[U-Boot] [U-Boot, v4, 3/4] usb: dwc3: add support for 16 bit UTMI+ interface

[Dr. Philipp Tomsich]

Marek,

do you know whether there's an update of the DWC3 driver planned to get us back in sync with the kernel driver?

Thanks,
Philipp.


> On 12 Sep 2017, at 07:02, Kever Yang <kever.yang at rock-chips.com> wrote:
> 
> Philipp,
> 
>    I believe there are some request I think is not reasonable which stop me from update new patch sets.
> 
> The usb/dwc3 is mess up now, separate in host mode and gadget mode, one need init in board init
> 
> while another use DM. When I want to add a new feature like use 16bit UTMI+  instead of 8bit(which suppose to be very very simple),
> 
> I don't think the maintainer have an idea where it should go and how it should be, and the driver now
> 
> it's far away from upstream kernel.
> 
> I have send 4 patch set for this, everything should be clear, but...
> 
> 
> 
> Thanks,
> - Kever
> On 09/11/2017 09:30 PM, Philipp Tomsich wrote:
>> 
>> Kever,
>> 
>> What is the status on this patch (and the encapsulating series)?
>> This seems to be stuck in 'changes requested' for about a year now...
>> 
>> Thanks,
>> Philipp.
>> 
>> On Thu, 1 Sep 2016, Kever Yang wrote:
>> 
>>> The dwc3 controller is using 8 bit UTMI+ interface for USB2.0 PHY,
>>> add one variable in dwc3/dwc3_device struct to support 16 bit
>>> UTMI+ interface on some SoCs like Rockchip rk3399.
>>> 
>>> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
>>> ---
>>> 
>>> Changes in v4:
>>> - use 1 bit for usb2_phyif_utmi_width instead of 5bit
>>> 
>>> Changes in v3:
>>> - Parse the DT for utmi+ interface width in dwc3 driver
>>> 
>>> Changes in v2:
>>> - use a variable to identify utmi+ bus width instead of CONFIG MACRO
>>> 
>>> drivers/usb/dwc3/core.c | 19 +++++++++++++++++++
>>> drivers/usb/dwc3/core.h | 12 ++++++++++++
>>> 2 files changed, 31 insertions(+)
>>> 
>> 
> 
>