Hi Jianxin, On Fri, Sep 6, 2019 at 7:58 AM Jianxin Pan <jianxin.pan@xxxxxxxxxxx> wrote: [...] > > also I'm a bit surprised to see no busses (like aobus, cbus, periphs, ...) here > > aren't there any busses defined in the A1 SoC implementation or are > > were you planning to add them later? > Unlike previous series,there is no Cortex-M3 AO CPU in A1, and there is no AO/EE power domain. > Most of the registers are on the apb_32b bus. aobus, cbus and periphs are not used in A1. OK, thank you for the explanation since you're going to re-send the patch anyways: can you please include the apb_32b bus? all other upstream Amlogic .dts are using the bus definitions, so that will make A1 consistent with the other SoCs Martin