This sets the dts of dma for using the uart asynch api. The stm32l475 has a dmamux with request 2 for Tx/Rx usart4 The Tx&Rx pins (PA0, PA1) of the usart4 are connected on the disco_l475_iot1 board to pass the test. Signed-off-by: Francois Ramu <francois.ramu@st.com> |
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| .. | ||
| uart_async_api | ||
| uart_basic_api | ||
| uart_mix_fifo_poll | ||