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https://how-to.fandom.com/wiki/How_to_configure_the_Linux_kernel/drivers/i2c
Howto configure the Linux kernel / drivers / i2c Character device configuration Option: I2C Kernel Versions: 2.6.15.6 ... (on/off/module) I2C support I2C (pronounce: I-square-C) is a slow serial bus protocol used in many micro controller applications and developed by Philips. SMBus, or System Management Bus is a subset of the I2C protocol. More information is contained in the directory <file ...
https://www.kernel.org/doc/html/v4.14/driver-api/i2c.html
I 2 C and SMBus Subsystem¶ I 2 C (or without fancy typography, “I2C”) is an acronym for the “Inter-IC” bus, a simple bus protocol which is widely used where low data rate communications suffice. Since it’s also a licensed trademark, some vendors use another name (such as …
https://www.kernel.org/doc/html/latest/i2c/busses/index.html
Kernel driver i2c-diolan-u2c; Kernel driver i2c-i801; Kernel driver i2c-ismt; Driver i2c-mlxcpld; Kernel driver i2c-nforce2; Kernel driver i2c-nvidia-gpu; Kernel driver i2c-ocores; Kernel driver i2c-parport-light; Kernel driver i2c-parport; Kernel driver i2c-pca-isa; Kernel driver i2c-piix4; Kernel driver i2c-sis5595; Kernel driver i2c-sis630 ...
https://www.kernel.org/doc/html/latest/i2c/slave-interface.html
Linux I2C slave interface description¶. by Wolfram Sang <wsa @ sang-engineering. com> in 2014-15 Linux can also be an I2C slave if the I2C controller in use has slave functionality. For that to work, one needs slave support in the bus driver plus a hardware independent software backend providing the actual functionality.
https://www.kernel.org/doc/html/latest/i2c/smbus-protocol.html
This is implemented the following way in the Linux kernel: I2C bus drivers which support SMBus alert should call i2c_setup_smbus_alert() to setup SMBus alert support. I2C drivers for devices which can trigger SMBus alerts should implement the optional alert() callback.
https://www.kernel.org/doc/html/latest/i2c/gpio-fault-injection.html
The GPIO fault injection driver can create special states on the bus which the other I2C bus master driver should handle gracefully. Once the Kconfig option I2C_GPIO_FAULT_INJECTOR is enabled, there will be an ‘i2c-fault-injector’ subdirectory in the Kernel debugfs filesystem, usually mounted at /sys/kernel/debug.
https://www.linuxjournal.com/article/7136
Dec 01, 2003 · The 2.4 kernel contains a bit of I2C support, mainly for some video drivers. With the 2.6 kernel, a large portion of the I2C code has made it into the main kernel tree, thanks to the effort of a number of kernel developers who changed the interfaces to be more acceptable to the kernel …
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