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tests: drivers: uart stm32 run uart_async api on f746 nucleo

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This sets the dts of dma for using the uart 6 asynch api.
The stm32f746 has a dma V1 with request 5 for Tx/Rx usart6
The Tx&Rx pins (PG14, PG9) of the usart6 are connected
on the nucleo_f746zg board to pass the test
The CONFIG_DCACHE=n must also be set to disable Dcache.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2021-06-09 09:43:28 +02:00 • committed by Marti Bolivar
commit 9488727292
3 changed files with 15 additions and 1 deletions
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1
tests/drivers/uart/uart_async_api/boards/nucleo_f746zg.conf Normal file
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@ -0,0 +1 @@
CONFIG_DCACHE=n

12
tests/drivers/uart/uart_async_api/boards/nucleo_f746zg.overlay Normal file
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@ -0,0 +1,12 @@
/* SPDX-License-Identifier: Apache-2.0 */
&usart6 {
dmas = <&dma2 7 5 0x28440 0x03>,
<&dma2 2 5 0x28480 0x03>;
dma-names = "tx", "rx";
status = "okay";
};
&dma2 {
status = "okay";
};

3
tests/drivers/uart/uart_async_api/src/test_uart.h
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@ -47,7 +47,8 @@
#define UART_DEVICE_NAME DT_LABEL(DT_NODELABEL(uart4))
#elif defined(CONFIG_BOARD_NUCLEO_F429ZI) || \
defined(CONFIG_BOARD_NUCLEO_F207ZG) || \
defined(CONFIG_BOARD_NUCLEO_F767ZI)
defined(CONFIG_BOARD_NUCLEO_F767ZI) || \
defined(CONFIG_BOARD_NUCLEO_F746ZG)
#define UART_DEVICE_NAME DT_LABEL(DT_NODELABEL(usart6))
#elif defined(CONFIG_BOARD_FRDM_K82F)
#define UART_DEVICE_NAME DT_LABEL(DT_NODELABEL(lpuart0))