linux-kernel - Re: [PATCH] arm64: dts: imx8mp-kontron: Fix USB OTG role switching

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Message-ID: <aP8W7CE2rpLIbcDx@dragon>
Date: Mon, 27 Oct 2025 14:53:32 +0800
From: Shawn Guo <shawnguo2@...h.net>
To: Frieder Schrempf <frieder@...s.de>
Cc: Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
	Frieder Schrempf <frieder.schrempf@...tron.de>, imx@...ts.linux.dev,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Rob Herring <robh@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>,
	Annette Kobou <annette.kobou@...tron.de>,
	Fabio Estevam <festevam@...il.com>,
	Pengutronix Kernel Team <kernel@...gutronix.de>
Subject: Re: [PATCH] arm64: dts: imx8mp-kontron: Fix USB OTG role switching

On Mon, Oct 20, 2025 at 03:21:51PM +0200, Frieder Schrempf wrote:
> From: Frieder Schrempf <frieder.schrempf@...tron.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.
> 
> Fixes: 827c007db5f2 ("arm64: dts: Add support for Kontron OSM-S i.MX8MP SoM and BL carrier board")
> Signed-off-by: Frieder Schrempf <frieder.schrempf@...tron.de>

Applied, thanks!