On 02/19/2014 04:03 PM, Sylwester Nawrocki wrote:
> Hi All,
>
> I was wondering whether it would be reasonable to create a generic
> Linux dummy I2C bus controller driver. The rationale behind it is
> there might be hardware configurations where I2C communication is
> handled by firmware but still it is useful to have I2C slave devices
^^^^^^^^
That doesn't sound like a dummy driver. Rather, it sounds like a driver
for the firmware(?) interface that's used to do the I2C transactions.
> instantiated by a Linux I2C bus adapter driver.
> It would be useful to have the common devicetree I2C binding scheme
> working regardless of where the I2C communication is handled - in
> firmware or by the host CPU.
>
> Currently we have a somewhat dummy I2C adapter driver at drivers/media/
> platform/exynos4-is/fimc-is-i2c.c. But it is going to be needed by
> multiple SoCs and I thought about separating it or creating a generic
> dummy I2C adapter driver.
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