Am Dienstag, den 15.05.2018, 11:45 +0300 schrieb Nikita Yushchenko: > On RDU1, imx51 usbh1 interface is either not used, or used via > external > block that breaks USB2 signalling. > > To keep things working if high-speed device gets connected to that > block, use ChipIdea feature to limit port to full speed. > > Signed-off-by: Nikita Yushchenko <nikita.yoush@xxxxxxxxxxxxxxxxxx> Reviewed-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > --- > arch/arm/boot/dts/imx51-zii-rdu1.dts | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/imx51-zii-rdu1.dts > b/arch/arm/boot/dts/imx51-zii-rdu1.dts > index 36a63ae52e48..c26f053f29b0 100644 > --- a/arch/arm/boot/dts/imx51-zii-rdu1.dts > +++ b/arch/arm/boot/dts/imx51-zii-rdu1.dts > @@ -603,6 +603,7 @@ > phy_type = "ulpi"; > fsl,usbphy = <&usbh1phy>; > disable-over-current; > + maximum-speed = "full-speed"; > vbus-supply = <®_5p0v_main>; > status = "okay"; > }; -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html