[linux-sunxi] [PATCH v2 0/5] ARM: sunxi: Add support for USB OTG PHY

Chen-Yu Tsai wens at csie.org
Tue Nov 11 08:50:53 PST 2014

On Tue, Nov 11, 2014 at 5:11 PM, Hans de Goede <hdegoede at redhat.com> wrote:
> Hi,
> On 11/10/2014 07:55 PM, Roman Byshko wrote:
>> Hi,
>> There is already support for two USB phys, which are used for
>> USB host controllers on Allwinner SoC aka sunxi.
>> This patch series add support for the USB OTG phy (aka phy0).
>> The code has been tested on Allwinner A20 aka sun7i (Cubietruck).
>> Best regards,
>> Roman Byshko
> First of all very cool that you're working on this, I somehow missed
> v1, but I'm very happy to see this.
> Second some questions, this series seems to only add support for
> initializing the phy, without adding the necessary magic for
> switching from app to host mode, and without actually hooking up musb,
> I assume you've a follow up series adding musb support, which actually
> uses the phy ?
> Also have you coordinated your work with ChenYu? ATM ChenYu is mostly
> working on other stuff, but AFAIk he has been working on musb support
> in the past.

I'm happy that someone has taken over. I was mostly just exploring what
OTG is, not much code actually made it into my working branch, which is
available on github.


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