[U-Boot] [PATCH 3/3] ARM: tegra: fix ULPI PHY on Ventana and Seaboard

[Simon Glass]

On 15 September 2016 at 12:19, Stephen Warren <swarren at wwwdotorg.org> wrote:
> From: Stephen Warren <swarren at nvidia.com>
>
> Commit ce02a71c2374 "tegra: dts: Sync tegra20 device tree files with
> Linux" enabled the ULPI USB port on Ventana, but made no attempt to ensure
> that U-Boot code could handle this. In practice, various code is missing,
> and various configuration options are not enabled, which causes U-Boot to
> hang when attempting to initialize this USB port. This patch enables ULPI
> PHY support on Ventana, and adds the required pinmux setup for the port to
> operate. Note that Ventana is so similar to Seaboard that this change is
> made in the Seaboard board file, which is shared with Ventana.
>
> Seaboard also has the ULPI USB port wired up in hardware, although to an
> internal port that often doesn't have anything attached to it. However,
> the DT nodes for the USB controller and PHY had different status property
> values, so the port was not initialized by U-Boot. Fix this inconsistency,
> and enable the ULPI port, just like in the Linux kernel DT. This likewise
> requires enabling ULPI support in the Seaboard defconfig.
>
> Cc: Marcel Ziswiler <marcel.ziswiler at toradex.com>
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> ---
>  arch/arm/dts/tegra20-seaboard.dts | 2 +-
>  board/nvidia/seaboard/seaboard.c  | 8 +++++++-
>  configs/seaboard_defconfig        | 2 ++
>  configs/ventana_defconfig         | 2 ++
>  4 files changed, 12 insertions(+), 2 deletions(-)

Reviewed-by: Simon Glass <sjg at chromium.org>