Re: [help] imx27 - isp1504 : unable to init transceiver, probably missing

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Christoph,

On Wed, Sep 25, 2013 at 7:17 AM, Christoph Fritz
<chf.fritz@xxxxxxxxxxxxxx> wrote:
> On Tue, 2013-04-09 at 14:28 -0300, Fabio Estevam wrote:
>> On Mon, Apr 8, 2013 at 9:09 PM, Fabio Estevam <festevam@xxxxxxxxx> wrote:
>>
>> >> I know that I have to use the driver ULPI but with my configuration, I
>> >> get these errors :
>> >> "
>> >> ehci-mxc: Freescale On-Chip EHCI Host driver
>> >> mxc-ehci mxc-ehci.0: initializing i.MX USB Controller
>> >> timeout polling for ULPI device
>> >> mxc-ehci mxc-ehci.0: unable to init transceiver, probably missing
>>
>> Just tested mx31pdk on a 3.8.6 kernel and I got:
>>
>> ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>> ehci-mxc: Freescale On-Chip EHCI Host driver
>> mxc-ehci mxc-ehci.0: initializing i.MX USB Controller
>> ULPI transceiver vendor/product ID 0x04cc/0x1504
>> Found NXP ISP1504 ULPI transceiver.
>> ULPI integrity check: passed.
>> mxc-ehci mxc-ehci.0: EHCI Host Controller
>> mxc-ehci mxc-ehci.0: new USB bus registered, assigned bus number 1
>> mxc-ehci mxc-ehci.0: irq 53, io mem 0x43f88000
>> mxc-ehci mxc-ehci.0: USB 2.0 started, EHCI 1.00
>> hub 1-0:1.0: USB hub found
>> hub 1-0:1.0: 1 port detected
>> mxc-ehci mxc-ehci.2: initializing i.MX USB Controller
>> timeout polling for ULPI device
>> mxc-ehci mxc-ehci.2: unable to init transceiver, probably missing
>
> Any updates on this?
>
> I'm facing the same kind of issue with an SMSC3340 phy connected to an
> imx.27: After some minutes in power-off state, the first boot fails to
> detect the ULPI device connected to USBOTG-Pins, no matter if host- or
> device-mode is configured.
> But the strange thing is that then, after a reboot or reset the phy gets
> detected.

I haven't looked closely at this issue since then.

Are you able to use the chipidea driver instead of the ehci-mxc?

Regards,

Fabio Estevam
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux