On Tue, Apr 14, 2015 at 08:37:26PM +0000, Stefan Wahren wrote: > The dr_mode of usb0 on imx233-olinuxino is left to default "otg". > Since the green LED (GPIO2_1) on imx233-olinuxino is connected to the > same pin as USB_OTG_ID it's possible to disable USB host by LED toggling: > > echo 0 > /sys/class/leds/green/brightness > [ 1068.890000] ci_hdrc ci_hdrc.0: remove, state 1 > [ 1068.890000] usb usb1: USB disconnect, device number 1 > [ 1068.920000] usb 1-1: USB disconnect, device number 2 > [ 1068.920000] usb 1-1.1: USB disconnect, device number 3 > [ 1069.070000] usb 1-1.2: USB disconnect, device number 4 > [ 1069.450000] ci_hdrc ci_hdrc.0: USB bus 1 deregistered > [ 1074.460000] ci_hdrc ci_hdrc.0: timeout waiting for 00000800 in 11 > > This patch fixes the issue by setting dr_mode to "host" in the dts file. > > Reported-by: Harald Geyer <[email protected]> > Signed-off-by: Stefan Wahren <[email protected]> > --- > arch/arm/boot/dts/imx23-olinuxino.dts | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts > b/arch/arm/boot/dts/imx23-olinuxino.dts > index 7e6eef2..3b2d74d 100644 > --- a/arch/arm/boot/dts/imx23-olinuxino.dts > +++ b/arch/arm/boot/dts/imx23-olinuxino.dts > @@ -93,6 +93,7 @@ > > ahb@80080000 { > usb0: usb@80080000 { > + dr_mode = "host"; > vbus-supply = <®_usb0_vbus>; > status = "okay"; > }; > -- > 1.7.9.5 >
If this board has only host function, I am ok for it. Acked-by: Peter Chen <[email protected]> -- Best Regards, Peter Chen -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
