Hi Andrey, Am Mittwoch, den 22.05.2019, 00:12 -0700 schrieb Andrey Smirnov: > Cabling used to connect devices to USBH1 on RDU2 does not meet USB > spec cable quality and cable length requirements to operate at High > Speed, so limit the port to Full Speed only.
Really? I thought this issue is specific to the RDU1, but you've been looking at this USB stuff for a lot longer than me. Regards, Lucas > Reported-by: Chris Healy <[email protected]> > Signed-off-by: Andrey Smirnov <[email protected]> > Cc: Shawn Guo <[email protected]> > Cc: Fabio Estevam <[email protected]> > Cc: Lucas Stach <[email protected]> > Cc: [email protected] > Cc: [email protected] > --- > arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi > b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi > index 5484e4b87975..3b37fe68d373 100644 > --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi > +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi > @@ -772,6 +772,7 @@ > &usbh1 { > vbus-supply = <®_5p0v_main>; > disable-over-current; > + maximum-speed = "full-speed"; > status = "okay"; > }; >
