On 14.06.2024 12:33 PM, Dmitry Baryshkov wrote: > On Fri, Jun 14, 2024 at 01:55:46AM GMT, Konrad Dybcio wrote: >> >> [...] >> GCC_HDMI_CLKREF_CLK is a child of xo, so you can drop the latter. >> It would also be worth confirming whether it's really powering the >> PHY and not the TX.. You can test that by trying to only power on the >> phy (e.g. call the phy_power_on or whatever APIs) with and without the >> clock > > I'd prefer to keep it. I think the original DT used one of LN_BB clocks > here, so it might be that the HDMI uses CXO2 / LN_BB instead of the main > CXO. > > If somebody can check, which clock is actually used for the HDMI, it > would be really great. +CC jhugo - could you please take a look? Konrad