From: Bin Liu <b-liu@ti.com>
To: ayaka <ayaka@soulik.info>
Cc: <linux-usb@vger.kernel.org>, Felipe Balbi <balbi@kernel.org>,
<gregkh@linuxfoundation.org>, <linux-kernel@vger.kernel.org>
Subject: Re: musb: am3358: having problem with high-speed on usb1 at peripheral
Date: Thu, 18 Aug 2016 11:08:40 -0500 [thread overview]
Message-ID: <20160818160712.GA1853@uda0271908> (raw)
In-Reply-To: <1470968595-29231-1-git-send-email-ayaka@soulik.info>
Hi,
On Fri, Aug 12, 2016 at 10:23:15AM +0800, ayaka wrote:
> Hello all:
> I recently add a support for customize am3358 board using the branch
> processor-sdk-linux-03.00.00 from Ti git. But I meet a problem with musb
> at the peripheral mode.
> I have force usb1 in peripheral mode in dts as it only have USB_DP,
> USB_DM and USBDRV connected. I start up a ether gadget using the configfs,
Do you mean USB1_DRVVBUS pin? If so, you have wrong hw design. For
peripheral mode, you should float this pin, but connect USB1_VBUS pin
instead.
Regards,
-Bin.
> But I found it would always work on the USB 2.0 full speed mode,
> even the testmode can't force it in high speed mode or it won't appear
> at host side. If I want it work at high speed mode, what should I do?
> I also meet the DMA problem, I have to apply the "ARM: dts: am33xx:
> fix DMA support for the second USB interface", but does patches really
> work? Although it make the error message disapear, but the mail list
> said the just make the usb back to PIO mode.
>
> --
> 2.7.4
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-usb" in
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next prev parent reply other threads:[~2016-08-19 1:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-12 2:23 musb: am3358: having problem with high-speed on usb1 at peripheral ayaka
2016-08-12 7:40 ` Greg KH
2016-08-12 16:38 ` ayaka
2016-08-12 17:44 ` Greg KH
2016-08-12 17:59 ` ayaka
2016-08-16 7:10 ` Felipe Balbi
2016-08-16 8:10 ` Ayaka
2016-08-16 8:31 ` Felipe Balbi
2016-08-16 14:05 ` ayaka
2016-08-18 6:35 ` Felipe Balbi
2016-08-15 20:53 ` musb: am3358: having performance problem with usb1 ayaka
2016-08-18 16:08 ` Bin Liu [this message]
2016-08-23 1:57 ` musb: am3358: having problem with high-speed on usb1 at peripheral Ayaka
2016-08-23 15:17 ` Bin Liu
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