iio: adc: ad7944: add support for SPI offload

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Add support for SPI offload to the ad7944 driver. This allows reading
data at the max sample rate of 2.5 MSPS.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250207-dlech-mainline-spi-engine-offload-2-v8-11-e48a489be48c@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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David Lechner 2025-02-07 14:09:08 -06:00 • committed by Jonathan Cameron

parent 503d20ed8c

commit cbc986cda5

2 changed files with 277 additions and 16 deletions

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2

drivers/iio/adc/Kconfig

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293

drivers/iio/adc/ad7944.c

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