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Using external i/o expander line as a chip select in the device tree?

Question asked by Charlie Schultz on Mar 25, 2017
Latest reply on Mar 25, 2017 by Wigros Sun

I have a few I2C i/o expanders (PCA953x) in my device tree. I would like to use one of the lines from one of those i/o expanders as a chip select for another device in the device tree and I'm uncertain how to do it (or even if it can be done).

 

Any help would be appreciated, thanks. Specifically this is for an imx6ul-based board.

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