1/* SPDX-License-Identifier: Apache-2.0 */ 2 3&usart4 { 4 /* available on ST morpho connector CN10 pins 4 and 22 */ 5 pinctrl-0 = <&usart4_tx_pc1 &usart4_rx_pc0>; 6 pinctrl-names = "default"; 7 current-speed = <115200>; 8 status = "okay"; 9}; 10 11 12dut: &usart4 { 13 dmas = <&dmamux1 5 57 STM32_DMA_PERIPH_TX>, 14 <&dmamux1 6 56 STM32_DMA_PERIPH_RX>; 15 dma-names = "tx", "rx"; 16}; 17 18&dma1 { 19 status = "okay"; 20}; 21 22&dmamux1 { 23 status = "okay"; 24}; 25