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- # SPDX-License-Identifier: GPL-2.0-only
- #
- # 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_AMD_MP2
- tristate "AMD MP2 PCIe"
- depends on PCI && ACPI
- help
- If you say yes to this option, support will be included for the AMD
- MP2 PCIe I2C adapter.
- This driver can also be built as modules. If so, the modules will
- be called i2c-amd-mp2-pci and i2c-amd-mp2-plat.
- 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 P2SB if X86
- 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)
- Avoton (SOC)
- Wellsburg (PCH)
- Coleto Creek (PCH)
- Wildcat Point (PCH)
- BayTrail (SOC)
- Braswell (SOC)
- Sunrise Point (PCH)
- Kaby Lake (PCH)
- DNV (SOC)
- Broxton (SOC)
- Lewisburg (PCH)
- Gemini Lake (SOC)
- Cannon Lake (PCH)
- Cedar Fork (PCH)
- Ice Lake (PCH)
- Comet Lake (PCH)
- Elkhart Lake (PCH)
- Tiger Lake (PCH)
- Jasper Lake (SOC)
- 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_INTEL_SOCFPGA || NIOS2 || COMPILE_TEST
- depends on 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 || COMPILE_TEST
- 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_AT91_SLAVE_EXPERIMENTAL
- tristate "Microchip AT91 I2C experimental slave mode"
- depends on I2C_AT91
- select I2C_SLAVE
- help
- If you say yes to this option, support for the slave mode will be
- added. Caution: do not use it for production. This feature has not
- been tested in a heavy way, help wanted.
- There are known bugs:
- - It can hang, on a SAMA5D4, after several transfers.
- - There are some mismtaches with a SAMA5D4 as slave and a SAMA5D2 as
- master.
- 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
- select I2C_SLAVE
- 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 || ARCH_BRCMSTB || COMPILE_TEST
- depends on COMMON_CLK
- 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
- select I2C_SLAVE
- 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 || COMPILE_TEST
- default y if ARCH_BCM_MOBILE
- 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/DSL I2C controller"
- depends on ARCH_BCM2835 || ARCH_BCMBCA || 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/DSL SoCs.
- If you do not need I2C interface, say N.
- config I2C_CADENCE
- tristate "Cadence I2C Controller"
- depends on ARCH_ZYNQ || ARM64 || XTENSA || COMPILE_TEST
- 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 || COMPILE_TEST
- 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"
- depends on I2C_DESIGNWARE_CORE
- 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_AMDPSP
- bool "AMD PSP I2C semaphore support"
- depends on X86_MSR
- depends on ACPI
- depends on I2C_DESIGNWARE_PLATFORM
- help
- This driver enables managed host access to the selected I2C bus shared
- between AMD CPU and AMD PSP.
- You should say Y if running on an AMD system equipped with the PSP.
- config I2C_DESIGNWARE_BAYTRAIL
- bool "Intel Baytrail I2C semaphore support"
- depends on ACPI
- depends on I2C_DESIGNWARE_PLATFORM
- 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_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_DIGICOLOR
- tristate "Conexant Digicolor I2C driver"
- depends on ARCH_DIGICOLOR || COMPILE_TEST
- 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_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 "Exynos high-speed I2C driver"
- depends on OF
- depends on ARCH_EXYNOS || COMPILE_TEST
- default y if ARCH_EXYNOS
- help
- High-speed I2C controller on Samsung Exynos5 and newer Samsung SoCs:
- Exynos5250, Exynos5260, Exynos5410, Exynos542x, Exynos5800,
- Exynos5433, Exynos7, Exynos850 and ExynosAutoV9.
- Choose Y here only if you build for such Samsung SoC.
- 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 || COMPILE_TEST
- 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_HISI
- tristate "HiSilicon I2C controller"
- depends on (ARM64 && ACPI) || COMPILE_TEST
- help
- Say Y here if you want to have Hisilicon I2C controller support
- available on the Kunpeng Server.
- This driver can also be built as a module. If so, the module
- will be called i2c-hisi.
- 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 || COMPILE_TEST
- select I2C_SLAVE
- 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_IXP4XX || COMPILE_TEST
- 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 MIPS || 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
- depends on ACPI
- select I2C_SLAVE
- 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
- depends on COMMON_CLK
- 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_MICROCHIP_CORE
- tristate "Microchip FPGA I2C controller"
- depends on SOC_MICROCHIP_POLARFIRE || COMPILE_TEST
- depends on OF
- help
- If you say yes to this option, support will be included for the
- I2C interface on Microchip FPGAs.
- This driver can also be built as a module. If so, the module will be
- called i2c-microchip-core.
- 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_MT7621
- tristate "MT7621/MT7628 I2C Controller"
- depends on (RALINK && (SOC_MT7620 || SOC_MT7621)) || COMPILE_TEST
- help
- Say Y here to include support for I2C controller in the
- MediaTek MT7621/MT7628 SoCs.
- config I2C_MV64XXX
- tristate "Marvell mv64xxx I2C Controller"
- depends on PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
- 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 || COMPILE_TEST
- 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_NPCM
- tristate "Nuvoton I2C Controller"
- depends on ARCH_NPCM || COMPILE_TEST
- help
- If you say yes to this option, support will be included for the
- Nuvoton I2C controller, which is available on the NPCM BMC
- controllers.
- Driver can also support slave mode (select I2C_SLAVE).
- 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 || ARCH_K3 || COMPILE_TEST
- 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_OWL
- tristate "Actions Semiconductor Owl I2C Controller"
- depends on ARCH_ACTIONS || COMPILE_TEST
- help
- Say Y here if you want to use the I2C bus controller on
- the Actions Semiconductor Owl SoC's.
- 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_APPLE
- tristate "Apple SMBus platform driver"
- depends on ARCH_APPLE || COMPILE_TEST
- default ARCH_APPLE
- help
- Say Y here if you want to use the I2C controller present on Apple
- Silicon chips such as the M1.
- This driver can also be built as a module. If so, the module
- will be called i2c-apple.
- config I2C_PCA_PLATFORM
- tristate "PCA9564/PCA9665 as platform device"
- select I2C_ALGOPCA
- 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_PNX
- tristate "I2C bus support for Philips PNX and NXP LPC targets"
- depends on ARCH_LPC32XX || COMPILE_TEST
- 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_PXA
- tristate "Intel PXA2XX I2C adapter"
- depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
- 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
- select I2C_SLAVE
- 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_QCOM_CCI
- tristate "Qualcomm Camera Control Interface"
- depends on ARCH_QCOM || COMPILE_TEST
- help
- If you say yes to this option, support will be included for the
- built-in camera control interface on the Qualcomm SoCs.
- This driver can also be built as a module. If so, the module
- will be called i2c-qcom-cci.
- config I2C_QCOM_GENI
- tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
- depends on ARCH_QCOM || COMPILE_TEST
- depends on QCOM_GENI_SE
- help
- This driver supports GENI serial engine based I2C controller in
- master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
- yes to this option, support will be included for the built-in I2C
- interface on the Qualcomm Technologies Inc.'s SoCs.
- This driver can also be built as a module. If so, the module
- will be called i2c-qcom-geni.
- config I2C_MSM_GENI
- tristate "Qualcomm Technologies Inc.'s GENI based I2C controller"
- depends on ARCH_QCOM || COMPILE_TEST
- depends on QCOM_GENI_SE
- default n
- help
- This driver supports GENI serial engine based I2C controller in
- master mode on the Qualcomm Technologies Inc.'s SoCs. If you say
- yes to this option, support will be included for the built-in I2C
- interface on the Qualcomm Technologies Inc.'s SoCs.
- This driver can also be built as a module. If so, the module
- will be called i2c-msm-geni.
- config I2C_QUP
- tristate "Qualcomm QUP based I2C controller"
- depends on ARCH_QCOM || COMPILE_TEST
- 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 I2C_RZV2M
- tristate "Renesas RZ/V2M adapter"
- depends on ARCH_RENESAS || COMPILE_TEST
- help
- If you say yes to this option, support will be included for the
- Renesas RZ/V2M I2C interface.
- This driver can also be built as a module. If so, the module
- will be called i2c-rzv2m.
- config I2C_S3C2410
- tristate "S3C/Exynos I2C Driver"
- depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || \
- ARCH_S5PV210 || COMPILE_TEST
- help
- Say Y here to include support for I2C controller in the
- Samsung SoCs (S3C, S5Pv210, Exynos).
- 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_SPRD
- tristate "Spreadtrum I2C interface"
- depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
- depends on COMMON_CLK
- 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 || COMPILE_TEST
- 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
- select I2C_SMBUS
- 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_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 || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
- # COMPILE_TEST needs architectures with readsX()/writesX() primitives
- 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 || COMPILE_TEST
- default y if TEGRA_BPMP
- 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 || COMPILE_TEST
- 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_XLP9XX
- tristate "Cavium ThunderX2 I2C support"
- depends on ARCH_THUNDER2 || COMPILE_TEST
- help
- This driver enables support for the on-chip I2C interface of
- the Cavium ThunderX2 processors. (Originally on Netlogic XLP SoCs.)
- 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
- select I2C_SMBUS
- select RESET_CONTROLLER if ARCH_RCAR_GEN3
- 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_CP2615
- tristate "Silicon Labs CP2615 USB sound card and I2C adapter"
- depends on USB
- help
- If you say yes to this option, support will be included for Silicon
- Labs CP2615's I2C interface.
- This driver can also be built as a module. If so, the module
- will be called i2c-cp2615.
- 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. Please
- read the file Documentation/i2c/busses/i2c-parport.rst for details.
- This support is also available as a module. If so, the module
- will be called i2c-parport.
- config I2C_PCI1XXXX
- tristate "PCI1XXXX I2C Host Adapter"
- depends on PCI
- help
- If you say yes to this option, support will be included for
- Microchip PCI1XXXX's I2C interface.
- This driver can also be built as a module. If so, the module will
- be called i2c-mchp-pci1xxxx.
- 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
- 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_ICY
- tristate "ICY Zorro card"
- depends on ZORRO
- select I2C_ALGOPCF
- help
- This supports the PCF8584 Zorro bus I2C adapter, known as ICY.
- Say Y if you own such an adapter.
- This support is also available as a module. If so, the module
- will be called i2c-icy.
- If you have a 2019 edition board with an LTC2990 sensor at address
- 0x4c, loading the module 'ltc2990' is sufficient to enable it.
- config I2C_MLXCPLD
- tristate "Mellanox I2C driver"
- depends on X86_64 || COMPILE_TEST
- 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
- 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 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_FSI
- tristate "FSI I2C driver"
- depends on FSI
- help
- Driver for FSI bus attached I2C masters. These are I2C masters that
- are connected to the system over an FSI bus, instead of the more
- common PCI or MMIO interface.
- This driver can also be built as a module. If so, the module will be
- called as i2c-fsi.
- config I2C_VIRTIO
- tristate "Virtio I2C Adapter"
- select VIRTIO
- help
- If you say yes to this option, support will be included for the virtio
- I2C adapter driver. The hardware can be emulated by any device model
- software according to the virtio protocol.
- This driver can also be built as a module. If so, the module
- will be called i2c-virtio.
- endmenu
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