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The MAX34408/MAX34409 are two- and four-channel current monitors that are
configured and monitored with a standard I2C/SMBus serial interface. Each
unidirectional current sensor offers precision high-side operation with a
low full-scale sense voltage. The devices automatically sequence through
two or four channels and collect the current-sense samples and average them
to reduce the effect of impulse noise. The raw ADC samples are compared to
user-programmable digital thresholds to indicate overcurrent conditions.
Overcurrent conditions trigger a hardware output to provide an immediate
indication to shut down any necessary external circuitry.
Add as ADC driver which only supports current monitoring for now.
Link: https://www.analog.com/media/en/technical-documentation/data-sheets/MAX34408-MAX34409.pdf
Signed-off-by: Ivan Mikhaylov <fr0st61te@gmail.com>
Link: https://lore.kernel.org/r/20231014211254.16719-3-fr0st61te@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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