Hi Wolfram, On Tue, Feb 8, 2022 at 1:35 PM Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote: > > > While I2C on R-Car Gen4 does support some extra features (Slave Clock > > > Stretch Select, Fast-mode Plus), for now it is treated the same as I2C > > > > Correction: R-Car S4 does not support Fast-mode Plus, so there will be > > a v2 of this patch, eventually. > > But why? Unless we implement slave clock stretching, we can still keep > it at Gen3 level. Which does also not have FM+. Don't we want to introduce a family-specific compatible value for R-Car Gen4? At least the SCSS seems to be a new R-Car Gen4 feature common to R-Car S4 and R-Car V3U (yes, the latter is advertised as the first member of the R-Car Gen4 family, so I intend to move it over to renesas,rcar-gen4-* where it makes sense). Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds