On Tue, 2018-12-18 at 00:06 +0100, Wolfram Sang wrote: > > > What is "multi-user"? Why can't you add this offset to the reg-property > > > directly? > > ... > > > MT8183 doesn't need to support muti-user according to the latest project > > information, and I'll remove this feature from patches. > > Okay. It will be dropped then, thanks for the heads up! > > > > > + - mediatek,share-i3c: i3c controller can share i2c function. > > > > > > Please explain in more detail? Is this an I3C controller? > > > > Yes, it is a i3c controller, and it is compatible with i2c. I only use > > the feature of i2c, so I need a flag to do some extra settings. > > Can't you derive this from the compatible? If it is > "mediatek,mt8183-i2c", then you know you need these extra settings? > Not all channels are i3c controllers in MT8183. only i3c controller need some extra settings.