2010-03-20 01:59:43 I2C query
Loganathan Manokaran (INDIA)
I am working with u-boot "U-Boot 2008.10 (ADI-2009R1-rc2)" custom board with bf533.
In my custom board we have the GPIO expander with i2c controlled. i need to make use of i2c for this, i need to know how i can do this. is there any sample example / document available in the u-boot which i can refer and do it for my custom board gpio expander device.
2010-03-20 03:03:50 Re: I2C query
Mike Frysinger (UNITED STATES)
if you want to use Blackfin GPIOs to bit bang I2C, then look at the BF533-STAMP or BF561-EZKIT and read the top level README
if you need to write your own I2C bus driver, then read the existing I2C bus drivers