Suggestion Needed on Demuxer to Select Slave Devices

["Lad, Prabhakar" <prabhakar.csengg@xxxxxxxxx>]

Hi Folks,

I am writing a Linux SPI slave driver, on the latest kernel, and
wanted a suggestion on how the driver could fit in the latest kernel
with DT.

I have SPI controller which is connected to decoder [1], the SPI
controller has 2 chip selects, but only one (cs0) is connected to the
decoder.
The decoder has 8 slave devices connected to it, which can be can be
selected by gpios from the muxer.

Is there something existing in the drivers for such demuxers that I am missing.


[1] http://www.ti.com/lit/ds/symlink/sn74ahc138.pdf

Cheers,
--Prabhakar
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