1CONFIG_SPI_1_NRF_ORC=0x00 2 3CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1" 4CONFIG_SPI_LOOPBACK_CS_GPIO=y 5CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_DRV_NAME="GPIO_0" 6CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_PIN=28 7