On 05/07/2023 08:45, Shengjiu Wang wrote: >> Drop description, it's redundant. I did not ask to add it. >> >> Anyway, my comment is unanswered. Don't ignore the emails you receive. >> > Can someone provide rationale for this? >> > > The Audio clock mux is binded with all the audio IP and audio clocks in the > subsystem > so need to list the power domain of related clocks and IPs. Each clock and > IPs has > a power domain, so there are so many power domains. OK, Reference Manual does not mention them but I see your SCU PD driver actually registers such power domains. Best regards, Krzysztof