Multiple issues with omap4 panda es in linux next

Felipe Balbi balbi at ti.com
Thu Apr 25 05:04:47 EDT 2013


Hi,

On Wed, Apr 24, 2013 at 12:23:30PM -0700, Tony Lindgren wrote:
> * Tony Lindgren <tony at atomide.com> [130424 12:13]:
> > * Kishon Vijay Abraham I <kishon at ti.com> [130423 22:46]:
> > > Hi Tony,
> > > 
> > > On Wednesday 24 April 2013 04:46 AM, Tony Lindgren wrote:
> > > >* Tony Lindgren <tony at atomide.com> [130423 14:37]:
> > > >>* Tony Lindgren <tony at atomide.com> [130423 10:28]:
> > > >>>* Kishon Vijay Abraham I <kishon at ti.com> [130423 08:15]:
> > > >>>>>>>2. MUSB fails with legacy booting and DT on panda es
> > > >>>>>>>
> > > >>>>>>>With both legacy and DT booting I get something like:
> > > >>>>>>>
> > > >>>>>>>HS USB OTG: no transceiver configured
> > > >>>>>>>musb-hdrc musb-hdrc.0.auto: musb_init_controller failed with status -517
> > > >>>>>>
> > > >>>>>>The dt should work fine with https://patchwork.kernel.org/patch/2423061/.
> > > >>>>>
> > > >>>>>OK thanks for checking that.
> > > >
> > > >Kishon, I think there's also some other issue remaining
> > > >in linux next with MUSB and DT. I'm still getting the
> > > >"HS USB OTG: no transceiver configured" although the nop
> > > >xceiv is compiled in. Maybe give it a try against linux
> > > >next?
> > > 
> > > For OMAP4 MUSB, you'll need omap-usb2 phy. I've attached my .config.
> > 
> > Thanks your config helped me to track it down. Looks like I got
> > the PHYs the wrong way around between EHCI and MUSB..
> > 
> > In any case, I did have omap-usb2 compiled in, but I did not have
> > OMAP_OCP2SCP=y set. Should OMAP_USB2 depend on that?
> > 
> > Also, looks like MUSB just sits in b_idle mode though, so no more
> > ID pin interrupt for some reason.
> 
> OK looks like I got the ID interrupt going by enabling
> CONFIG_TWL6030_USB=y. Still stays in a_idle with no keyboard
> after plugging it in, but now changes between a and b mode.

come again, you ground ID pin and have no devices attached ? Then it
should stay in a_idle.

-- 
balbi
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