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samples: drivers: uart: async_api: add stm32 platform overlays
Configure and attach DMA for each platform's USART to enable asynchronous UART communication. Signed-off-by: Fabrice DJIATSA <[email protected]>
1 parent 7391cfa commit 51aba7f

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‎samples/drivers/uart/async_api/boards/b_u585i_iot02a.overlay‎

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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dut: &usart1 {
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dmas = <&gpdma1 0 25 STM32_DMA_PERIPH_TX>,
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<&gpdma1 1 24 STM32_DMA_PERIPH_RX>;
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dma-names = "tx", "rx";
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};

‎samples/drivers/uart/async_api/boards/disco_l475_iot1.overlay‎

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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dut: &usart1 {
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dmas = <&dma2 6 2 (STM32_DMA_PERIPH_TX | STM32_DMA_PRIORITY_HIGH)>,
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<&dma2 7 2 (STM32_DMA_PERIPH_RX | STM32_DMA_PRIORITY_HIGH)>;
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dma-names = "tx", "rx";
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};
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&dma2 {
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status = "okay";
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};

‎samples/drivers/uart/async_api/boards/nucleo_c071rb.overlay‎

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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&usart2 {
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dmas = <&dmamux1 3 53 STM32_DMA_PERIPH_TX>,
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<&dmamux1 4 52 STM32_DMA_PERIPH_RX>;
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dma-names = "tx", "rx";
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};

‎samples/drivers/uart/async_api/boards/nucleo_f091rc.overlay‎

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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dut: &usart2 {
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dmas = <&dma1 2 (STM32_DMA_PERIPH_TX | STM32_DMA_PRIORITY_HIGH)>,
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<&dma1 1 (STM32_DMA_PERIPH_RX | STM32_DMA_PRIORITY_HIGH)>;
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dma-names = "tx", "rx";
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};

‎samples/drivers/uart/async_api/boards/nucleo_f103rb.overlay‎

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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dut: &usart1 {
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dmas = <&dma1 4 (STM32_DMA_PERIPH_TX | STM32_DMA_PRIORITY_HIGH)>,
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<&dma1 5 (STM32_DMA_PERIPH_RX | STM32_DMA_PRIORITY_HIGH)>;
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dma-names = "tx", "rx";
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};

‎samples/drivers/uart/async_api/boards/nucleo_f207zg.overlay‎

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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dut: &usart3 {
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dmas = <&dma1 3 4 STM32_DMA_PERIPH_TX STM32_DMA_FIFO_FULL>,
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<&dma1 1 4 STM32_DMA_PERIPH_RX STM32_DMA_FIFO_FULL>;
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dma-names = "tx", "rx";
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};
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&dma1 {
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status = "okay";
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};

‎samples/drivers/uart/async_api/boards/nucleo_f429zi.overlay‎

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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dut: &usart3 {
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dmas = <&dma1 3 4 STM32_DMA_PERIPH_TX STM32_DMA_FIFO_FULL>,
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<&dma1 1 4 STM32_DMA_PERIPH_RX STM32_DMA_FIFO_FULL>;
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dma-names = "tx", "rx";
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};
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&dma1 {
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status = "okay";
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};

‎samples/drivers/uart/async_api/boards/nucleo_f746zg.overlay‎

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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dut: &usart3 {
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dmas = <&dma1 3 4 STM32_DMA_PERIPH_TX STM32_DMA_FIFO_FULL>,
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<&dma1 1 4 STM32_DMA_PERIPH_RX STM32_DMA_FIFO_FULL>;
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dma-names = "tx", "rx";
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};
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&dma1 {
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status = "okay";
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};

‎samples/drivers/uart/async_api/boards/nucleo_g071rb.overlay‎

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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&usart2 {
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dmas = <&dmamux1 5 53 STM32_DMA_PERIPH_TX>,
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<&dmamux1 4 52 STM32_DMA_PERIPH_RX>;
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dma-names = "tx", "rx";
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};
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&dma1 {
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status = "okay";
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};
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&dmamux1 {
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status = "okay";
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};

‎samples/drivers/uart/async_api/boards/nucleo_g474re.overlay‎

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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dut: &lpuart1 {
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dmas = <&dmamux1 2 35 STM32_DMA_PERIPH_TX>,
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<&dmamux1 1 34 STM32_DMA_PERIPH_RX>;
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dma-names = "tx", "rx";
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};
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&dma1 {
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status = "okay";
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};
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&dmamux1 {
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status = "okay";
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};

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