1 # SPDX-License-Identifier: GPL-2.0-only
3 # Sensor device configuration
6 menu "I2C Hardware Bus support"
9 comment "PC SMBus host controller drivers"
16 If you say yes to this option, support will be included for the SMB
17 Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB
18 controller is part of the 7101 device, which is an ACPI-compliant
19 Power Management Unit (PMU).
21 This driver can also be built as a module. If so, the module
22 will be called i2c-ali1535.
28 If you say yes to this option, support will be included for the SMB
29 Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB
30 controller is part of the 7101 device, which is an ACPI-compliant
31 Power Management Unit (PMU).
33 This driver can also be built as a module. If so, the module
34 will be called i2c-ali1563.
40 If you say yes to this option, support will be included for the
41 Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces.
43 This driver can also be built as a module. If so, the module
44 will be called i2c-ali15x3.
47 tristate "AMD 756/766/768/8111 and nVidia nForce"
50 If you say yes to this option, support will be included for the AMD
51 756/766/768 mainboard I2C interfaces. The driver also includes
52 support for the first (SMBus 1.0) I2C interface of the AMD 8111 and
53 the nVidia nForce I2C interface.
55 This driver can also be built as a module. If so, the module
56 will be called i2c-amd756.
58 config I2C_AMD756_S4882
59 tristate "SMBus multiplexing on the Tyan S4882"
60 depends on I2C_AMD756 && X86
62 Enabling this option will add specific SMBus support for the Tyan
63 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed
64 over 8 different channels, where the various memory module EEPROMs
65 and temperature sensors live. Saying yes here will give you access
66 to these in addition to the trunk.
68 This driver can also be built as a module. If so, the module
69 will be called i2c-amd756-s4882.
75 If you say yes to this option, support will be included for the
76 second (SMBus 2.0) AMD 8111 mainboard I2C interface.
78 This driver can also be built as a module. If so, the module
79 will be called i2c-amd8111.
82 tristate "AMD MP2 PCIe"
83 depends on PCI && ACPI
85 If you say yes to this option, support will be included for the AMD
88 This driver can also be built as modules. If so, the modules will
89 be called i2c-amd-mp2-pci and i2c-amd-mp2-plat.
92 tristate "Hix5hd2 high-speed I2C driver"
93 depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST
95 Say Y here to include support for the high-speed I2C controller
96 used in HiSilicon hix5hd2 SoCs.
98 This driver can also be built as a module. If so, the module
99 will be called i2c-hix5hd2.
102 tristate "Intel 82801 (ICH/PCH)"
104 select CHECK_SIGNATURE if X86 && DMI
107 If you say yes to this option, support will be included for the Intel
108 801 family of mainboard I2C interfaces. Specifically, the following
109 versions of the chipset are supported:
115 82801EB/ER (ICH5/ICH5R)
152 This driver can also be built as a module. If so, the module
153 will be called i2c-i801.
156 tristate "Intel SCH SMBus 1.0"
160 Say Y here if you want to use SMBus controller on the Intel SCH
163 This driver can also be built as a module. If so, the module
164 will be called i2c-isch.
167 tristate "Intel iSMT SMBus Controller"
168 depends on PCI && X86
170 If you say yes to this option, support will be included for the Intel
171 iSMT SMBus host controller interface.
173 This driver can also be built as a module. If so, the module will be
177 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
180 If you say yes to this option, support will be included for the Intel
181 PIIX4 family of mainboard I2C interfaces. Specifically, the following
182 versions of the chipset are supported (note that Serverworks is part
203 Some AMD chipsets contain two PIIX4-compatible SMBus
204 controllers. This driver will attempt to use both controllers
205 on the SB700/SP5100, if they have been initialized by the BIOS.
207 This driver can also be built as a module. If so, the module
208 will be called i2c-piix4.
211 tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller"
212 depends on INTEL_SOC_PMIC_CHTWC
214 If you say yes to this option, support will be included for the
215 SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC
216 found on some Intel Cherry Trail systems.
218 Note this controller is hooked up to a TI bq24292i charger-IC,
219 combined with a FUSB302 Type-C port-controller as such it is advised
220 to also select CONFIG_TYPEC_FUSB302=m.
223 tristate "Nvidia nForce2, nForce3 and nForce4"
226 If you say yes to this option, support will be included for the Nvidia
227 nForce2, nForce3 and nForce4 families of mainboard I2C interfaces.
229 This driver can also be built as a module. If so, the module
230 will be called i2c-nforce2.
232 config I2C_NFORCE2_S4985
233 tristate "SMBus multiplexing on the Tyan S4985"
234 depends on I2C_NFORCE2 && X86
236 Enabling this option will add specific SMBus support for the Tyan
237 S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed
238 over 4 different channels, where the various memory module EEPROMs
239 live. Saying yes here will give you access to these in addition
242 This driver can also be built as a module. If so, the module
243 will be called i2c-nforce2-s4985.
245 config I2C_NVIDIA_GPU
246 tristate "NVIDIA GPU I2C controller"
249 If you say yes to this option, support will be included for the
250 NVIDIA GPU I2C controller which is used to communicate with the GPU's
251 Type-C controller. This driver can also be built as a module called
258 If you say yes to this option, support will be included for the
259 SiS5595 SMBus (a subset of I2C) interface.
261 This driver can also be built as a module. If so, the module
262 will be called i2c-sis5595.
265 tristate "SiS 630/730/964"
268 If you say yes to this option, support will be included for the
269 SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface.
271 This driver can also be built as a module. If so, the module
272 will be called i2c-sis630.
278 If you say yes to this option, support will be included for the SiS
279 96x SMBus (a subset of I2C) interfaces. Specifically, the following
280 chipsets are supported:
289 This driver can also be built as a module. If so, the module
290 will be called i2c-sis96x.
293 tristate "VIA VT82C586B"
297 If you say yes to this option, support will be included for the VIA
298 82C586B I2C interface
300 This driver can also be built as a module. If so, the module
301 will be called i2c-via.
304 tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900"
307 If you say yes to this option, support will be included for the VIA
308 VT82C596 and later SMBus interface. Specifically, the following
309 chipsets are supported:
322 This driver can also be built as a module. If so, the module
323 will be called i2c-viapro.
327 comment "ACPI drivers"
330 tristate "SMBus Control Method Interface"
332 This driver supports the SMBus Control Method Interface. It needs the
333 BIOS to declare ACPI control methods as described in the SMBus Control
334 Method Interface specification.
336 To compile this driver as a module, choose M here:
337 the module will be called i2c-scmi.
341 comment "Mac SMBus host controller drivers"
342 depends on PPC_CHRP || PPC_PMAC
345 tristate "CHRP Apple Hydra Mac I/O I2C interface"
346 depends on PCI && PPC_CHRP
349 This supports the use of the I2C interface in the Apple Hydra Mac
350 I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you
353 This support is also available as a module. If so, the module
354 will be called i2c-hydra.
357 tristate "Powermac I2C interface"
361 This exposes the various PowerMac i2c interfaces to the linux i2c
362 layer and to userland. It is used by various drivers on the PowerMac
363 platform, and should generally be enabled.
365 This support is also available as a module. If so, the module
366 will be called i2c-powermac.
368 comment "I2C system bus drivers (mostly embedded / system-on-chip)"
371 tristate "Altera Soft IP I2C"
372 depends on ARCH_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST
375 If you say yes to this option, support will be included for the
376 Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
378 This driver can also be built as a module. If so, the module
379 will be called i2c-altera.
382 tristate "Aspeed I2C Controller"
383 depends on ARCH_ASPEED || COMPILE_TEST
385 If you say yes to this option, support will be included for the
386 Aspeed I2C controller.
388 This driver can also be built as a module. If so, the module
389 will be called i2c-aspeed.
392 tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
393 depends on ARCH_AT91 || COMPILE_TEST
395 This supports the use of the I2C interface on Atmel AT91
398 A serious problem is that there is no documented way to issue
399 repeated START conditions for more than two messages, as needed
400 to support combined I2C messages. Use the i2c-gpio driver
401 unless your system can cope with this limitation.
403 Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices
404 don't have clock stretching in transmission mode. For that reason,
405 you can encounter underrun issues causing premature stop sendings if
406 the latency to fill the transmission register is too long. If you
407 are facing this situation, use the i2c-gpio driver.
409 config I2C_AT91_SLAVE_EXPERIMENTAL
410 tristate "Microchip AT91 I2C experimental slave mode"
414 If you say yes to this option, support for the slave mode will be
415 added. Caution: do not use it for production. This feature has not
416 been tested in a heavy way, help wanted.
417 There are known bugs:
418 - It can hang, on a SAMA5D4, after several transfers.
419 - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as
423 tristate "Au1550/Au1200/Au1300 SMBus interface"
424 depends on MIPS_ALCHEMY
426 If you say yes to this option, support will be included for the
427 Au1550/Au1200/Au1300 SMBus interface.
429 This driver can also be built as a module. If so, the module
430 will be called i2c-au1550.
433 tristate "Axxia I2C controller"
434 depends on ARCH_AXXIA || COMPILE_TEST
438 Say yes if you want to support the I2C bus on Axxia platforms.
440 Please note that this controller is limited to transfers of maximum
441 255 bytes in length. Any attempt to to a larger transfer will return
445 tristate "Broadcom BCM2835 I2C controller"
446 depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
447 depends on COMMON_CLK
449 If you say yes to this option, support will be included for the
450 BCM2835 I2C controller.
452 If you don't know what to do here, say N.
454 This support is also available as a module. If so, the module
455 will be called i2c-bcm2835.
458 tristate "Broadcom iProc I2C controller"
459 depends on ARCH_BCM_IPROC || COMPILE_TEST
460 default ARCH_BCM_IPROC
463 If you say yes to this option, support will be included for the
464 Broadcom iProc I2C controller.
466 If you don't know what to do here, say N.
469 tristate "BCM Kona I2C adapter"
470 depends on ARCH_BCM_MOBILE || COMPILE_TEST
471 default y if ARCH_BCM_MOBILE
473 If you say yes to this option, support will be included for the
474 I2C interface on the Broadcom Kona family of processors.
476 If you do not need KONA I2C interface, say N.
479 tristate "BRCM Settop/DSL I2C controller"
480 depends on ARCH_BCM2835 || ARCH_BRCMSTB || BMIPS_GENERIC || \
481 ARCH_BCM_63XX || COMPILE_TEST
484 If you say yes to this option, support will be included for the
485 I2C interface on the Broadcom Settop/DSL SoCs.
487 If you do not need I2C interface, say N.
490 tristate "Cadence I2C Controller"
491 depends on ARCH_ZYNQ || ARM64 || XTENSA
493 Say yes here to select Cadence I2C Host Controller. This controller is
494 e.g. used by Xilinx Zynq.
497 tristate "CBUS I2C driver"
498 depends on GPIOLIB || COMPILE_TEST
500 Support for CBUS access using I2C API. Mostly relevant for Nokia
501 Internet Tablets (770, N800 and N810).
503 This driver can also be built as a module. If so, the module
504 will be called i2c-cbus-gpio.
507 tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
508 depends on CPM1 || CPM2
510 This supports the use of the I2C interface on Freescale
511 processors with CPM1 or CPM2.
513 This driver can also be built as a module. If so, the module
514 will be called i2c-cpm.
517 tristate "DaVinci I2C driver"
518 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
520 Support for TI DaVinci I2C controller driver.
522 This driver can also be built as a module. If so, the module
523 will be called i2c-davinci.
525 Please note that this driver might be needed to bring up other
526 devices such as DaVinci NIC.
527 For details please see http://www.ti.com/davinci
529 config I2C_DESIGNWARE_CORE
533 config I2C_DESIGNWARE_SLAVE
534 bool "Synopsys DesignWare Slave"
535 depends on I2C_DESIGNWARE_CORE
538 If you say yes to this option, support will be included for the
539 Synopsys DesignWare I2C slave adapter.
541 This is not a standalone module, this module compiles together with
544 config I2C_DESIGNWARE_PLATFORM
545 tristate "Synopsys DesignWare Platform"
546 depends on (ACPI && COMMON_CLK) || !ACPI
547 select I2C_DESIGNWARE_CORE
548 select MFD_SYSCON if MIPS_BAIKAL_T1
550 If you say yes to this option, support will be included for the
551 Synopsys DesignWare I2C adapter.
553 This driver can also be built as a module. If so, the module
554 will be called i2c-designware-platform.
556 config I2C_DESIGNWARE_BAYTRAIL
557 bool "Intel Baytrail I2C semaphore support"
559 depends on I2C_DESIGNWARE_PLATFORM
560 depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \
561 (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y)
563 This driver enables managed host access to the PMIC I2C bus on select
564 Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows
565 the host to request uninterrupted access to the PMIC's I2C bus from
566 the platform firmware controlling it. You should say Y if running on
567 a BayTrail system using the AXP288.
569 config I2C_DESIGNWARE_PCI
570 tristate "Synopsys DesignWare PCI"
572 select I2C_DESIGNWARE_CORE
574 If you say yes to this option, support will be included for the
575 Synopsys DesignWare I2C adapter. Only master mode is supported.
577 This driver can also be built as a module. If so, the module
578 will be called i2c-designware-pci.
581 tristate "Conexant Digicolor I2C driver"
582 depends on ARCH_DIGICOLOR || COMPILE_TEST
584 Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.
586 This driver can also be built as a module. If so, the module
587 will be called i2c-digicolor.
590 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
591 depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
593 This driver is for PCH(Platform controller Hub) I2C of EG20T which
594 is an IOH(Input/Output Hub) for x86 embedded processor.
595 This driver can access PCH I2C bus device.
597 This driver also can be used for LAPIS Semiconductor IOH(Input/
598 Output Hub), ML7213, ML7223 and ML7831.
599 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
600 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
601 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
602 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
605 tristate "EMMA Mobile series I2C adapter"
609 If you say yes to this option, support will be included for the
610 I2C interface on the Renesas Electronics EM/EV family of processors.
613 tristate "Exynos high-speed I2C driver"
615 depends on ARCH_EXYNOS || COMPILE_TEST
616 default y if ARCH_EXYNOS
618 High-speed I2C controller on Exynos5 and newer Samsung SoCs.
621 tristate "GPIO-based bitbanging I2C"
622 depends on GPIOLIB || COMPILE_TEST
625 This is a very simple bitbanging I2C driver utilizing the
626 arch-neutral GPIO API to control the SCL and SDA lines.
628 config I2C_GPIO_FAULT_INJECTOR
629 bool "GPIO-based fault injector"
632 This adds some functionality to the i2c-gpio driver which can inject
633 faults to an I2C bus, so another bus master can be stress-tested.
634 This is for debugging. If unsure, say 'no'.
636 config I2C_HIGHLANDER
637 tristate "Highlander FPGA SMBus interface"
638 depends on SH_HIGHLANDER || COMPILE_TEST
640 If you say yes to this option, support will be included for
641 the SMBus interface located in the FPGA on various Highlander
642 boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL
643 FPGAs. This is wholly unrelated to the SoC I2C.
645 This driver can also be built as a module. If so, the module
646 will be called i2c-highlander.
649 tristate "HiSilicon I2C controller"
650 depends on ARM64 || COMPILE_TEST
652 Say Y here if you want to have Hisilicon I2C controller support
653 available on the Kunpeng Server.
655 This driver can also be built as a module. If so, the module
656 will be called i2c-hisi.
659 tristate "IBM PPC 4xx on-chip I2C interface"
662 Say Y here if you want to use IIC peripheral found on
663 embedded IBM PPC 4xx based systems.
665 This driver can also be built as a module. If so, the module
666 will be called i2c-ibm_iic.
669 tristate "Imagination Technologies I2C SCB Controller"
670 depends on MIPS || COMPILE_TEST
672 Say Y here if you want to use the IMG I2C SCB controller,
673 available on the TZ1090 and other IMG SoCs.
675 This driver can also be built as a module. If so, the module
676 will be called i2c-img-scb.
679 tristate "IMX I2C interface"
680 depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE
683 Say Y here if you want to use the IIC bus controller on
684 the Freescale i.MX/MXC, Layerscape or ColdFire processors.
686 This driver can also be built as a module. If so, the module
687 will be called i2c-imx.
690 tristate "IMX Low Power I2C interface"
691 depends on ARCH_MXC || COMPILE_TEST
693 Say Y here if you want to use the Low Power IIC bus controller
694 on the Freescale i.MX processors.
696 This driver can also be built as a module. If so, the module
697 will be called i2c-imx-lpi2c.
700 tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
701 depends on ARCH_IOP32X || ARCH_IXP4XX || COMPILE_TEST
703 Say Y here if you want to use the IIC bus controller on
704 the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
706 This driver can also be built as a module. If so, the module
707 will be called i2c-iop3xx.
710 tristate "JZ4780 I2C controller interface support"
711 depends on MIPS || COMPILE_TEST
713 If you say yes to this option, support will be included for the
714 Ingenic JZ4780 I2C controller.
716 If you don't know what to do here, say N.
719 tristate "Kontron COM I2C Controller"
720 depends on MFD_KEMPLD
722 This enables support for the I2C bus interface on some Kontron ETX
723 and COMexpress (ETXexpress) modules.
725 This driver can also be built as a module. If so, the module
726 will be called i2c-kempld.
729 tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx"
730 depends on OF && (ARCH_LPC18XX || COMPILE_TEST)
732 This driver supports the I2C interface found several NXP
733 devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx.
735 This driver can also be built as a module. If so, the module
736 will be called i2c-lpc2k.
739 tristate "Mellanox BlueField I2C controller"
740 depends on MELLANOX_PLATFORM && ARM64
743 Enabling this option will add I2C SMBus support for Mellanox BlueField
746 This driver can also be built as a module. If so, the module will be
749 This driver implements an I2C SMBus host controller and enables both
750 master and slave functions.
753 tristate "Amlogic Meson I2C controller"
754 depends on ARCH_MESON || COMPILE_TEST
755 depends on COMMON_CLK
757 If you say yes to this option, support will be included for the
758 I2C interface on the Amlogic Meson family of SoCs.
761 tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
764 If you say yes to this option, support will be included for the
765 built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
766 MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
768 This driver can also be built as a module. If so, the module
769 will be called i2c-mpc.
772 tristate "MediaTek I2C adapter"
773 depends on ARCH_MEDIATEK || COMPILE_TEST
775 This selects the MediaTek(R) Integrated Inter Circuit bus driver
776 for MT65xx and MT81xx.
777 If you want to use MediaTek(R) I2C interface, say Y or M here.
781 tristate "MT7621/MT7628 I2C Controller"
782 depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST
784 Say Y here to include support for I2C controller in the
785 MediaTek MT7621/MT7628 SoCs.
788 tristate "Marvell mv64xxx I2C Controller"
789 depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
791 If you say yes to this option, support will be included for the
792 built-in I2C interface on the Marvell 64xxx line of host bridges.
793 This driver is also used for Allwinner SoCs I2C controllers.
795 This driver can also be built as a module. If so, the module
796 will be called i2c-mv64xxx.
799 tristate "Freescale i.MX28 I2C interface"
800 depends on SOC_IMX28 || COMPILE_TEST
803 Say Y here if you want to use the I2C bus controller on
804 the Freescale i.MX28 processors.
806 This driver can also be built as a module. If so, the module
807 will be called i2c-mxs.
810 tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
813 If you say yes to this option, support will be included for the
814 I2C interface from ST-Ericsson's Nomadik and Ux500 architectures,
815 as well as the STA2X11 PCIe I/O HUB.
818 tristate "Nuvoton I2C Controller"
819 depends on ARCH_NPCM7XX || COMPILE_TEST
821 If you say yes to this option, support will be included for the
822 Nuvoton I2C controller, which is available on the NPCM7xx BMC
824 Driver can also support slave mode (select I2C_SLAVE).
827 tristate "OpenCores I2C Controller"
829 If you say yes to this option, support will be included for the
830 OpenCores I2C controller. For details see
831 http://www.opencores.org/projects.cgi/web/i2c/overview
833 This driver can also be built as a module. If so, the module
834 will be called i2c-ocores.
837 tristate "OMAP I2C adapter"
838 depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
839 default y if MACH_OMAP_H3 || MACH_OMAP_OSK
841 If you say yes to this option, support will be included for the
842 I2C interface on the Texas Instruments OMAP1/2 family of processors.
843 Like OMAP1510/1610/1710/5912 and OMAP242x.
844 For details see http://www.ti.com/omap.
847 tristate "Actions Semiconductor Owl I2C Controller"
848 depends on ARCH_ACTIONS || COMPILE_TEST
850 Say Y here if you want to use the I2C bus controller on
851 the Actions Semiconductor Owl SoC's.
854 tristate "PA Semi SMBus interface"
855 depends on PPC_PASEMI && PCI
857 Supports the PA Semi PWRficient on-chip SMBus interfaces.
859 config I2C_PCA_PLATFORM
860 tristate "PCA9564/PCA9665 as platform device"
863 This driver supports a memory mapped Philips PCA9564/PCA9665
864 parallel bus to I2C bus controller.
866 This driver can also be built as a module. If so, the module
867 will be called i2c-pca-platform.
870 tristate "PMC MSP I2C TWI Controller"
871 depends on PMC_MSP || COMPILE_TEST
873 This driver supports the PMC TWI controller on MSP devices.
875 This driver can also be built as module. If so, the module
876 will be called i2c-pmcmsp.
879 tristate "I2C bus support for Philips PNX and NXP LPC targets"
880 depends on ARCH_LPC32XX || COMPILE_TEST
882 This driver supports the Philips IP3204 I2C IP block master and/or
885 This driver can also be built as a module. If so, the module
886 will be called i2c-pnx.
889 tristate "Intel PXA2XX I2C adapter"
890 depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
892 If you have devices in the PXA I2C bus, say yes to this option.
893 This driver can also be built as a module. If so, the module
894 will be called i2c-pxa.
897 def_bool I2C_PXA && X86_32 && PCI && OF
900 bool "Intel PXA2XX I2C Slave comms support"
901 depends on I2C_PXA && !X86_32
904 Support I2C slave mode communications on the PXA I2C bus. This
905 is necessary for systems where the PXA may be a target on the
909 tristate "Qualcomm Camera Control Interface"
910 depends on ARCH_QCOM || COMPILE_TEST
912 If you say yes to this option, support will be included for the
913 built-in camera control interface on the Qualcomm SoCs.
915 This driver can also be built as a module. If so, the module
916 will be called i2c-qcom-cci.
919 tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
920 depends on ARCH_QCOM || COMPILE_TEST
921 depends on QCOM_GENI_SE
923 This driver supports GENI serial engine based I2C controller in
924 master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
925 yes to this option, support will be included for the built-in I2C
926 interface on the Qualcomm Technologies Inc.'s SoCs.
928 This driver can also be built as a module. If so, the module
929 will be called i2c-qcom-geni.
932 tristate "Qualcomm QUP based I2C controller"
935 If you say yes to this option, support will be included for the
936 built-in I2C interface on the Qualcomm SoCs.
938 This driver can also be built as a module. If so, the module
939 will be called i2c-qup.
942 tristate "Renesas RIIC adapter"
943 depends on ARCH_RENESAS || COMPILE_TEST
945 If you say yes to this option, support will be included for the
946 Renesas RIIC I2C interface.
948 This driver can also be built as a module. If so, the module
949 will be called i2c-riic.
952 tristate "Rockchip RK3xxx I2C adapter"
953 depends on OF && COMMON_CLK
955 Say Y here to include support for the I2C adapter in Rockchip RK3xxx
958 This driver can also be built as a module. If so, the module will
961 config HAVE_S3C2410_I2C
964 This will include I2C support for Samsung SoCs. If you want to
965 include I2C support for any machine, kindly select this in the
966 respective Kconfig file.
969 tristate "S3C/Exynos I2C Driver"
970 depends on HAVE_S3C2410_I2C || COMPILE_TEST
972 Say Y here to include support for I2C controller in the
973 Samsung SoCs (S3C, S5Pv210, Exynos).
976 tristate "Renesas SH7760 I2C Controller"
977 depends on CPU_SUBTYPE_SH7760
979 This driver supports the 2 I2C interfaces on the Renesas SH7760.
981 This driver can also be built as a module. If so, the module
982 will be called i2c-sh7760.
985 tristate "SuperH Mobile I2C Controller"
986 depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST
988 If you say yes to this option, support will be included for the
989 built-in I2C interface on the Renesas SH-Mobile processor.
991 This driver can also be built as a module. If so, the module
992 will be called i2c-sh_mobile.
995 tristate "Simtec Generic I2C interface"
998 If you say yes to this option, support will be included for
999 the Simtec Generic I2C interface. This driver is for the
1000 simple I2C bus used on newer Simtec products for general
1001 I2C, such as DDC on the Simtec BBD2016A.
1003 This driver can also be built as a module. If so, the module
1004 will be called i2c-simtec.
1007 tristate "Spreadtrum I2C interface"
1008 depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
1009 depends on COMMON_CLK
1011 If you say yes to this option, support will be included for the
1012 Spreadtrum I2C interface.
1015 tristate "STMicroelectronics SSC I2C support"
1016 depends on ARCH_STI || COMPILE_TEST
1018 Enable this option to add support for STMicroelectronics SoCs
1019 hardware SSC (Synchronous Serial Controller) as an I2C controller.
1021 This driver can also be built as module. If so, the module
1022 will be called i2c-st.
1025 tristate "STMicroelectronics STM32F4 I2C support"
1026 depends on ARCH_STM32 || COMPILE_TEST
1028 Enable this option to add support for STM32 I2C controller embedded
1031 This driver can also be built as module. If so, the module
1032 will be called i2c-stm32f4.
1035 tristate "STMicroelectronics STM32F7 I2C support"
1036 depends on ARCH_STM32 || COMPILE_TEST
1040 Enable this option to add support for STM32 I2C controller embedded
1043 This driver can also be built as module. If so, the module
1044 will be called i2c-stm32f7.
1046 config I2C_SUN6I_P2WI
1047 tristate "Allwinner sun6i internal P2WI controller"
1048 depends on RESET_CONTROLLER
1049 depends on MACH_SUN6I || COMPILE_TEST
1051 If you say yes to this option, support will be included for the
1052 P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi
1054 The P2WI looks like an SMBus controller (which supports only byte
1055 accesses), except that it only supports one slave device.
1056 This interface is used to connect to specific PMIC devices (like the
1059 config I2C_SYNQUACER
1060 tristate "Socionext SynQuacer I2C controller"
1061 depends on ARCH_SYNQUACER || COMPILE_TEST
1063 Say Y here to include support for the I2C controller used in some
1064 Fujitsu and Socionext SoCs.
1066 This driver can also be built as a module. If so, the module
1067 will be called i2c-synquacer.
1070 tristate "NVIDIA Tegra internal I2C controller"
1071 depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
1072 # COMPILE_TEST needs architectures with readsX()/writesX() primitives
1074 If you say yes to this option, support will be included for the
1075 I2C controller embedded in NVIDIA Tegra SOCs
1077 config I2C_TEGRA_BPMP
1078 tristate "NVIDIA Tegra BPMP I2C controller"
1079 depends on TEGRA_BPMP || COMPILE_TEST
1080 default y if TEGRA_BPMP
1082 If you say yes to this option, support will be included for the I2C
1083 controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
1085 This I2C driver is a 'virtual' I2C driver. The real driver is part
1086 of the BPMP firmware, and this driver merely communicates with that
1090 tristate "UniPhier FIFO-less I2C controller"
1091 depends on ARCH_UNIPHIER || COMPILE_TEST
1093 If you say yes to this option, support will be included for
1094 the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8,
1095 or older UniPhier SoCs.
1097 config I2C_UNIPHIER_F
1098 tristate "UniPhier FIFO-builtin I2C controller"
1099 depends on ARCH_UNIPHIER || COMPILE_TEST
1101 If you say yes to this option, support will be included for
1102 the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4,
1103 PH1-Pro5, or newer UniPhier SoCs.
1105 config I2C_VERSATILE
1106 tristate "ARM Versatile/Realview I2C bus support"
1107 depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
1110 Say yes if you want to support the I2C serial bus on ARMs Versatile
1113 This driver can also be built as a module. If so, the module
1114 will be called i2c-versatile.
1117 tristate "Wondermedia WM8xxx SoC I2C bus support"
1118 depends on ARCH_VT8500 || COMPILE_TEST
1120 Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
1123 This driver can also be built as a module. If so, the module will be
1127 tristate "Cavium OCTEON I2C bus support"
1128 depends on CAVIUM_OCTEON_SOC
1130 Say yes if you want to support the I2C serial bus on Cavium
1133 This driver can also be built as a module. If so, the module
1134 will be called i2c-octeon.
1137 tristate "Cavium ThunderX I2C bus support"
1138 depends on 64BIT && PCI && (ARM64 || COMPILE_TEST)
1141 Say yes if you want to support the I2C serial bus on Cavium
1144 This driver can also be built as a module. If so, the module
1145 will be called i2c-thunderx.
1148 tristate "Xilinx I2C Controller"
1149 depends on HAS_IOMEM
1151 If you say yes to this option, support will be included for the
1152 Xilinx I2C controller.
1154 This driver can also be built as a module. If so, the module
1155 will be called xilinx_i2c.
1158 tristate "Netlogic XLR I2C support"
1159 depends on CPU_XLR || COMPILE_TEST
1161 This driver enables support for the on-chip I2C interface of
1162 the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
1164 This driver can also be built as a module. If so, the module
1165 will be called i2c-xlr.
1168 tristate "XLP9XX I2C support"
1169 depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST
1171 This driver enables support for the on-chip I2C interface of
1172 the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors.
1174 This driver can also be built as a module. If so, the module will
1175 be called i2c-xlp9xx.
1178 tristate "Renesas R-Car I2C Controller"
1179 depends on ARCH_RENESAS || COMPILE_TEST
1182 select RESET_CONTROLLER if ARCH_RCAR_GEN3
1184 If you say yes to this option, support will be included for the
1185 R-Car I2C controller.
1187 This driver can also be built as a module. If so, the module
1188 will be called i2c-rcar.
1190 comment "External I2C/SMBus adapter drivers"
1192 config I2C_DIOLAN_U2C
1193 tristate "Diolan U2C-12 USB adapter"
1196 If you say yes to this option, support will be included for Diolan
1197 U2C-12, a USB to I2C interface.
1199 This driver can also be built as a module. If so, the module
1200 will be called i2c-diolan-u2c.
1203 tristate "Diolan DLN-2 USB I2C adapter"
1206 If you say yes to this option, support will be included for Diolan
1207 DLN2, a USB to I2C interface.
1209 This driver can also be built as a module. If so, the module
1210 will be called i2c-dln2.
1213 tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
1216 If you say yes to this option, support will be included for Silicon
1217 Labs CP2615's I2C interface.
1219 This driver can also be built as a module. If so, the module
1220 will be called i2c-cp2615.
1223 tristate "Parallel port adapter"
1228 This supports parallel port I2C adapters such as the ones made by
1229 Philips or Velleman, Analog Devices evaluation boards, and more.
1230 Basically any adapter using the parallel port as an I2C bus with
1231 no extra chipset is supported by this driver, or could be. Please
1232 read the file Documentation/i2c/busses/i2c-parport.rst for details.
1234 This support is also available as a module. If so, the module
1235 will be called i2c-parport.
1237 config I2C_ROBOTFUZZ_OSIF
1238 tristate "RobotFuzz Open Source InterFace USB adapter"
1241 If you say yes to this option, support will be included for the
1242 RobotFuzz Open Source InterFace USB to I2C interface.
1244 This driver can also be built as a module. If so, the module
1245 will be called i2c-osif.
1248 tristate "TAOS evaluation module"
1251 select SERIO_SERPORT
1253 This supports TAOS evaluation modules on serial port. In order to
1254 use this driver, you will need the inputattach tool, which is part
1255 of the input-utils package.
1259 This support is also available as a module. If so, the module
1260 will be called i2c-taos-evm.
1263 tristate "Tiny-USB adapter"
1266 If you say yes to this option, support will be included for the
1267 i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See
1268 http://www.harbaum.org/till/i2c_tiny_usb for hardware details.
1270 This driver can also be built as a module. If so, the module
1271 will be called i2c-tiny-usb.
1273 config I2C_VIPERBOARD
1274 tristate "Viperboard I2C master support"
1275 depends on MFD_VIPERBOARD && USB
1277 Say yes here to access the I2C part of the Nano River
1278 Technologies Viperboard as I2C master.
1279 See viperboard API specification and Nano
1280 River Tech's viperboard.h for detailed meaning
1281 of the module parameters.
1283 comment "Other I2C/SMBus bus drivers"
1286 tristate "Acorn IOC/IOMD I2C bus support"
1287 depends on ARCH_ACORN
1291 Say yes if you want to support the I2C bus on Acorn platforms.
1293 If you don't know, say Y.
1296 tristate "Elektor ISA card"
1297 depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP
1300 This supports the PCF8584 ISA bus I2C adapter. Say Y if you own
1303 This support is also available as a module. If so, the module
1304 will be called i2c-elektor.
1307 tristate "ICY Zorro card"
1311 This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
1312 Say Y if you own such an adapter.
1314 This support is also available as a module. If so, the module
1315 will be called i2c-icy.
1317 If you have a 2019 edition board with an LTC2990 sensor at address
1318 0x4c, loading the module 'ltc2990' is sufficient to enable it.
1321 tristate "Mellanox I2C driver"
1322 depends on X86_64 || COMPILE_TEST
1324 This exposes the Mellanox platform I2C busses to the linux I2C layer
1325 for X86 based systems.
1326 Controller is implemented as CPLD logic.
1328 This driver can also be built as a module. If so, the module will be
1329 called as i2c-mlxcpld.
1332 tristate "PCA9564/PCA9665 on an ISA bus"
1336 This driver supports ISA boards using the Philips PCA9564/PCA9665
1337 parallel bus to I2C bus controller.
1339 This driver can also be built as a module. If so, the module
1340 will be called i2c-pca-isa.
1342 This device is almost undetectable and using this driver on a
1343 system which doesn't have this device will result in long
1344 delays when I2C/SMBus chip drivers are loaded (e.g. at boot
1345 time). If unsure, say N.
1348 tristate "SiByte SMBus interface"
1349 depends on SIBYTE_SB1xxx_SOC
1351 Supports the SiByte SOC on-chip I2C interfaces (2 channels).
1353 config I2C_CROS_EC_TUNNEL
1354 tristate "ChromeOS EC tunnel I2C bus"
1357 If you say yes here you get an I2C bus that will tunnel i2c commands
1358 through to the other side of the ChromeOS EC to the i2c bus
1359 connected there. This will work whatever the interface used to
1360 talk to the EC (SPI, I2C or LPC).
1362 config I2C_XGENE_SLIMPRO
1363 tristate "APM X-Gene SoC I2C SLIMpro devices support"
1364 depends on ARCH_XGENE && MAILBOX
1366 Enable I2C bus access using the APM X-Gene SoC SLIMpro
1367 co-processor. The I2C device access the I2C bus via the X-Gene
1368 to SLIMpro (On chip coprocessor) mailbox mechanism.
1372 tristate "Geode ACCESS.bus support"
1373 depends on X86_32 && PCI
1375 Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
1376 SC1100 processors and the CS5535 and CS5536 Geode companion devices.
1378 If you don't know what to do here, say N.
1380 This support is also available as a module. If so, the module
1381 will be called scx200_acb.
1384 tristate "IBM OPAL I2C driver"
1385 depends on PPC_POWERNV
1388 This exposes the PowerNV platform i2c busses to the linux i2c layer,
1389 the driver is based on the OPAL interfaces.
1391 This driver can also be built as a module. If so, the module will be
1395 tristate "FSI I2C driver"
1398 Driver for FSI bus attached I2C masters. These are I2C masters that
1399 are connected to the system over an FSI bus, instead of the more
1400 common PCI or MMIO interface.
1402 This driver can also be built as a module. If so, the module will be