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92ed1a76ca
Add an i2c mux driver providing access to i2c bus segments using a hardware MUX sitting on a master bus and controlled through gpio pins. E.G. something like: ---------- ---------- Bus segment 1 - - - - - | | SCL/SDA | |-------------- | | | |------------| | | | | | Bus segment 2 | | | Linux | GPIO 1..N | MUX |--------------- Devices | |------------| | | | | | | | Bus segment M | | | |---------------| | ---------- ---------- - - - - - SCL/SDA of the master I2C bus is multiplexed to bus segment 1..M according to the settings of the GPIO pins 1..N. Signed-off-by: Peter Korsgaard <peter.korsgaard@barco.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> |
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.. | ||
busses | ||
muxes | ||
dev-interface | ||
fault-codes | ||
functionality | ||
i2c-protocol | ||
i2c-stub | ||
instantiating-devices | ||
old-module-parameters | ||
smbus-protocol | ||
summary | ||
ten-bit-addresses | ||
upgrading-clients | ||
writing-clients |