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samples: boards: st: uart: circular_dma: update circular dma sample

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Add the nucleo_wba55cg board, which implements continuous transfer
with GPDMA and a linked list.

Signed-off-by: Fabrice DJIATSA <fabrice.djiatsa-ext@st.com>
This commit is contained in:
Fabrice DJIATSA 2025-01-15 13:45:29 +01:00 committed by Benjamin Cabé
parent 7b379f47fa
commit 2931ad70de
1 changed files with 16 additions and 0 deletions
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samples/boards/st/uart/circular_dma/boards/nucleo_wba55cg.overlay Normal file
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/*
* Copyright (c) 2025 STMicroelectronics
*
* SPDX-License-Identifier: Apache-2.0
*/
&usart1 {
dmas = <&gpdma1 0 12 (STM32_DMA_PERIPH_TX)
&gpdma1 1 11 (STM32_DMA_MODE_CYCLIC | STM32_DMA_PERIPH_RX | STM32_DMA_MEM_8BITS)>;
dma-names = "tx", "rx";
fifo-enable;
};
&gpdma1 {
status = "okay";
};