Re: [PATCH] i2c: Add generic support passing secondary devices addresses

[Lars-Peter Clausen]

On 09/21/2014 07:49 PM, Wolfram Sang wrote:
> > > This raises the first question for me: Are the additional addresses
> > > configurable? Sadly, I can't find good documentation for the adv7604.
> > > Otherwise, if I know I have a adv7604 and know its addresses, this
> > > information should go into the driver and not the DT.
> >
> > They are. The current driver hard codes the other addresses, but that's not
> > working when you have multiple adv7604s on the same I2C bus.
>
> How is this configured? I can't imagine every address has its own
> setting, but rather some 1-3 pins which select a certain block of
> addresses?

Every secondary address has its own register and can be set to any valid I2C 
address.

- Lars
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