Re: Registering I2C devices on X86

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On Wed, Jun 02, 2010 at 12:12:00PM +0200, Richard R?jfors wrote:
> Hi,
> 
> I have a general question regarding the best way of registering I2C devices on a X86 system.
> 
> On ARM I would have done it in the board config, pretty straight forward.
> 
> On this X86 system the I2C bus is a PCI device, and different I2C
> devices might be tied into the bus depending on which board the
> device is populated on.

Hmm, if it is a PCI device, then surely you should know the PCI ID
you are binding too?
 
> So my idea is to create a "mapping" driver. It opens the I2C
> adapter, creates platform data for each I2C device and add them by
> calling i2c_new_device. I don't find any better way since platform
> data must be created and also translation from GPIO pins to
> interrupt numbers.

That might be a way, however there's not really a good way to add
interrupts dynamically.

-- 
Ben (ben@xxxxxxxxx, http://www.fluff.org/)

  'a smiley only costs 4 bytes'
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