SLIMpro devices support" 1293 depends on ARCH_XGENE && MAILBOX 1294 help 1295 Enable I2C bus access using the APM X-Gene SoC SLIMpro 1296 co-processor. The I2C device access the I2C bus via the X-Gene 1297 to SLIMpro (On chip coprocessor) mailbox mechanism. 1298 If unsure, say N. 1299 1300config SCx200_ACB 1301 tristate "Geode ACCESS.bus support" 1302 depends on X86_32 && PCI 1303 help 1304 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and 1305 SC1100 processors and the CS5535 and CS5536 Geode companion devices. 1306 1307 If you don't know what to do here, say N. 1308 1309 This support is also available as a module. If so, the module 1310 will be called scx200_acb. 1311 1312config I2C_OPAL 1313 tristate "IBM OPAL I2C driver" 1314 depends on PPC_POWERNV 1315 default y 1316 help 1317 This exposes the PowerNV platform i2c busses to the linux i2c layer, 1318 the driver is based on the OPAL interfaces. 1319 1320 This driver can also be built as a module. If so, the module will be 1321 called as i2c-opal. 1322 1323config I2C_ZX2967 1324 tristate "ZTE ZX2967 I2C support" 1325 depends on ARCH_ZX 1326 default y 1327 help 1328 Selecting this option will add ZX2967 I2C driver. 1329 This driver can also be built as a module. If so, the module will be 1330 called i2c-zx2967. 1331 1332endmenu 1333