On Fri, Sep 28, 2018 at 3:18 PM Mark Brown <broonie@xxxxxxxxxx> wrote: > On Tue, Sep 25, 2018 at 04:32:19PM +0200, Linus Walleij wrote: > > Some 3WIRE SPI devices require the host to insert a > > "high-impedance turn-around" essentially a clock pulse after > > switching the one line from output to input. > > > +- spi-3wire-high-impedance-turn-around - Empty property indicating that a > > + 3wire host need to insert a high-impedance turn-around > > + clock cycle after turning the one output line into an > > + input line. > > Should this not be a flag set through the API rather than a DT property? > It doesn't look like something that's per system configurable but rather > something that the device is always going to need to do so every single > usage of the device is going to need this property. Good point. Let me take it for a spin using some flag inside Linux instead and see if it looks better. Yours, Linus Walleij
