I2c, spi on BPI-W2

Banana Pi Router design BPI-W2(RTD1296)
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Any bash example for i2c, spi for this board? Do you have fork of wiring pi? It would be nice to use pi4j in the future. I found only simple gpio example here https://github.com/BPI-SINOVOIP/BPI-files/commit/e90ba54ed24153fdd7d7f8d313e1195e79b897a1