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test: driver: uart: add silabs slwrb4180a overlay for async usart test

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Add overlay for slwrb4180a board to test async silabs usart driver with
dma.

Signed-off-by: Martin Hoff <martin.hoff@silabs.com>
This commit is contained in:
Martin Hoff 2025-02-04 15:34:36 +01:00 • committed by Benjamin Cabé
commit e783f69ebf
1 changed files with 62 additions and 0 deletions
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tests/drivers/uart/uart_async_api/boards/slwrb4180a.overlay Normal file
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/*
* Copyright (c) 2025, Silicon Laboratories Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
/*
* Need to connect PC0 and PC1 of the Expension Pin header
*/
/ {
chosen {
zephyr,console = &usart1;
zephyr,shell-uart = &usart1;
zephyr,uart-pipe = &usart1;
};
};
&pinctrl{
usart0_default: usart0_default {
group0 {
pins = <USART0_TX_PC0>;
drive-push-pull;
output-high;
};
group1 {
pins = <USART0_RX_PC1>;
input-enable;
silabs,input-filter;
};
};
usart1_default: usart1_default {
group0 {
pins = <USART1_TX_PA5>;
drive-push-pull;
output-high;
};
group1 {
pins = <USART1_RX_PA6>;
input-enable;
silabs,input-filter;
};
};
};
dut: &usart0 {
dmas = <&dma0 DMA_REQSEL_USART0TXBL>,
<&dma0 DMA_REQSEL_USART0RXDATAV>;
dma-names = "tx", "rx";
pinctrl-0 = <&usart0_default>;
pinctrl-names = "default";
};
&usart1 {
current-speed = <115200>;
pinctrl-0 = <&usart1_default>;
pinctrl-names = "default";
status = "okay";
};
&dma0 {
status = "okay";
};