On Fri, Jul 29, 2016 at 11:34:41PM -0400, Rich Felker wrote:

> I was able to get it working via the clk api and I'll include support
> for this in the next version of the patch, but to actually use it
> depends on changing arch/sh to use the common clk framework; otherwise
> there's no way to provide a suitable clk in the DT and have
> [devm_]clk_get actually pick it up. Should I keep around the option of
> using clock-frequency too? That would be most convenient.

It sounds like at the minute the devices all have one frequency anyway
in which case just having a default frequency in there that you fall
back to if you get -ENOENT from a failed clock lookup might be enough?