Re: [PATCH] gpio: of: Handle SPI chipselect legacy bindings

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On Wed, Sep 05, 2018 at 09:30:10AM +0200, Geert Uytterhoeven wrote:

> The last two are even more interesting, as they use spi-gpio, so there
> are 3 flags
> impacting chip select polarity (gpio-sck cell 2, cs-gpios cell 2,
> cs-active-high).
> 
> Looks like the current expectation is that all two (or three) should agree?

I think the current implementation is "intended" to come out as a
logical or - if anything sets the line active high then it's set active
high.  I've not checked properly if that's actually the case in practice
though.  It's not the most beautiful or well thought out arrangement :(

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