iio: add child nodes support in iio backend framework

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Add an API to support IIO generic channels binding:
http://devicetree.org/schemas/iio/adc/adc.yaml#
This new API is needed, as generic channel DT node isn't populated as a
device.
Add devm_iio_backend_fwnode_get() to allow an IIO device backend
consumer to reference backend phandles in its child nodes.

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240730084640.1307938-4-olivier.moysan@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Olivier Moysan 2024-07-30 10:46:33 +02:00 • committed by Jonathan Cameron

parent 2530d7d44c

commit c464cc610f

2 changed files with 44 additions and 16 deletions

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57

drivers/iio/industrialio-backend.c

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3

include/linux/iio/backend.h

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