tests: drivers: uart async test on the stm32l152re nucleo

Add configuration for testing the usart3 through the dma1
on the nucleo_l152re target.This test requires the Tx pin
to be connected to the RX pin on the board.
Pin definition is added for this usart instance.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2021-06-21 11:27:48 +02:00 committed by Carles Cufí
commit 3aa14676db
2 changed files with 12 additions and 1 deletions

View file

@ -0,0 +1,10 @@
/* SPDX-License-Identifier: Apache-2.0 */
&usart3 {
pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;
current-speed = <115200>;
dmas = <&dma1 2 0x20440>,
<&dma1 3 0x20480>;
dma-names = "tx", "rx";
status = "okay";
};

View file

@ -32,7 +32,8 @@
#elif defined(CONFIG_BOARD_NUCLEO_G071RB) || \
defined(CONFIG_BOARD_NUCLEO_G474RE)
#define UART_DEVICE_NAME DT_LABEL(DT_NODELABEL(usart1))
#elif defined(CONFIG_BOARD_NUCLEO_L4R5ZI)
#elif defined(CONFIG_BOARD_NUCLEO_L4R5ZI) || \
defined(CONFIG_BOARD_NUCLEO_L152RE)
#define UART_DEVICE_NAME DT_LABEL(DT_NODELABEL(usart3))
#elif defined(CONFIG_BOARD_DISCO_L475_IOT1)
#define UART_DEVICE_NAME DT_LABEL(DT_NODELABEL(uart4))