[U-Boot] [linux-sunxi] [PATCH 0/6] sunxi: H6: Enable USB (2.0) support

[Clément Péron]

On Tue, 18 Jun 2019 at 19:08, Clément Péron <peron.clem at gmail.com> wrote:
>
> Hi Andre,
>
> On Tue, 18 Jun 2019 at 09:50, Jagan Teki <jagan at amarulasolutions.com> wrote:
> >
> > On Thu, May 16, 2019 at 6:56 AM Andre Przywara <andre.przywara at arm.com> wrote:
> > >
> > > Hi,
> > >
> > > this series enables USB support on the H6 boards. This is mostly just
> > > adding some missing pieces here and there, the actual controller and PHY
> > > are very similar to the previous ones, if not identical.
> > > This is for the 2.0 ports only at the moment, USB 3.0 will be done
> > > later (started porting Icenowy's Linux driver).
> > > The Pine H64 shares a similar problem as the Pine64+ boards regarding
> > > the upper USB port. To enable this port, we need the first patch
> > > from the series [1] fixing this issue on the A64 boards.
> > >
> > > Patch 1 is a drive-by patch to bring SUNXI_GPIO to Kconfig, as this was
> > > lingering in one of my branches for a while.
> > > Patch 2 enables GPIO support for the H6, as this is needed for the Pine
> > > H64 to enable the VBUS regulator.
> > > Patch 3 adds the clock and reset gates mappings for the USB controller and
> > > the PHY, the values are taken from the manual and verified against
> > > Linux.
> > > Patch 4 adds some code to the PHY driver to skip over not implemented
> > > PHYs, as the H6 uses a PHY0/PHY3 combination in the DT.
> > > Patch 5 then eventually enables USB in the existing defconfigs.
> > > Patch 6 adds the .dts fixes required to get the upper USB port to work
> > > on the Pine H64.
> > >
> > > Clément, can you please verify that this works for the Beelink box?
> Thank you for the notice.
>
> Works fine on my board:
I have tested with and without the trick in usb2otg node and both seems working.
(only tested usb start; usb tree).
Why not leave it to avoid a difference with linux?

Regards,
Clément




> U-Boot 2019.07-rc4 (Jun 18 2019 - 19:06:21 +0200) Allwinner Technology
>
> CPU:   Allwinner H6 (SUN50I)
> Model: Beelink GS1
> DRAM:  2 GiB
> MMC:   mmc at 4020000: 0, mmc at 4022000: 1
> Loading Environment from FAT... Unable to use mmc 1:1... In:    serial at 5000000
> Out:   serial at 5000000
> Err:   serial at 5000000
> Net:   No ethernet found.
> starting USB...
> Bus usb at 5101000: USB EHCI 1.00
> Bus usb at 5101400: USB OHCI 1.0
> scanning bus usb at 5101000 for devices... 1 USB Device(s) found
>
> Regards,
> Clément
>
> > > I guess the USB 2.0 port is probably the OTG one, so this setup would
> > > look somewhat similar to the PineH64, which would allow you to copy
> > > the USB DT nodes from there.
> > >
> > > Cheers,
> > > Andre.
> > >
> > > [1] https://lists.denx.de/pipermail/u-boot/2019-May/369520.html
> > >
> > > Andre Przywara (6):
> > >   sunxi: move SUNXI_GPIO to Kconfig
> > >   sunxi: gpio: Enable support for H6 pin controller
> > >   sunxi: clocks: Add H6 USB clock gates and resets
> > >   sunxi: phy: Add USB PHY support for Allwinner H6
> > >   sunxi: H6: Enable USB for existing boards
> > >   sunxi: Pine64: DTS: enable USB PHY 0 for HCI0
> >
> > Except 6/6 (it can be part of DTS sync during MW) and rest
> >
> > Reviewed-by: Jagan Teki <jagan at amarulasolutions.com>