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/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/drivers/i2c/busses/Kconfig
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# # Sensor device configuration # menu "I2C Hardware Bus support" depends on HAS_IOMEM comment "PC SMBus host controller drivers" depends on PCI config I2C_CCGX_UCSI tristate help A common module to provide an API to instantiate UCSI device for Cypress CCGx Type-C controller. Individual bus drivers need to select this one on demand. config I2C_ALI1535 tristate "ALI 1535" depends on PCI help If you say yes to this option, support will be included for the SMB Host controller on Acer Labs Inc. (ALI) M1535 South Bridges. The SMB controller is part of the 7101 device, which is an ACPI-compliant Power Management Unit (PMU). This driver can also be built as a module. If so, the module will be called i2c-ali1535. config I2C_ALI1563 tristate "ALI 1563" depends on PCI help If you say yes to this option, support will be included for the SMB Host controller on Acer Labs Inc. (ALI) M1563 South Bridges. The SMB controller is part of the 7101 device, which is an ACPI-compliant Power Management Unit (PMU). This driver can also be built as a module. If so, the module will be called i2c-ali1563. config I2C_ALI15X3 tristate "ALI 15x3" depends on PCI help If you say yes to this option, support will be included for the Acer Labs Inc. (ALI) M1514 and M1543 motherboard I2C interfaces. This driver can also be built as a module. If so, the module will be called i2c-ali15x3. config I2C_AMD756 tristate "AMD 756/766/768/8111 and nVidia nForce" depends on PCI help If you say yes to this option, support will be included for the AMD 756/766/768 mainboard I2C interfaces. The driver also includes support for the first (SMBus 1.0) I2C interface of the AMD 8111 and the nVidia nForce I2C interface. This driver can also be built as a module. If so, the module will be called i2c-amd756. config I2C_AMD756_S4882 tristate "SMBus multiplexing on the Tyan S4882" depends on I2C_AMD756 && X86 help Enabling this option will add specific SMBus support for the Tyan S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed over 8 different channels, where the various memory module EEPROMs and temperature sensors live. Saying yes here will give you access to these in addition to the trunk. This driver can also be built as a module. If so, the module will be called i2c-amd756-s4882. config I2C_AMD8111 tristate "AMD 8111" depends on PCI help If you say yes to this option, support will be included for the second (SMBus 2.0) AMD 8111 mainboard I2C interface. This driver can also be built as a module. If so, the module will be called i2c-amd8111. config I2C_HIX5HD2 tristate "Hix5hd2 high-speed I2C driver" depends on ARCH_HISI || ARCH_HIX5HD2 || COMPILE_TEST help Say Y here to include support for the high-speed I2C controller used in HiSilicon hix5hd2 SoCs. This driver can also be built as a module. If so, the module will be called i2c-hix5hd2. config I2C_I801 tristate "Intel 82801 (ICH/PCH)" depends on PCI select CHECK_SIGNATURE if X86 && DMI select I2C_SMBUS help If you say yes to this option, support will be included for the Intel 801 family of mainboard I2C interfaces. Specifically, the following versions of the chipset are supported: 82801AA 82801AB 82801BA 82801CA/CAM 82801DB 82801EB/ER (ICH5/ICH5R) 6300ESB ICH6 ICH7 ESB2 ICH8 ICH9 EP80579 (Tolapai) ICH10 5/3400 Series (PCH) 6 Series (PCH) Patsburg (PCH) DH89xxCC (PCH) Panther Point (PCH) Lynx Point (PCH) Lynx Point-LP (PCH) Avoton (SOC) Wellsburg (PCH) Coleto Creek (PCH) Wildcat Point (PCH) Wildcat Point-LP (PCH) BayTrail (SOC) Braswell (SOC) Sunrise Point-H (PCH) Sunrise Point-LP (PCH) Kaby Lake-H (PCH) DNV (SOC) Broxton (SOC) Lewisburg (PCH) Gemini Lake (SOC) Cannon Lake-H (PCH) Cannon Lake-LP (PCH) Cedar Fork (PCH) Ice Lake (PCH) Comet Lake (PCH) Elkhart Lake (PCH) Tiger Lake (PCH) Emmitsburg (PCH) Alder Lake (PCH) Raptor Lake (PCH) Meteor Lake (SOC) This driver can also be built as a module. If so, the module will be called i2c-i801. config I2C_ISCH tristate "Intel SCH SMBus 1.0" depends on PCI select LPC_SCH help Say Y here if you want to use SMBus controller on the Intel SCH based systems. This driver can also be built as a module. If so, the module will be called i2c-isch. config I2C_ISMT tristate "Intel iSMT SMBus Controller" depends on PCI && X86 help If you say yes to this option, support will be included for the Intel iSMT SMBus host controller interface. This driver can also be built as a module. If so, the module will be called i2c-ismt. config I2C_PIIX4 tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)" depends on PCI help If you say yes to this option, support will be included for the Intel PIIX4 family of mainboard I2C interfaces. Specifically, the following versions of the chipset are supported (note that Serverworks is part of Broadcom): Intel PIIX4 Intel 440MX ATI IXP200 ATI IXP300 ATI IXP400 ATI SB600 ATI SB700/SP5100 ATI SB800 AMD Hudson-2 AMD ML AMD CZ Hygon CZ Serverworks OSB4 Serverworks CSB5 Serverworks CSB6 Serverworks HT-1000 Serverworks HT-1100 SMSC Victory66 Some AMD chipsets contain two PIIX4-compatible SMBus controllers. This driver will attempt to use both controllers on the SB700/SP5100, if they have been initialized by the BIOS. This driver can also be built as a module. If so, the module will be called i2c-piix4. config I2C_CHT_WC tristate "Intel Cherry Trail Whiskey Cove PMIC smbus controller" depends on INTEL_SOC_PMIC_CHTWC help If you say yes to this option, support will be included for the SMBus controller found in the Intel Cherry Trail Whiskey Cove PMIC found on some Intel Cherry Trail systems. Note this controller is hooked up to a TI bq24292i charger-IC, combined with a FUSB302 Type-C port-controller as such it is advised to also select CONFIG_TYPEC_FUSB302=m. config I2C_NFORCE2 tristate "Nvidia nForce2, nForce3 and nForce4" depends on PCI help If you say yes to this option, support will be included for the Nvidia nForce2, nForce3 and nForce4 families of mainboard I2C interfaces. This driver can also be built as a module. If so, the module will be called i2c-nforce2. config I2C_NFORCE2_S4985 tristate "SMBus multiplexing on the Tyan S4985" depends on I2C_NFORCE2 && X86 help Enabling this option will add specific SMBus support for the Tyan S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed over 4 different channels, where the various memory module EEPROMs live. Saying yes here will give you access to these in addition to the trunk. This driver can also be built as a module. If so, the module will be called i2c-nforce2-s4985. config I2C_NVIDIA_GPU tristate "NVIDIA GPU I2C controller" depends on PCI select I2C_CCGX_UCSI help If you say yes to this option, support will be included for the NVIDIA GPU I2C controller which is used to communicate with the GPU's Type-C controller. This driver can also be built as a module called i2c-nvidia-gpu. config I2C_SIS5595 tristate "SiS 5595" depends on PCI help If you say yes to this option, support will be included for the SiS5595 SMBus (a subset of I2C) interface. This driver can also be built as a module. If so, the module will be called i2c-sis5595. config I2C_SIS630 tristate "SiS 630/730/964" depends on PCI help If you say yes to this option, support will be included for the SiS630, SiS730 and SiS964 SMBus (a subset of I2C) interface. This driver can also be built as a module. If so, the module will be called i2c-sis630. config I2C_SIS96X tristate "SiS 96x" depends on PCI help If you say yes to this option, support will be included for the SiS 96x SMBus (a subset of I2C) interfaces. Specifically, the following chipsets are supported: 645/961 645DX/961 645DX/962 648/961 650/961 735 745 This driver can also be built as a module. If so, the module will be called i2c-sis96x. config I2C_VIA tristate "VIA VT82C586B" depends on PCI select I2C_ALGOBIT help If you say yes to this option, support will be included for the VIA 82C586B I2C interface This driver can also be built as a module. If so, the module will be called i2c-via. config I2C_VIAPRO tristate "VIA VT82C596/82C686/82xx and CX700/VX8xx/VX900" depends on PCI help If you say yes to this option, support will be included for the VIA VT82C596 and later SMBus interface. Specifically, the following chipsets are supported: VT82C596A/B VT82C686A/B VT8231 VT8233/A VT8235 VT8237R/A/S VT8251 CX700 VX800/VX820 VX855/VX875 VX900 This driver can also be built as a module. If so, the module will be called i2c-viapro. if ACPI comment "ACPI drivers" config I2C_SCMI tristate "SMBus Control Method Interface" help This driver supports the SMBus Control Method Interface. It needs the BIOS to declare ACPI control methods as described in the SMBus Control Method Interface specification. To compile this driver as a module, choose M here: the module will be called i2c-scmi. endif # ACPI comment "Mac SMBus host controller drivers" depends on PPC_CHRP || PPC_PMAC config I2C_HYDRA tristate "CHRP Apple Hydra Mac I/O I2C interface" depends on PCI && PPC_CHRP select I2C_ALGOBIT help This supports the use of the I2C interface in the Apple Hydra Mac I/O chip on some CHRP machines (e.g. the LongTrail). Say Y if you have such a machine. This support is also available as a module. If so, the module will be called i2c-hydra. config I2C_POWERMAC tristate "Powermac I2C interface" depends on PPC_PMAC default y help This exposes the various PowerMac i2c interfaces to the linux i2c layer and to userland. It is used by various drivers on the PowerMac platform, and should generally be enabled. This support is also available as a module. If so, the module will be called i2c-powermac. comment "I2C system bus drivers (mostly embedded / system-on-chip)" config I2C_ALTERA tristate "Altera Soft IP I2C" depends on (ARCH_SOCFPGA || NIOS2) && OF help If you say yes to this option, support will be included for the Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures. This driver can also be built as a module. If so, the module will be called i2c-altera. config I2C_ASPEED tristate "Aspeed I2C Controller" depends on ARCH_ASPEED || COMPILE_TEST help If you say yes to this option, support will be included for the Aspeed I2C controller. This driver can also be built as a module. If so, the module will be called i2c-aspeed. config I2C_AT91 tristate "Atmel AT91 I2C Two-Wire interface (TWI)" depends on ARCH_AT91 help This supports the use of the I2C interface on Atmel AT91 processors. A serious problem is that there is no documented way to issue repeated START conditions for more than two messages, as needed to support combined I2C messages. Use the i2c-gpio driver unless your system can cope with this limitation. Caution! at91rm9200, at91sam9261, at91sam9260, at91sam9263 devices don't have clock stretching in transmission mode. For that reason, you can encounter underrun issues causing premature stop sendings if the latency to fill the transmission register is too long. If you are facing this situation, use the i2c-gpio driver. config I2C_AU1550 tristate "Au1550/Au1200/Au1300 SMBus interface" depends on MIPS_ALCHEMY help If you say yes to this option, support will be included for the Au1550/Au1200/Au1300 SMBus interface. This driver can also be built as a module. If so, the module will be called i2c-au1550. config I2C_AXXIA tristate "Axxia I2C controller" depends on ARCH_AXXIA || COMPILE_TEST default ARCH_AXXIA help Say yes if you want to support the I2C bus on Axxia platforms. Please note that this controller is limited to transfers of maximum 255 bytes in length. Any attempt to to a larger transfer will return an error. config I2C_BCM2835 tristate "Broadcom BCM2835 I2C controller" depends on ARCH_BCM2835 help If you say yes to this option, support will be included for the BCM2835 I2C controller. If you don't know what to do here, say N. This support is also available as a module. If so, the module will be called i2c-bcm2835. config I2C_BCM_IPROC tristate "Broadcom iProc I2C controller" depends on ARCH_BCM_IPROC || COMPILE_TEST default ARCH_BCM_IPROC help If you say yes to this option, support will be included for the Broadcom iProc I2C controller. If you don't know what to do here, say N. config I2C_BCM_KONA tristate "BCM Kona I2C adapter" depends on ARCH_BCM_MOBILE default y help If you say yes to this option, support will be included for the I2C interface on the Broadcom Kona family of processors. If you do not need KONA I2C interface, say N. config I2C_BRCMSTB tristate "BRCM Settop I2C controller" depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST default y help If you say yes to this option, support will be included for the I2C interface on the Broadcom Settop SoCs. If you do not need I2C interface, say N. config I2C_CADENCE tristate "Cadence I2C Controller" depends on ARCH_ZYNQ || ARM64 || XTENSA help Say yes here to select Cadence I2C Host Controller. This controller is e.g. used by Xilinx Zynq. config I2C_CBUS_GPIO tristate "CBUS I2C driver" depends on GPIOLIB || COMPILE_TEST help Support for CBUS access using I2C API. Mostly relevant for Nokia Internet Tablets (770, N800 and N810). This driver can also be built as a module. If so, the module will be called i2c-cbus-gpio. config I2C_CPM tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)" depends on CPM1 || CPM2 help This supports the use of the I2C interface on Freescale processors with CPM1 or CPM2. This driver can also be built as a module. If so, the module will be called i2c-cpm. config I2C_DAVINCI tristate "DaVinci I2C driver" depends on ARCH_DAVINCI || ARCH_KEYSTONE help Support for TI DaVinci I2C controller driver. This driver can also be built as a module. If so, the module will be called i2c-davinci. Please note that this driver might be needed to bring up other devices such as DaVinci NIC. For details please see http://www.ti.com/davinci config I2C_DESIGNWARE_CORE tristate select REGMAP config I2C_DESIGNWARE_SLAVE bool "Synopsys DesignWare Slave" select I2C_SLAVE help If you say yes to this option, support will be included for the Synopsys DesignWare I2C slave adapter. This is not a standalone module, this module compiles together with i2c-designware-core. config I2C_DESIGNWARE_PLATFORM tristate "Synopsys DesignWare Platform" depends on (ACPI && COMMON_CLK) || !ACPI select I2C_DESIGNWARE_CORE select MFD_SYSCON if MIPS_BAIKAL_T1 help If you say yes to this option, support will be included for the Synopsys DesignWare I2C adapter. This driver can also be built as a module. If so, the module will be called i2c-designware-platform. config I2C_DESIGNWARE_PCI tristate "Synopsys DesignWare PCI" depends on PCI select I2C_DESIGNWARE_CORE select I2C_CCGX_UCSI help If you say yes to this option, support will be included for the Synopsys DesignWare I2C adapter. Only master mode is supported. This driver can also be built as a module. If so, the module will be called i2c-designware-pci. config I2C_DESIGNWARE_BAYTRAIL bool "Intel Baytrail I2C semaphore support" depends on ACPI depends on (I2C_DESIGNWARE_PLATFORM=m && IOSF_MBI) || \ (I2C_DESIGNWARE_PLATFORM=y && IOSF_MBI=y) help This driver enables managed host access to the PMIC I2C bus on select Intel BayTrail platforms using the X-Powers AXP288 PMIC. It allows the host to request uninterrupted access to the PMIC's I2C bus from the platform firmware controlling it. You should say Y if running on a BayTrail system using the AXP288. config I2C_DIGICOLOR tristate "Conexant Digicolor I2C driver" depends on ARCH_DIGICOLOR help Support for Conexant Digicolor SoCs (CX92755) I2C controller driver. This driver can also be built as a module. If so, the module will be called i2c-digicolor. config I2C_EFM32 tristate "EFM32 I2C controller" depends on ARCH_EFM32 || COMPILE_TEST help This driver supports the i2c block found in Energy Micro's EFM32 SoCs. config I2C_EG20T tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C" depends on PCI && (X86_32 || MIPS || COMPILE_TEST) help This driver is for PCH(Platform controller Hub) I2C of EG20T which is an IOH(Input/Output Hub) for x86 embedded processor. This driver can access PCH I2C bus device. This driver also can be used for LAPIS Semiconductor IOH(Input/ Output Hub), ML7213, ML7223 and ML7831. ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is for MP(Media Phone) use and ML7831 IOH is for general purpose use. ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. config I2C_EMEV2 tristate "EMMA Mobile series I2C adapter" depends on HAVE_CLK select I2C_SLAVE help If you say yes to this option, support will be included for the I2C interface on the Renesas Electronics EM/EV family of processors. config I2C_EXYNOS5 tristate "Exynos5 high-speed I2C driver" depends on ARCH_EXYNOS && OF default y help High-speed I2C controller on Exynos5 based Samsung SoCs. config I2C_GPIO tristate "GPIO-based bitbanging I2C" depends on GPIOLIB || COMPILE_TEST select I2C_ALGOBIT help This is a very simple bitbanging I2C driver utilizing the arch-neutral GPIO API to control the SCL and SDA lines. config I2C_GPIO_FAULT_INJECTOR bool "GPIO-based fault injector" depends on I2C_GPIO help This adds some functionality to the i2c-gpio driver which can inject faults to an I2C bus, so another bus master can be stress-tested. This is for debugging. If unsure, say 'no'. config I2C_HIGHLANDER tristate "Highlander FPGA SMBus interface" depends on SH_HIGHLANDER help If you say yes to this option, support will be included for the SMBus interface located in the FPGA on various Highlander boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL FPGAs. This is wholly unrelated to the SoC I2C. This driver can also be built as a module. If so, the module will be called i2c-highlander. config I2C_IBM_IIC tristate "IBM PPC 4xx on-chip I2C interface" depends on 4xx help Say Y here if you want to use IIC peripheral found on embedded IBM PPC 4xx based systems. This driver can also be built as a module. If so, the module will be called i2c-ibm_iic. config I2C_IMG tristate "Imagination Technologies I2C SCB Controller" depends on MIPS || COMPILE_TEST help Say Y here if you want to use the IMG I2C SCB controller, available on the TZ1090 and other IMG SoCs. This driver can also be built as a module. If so, the module will be called i2c-img-scb. config I2C_IMX tristate "IMX I2C interface" depends on ARCH_MXC || ARCH_LAYERSCAPE || COLDFIRE help Say Y here if you want to use the IIC bus controller on the Freescale i.MX/MXC, Layerscape or ColdFire processors. This driver can also be built as a module. If so, the module will be called i2c-imx. config I2C_IMX_LPI2C tristate "IMX Low Power I2C interface" depends on ARCH_MXC || COMPILE_TEST help Say Y here if you want to use the Low Power IIC bus controller on the Freescale i.MX processors. This driver can also be built as a module. If so, the module will be called i2c-imx-lpi2c. config I2C_IOP3XX tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface" depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX help Say Y here if you want to use the IIC bus controller on the Intel IOPx3xx I/O Processors or IXP4xx Network Processors. This driver can also be built as a module. If so, the module will be called i2c-iop3xx. config I2C_JZ4780 tristate "JZ4780 I2C controller interface support" depends on MACH_JZ4780 || COMPILE_TEST help If you say yes to this option, support will be included for the Ingenic JZ4780 I2C controller. If you don't know what to do here, say N. config I2C_KEMPLD tristate "Kontron COM I2C Controller" depends on MFD_KEMPLD help This enables support for the I2C bus interface on some Kontron ETX and COMexpress (ETXexpress) modules. This driver can also be built as a module. If so, the module will be called i2c-kempld. config I2C_LPC2K tristate "I2C bus support for NXP LPC2K/LPC178x/18xx/43xx" depends on OF && (ARCH_LPC18XX || COMPILE_TEST) help This driver supports the I2C interface found several NXP devices including LPC2xxx, LPC178x/7x and LPC18xx/43xx. This driver can also be built as a module. If so, the module will be called i2c-lpc2k. config I2C_MLXBF tristate "Mellanox BlueField I2C controller" depends on MELLANOX_PLATFORM && ARM64 help Enabling this option will add I2C SMBus support for Mellanox BlueField system. This driver can also be built as a module. If so, the module will be called i2c-mlxbf. This driver implements an I2C SMBus host controller and enables both master and slave functions. config I2C_MESON tristate "Amlogic Meson I2C controller" depends on ARCH_MESON || COMPILE_TEST help If you say yes to this option, support will be included for the I2C interface on the Amlogic Meson family of SoCs. config I2C_MPC tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx" depends on PPC help If you say yes to this option, support will be included for the built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx, MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors. This driver can also be built as a module. If so, the module will be called i2c-mpc. config I2C_MT65XX tristate "MediaTek I2C adapter" depends on ARCH_MEDIATEK || COMPILE_TEST help This selects the MediaTek(R) Integrated Inter Circuit bus driver for MT65xx and MT81xx. If you want to use MediaTek(R) I2C interface, say Y or M here. If unsure, say N. config I2C_MV64XXX tristate "Marvell mv64xxx I2C Controller" depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU help If you say yes to this option, support will be included for the built-in I2C interface on the Marvell 64xxx line of host bridges. This driver is also used for Allwinner SoCs I2C controllers. This driver can also be built as a module. If so, the module will be called i2c-mv64xxx. config I2C_MXS tristate "Freescale i.MX28 I2C interface" depends on SOC_IMX28 select STMP_DEVICE help Say Y here if you want to use the I2C bus controller on the Freescale i.MX28 processors. This driver can also be built as a module. If so, the module will be called i2c-mxs. config I2C_NOMADIK tristate "ST-Ericsson Nomadik/Ux500 I2C Controller" depends on ARM_AMBA help If you say yes to this option, support will be included for the I2C interface from ST-Ericsson's Nomadik and Ux500 architectures, as well as the STA2X11 PCIe I/O HUB. config I2C_OCORES tristate "OpenCores I2C Controller" help If you say yes to this option, support will be included for the OpenCores I2C controller. For details see http://www.opencores.org/projects.cgi/web/i2c/overview This driver can also be built as a module. If so, the module will be called i2c-ocores. config I2C_OMAP tristate "OMAP I2C adapter" depends on ARCH_OMAP default y if MACH_OMAP_H3 || MACH_OMAP_OSK help If you say yes to this option, support will be included for the I2C interface on the Texas Instruments OMAP1/2 family of processors. Like OMAP1510/1610/1710/5912 and OMAP242x. For details see http://www.ti.com/omap. config I2C_PASEMI tristate "PA Semi SMBus interface" depends on PPC_PASEMI && PCI help Supports the PA Semi PWRficient on-chip SMBus interfaces. config I2C_PCA_PLATFORM tristate "PCA9564/PCA9665 as platform device" select I2C_ALGOPCA default n help This driver supports a memory mapped Philips PCA9564/PCA9665 parallel bus to I2C bus controller. This driver can also be built as a module. If so, the module will be called i2c-pca-platform. config I2C_PMCMSP tristate "PMC MSP I2C TWI Controller" depends on PMC_MSP help This driver supports the PMC TWI controller on MSP devices. This driver can also be built as module. If so, the module will be called i2c-pmcmsp. config I2C_PNX tristate "I2C bus support for Philips PNX and NXP LPC targets" depends on ARCH_LPC32XX help This driver supports the Philips IP3204 I2C IP block master and/or slave controller This driver can also be built as a module. If so, the module will be called i2c-pnx. config I2C_PUV3 tristate "PKUnity v3 I2C bus support" depends on UNICORE32 && ARCH_PUV3 select I2C_ALGOBIT help This driver supports the I2C IP inside the PKUnity-v3 SoC. This I2C bus controller is under AMBA/AXI bus. This driver can also be built as a module. If so, the module will be called i2c-puv3. config I2C_PXA tristate "Intel PXA2XX I2C adapter" depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) help If you have devices in the PXA I2C bus, say yes to this option. This driver can also be built as a module. If so, the module will be called i2c-pxa. config I2C_PXA_PCI def_bool I2C_PXA && X86_32 && PCI && OF config I2C_PXA_SLAVE bool "Intel PXA2XX I2C Slave comms support" depends on I2C_PXA && !X86_32 help Support I2C slave mode communications on the PXA I2C bus. This is necessary for systems where the PXA may be a target on the I2C bus. config I2C_QUP tristate "Qualcomm QUP based I2C controller" depends on ARCH_QCOM help If you say yes to this option, support will be included for the built-in I2C interface on the Qualcomm SoCs. This driver can also be built as a module. If so, the module will be called i2c-qup. config I2C_RIIC tristate "Renesas RIIC adapter" depends on ARCH_RENESAS || COMPILE_TEST help If you say yes to this option, support will be included for the Renesas RIIC I2C interface. This driver can also be built as a module. If so, the module will be called i2c-riic. config I2C_RK3X tristate "Rockchip RK3xxx I2C adapter" depends on OF && COMMON_CLK help Say Y here to include support for the I2C adapter in Rockchip RK3xxx SoCs. This driver can also be built as a module. If so, the module will be called i2c-rk3x. config HAVE_S3C2410_I2C bool help This will include I2C support for Samsung SoCs. If you want to include I2C support for any machine, kindly select this in the respective Kconfig file. config I2C_S3C2410 tristate "S3C2410 I2C Driver" depends on HAVE_S3C2410_I2C help Say Y here to include support for I2C controller in the Samsung SoCs. config I2C_SH7760 tristate "Renesas SH7760 I2C Controller" depends on CPU_SUBTYPE_SH7760 help This driver supports the 2 I2C interfaces on the Renesas SH7760. This driver can also be built as a module. If so, the module will be called i2c-sh7760. config I2C_SH_MOBILE tristate "SuperH Mobile I2C Controller" depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST help If you say yes to this option, support will be included for the built-in I2C interface on the Renesas SH-Mobile processor. This driver can also be built as a module. If so, the module will be called i2c-sh_mobile. config I2C_SIMTEC tristate "Simtec Generic I2C interface" select I2C_ALGOBIT help If you say yes to this option, support will be included for the Simtec Generic I2C interface. This driver is for the simple I2C bus used on newer Simtec products for general I2C, such as DDC on the Simtec BBD2016A. This driver can also be built as a module. If so, the module will be called i2c-simtec. config I2C_SIRF tristate "CSR SiRFprimaII I2C interface" depends on ARCH_SIRF help If you say yes to this option, support will be included for the CSR SiRFprimaII I2C interface. This driver can also be built as a module. If so, the module will be called i2c-sirf. config I2C_SPRD bool "Spreadtrum I2C interface" depends on I2C=y && ARCH_SPRD help If you say yes to this option, support will be included for the Spreadtrum I2C interface. config I2C_ST tristate "STMicroelectronics SSC I2C support" depends on ARCH_STI help Enable this option to add support for STMicroelectronics SoCs hardware SSC (Synchronous Serial Controller) as an I2C controller. This driver can also be built as module. If so, the module will be called i2c-st. config I2C_STM32F4 tristate "STMicroelectronics STM32F4 I2C support" depends on ARCH_STM32 || COMPILE_TEST help Enable this option to add support for STM32 I2C controller embedded in STM32F4 SoCs. This driver can also be built as module. If so, the module will be called i2c-stm32f4. config I2C_STM32F7 tristate "STMicroelectronics STM32F7 I2C support" depends on ARCH_STM32 || COMPILE_TEST select I2C_SLAVE help Enable this option to add support for STM32 I2C controller embedded in STM32F7 SoCs. This driver can also be built as module. If so, the module will be called i2c-stm32f7. config I2C_STU300 tristate "ST Microelectronics DDC I2C interface" depends on MACH_U300 default y if MACH_U300 help If you say yes to this option, support will be included for the I2C interface from ST Microelectronics simply called "DDC I2C" supporting both I2C and DDC, used in e.g. the U300 series mobile platforms. This driver can also be built as a module. If so, the module will be called i2c-stu300. config I2C_SUN6I_P2WI tristate "Allwinner sun6i internal P2WI controller" depends on RESET_CONTROLLER depends on MACH_SUN6I || COMPILE_TEST help If you say yes to this option, support will be included for the P2WI (Push/Pull 2 Wire Interface) controller embedded in some sunxi SOCs. The P2WI looks like an SMBus controller (which supports only byte accesses), except that it only supports one slave device. This interface is used to connect to specific PMIC devices (like the AXP221). config I2C_SYNQUACER tristate "Socionext SynQuacer I2C controller" depends on ARCH_SYNQUACER || COMPILE_TEST help Say Y here to include support for the I2C controller used in some Fujitsu and Socionext SoCs. This driver can also be built as a module. If so, the module will be called i2c-synquacer. config I2C_TEGRA tristate "NVIDIA Tegra internal I2C controller" depends on ARCH_TEGRA help If you say yes to this option, support will be included for the I2C controller embedded in NVIDIA Tegra SOCs config I2C_TEGRA_BPMP tristate "NVIDIA Tegra BPMP I2C controller" depends on TEGRA_BPMP default y help If you say yes to this option, support will be included for the I2C controller embedded in NVIDIA Tegra SoCs accessed via the BPMP. This I2C driver is a 'virtual' I2C driver. The real driver is part of the BPMP firmware, and this driver merely communicates with that real driver. config I2C_UNIPHIER tristate "UniPhier FIFO-less I2C controller" depends on ARCH_UNIPHIER || COMPILE_TEST help If you say yes to this option, support will be included for the UniPhier FIFO-less I2C interface embedded in PH1-LD4, PH1-sLD8, or older UniPhier SoCs. config I2C_UNIPHIER_F tristate "UniPhier FIFO-builtin I2C controller" depends on ARCH_UNIPHIER || COMPILE_TEST help If you say yes to this option, support will be included for the UniPhier FIFO-builtin I2C interface embedded in PH1-Pro4, PH1-Pro5, or newer UniPhier SoCs. config I2C_VERSATILE tristate "ARM Versatile/Realview I2C bus support" depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST select I2C_ALGOBIT help Say yes if you want to support the I2C serial bus on ARMs Versatile range of platforms. This driver can also be built as a module. If so, the module will be called i2c-versatile. config I2C_WMT tristate "Wondermedia WM8xxx SoC I2C bus support" depends on ARCH_VT8500 help Say yes if you want to support the I2C bus on Wondermedia 8xxx-series SoCs. This driver can also be built as a module. If so, the module will be called i2c-wmt. config I2C_OCTEON tristate "Cavium OCTEON I2C bus support" depends on CAVIUM_OCTEON_SOC help Say yes if you want to support the I2C serial bus on Cavium OCTEON SOC. This driver can also be built as a module. If so, the module will be called i2c-octeon. config I2C_THUNDERX tristate "Cavium ThunderX I2C bus support" depends on 64BIT && PCI && (ARM64 || COMPILE_TEST) select I2C_SMBUS help Say yes if you want to support the I2C serial bus on Cavium ThunderX SOC. This driver can also be built as a module. If so, the module will be called i2c-thunderx. config I2C_XILINX tristate "Xilinx I2C Controller" depends on HAS_IOMEM help If you say yes to this option, support will be included for the Xilinx I2C controller. This driver can also be built as a module. If so, the module will be called xilinx_i2c. config I2C_XLR tristate "Netlogic XLR and Sigma Designs I2C support" depends on CPU_XLR || ARCH_TANGO help This driver enables support for the on-chip I2C interface of the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs. This driver can also be built as a module. If so, the module will be called i2c-xlr. config I2C_XLP9XX tristate "XLP9XX I2C support" depends on CPU_XLP || ARCH_THUNDER2 || COMPILE_TEST help This driver enables support for the on-chip I2C interface of the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors. This driver can also be built as a module. If so, the module will be called i2c-xlp9xx. config I2C_RCAR tristate "Renesas R-Car I2C Controller" depends on ARCH_RENESAS || COMPILE_TEST select I2C_SLAVE help If you say yes to this option, support will be included for the R-Car I2C controller. This driver can also be built as a module. If so, the module will be called i2c-rcar. comment "External I2C/SMBus adapter drivers" config I2C_DIOLAN_U2C tristate "Diolan U2C-12 USB adapter" depends on USB help If you say yes to this option, support will be included for Diolan U2C-12, a USB to I2C interface. This driver can also be built as a module. If so, the module will be called i2c-diolan-u2c. config I2C_DLN2 tristate "Diolan DLN-2 USB I2C adapter" depends on MFD_DLN2 help If you say yes to this option, support will be included for Diolan DLN2, a USB to I2C interface. This driver can also be built as a module. If so, the module will be called i2c-dln2. config I2C_PARPORT tristate "Parallel port adapter" depends on PARPORT select I2C_ALGOBIT select I2C_SMBUS help This supports parallel port I2C adapters such as the ones made by Philips or Velleman, Analog Devices evaluation boards, and more. Basically any adapter using the parallel port as an I2C bus with no extra chipset is supported by this driver, or could be. This driver is a replacement for (and was inspired by) an older driver named i2c-philips-par. The new driver supports more devices, and makes it easier to add support for new devices. An adapter type parameter is now mandatory. Please read the file Documentation/i2c/busses/i2c-parport for details. Another driver exists, named i2c-parport-light, which doesn't depend on the parport driver. This is meant for embedded systems. Don't say Y here if you intend to say Y or M there. This support is also available as a module. If so, the module will be called i2c-parport. config I2C_PARPORT_LIGHT tristate "Parallel port adapter (light)" select I2C_ALGOBIT select I2C_SMBUS help This supports parallel port I2C adapters such as the ones made by Philips or Velleman, Analog Devices evaluation boards, and more. Basically any adapter using the parallel port as an I2C bus with no extra chipset is supported by this driver, or could be. This driver is a light version of i2c-parport. It doesn't depend on the parport driver, and uses direct I/O access instead. This might be preferred on embedded systems where wasting memory for the clean but heavy parport handling is not an option. The drawback is a reduced portability and the impossibility to daisy-chain other parallel port devices. Don't say Y here if you said Y or M to i2c-parport. Saying M to both is possible but both modules should not be loaded at the same time. This support is also available as a module. If so, the module will be called i2c-parport-light. config I2C_ROBOTFUZZ_OSIF tristate "RobotFuzz Open Source InterFace USB adapter" depends on USB help If you say yes to this option, support will be included for the RobotFuzz Open Source InterFace USB to I2C interface. This driver can also be built as a module. If so, the module will be called i2c-osif. config I2C_TAOS_EVM tristate "TAOS evaluation module" depends on TTY select SERIO select SERIO_SERPORT default n help This supports TAOS evaluation modules on serial port. In order to use this driver, you will need the inputattach tool, which is part of the input-utils package. If unsure, say N. This support is also available as a module. If so, the module will be called i2c-taos-evm. config I2C_TINY_USB tristate "Tiny-USB adapter" depends on USB help If you say yes to this option, support will be included for the i2c-tiny-usb, a simple do-it-yourself USB to I2C interface. See http://www.harbaum.org/till/i2c_tiny_usb for hardware details. This driver can also be built as a module. If so, the module will be called i2c-tiny-usb. config I2C_VIPERBOARD tristate "Viperboard I2C master support" depends on MFD_VIPERBOARD && USB help Say yes here to access the I2C part of the Nano River Technologies Viperboard as I2C master. See viperboard API specification and Nano River Tech's viperboard.h for detailed meaning of the module parameters. comment "Other I2C/SMBus bus drivers" config I2C_ACORN tristate "Acorn IOC/IOMD I2C bus support" depends on ARCH_ACORN default y select I2C_ALGOBIT help Say yes if you want to support the I2C bus on Acorn platforms. If you don't know, say Y. config I2C_ELEKTOR tristate "Elektor ISA card" depends on ISA && HAS_IOPORT_MAP && BROKEN_ON_SMP select I2C_ALGOPCF help This supports the PCF8584 ISA bus I2C adapter. Say Y if you own such an adapter. This support is also available as a module. If so, the module will be called i2c-elektor. config I2C_MLXCPLD tristate "Mellanox I2C driver" depends on X86_64 help This exposes the Mellanox platform I2C busses to the linux I2C layer for X86 based systems. Controller is implemented as CPLD logic. This driver can also be built as a module. If so, the module will be called as i2c-mlxcpld. config I2C_PCA_ISA tristate "PCA9564/PCA9665 on an ISA bus" depends on ISA select I2C_ALGOPCA default n help This driver supports ISA boards using the Philips PCA9564/PCA9665 parallel bus to I2C bus controller. This driver can also be built as a module. If so, the module will be called i2c-pca-isa. This device is almost undetectable and using this driver on a system which doesn't have this device will result in long delays when I2C/SMBus chip drivers are loaded (e.g. at boot time). If unsure, say N. config I2C_SIBYTE tristate "SiByte SMBus interface" depends on SIBYTE_SB1xxx_SOC help Supports the SiByte SOC on-chip I2C interfaces (2 channels). config I2C_CROS_EC_TUNNEL tristate "ChromeOS EC tunnel I2C bus" depends on MFD_CROS_EC help If you say yes here you get an I2C bus that will tunnel i2c commands through to the other side of the ChromeOS EC to the i2c bus connected there. This will work whatever the interface used to talk to the EC (SPI, I2C or LPC). config I2C_XGENE_SLIMPRO tristate "APM X-Gene SoC I2C SLIMpro devices support" depends on ARCH_XGENE && MAILBOX help Enable I2C bus access using the APM X-Gene SoC SLIMpro co-processor. The I2C device access the I2C bus via the X-Gene to SLIMpro (On chip coprocessor) mailbox mechanism. If unsure, say N. config SCx200_ACB tristate "Geode ACCESS.bus support" depends on X86_32 && PCI help Enable the use of the ACCESS.bus controllers on the Geode SCx200 and SC1100 processors and the CS5535 and CS5536 Geode companion devices. If you don't know what to do here, say N. This support is also available as a module. If so, the module will be called scx200_acb. config I2C_OPAL tristate "IBM OPAL I2C driver" depends on PPC_POWERNV default y help This exposes the PowerNV platform i2c busses to the linux i2c layer, the driver is based on the OPAL interfaces. This driver can also be built as a module. If so, the module will be called as i2c-opal. config I2C_ZX2967 tristate "ZTE ZX2967 I2C support" depends on ARCH_ZX default y help Selecting this option will add ZX2967 I2C driver. This driver can also be built as a module. If so, the module will be called i2c-zx2967. endmenu
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