[PATCH 2/4] arm64: dts: imx8mp-kontron: Fix USB OTG role switching

Fabio Estevam festevam at gmail.com
Tue Nov 11 13:20:19 CET 2025


Hi Frieder,

On Tue, Nov 11, 2025 at 7:31 AM Frieder Schrempf <frieder at fris.de> wrote:
>
> From: Frieder Schrempf <frieder.schrempf at kontron.de>
>
> The VBUS supply regulator is currently assigned to the PHY node.
> This causes the VBUS to be always on, even when the controller
> needs to be switched to peripheral mode.
>
> Fix the OTG role switching by adding a connector node and moving
> the VBUS supply regulator to that node. This way the VBUS gets
> correctly switched according to the current role.
>
> Signed-off-by: Frieder Schrempf <frieder.schrempf at kontron.de>
> Signed-off-by: Shawn Guo <shawnguo at kernel.org>

Is this an upstream kernel commit? If so, please mention the commit ID.

Tom,

Should we patch dts/upstream/src or modify the -u-boot.dtsi until the
fix lands upstream?


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