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boards/arm: stm32l562e_dk: Enabling usart3

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This commit enables usart3 channel on stm32l562e_dk platform.
This would also be used to test usart in dma mode with
tests/drivers/uart/uart_async_api.

Signed-off-by: Krishna Mohan Dani <krishnamohan.d@hcl.com>
This commit is contained in:
Krishna Mohan Dani 2021-07-09 01:30:26 +05:30 • committed by Anas Nashif
commit 83f1420c72
3 changed files with 8 additions and 0 deletions
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1
boards/arm/stm32l562e_dk/doc/index.rst
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@ -197,6 +197,7 @@ Default Zephyr Peripheral Mapping:
----------------------------------
- USART_1 TX/RX : PA9/PA10
- USART_3 TX/RX : PC10/PC11
- I2C_1 SCL/SDA : PB6/PB7
- SPI_1 SCK/MISO/MOSI : PG2/PG3/PG4 (BT SPI bus)
- SPI_3 NSS/SCK/MISO/MOSI : PE0/PG9/PB4/PB5 (Arduino SPI)

1
boards/arm/stm32l562e_dk/stm32l562e_dk.yaml
View file

@ -16,6 +16,7 @@ supported:
- adc
- spi
- dma
- usart
- arduino_spi
ram: 192
flash: 512

6
boards/arm/stm32l562e_dk/stm32l562e_dk_common.dtsi
View file

@ -84,6 +84,12 @@
status = "okay";
};
&usart3 {
pinctrl-0 = <&usart3_tx_pc10 &usart3_rx_pc11>;
current-speed = <115200>;
status = "okay";
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb7>;
status = "okay";