2 # Sensor device configuration
5 menu "I2C Hardware Bus support"
7 comment "PC SMBus host controller drivers"
14 If you say yes to this option, support will be included for the SMB
15 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB
16 controller is part of the 7101 device, which is an ACPI-compliant
17 Power Management Unit (PMU).
19 This driver can also be built as a module. If so, the module
20 will be called i2c-ali1535.
24 depends on PCI && EXPERIMENTAL
26 If you say yes to this option, support will be included for the SMB
27 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB
28 controller is part of the 7101 device, which is an ACPI-compliant
29 Power Management Unit (PMU).
31 This driver can also be built as a module. If so, the module
32 will be called i2c-ali1563.
38 If you say yes to this option, support will be included for the
39 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
41 This driver can also be built as a module. If so, the module
42 will be called i2c-ali15x3.
45 tristate "AMD 756/766/768/8111 and nVidia nForce"
48 If you say yes to this option, support will be included for the AMD
49 756/766/768 mainboard I2C interfaces. The driver also includes
50 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and
51 the nVidia nForce I2C interface.
53 This driver can also be built as a module. If so, the module
54 will be called i2c-amd756.
56 config I2C_AMD756_S4882
57 tristate "SMBus multiplexing on the Tyan S4882"
58 depends on I2C_AMD756 && X86 && EXPERIMENTAL
60 Enabling this option will add specific SMBus support for the Tyan
61 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed
62 over 8 different channels, where the various memory module EEPROMs
63 and temperature sensors live. Saying yes here will give you access
64 to these in addition to the trunk.
66 This driver can also be built as a module. If so, the module
67 will be called i2c-amd756-s4882.
73 If you say yes to this option, support will be included for the
74 second (SMBus 2.0) AMD 8111 mainboard I2C interface.
76 This driver can also be built as a module. If so, the module
77 will be called i2c-amd8111.
80 tristate "Intel 82801 (ICH)"
83 If you say yes to this option, support will be included for the Intel
84 801 family of mainboard I2C interfaces. Specifically, the following
85 versions of the chipset are supported:
91 82801EB/ER (ICH5/ICH5R)
102 This driver can also be built as a module. If so, the module
103 will be called i2c-i801.
106 tristate "Intel SCH SMBus 1.0"
109 Say Y here if you want to use SMBus controller on the Intel SCH
112 This driver can also be built as a module. If so, the module
113 will be called i2c-isch.
116 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
119 If you say yes to this option, support will be included for the Intel
120 PIIX4 family of mainboard I2C interfaces. Specifically, the following
121 versions of the chipset are supported (note that Serverworks is part
139 This driver can also be built as a module. If so, the module
140 will be called i2c-piix4.
143 tristate "Nvidia nForce2, nForce3 and nForce4"
146 If you say yes to this option, support will be included for the Nvidia
147 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
149 This driver can also be built as a module. If so, the module
150 will be called i2c-nforce2.
152 config I2C_NFORCE2_S4985
153 tristate "SMBus multiplexing on the Tyan S4985"
154 depends on I2C_NFORCE2 && X86 && EXPERIMENTAL
156 Enabling this option will add specific SMBus support for the Tyan
157 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed
158 over 4 different channels, where the various memory module EEPROMs
159 live. Saying yes here will give you access to these in addition
162 This driver can also be built as a module. If so, the module
163 will be called i2c-nforce2-s4985.
169 If you say yes to this option, support will be included for the
170 SiS5595 SMBus (a subset of I2C) interface.
172 This driver can also be built as a module. If so, the module
173 will be called i2c-sis5595.
176 tristate "SiS 630/730"
179 If you say yes to this option, support will be included for the
180 SiS630 and SiS730 SMBus (a subset of I2C) interface.
182 This driver can also be built as a module. If so, the module
183 will be called i2c-sis630.
189 If you say yes to this option, support will be included for the SiS
190 96x SMBus (a subset of I2C) interfaces. Specifically, the following
191 chipsets are supported:
200 This driver can also be built as a module. If so, the module
201 will be called i2c-sis96x.
204 tristate "VIA VT82C586B"
205 depends on PCI && EXPERIMENTAL
208 If you say yes to this option, support will be included for the VIA
209 82C586B I2C interface
211 This driver can also be built as a module. If so, the module
212 will be called i2c-via.
215 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx"
218 If you say yes to this option, support will be included for the VIA
219 VT82C596 and later SMBus interface. Specifically, the following
220 chipsets are supported:
232 This driver can also be built as a module. If so, the module
233 will be called i2c-viapro.
237 comment "ACPI drivers"
240 tristate "SMBus Control Method Interface"
242 This driver supports the SMBus Control Method Interface. It needs the
243 BIOS to declare ACPI control methods as described in the SMBus Control
244 Method Interface specification.
246 To compile this driver as a module, choose M here:
247 the module will be called i2c-scmi.
251 comment "Mac SMBus host controller drivers"
252 depends on PPC_CHRP || PPC_PMAC
255 tristate "CHRP Apple Hydra Mac I/O I2C interface"
256 depends on PCI && PPC_CHRP && EXPERIMENTAL
259 This supports the use of the I2C interface in the Apple Hydra Mac
260 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you
263 This support is also available as a module. If so, the module
264 will be called i2c-hydra.
267 tristate "Powermac I2C interface"
271 This exposes the various PowerMac i2c interfaces to the linux i2c
272 layer and to userland. It is used by various drivers on the PowerMac
273 platform, and should generally be enabled.
275 This support is also available as a module. If so, the module
276 will be called i2c-powermac.
278 comment "I2C system bus drivers (mostly embedded / system-on-chip)"
281 tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
282 depends on ARCH_AT91 && EXPERIMENTAL && BROKEN
284 This supports the use of the I2C interface on Atmel AT91
287 This driver is BROKEN because the controller which it uses
288 will easily trigger RX overrun and TX underrun errors. Using
289 low I2C clock rates may partially work around those issues
290 on some systems. Another serious problem is that there is no
291 documented way to issue repeated START conditions, as needed
292 to support combined I2C messages. Use the i2c-gpio driver
293 unless your system can cope with those limitations.
296 tristate "Au1550/Au1200 SMBus interface"
297 depends on SOC_AU1550 || SOC_AU1200
299 If you say yes to this option, support will be included for the
300 Au1550 and Au1200 SMBus interface.
302 This driver can also be built as a module. If so, the module
303 will be called i2c-au1550.
305 config I2C_BLACKFIN_TWI
306 tristate "Blackfin TWI I2C support"
308 depends on !BF561 && !BF531 && !BF532 && !BF533
310 This is the I2C bus driver for Blackfin on-chip TWI interface.
312 This driver can also be built as a module. If so, the module
313 will be called i2c-bfin-twi.
315 config I2C_BLACKFIN_TWI_CLK_KHZ
316 int "Blackfin TWI I2C clock (kHz)"
317 depends on I2C_BLACKFIN_TWI
321 The unit of the TWI clock is kHz.
324 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
325 depends on (CPM1 || CPM2) && OF_I2C
327 This supports the use of the I2C interface on Freescale
328 processors with CPM1 or CPM2.
330 This driver can also be built as a module. If so, the module
331 will be called i2c-cpm.
334 tristate "DaVinci I2C driver"
335 depends on ARCH_DAVINCI
337 Support for TI DaVinci I2C controller driver.
339 This driver can also be built as a module. If so, the module
340 will be called i2c-davinci.
342 Please note that this driver might be needed to bring up other
343 devices such as DaVinci NIC.
344 For details please see http://www.ti.com/davinci
346 config I2C_DESIGNWARE
347 tristate "Synopsys DesignWare"
350 If you say yes to this option, support will be included for the
351 Synopsys DesignWare I2C adapter. Only master mode is supported.
353 This driver can also be built as a module. If so, the module
354 will be called i2c-designware.
357 tristate "GPIO-based bitbanging I2C"
358 depends on GENERIC_GPIO
361 This is a very simple bitbanging I2C driver utilizing the
362 arch-neutral GPIO API to control the SCL and SDA lines.
364 config I2C_HIGHLANDER
365 tristate "Highlander FPGA SMBus interface"
366 depends on SH_HIGHLANDER
368 If you say yes to this option, support will be included for
369 the SMBus interface located in the FPGA on various Highlander
370 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
371 FPGAs. This is wholly unrelated to the SoC I2C.
373 This driver can also be built as a module. If so, the module
374 will be called i2c-highlander.
377 tristate "IBM PPC 4xx on-chip I2C interface"
380 Say Y here if you want to use IIC peripheral found on
381 embedded IBM PPC 4xx based systems.
383 This driver can also be built as a module. If so, the module
384 will be called i2c-ibm_iic.
387 tristate "IMX I2C interface"
390 Say Y here if you want to use the IIC bus controller on
391 the Freescale i.MX/MXC processors.
393 This driver can also be built as a module. If so, the module
394 will be called i2c-imx.
397 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
398 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX
400 Say Y here if you want to use the IIC bus controller on
401 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
403 This driver can also be built as a module. If so, the module
404 will be called i2c-iop3xx.
407 tristate "IXP2000 GPIO-Based I2C Interface (DEPRECATED)"
408 depends on ARCH_IXP2000
411 Say Y here if you have an Intel IXP2000 (2400, 2800, 2850) based
412 system and are using GPIO lines for an I2C bus.
414 This support is also available as a module. If so, the module
415 will be called i2c-ixp2000.
417 This driver is deprecated and will be dropped soon. Use i2c-gpio
421 tristate "MPC107/824x/85xx/52xx/86xx"
424 If you say yes to this option, support will be included for the
425 built-in I2C interface on the MPC107/Tsi107/MPC8240/MPC8245 and
426 MPC85xx/MPC8641 family processors. The driver may also work on 52xx
427 family processors, though interrupts are known not to work.
429 This driver can also be built as a module. If so, the module
430 will be called i2c-mpc.
433 tristate "Marvell mv64xxx I2C Controller"
434 depends on (MV64X60 || PLAT_ORION) && EXPERIMENTAL
436 If you say yes to this option, support will be included for the
437 built-in I2C interface on the Marvell 64xxx line of host bridges.
439 This driver can also be built as a module. If so, the module
440 will be called i2c-mv64xxx.
443 tristate "OpenCores I2C Controller"
444 depends on EXPERIMENTAL
446 If you say yes to this option, support will be included for the
447 OpenCores I2C controller. For details see
448 http://www.opencores.org/projects.cgi/web/i2c/overview
450 This driver can also be built as a module. If so, the module
451 will be called i2c-ocores.
454 tristate "OMAP I2C adapter"
456 default y if MACH_OMAP_H3 || MACH_OMAP_OSK
458 If you say yes to this option, support will be included for the
459 I2C interface on the Texas Instruments OMAP1/2 family of processors.
460 Like OMAP1510/1610/1710/5912 and OMAP242x.
461 For details see http://www.ti.com/omap.
464 tristate "PA Semi SMBus interface"
465 depends on PPC_PASEMI && PCI
467 Supports the PA Semi PWRficient on-chip SMBus interfaces.
470 tristate "I2C bus support for Philips PNX targets"
471 depends on ARCH_PNX4008
473 This driver supports the Philips IP3204 I2C IP block master and/or
476 This driver can also be built as a module. If so, the module
477 will be called i2c-pnx.
480 tristate "Intel PXA2XX I2C adapter"
481 depends on ARCH_PXA || ARCH_MMP
483 If you have devices in the PXA I2C bus, say yes to this option.
484 This driver can also be built as a module. If so, the module
485 will be called i2c-pxa.
488 bool "Intel PXA2XX I2C Slave comms support"
491 Support I2C slave mode communications on the PXA I2C bus. This
492 is necessary for systems where the PXA may be a target on the
496 tristate "S3C2410 I2C Driver"
497 depends on ARCH_S3C2410 || ARCH_S3C64XX
499 Say Y here to include support for I2C controller in the
500 Samsung S3C2410 based System-on-Chip devices.
503 tristate "S6000 I2C support"
504 depends on XTENSA_VARIANT_S6000
506 This driver supports the on chip I2C device on the
507 S6000 xtensa processor family.
509 To compile this driver as a module, choose M here. The module
510 will be called i2c-s6000.
513 tristate "Renesas SH7760 I2C Controller"
514 depends on CPU_SUBTYPE_SH7760
516 This driver supports the 2 I2C interfaces on the Renesas SH7760.
518 This driver can also be built as a module. If so, the module
519 will be called i2c-sh7760.
522 tristate "SuperH Mobile I2C Controller"
525 If you say yes to this option, support will be included for the
526 built-in I2C interface on the Renesas SH-Mobile processor.
528 This driver can also be built as a module. If so, the module
529 will be called i2c-sh_mobile.
532 tristate "Simtec Generic I2C interface"
535 If you say yes to this option, support will be included for
536 the Simtec Generic I2C interface. This driver is for the
537 simple I2C bus used on newer Simtec products for general
538 I2C, such as DDC on the Simtec BBD2016A.
540 This driver can also be built as a module. If so, the module
541 will be called i2c-simtec.
544 tristate "ST Microelectronics DDC I2C interface"
546 default y if MACH_U300
548 If you say yes to this option, support will be included for the
549 I2C interface from ST Microelectronics simply called "DDC I2C"
550 supporting both I2C and DDC, used in e.g. the U300 series
553 This driver can also be built as a module. If so, the module
554 will be called i2c-stu300.
557 tristate "ARM Versatile/Realview I2C bus support"
558 depends on ARCH_VERSATILE || ARCH_REALVIEW
561 Say yes if you want to support the I2C serial bus on ARMs Versatile
564 This driver can also be built as a module. If so, the module
565 will be called i2c-versatile.
567 comment "External I2C/SMBus adapter drivers"
570 tristate "Parallel port adapter"
574 This supports parallel port I2C adapters such as the ones made by
575 Philips or Velleman, Analog Devices evaluation boards, and more.
576 Basically any adapter using the parallel port as an I2C bus with
577 no extra chipset is supported by this driver, or could be.
579 This driver is a replacement for (and was inspired by) an older
580 driver named i2c-philips-par. The new driver supports more devices,
581 and makes it easier to add support for new devices.
583 An adapter type parameter is now mandatory. Please read the file
584 Documentation/i2c/busses/i2c-parport for details.
586 Another driver exists, named i2c-parport-light, which doesn't depend
587 on the parport driver. This is meant for embedded systems. Don't say
588 Y here if you intend to say Y or M there.
590 This support is also available as a module. If so, the module
591 will be called i2c-parport.
593 config I2C_PARPORT_LIGHT
594 tristate "Parallel port adapter (light)"
597 This supports parallel port I2C adapters such as the ones made by
598 Philips or Velleman, Analog Devices evaluation boards, and more.
599 Basically any adapter using the parallel port as an I2C bus with
600 no extra chipset is supported by this driver, or could be.
602 This driver is a light version of i2c-parport. It doesn't depend
603 on the parport driver, and uses direct I/O access instead. This
604 might be preferred on embedded systems where wasting memory for
605 the clean but heavy parport handling is not an option. The
606 drawback is a reduced portability and the impossibility to
607 daisy-chain other parallel port devices.
609 Don't say Y here if you said Y or M to i2c-parport. Saying M to
610 both is possible but both modules should not be loaded at the same
613 This support is also available as a module. If so, the module
614 will be called i2c-parport-light.
617 tristate "TAOS evaluation module"
618 depends on EXPERIMENTAL
623 This supports TAOS evaluation modules on serial port. In order to
624 use this driver, you will need the inputattach tool, which is part
625 of the input-utils package.
629 This support is also available as a module. If so, the module
630 will be called i2c-taos-evm.
633 tristate "Tiny-USB adapter"
636 If you say yes to this option, support will be included for the
637 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
638 http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
640 This driver can also be built as a module. If so, the module
641 will be called i2c-tiny-usb.
643 comment "Graphics adapter I2C/DDC channel drivers"
647 tristate "Voodoo 3 (DEPRECATED)"
651 If you say yes to this option, support will be included for the
652 Voodoo 3 I2C interface. This driver is deprecated and you should
653 use the tdfxfb driver instead, which additionally provides
656 This driver can also be built as a module. If so, the module
657 will be called i2c-voodoo3.
659 comment "Other I2C/SMBus bus drivers"
662 tristate "Acorn IOC/IOMD I2C bus support"
663 depends on ARCH_ACORN
667 Say yes if you want to support the I2C bus on Acorn platforms.
669 If you don't know, say Y.
672 tristate "Elektor ISA card"
673 depends on ISA && BROKEN_ON_SMP
676 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
679 This support is also available as a module. If so, the module
680 will be called i2c-elektor.
683 tristate "PCA9564/PCA9665 on an ISA bus"
688 This driver supports ISA boards using the Philips PCA9564/PCA9665
689 parallel bus to I2C bus controller.
691 This driver can also be built as a module. If so, the module
692 will be called i2c-pca-isa.
694 This device is almost undetectable and using this driver on a
695 system which doesn't have this device will result in long
696 delays when I2C/SMBus chip drivers are loaded (e.g. at boot
697 time). If unsure, say N.
699 config I2C_PCA_PLATFORM
700 tristate "PCA9564/PCA9665 as platform device"
704 This driver supports a memory mapped Philips PCA9564/PCA9665
705 parallel bus to I2C bus controller.
707 This driver can also be built as a module. If so, the module
708 will be called i2c-pca-platform.
711 tristate "PMC MSP I2C TWI Controller"
714 This driver supports the PMC TWI controller on MSP devices.
716 This driver can also be built as module. If so, the module
717 will be called i2c-pmcmsp.
720 tristate "SiByte SMBus interface"
721 depends on SIBYTE_SB1xxx_SOC
723 Supports the SiByte SOC on-chip I2C interfaces (2 channels).
726 tristate "I2C/SMBus Test Stub"
727 depends on EXPERIMENTAL && m
730 This module may be useful to developers of SMBus client drivers,
731 especially for certain kinds of sensor chips.
733 If you do build this module, be sure to read the notes and warnings
734 in <file:Documentation/i2c/i2c-stub>.
736 If you don't know what to do here, definitely say N.
739 tristate "NatSemi SCx200 I2C using GPIO pins (DEPRECATED)"
740 depends on SCx200_GPIO
743 Enable the use of two GPIO pins of a SCx200 processor as an I2C bus.
745 If you don't know what to do here, say N.
747 This support is also available as a module. If so, the module
748 will be called scx200_i2c.
750 This driver is deprecated and will be dropped soon. Use i2c-gpio
751 (or scx200_acb) instead.
753 config SCx200_I2C_SCL
754 int "GPIO pin used for SCL"
755 depends on SCx200_I2C
758 Enter the GPIO pin number used for the SCL signal. This value can
759 also be specified with a module parameter.
761 config SCx200_I2C_SDA
762 int "GPIO pin used for SDA"
763 depends on SCx200_I2C
766 Enter the GPIO pin number used for the SSA signal. This value can
767 also be specified with a module parameter.
770 tristate "Geode ACCESS.bus support"
771 depends on X86_32 && PCI
773 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
774 SC1100 processors and the CS5535 and CS5536 Geode companion devices.
776 If you don't know what to do here, say N.
778 This support is also available as a module. If so, the module
779 will be called scx200_acb.