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

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On Wed, 2013-09-25 at 10:09 -0300, Fabio Estevam wrote:
> 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?

No, I'm not. Is there already "glue-code" for imx.27 ?

Thanks
 -- Christoph



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