CONFIG_SPI_1=y
CONFIG_SPI_1_NRF_SPI=y
CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1"
CONFIG_SPI_LOOPBACK_CS_GPIO=y
CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_DRV_NAME="GPIO_0"
CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_PIN=28