Dne torek, 26. december 2023 ob 09:40:05 CET je Fuyao Kashizuku napisal(a): > The USB PHY in the Allwinner R40 SoC seems to rely on voltage on the > VCC-TVIN/OUT supply pins for proper operation, on top of its own supply > voltage on VCC-USB. Without a 3.3V voltage supplied to VCC-TV*, USB > operation becomes unstable and can result in disconnects. > > The Forlinx FETA40i-C SoM connects both the VCC-TVOUT and VCC-TVIN pins > to the ALDO1 rail of the PMIC, so we need to enable that rail for USB > operation. Since there is no supply property in the DT bindings for > the USB core, we need to always enable the regulator. > > This fixes unstable USB operation on boards using the Forlinx FETA40i-C > module. > > Signed-off-by: Fuyao Kashizuku <fuyao@xxxxxxxxxx> Merged, thanks! Best regards, Jernej
