Re: [PATCH v2 2/3] soc: sifive: Add SiFive specific Cadence DDR controller driver

From: Christoph Hellwig
Date: Wed Sep 09 2020 - 02:01:11 EST

On Tue, Sep 08, 2020 at 08:12:16PM -0700, Palmer Dabbelt wrote:
> I don't know enough about the block to know if the subtle difference in
> register names/offsets means. They look properly jumbled up (ie, not just an
> offset), so maybe there's just different versions or that's the SiFive-specific
> part I had bouncing around my head? Either way, it seems like one driver with
> some simple configuration could handle both of these -- either sticking the
> offsets in the DT (if they're going to be different everywhere) or by coming up
> with some version sort of thing (if there's a handful of these).

regmap can be used to handle non-uniform register layouts for the same