efa0e4b17b
This commit adds the asynchronous UART API testing support on the SAM D21 Xplained Pro board. The SERCOM1 module is used as the secondary loop-back UART, which is required to run this test. Note that no external UART loop-back connection is necessary to run this test, because the SERCOM1 UART TX and RX pads are configured to be internally connected. Signed-off-by: Stephanos Ioannidis <root@stephanos.io>
12 lines
239 B
Plaintext
12 lines
239 B
Plaintext
/* SPDX-License-Identifier: Apache-2.0 */
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&sercom1 {
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/* Internally loop-back TX and RX on PAD0 */
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rxpo = <0>;
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txpo = <0>;
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/* Configure DMA channels for async operation */
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dmas = <&dmac 0 3>, <&dmac 1 4>;
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dma-names = "rx", "tx";
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};
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