On Fri, Sep 05, 2014 at 11:05:37AM +0200, Anders Berg wrote: > Well, the problem with adding this to the spi-pl022 driver (as a > vendor specific extension) is that this IP block unfortunately isn't > distinguishable from the standard ARM PL022 implementation (same > values in the PrimeCell identification registers). That's why I went > down the GPIO path...
Would it not be more straightforward to just register it as a platform device in this case, or use a separate OF ID in the DT? We appear to specify a compatible string when registering AMBA devices even if we are capable of identifying using the ID registers.
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