> On 5th April, when we first RFC'd our SPI layer support, you said to Peter: > > == > I don't believe there is any difference between SSI and SPI. It's the > exact same thing - the same way that many devices support a "two-wire > interface" that is actually just I2C with a different name. > > The behavior of the CS pin varies between devices. It sounds like you need > a bit of extra logic not present in the current ssi code. You should fix > that, not invent a whole new bus. > == > > He's gone and done exactly that, indeed generalised it with the > proposed changes to SSI.
No. There are two changes. Modelling the CS line in the SPI bus, and having SSI be a multipoint bus rather than point-point. Paul
