On Mon, Jan 28, 2019 at 08:41:05AM +0100, Geert Uytterhoeven wrote: > On Sat, Jan 26, 2019 at 4:40 PM Jonas Bonn <jonas@xxxxxxxxxxx> wrote: > > spi-3wire: again, only set by MAXIM DS-1302 which always needs this > > setting; driver could set this > For DS1302, this is probable true. > Some devices may support both 4-wire or 3-wire mode? IIRC yes. > > Yeah, that one make sense. But if the DT is only overriding the maximum > > device frequency that the driver should otherwise be setting, why is > > spi-max-frequency a _required_ property? > That's a good question. Legacy? It's a documentation error.
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