[RFC PATCH 06/13] picoxcell: add support for system clks

[Russell King - ARM Linux]

On Tue, Nov 23, 2010 at 10:06:07AM +0000, Jamie Iles wrote:
> The different picoXcell device variants have different numbers of clocks
> and different capabilities (PC3X2 doesn't have any gateable or
> controllable clocks). Add the infrastructure necessary for device
> variants to provide their own clock implementation.

Fro the looks of this, you only allow one lookup per clk?  That's
rather sub-optimal, and could cause you problems in the future when
you may want to have aliases to cater for differences in the SoC
clock layout.