1#include <zephyr/dt-bindings/gpio/gpio.h> 2#include <zephyr/dt-bindings/gpio/arduino-header-r3.h> 3 4/ { 5 zephyr,user { 6 /* Connect your SPI CS pin to the D8 pin to run the test */ 7 cs-loopback-gpios = <&arduino_header>, 8 <ARDUINO_HEADER_R3_D8>, 9 <(GPIO_ACTIVE_LOW | GPIO_PUSH_PULL | GPIO_PULL_UP)>; 10 }; 11}; 12