On Wed, Jul 04, 2018 at 01:41:42PM +0000, Ben Whitten wrote:

Please fix your mail client to word wrap within paragraphs at something
substantially less than 80 columns.  Doing this makes your messages much
easier to read and reply to.

In my SX1257 driver currently the regmap is backed via SPI with
devm_regmap_init_spi, please correct me if I am wrong but if I
understand correctly this could be split out to regmap backed by SPI
in the case of a direct host connection, and a regmap backed by the
SX1301's regmapped strobing register interface, regmap_bus?

Yes.

Is there a precedent to this I can examine?

There's lots of devices that provide both SPI and I2C, you'd just be
using a regmap_bus instead of the I2C one.  I can't recall an example of
the specific combination you're looking for though.
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