[PATCH 3/3] i2c: nomadik: Add Device Tree support to the Nomadik I2C driver

Lee Jones lee.jones at linaro.org
Wed Sep 5 02:41:07 EDT 2012

On Tue, Sep 04, 2012 at 07:27:10PM +0200, Linus Walleij wrote:
> On Tue, Sep 4, 2012 at 4:28 PM, Arnd Bergmann <arnd at arndb.de> wrote:
> > In this particular case, we don't have a single board file providing a
> > struct nmk_i2c_controller definition for platform data, so the best way
> > to handle this IMHO is to remove the header file with the platform
> > data definition, and just encode the defaults in the driver.
> Alessandro Rubini is actively working on bridging this (and
> other amba_device primecells) to PCI, that is the reason why it
> was recently converted to an amba_device. How is he then supposed to
> get the proper parameters into the driver? Note that the PCI ID
> is no help at all since the parameters depend on what is connected
> to the I2C bus, not on what it itself is connected to. Isn't platform data
> used in such cases?

So why can't Alessandro continue to use Platform Data in the normal way?

Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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