On Sat, Jun 11, 2022 at 9:50 AM Heiko Stuebner <heiko@xxxxxxxxx> wrote: > > Am Freitag, 10. Juni 2022, 16:44:23 CEST schrieb Peter Geis: > > On Fri, Jun 10, 2022 at 9:26 AM Peter Geis <pgwipeout@xxxxxxxxx> wrote: > > > > > > The SoQuartz CM4-IO should support otg mode, however it currently > > > defaults to device mode when otg is enabled. Force it to host mode to > > > retain the previous behavior. > > > > It would seem the role-switch issue is more widespread than originally > > thought, affecting other boards where automatic control should work. > > Please hold this patch while I investigate further. > > ok! > > I guess this also applies to > "arm64: dts: rockchip: Fix Quartz64-A dwc3 otg port behavior"? No, on Quartz64 Model A it can't work, the requisite pin isn't connected. I think I've found the problem, I've requested a few people to test a fix. Do you have a Model B or SoQuartz to test against (or any other rk356x board that has the id pin hooked up)? Thanks, Peter > > > Heiko > > > > > > > > Fixes: bc405bb3eeee ("arm64: dts: rockchip: enable otg/drd operation of usb_host0_xhci in rk356x") > > > > > > Signed-off-by: Peter Geis <pgwipeout@xxxxxxxxx> > > > --- > > > arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts | 1 + > > > 1 file changed, 1 insertion(+) > > > > > > diff --git a/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts b/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts > > > index e00568a6be5c..56764fae9f9d 100644 > > > --- a/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts > > > +++ b/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts > > > @@ -169,6 +169,7 @@ &usb2phy0_otg { > > > }; > > > > > > &usb_host0_xhci { > > > + dr_mode = "host"; > > > status = "okay"; > > > }; > > > > > > -- > > > 2.25.1 > > > > > > > > >