[U-Boot] [PATCH v5 1/3] ARM: Tegra: FDT: Add USB EHCI function for T30/T114

[Stephen Warren]

On 11/13/2013 02:28 AM, Andreas Müller wrote:
> On Fri, Jun 21, 2013 at 6:20 PM, Stephen Warren <swarren at wwwdotorg.org> wrote:
>> On 06/21/2013 05:05 AM, Jim Lin wrote:
>>> Add DT node for USB EHCI function.
>>> Add support for T30-Cardhu, T30-Beaver, T114-Dalmore boards.
>>
>>> Changes in v5:
>>>  - Move changes on fdtdec.h and fdtdec.c to patch 2/3
>>>  - Modify PHY type to hsic for USB2 port
>>
>> HSIC is an odd choice; ULPI is much more common. Still, this isn't a big
>> deal; this is simply a default value, so any board that enables USB2 can
>> simply set the property to "ulpi" if needed.
>>
> Long time ago but now I am working on a board support for tegra30
> which has ASIX-eth on USB2-HSIC and don't get it to work. Checking the
> code leads me to the question:
> 
> Is it possible that phy_type = "hsic" is not handled at all?

Almost certainly. I don't believe any of the boards we currently support
in upstream U-Boot or the Linux kernel actually use/support HSIC, so
it's quite unlikely that the driver support for HSIC is present.