> > My personal use case is debugging. R-Car H2 is great because I can > > always pinmux this or that I2C IP core to the same set of pins, and in 2 > > out of 4 cases even GPIO bitbang on top of that. So, it is great to > > compare behaviour, do scopes with the same type of setup, etc... > > For that, I do runtime switches, but the slaves are not really under > > real usage. > > Ok, so runtime here still means it's chosen by an operator (i.e. you), > not part of regular operation. Yes. > I meant multiplexing it through the pinmux framework, with one of the > two being active at any time. Obviously this makes no sense for > i3c slaves, but it can be useful if the bus only contains i2c slaves. Unless Linux is not an I2C slave itself. > What I meant here was switching the bus between an i2c master and an > i3c master like you do with the i2c demuxer. Right now, this wouldn't > work because i2c and i3c use different representations in DT and in > Linux for the same devices. I see. Thanks for the clarification.
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