linux-kernel - [PATCH] arm64: tegra: Set usb micro-b port to otg mode on P3450

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Message-Id: <20250526-p3450-otg-v1-1-acb80ca2dc63@gmail.com>
Date: Mon, 26 May 2025 20:22:26 -0500
From: Aaron Kling via B4 Relay <devnull+webgeek1234.gmail.com@...nel.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>
Cc: devicetree@...r.kernel.org, linux-tegra@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Aaron Kling <webgeek1234@...il.com>
Subject: [PATCH] arm64: tegra: Set usb micro-b port to otg mode on P3450

From: Aaron Kling <webgeek1234@...il.com>

The usb micro-b port on p3450 is capable of otg and doesn't need
hardcoded to peripheral. No other supported tegra device is set up like
this, so align for consistency.

Signed-off-by: Aaron Kling <webgeek1234@...il.com>
---
 arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
index 0ecdd7243b2eb1abba9adbe9a404b226c29b85ef..019484a271c396edc30200e8592c713455a8e1a4 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
@@ -514,7 +514,7 @@ pcie-6 {
 		ports {
 			usb2-0 {
 				status = "okay";
-				mode = "peripheral";
+				mode = "otg";
 				usb-role-switch;
 
 				vbus-supply = <&vdd_5v0_usb>;

---
base-commit: 405e6c37c89ef0df2bfc7a988820a3df22dacb1b
change-id: 20250513-p3450-otg-b947f31843d8

Best regards,
-- 
Aaron Kling <webgeek1234@...il.com>