Hello Wolfram, > Subject: Re: [PATCH 1/4] dt-bindings: i2c: rcar: Add r8a77470 support > > > > > It seems to me that the RZ/G1C has some extra registers described > > > for I2C when compared with both other RZ/G1 and R-Car Gen2 SoCs. > > > > Exactly. The extra registers found with the RZ/G1C I2C controller are > > also found in R-Car Gen3, but the driver doesn't handle them. R-Car > > Gen3 has more registers on top of those found with the RZ/G1C. > > I don't have he RZ documentation yet, could you name which ones are Gen3 > only? ICDMAER and ICFBSCR are the registers found in R-Car Gen3 but not in RZ/G1C. Thanks, Fab Renesas Electronics Europe Ltd, Dukes Meadow, Millboard Road, Bourne End, Buckinghamshire, SL8 5FH, UK. Registered in England & Wales under Registered No. 04586709.