From mboxrd@z Thu Jan 1 00:00:00 1970 From: marex@denx.de (Marek Vasut) Date: Wed, 15 Apr 2015 04:59:58 +0200 Subject: [PATCH] ARM: dts: imx23-olinuxino: Fix dr_mode of usb0 In-Reply-To: <1429043846-28731-1-git-send-email-stefan.wahren@i2se.com> References: <1429043846-28731-1-git-send-email-stefan.wahren@i2se.com> Message-ID: <201504150459.58238.marex@denx.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tuesday, April 14, 2015 at 10:37:26 PM, 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 > Signed-off-by: Stefan Wahren Reviewed-by: Marek Vasut Best regards, Marek Vasut From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Subject: Re: [PATCH] ARM: dts: imx23-olinuxino: Fix dr_mode of usb0 Date: Wed, 15 Apr 2015 04:59:58 +0200 Message-ID: <201504150459.58238.marex@denx.de> References: <1429043846-28731-1-git-send-email-stefan.wahren@i2se.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1429043846-28731-1-git-send-email-stefan.wahren-eS4NqCHxEME@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Stefan Wahren Cc: shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, harald-95f8Dae0BrPYtjvyW6yDsg@public.gmane.org, peter.chen-KZfg59tc24xl57MIdRCFDg@public.gmane.org List-Id: devicetree@vger.kernel.org On Tuesday, April 14, 2015 at 10:37:26 PM, 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 > Signed-off-by: Stefan Wahren Reviewed-by: Marek Vasut Best regards, Marek Vasut -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html