root {
    module = "i2c";
    i2c_config {
        i2c_controller_tester {
            match_attr = "I2C_TEST";
            bus_num  = 2;
            dev_addr = 0x0;
            reg_addr = 0;
            reg_len = 1;
            buf_size = 7;
        }
    }
}