[U-Boot] [PATCH v2 0/5] sunxi: H6: Enable USB (2.0) support

[Jagan Teki]

On Sun, Jun 23, 2019 at 7:40 PM Andre Przywara <andre.przywara at arm.com> wrote:
>
> Hi,
>
> a minor update to v1, adding PortM support as per Icenowy's comment and
> dropping the DT change. We still need the latter for support the USB0
> port on some boards, but this takes another route now (syncing back
> from Linux).
> ---------------
>
> 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 requires some more
> work to make U-Boot's driver compliant to the kernel's DT bindings.
>
> The Pine H64 shares a similar problem as the Pine64+ boards regarding
> the upper USB port. To enable this port, we need a patch from Paul [1]
> and changes to the DT [2]. But this is orthogonal to this series.
>
> 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.
>
> Cheers,
> Andre.
>
> [1] https://lists.denx.de/pipermail/u-boot/2019-March/361828.html
> [2] http://lists.infradead.org/pipermail/linux-arm-kernel/2019-June/661580.html
>
> Andre Przywara (5):
>   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

Reviewed-by: Jagan Teki <jagan at amarulasolutions.com>