From nobody Sat Feb 7 06:27:30 2026 Received: from smtp1.tecnico.ulisboa.pt (smtp1.tecnico.ulisboa.pt [193.136.128.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3E2C431DD90; Fri, 26 Dec 2025 12:26:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.136.128.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766752011; cv=none; b=Mk0R6yWqdJ77RiEVJ9wHHrQNAISoHt1hAIlXO+AF096dYnfgNYxWVmnrqa60rGgQoU///LO7U/EPM7OgccyVJ1CQRmDDTkn68zv3Y1zJ/ZP8nC8ydoro46uB91U4df4yukUhLRVFmOvUhKbt0Z9vws4GfoShV61AzDotfF0MIZM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766752011; c=relaxed/simple; bh=LPmJ0dRpHT4hBfwUFXbURMPSiWdJTgqaXBAHigZnfOY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=meejlI9FYR2UC8s/KjL+H8ucvIn/7PcpbJjZWnnsQNv0HkMD6Cj7HrhMm6RQP5ZTABvjR4Jc/PaaOGGLg8RW9booYnoSGvj14dbszBxeHVkIgou2TU/lUYKdWz16kUVGdDhfSUPGWCl19lK/38rSwomPcPgoGLg//PxsR/FTykU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tecnico.ulisboa.pt; spf=pass smtp.mailfrom=tecnico.ulisboa.pt; dkim=pass (2048-bit key) header.d=tecnico.ulisboa.pt header.i=@tecnico.ulisboa.pt header.b=j/NhIEhS; arc=none smtp.client-ip=193.136.128.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tecnico.ulisboa.pt Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tecnico.ulisboa.pt Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tecnico.ulisboa.pt header.i=@tecnico.ulisboa.pt header.b="j/NhIEhS" Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp1.tecnico.ulisboa.pt (Postfix) with ESMTP id 531166002994; Fri, 26 Dec 2025 12:18:01 +0000 (WET) X-Virus-Scanned: by amavis-2.13.0 (20230106) (Debian) at tecnico.ulisboa.pt Received: from smtp1.tecnico.ulisboa.pt ([127.0.0.1]) by localhost (smtp1.tecnico.ulisboa.pt [127.0.0.1]) (amavis, port 10025) with LMTP id Wkz6qmqDOtHM; Fri, 26 Dec 2025 12:17:59 +0000 (WET) Received: from mail1.tecnico.ulisboa.pt (mail1.ist.utl.pt [IPv6:2001:690:2100:1::b3dd:b9ac]) by smtp1.tecnico.ulisboa.pt (Postfix) with ESMTPS id 61E8760029AE; Fri, 26 Dec 2025 12:17:58 +0000 (WET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tecnico.ulisboa.pt; s=mail2; t=1766751478; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=lrAiZQajxWmr2L28Pelew79G5nZQAOdnG1+Yoi4Mu78=; b=j/NhIEhSLKwBNFtnUk+tPXENkZR6TgiJvPXu6xtGDebnFTIiuTrF3PkU2zifpjGVddDKNU tfwP0H97C2Mn+g8wE67efwYjX/Jy7gcFuyKqqdgfM/rbi27m3omPknrVbyvXtJzR8ir7ER u911aha3XR0awD7QR+I0VuIoXyGRJyqSAJWNjni/TUf7lqYDzt/r0/azZSBQY2tOS93+u9 YYeAD9v5CKLIHuQpdukj4ftAr1G2/jmErRVcDoMmZj1IFUzCQyKjVIugRjADDCIGeUHkls s0QQUWBMoxK5skIT5geX+u6jCVmjB80rP0r4MwKaTogdWv5M08iRjKgkRSA3XQ== Received: from [192.168.1.95] (unknown [IPv6:2001:8a0:fbec:a900:d4fe:ebe9:e3bd:bbef]) (Authenticated sender: ist187313) by mail1.tecnico.ulisboa.pt (Postfix) with ESMTPSA id 6B13536011F; Fri, 26 Dec 2025 12:17:57 +0000 (WET) From: Diogo Ivo Date: Fri, 26 Dec 2025 12:17:32 +0000 Subject: [PATCH] arm64: tegra: smaug: Enable DisplayPort via USB-C port Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251226-smaug-typec_dp-v1-1-7eabcd59da4c@tecnico.ulisboa.pt> X-B4-Tracking: v=1; b=H4sIANx8TmkC/x3MQQqAIBBA0avErBN0oKKuEhFDTjaLSrSikO6et HyL/xNEDsIRuiJB4Eui7FuGKQuYFtocK7HZgBorg1iruNLp1PF4nkbrlWkb1IaILDHkyAee5f6 H/fC+H9RLTdZgAAAA X-Change-ID: 20251226-smaug-typec_dp-197201aaadae To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter Cc: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Diogo Ivo X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1766751477; l=1281; i=diogo.ivo@tecnico.ulisboa.pt; s=20251226; h=from:subject:message-id; bh=LPmJ0dRpHT4hBfwUFXbURMPSiWdJTgqaXBAHigZnfOY=; b=dJTztMjVfwSTIPq3fQzE8mne3qNcFrCE9KZCc7ZMXtgysCsE5tHNQmARE6UOG6ZOlXGy2cgdw ZdycZ/1iUsEBYiUpIC6X/lFd0Al3cPc6P6ycK7hLgs//nEAh/5ccM/w X-Developer-Key: i=diogo.ivo@tecnico.ulisboa.pt; a=ed25519; pk=x42OmbZ3iy1p2ofzTP2fyOiZoFfRm462OA8WYYqsVUg= Enable both SOR and DPAUX modules allowing the USB-C port to transmit video in DP altmode. Tested on several monitors with USB-C to HDMI adapter. Signed-off-by: Diogo Ivo --- arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boo= t/dts/nvidia/tegra210-smaug.dts index 49bf23d6f593..b88428aa831e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts @@ -31,6 +31,11 @@ memory@80000000 { }; =20 host1x@50000000 { + dpaux1: dpaux@54040000 { + vdd-supply =3D <&pp3300>; + status =3D "okay"; + }; + dsia: dsi@54300000 { avdd-dsi-csi-supply =3D <&vdd_dsi_csi>; status =3D "okay"; @@ -58,6 +63,13 @@ link1: panel@0 { }; }; =20 + sor1: sor@54580000 { + avdd-io-hdmi-dp-supply =3D <&pp1800>; + vdd-hdmi-dp-pll-supply =3D <&avddio_1v05>; + nvidia,dpaux =3D <&dpaux1>; + status =3D "okay"; + }; + dpaux: dpaux@545c0000 { status =3D "okay"; }; --- base-commit: c100317dc8c40c71bfb572353d87ca1735d39fd5 change-id: 20251226-smaug-typec_dp-197201aaadae Best regards, --=20 Diogo Ivo