1/* SPDX-License-Identifier: Apache-2.0 */ 2 3/* 4 * Pins P0.4 and P0.5 must be connected to each other to loopback RX/TX. 5 */ 6 7&pinctrl { 8 uart1_default_alt: uart1_default_alt { 9 group1 { 10 psels = <NRF_PSEL(UART_TX, 0, 4)>, 11 <NRF_PSEL(UART_RX, 0, 5)>; 12 }; 13 }; 14 15 uart1_sleep_alt: uart1_sleep_alt { 16 group1 { 17 psels = <NRF_PSEL(UART_TX, 0, 4)>, 18 <NRF_PSEL(UART_RX, 0, 5)>; 19 low-power-enable; 20 }; 21 }; 22}; 23 24dut: &uart1 { 25 compatible = "nordic,nrf-uarte"; 26 current-speed = <115200>; 27 status = "okay"; 28 pinctrl-0 = <&uart1_default_alt>; 29 pinctrl-1 = <&uart1_sleep_alt>; 30 pinctrl-names = "default", "sleep"; 31}; 32