[PATCH 2/5] drivers: usb: otg: make twl6030_usb as a comparator driver to omap_usb2

[Benoit Cousson]

Hi Roger,

On 10/26/2012 05:16 PM, Roger Quadros wrote:
> Hi Kishon & Benoit,
> 
> On 09/24/2012 12:06 PM, Rabin Vincent wrote:
>> 2012/9/24 ABRAHAM, KISHON VIJAY <kishon at ti.com>:
>>> On Sat, Sep 22, 2012 at 3:03 AM, Rabin Vincent <rabin at rab.in> wrote:
>>>> USB doesn't work on pandaboard on linux-next, and bisection shows this
>>>> patch.  Unfortunately, I can't provide a dmesg log because USB is the
>>>> only way I currently have to get one out(!), but presumably it's because
>>>> this omap-usb2 device is never registered?  Looks like this breaks
>>>> non-dt USB on pandaboard; is that intended?
>>>
>>> Yes. omap-usb2 is *only* dt supported (New drivers shouldn't have the
>>> old non-dt support).
>>
>> Well, USB used to work fine on Pandaboard without DT before the
>> introduction of "omap-usb2", so one would expected it to continue
>> working (until the board file is completely removed).
>>
>> Anyway, I've moved to DT now.
>>
>>> Some patches are queued only for 3.7.
>>>
>>> In case you want to use MUSB please use these patches on linux-next..
>>> [PATCH v2] arm: omap: hwmod: make *phy_48m* as the main_clk of ocp2scp
>>> [PATCH] ARM: OMAP2+: hwmod data: Fix ocp2scp_usb_phy and usb_host_hs
>>> entries (from Benoit)
>>> [PATCH 0/2] ARM: dts: Add subnode for ocp2scp (patch series)
>>> [PATCH v3 0/3] ARM: dts: omap: add dt data for MUSB (patch series)
>>
>> I got these by merging in Benoit's for_3.7/dts_part2 on top of
>> next-20120921.  Thanks.
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> 
> I still can't get musb to work on 3.7-rc2. Apparently it is still
> missing the patches from Benoit's for_3.7/dts_part2.
> 
> Maybe I just need to wait for it to be merged?

They are now in a for_3.8/dts. Unfortunately, one patch that was adding
ctrl_module address in the USB data was rejected and thus I'm not sure
it will work without that.

I think Tony had an idea to map the ctrl_register to regulator fmwk or
something like that.

> Till then, where can I get a tree where musb works on Panda?
> 
> Benoit,
> 
> FYI, I get merge conflicts when merging 3.7-rc2 on top of Linus's kernel
> HEAD. Am I missing something?

Yeah, some more patches were merged outside our tree.
I fixed that. Can you try with the updated branch?

Regards,
Benoit