CONFIG_SPI_NRFX_RAM_BUFFER_SIZE=8
CONFIG_SPI_3=y
CONFIG_SPI_3_NRF_SPIM=y
CONFIG_SPI_3_NRF_RX_DELAY=1

CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_3"
CONFIG_SPI_LOOPBACK_CS_GPIO=y
CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_DRV_NAME="GPIO_0"
CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_PIN=28