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drivers: dma: Add SAM0 DMAC driver
This adds support for the SAM0 DMA Controller (DMAC). Chained transfer are not currently implemented. Tested with tests/drivers/dma/loop_transfer and custom modifications to that test using three parallel reloading channels. Also tested with a trivial program that did memory->serial. Signed-off-by: Michael Hope <firstname.lastname@example.org> [email@example.com: Rebased and updated commit message] Signed-off-by: Derek Hageman <firstname.lastname@example.org>
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|# Kconfig - Atmel SAM DMAC configuration options|
|# Copyright (c) 2018 Google LLC.|
|# SPDX-License-Identifier: Apache-2.0|
|bool "Atmel SAM0 series DMAC driver"|
|depends on SOC_FAMILY_SAM0|
|DMA driver for Atmel SAM0 series MCUs.|
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