On 12.02.2024 22:19, Dmitry Baryshkov wrote: > On Mon, 12 Feb 2024 at 15:44, Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> wrote: >> >> This tablet features quite a bunch of I2C-connected devices, such as >> a Richtek RT1715 USB-C controller, a MM8013 fuel gauge, FSA4480 Type-C >> audio mux, TPS65132 regulator and some more. >> >> Add the aforementioned ones and document others. >> >> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> >> --- [...] >> + /* TODO: Add a proper PD setup */ >> + typec-power-opmode = "default"; >> + try-power-role = "sink"; >> + power-role = "dual"; >> + pd-disable; >> + >> + port { >> + rt1715_hs_ep: endpoint { >> + remote-endpoint = <&usb_dwc3_hs>; > > Most likely this port should have the SBU endpoint connected to > fsa4480. Also, if SS lines are connected, there should be a link > between this connector and the QMP PHY. I wish there was usb3. Unless lenovo did that in hw and didn't hook it up in software, but that's just wishful thinking. I'll give it a shot anyway :P Konrad