Tested with:
- DS1307 RTC (ds1307)
- AT24C32 EEPROM (icee)
- HTU21D temperature and humidity sensor (htu21, to be submitted later)
- PCF8591 ADC/DAC (pcf8591, to be submitted later)
- MAX44009 light sensor (max44009, to be submitted later)
- TCA9548 I2C switch (pca954x, to be submitted later)
All with a10_twsi on an Allwinner H3 based board.