root {
    spi_test {
        module = "spi_test";
        match_attr = "SPI_TEST";
        bus = 255;
        cs = 0;
        len = 8;
        wbuf = [0xa1, 0xb2, 0xc3, 0xd4, 0xe5, 0xf6, 0x78, 0x90];
    }
    spi_virtual {
        module = "virtual_spi";
        match_attr = "virtual_spi";
        transferMode = 0;
        busNum = 255;
        bitsPerWord = 8;
        mode = 19;
        maxSpeedHz = 3000000;
        speed = 2000000;
        fifoSize = 256;
        numCs = 1;
        waterline = 8;
    }
}