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 -- 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
