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> --- 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"; }; -- 2.11.0 -- 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