From nobody Mon Feb 9 13:58:03 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 D79BA41C63; Wed, 22 Oct 2025 03:13:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761102806; cv=none; b=FEEtQrquwWcAx7I5OP4ohqhwN1l/CN02lHfWw7Uhnt52dh6D8+IbLNn7QFIW/7ZURNoVVQtFPsw2uMwF8z+5kGccsQovpdqSt1OXroKNCEykf5JDAoF9bmz2OiEsWbd+oyfQW73dAr5LHAkgPrpCLMS3fQ2+9gMSWTCqeub4pQs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761102806; c=relaxed/simple; bh=318UfLgLWeVCCVkculraQF4zJFJU9xGx6cX42rAYGXU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Qu7U95uvPFwCuiRTkcSz4t5IoDsOqveI0SDpW0NyMZeDhSY6jMSeFZZ3GJzlzUI3BFj2t1gQScyO5L91f8Lrx/AvBr9s4duyjFIqk5zPm+Ov30pqj0LjTeBkR8x/VJJzHe3+Z1R3J5uF0yu3BxkqPqyuAIpvra9O1S3MnBvWkPA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JiH/IfsV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JiH/IfsV" Received: by smtp.kernel.org (Postfix) with ESMTPS id 649B7C4CEFF; Wed, 22 Oct 2025 03:13:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761102806; bh=318UfLgLWeVCCVkculraQF4zJFJU9xGx6cX42rAYGXU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=JiH/IfsVw7CEhV7/8SpnZvfODwiyPa8jfd8FY925Ic9mGAHNhcWzISpMBKvlHPw+l 8yl78ha6LH81ALRaHnxVo8BnxVtbnxp+0K2DqUAugJFZyGOUNJSC8TiQwQS3LWWf8y q1H0fjyXS24K03ShDn3rlDUQyBgio9ctSYrrLh7LLwZHDiLjc1oBosT+SlnjasYlrn gA0i5eowcFrFOWkKMeCXqhjKMOBEc5yLIkwlwOTdOoxTpg2exPVHqXu4q4B6phrpYX mMinZ87g747o/dxYxKbzjmKUveMlobT1f833HLo/JMSlgkfSxcss0YnyJf7Y9oJUr/ /FzYXDOl6xp4A== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 55327CCD1BF; Wed, 22 Oct 2025 03:13:26 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Tue, 21 Oct 2025 22:13:23 -0500 Subject: [PATCH v5 2/3] arm64: tegra: Add interconnect properties to Tegra210 device-tree 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: <20251021-t210-actmon-p4-v5-2-4a4dbc49fbc8@gmail.com> References: <20251021-t210-actmon-p4-v5-0-4a4dbc49fbc8@gmail.com> In-Reply-To: <20251021-t210-actmon-p4-v5-0-4a4dbc49fbc8@gmail.com> 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, Aaron Kling X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1761102805; l=2042; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=ow4cANazhCY0RP1MyRkdGrzne1APbjCWzT7QbzRnuww=; b=ss7sobl98EUAMDh1knMp3o/3+tYfmRvFsY8qj5urx5AO7h74HqoJt6zA0DVUITFNzSWNkDXmm tjDF+vMA5MkBmicwhziUnl0WKrDvSihFgdKsPI9m+FNGQqdK27cDAIa X-Developer-Key: i=webgeek1234@gmail.com; a=ed25519; pk=TQwd6q26txw7bkK7B8qtI/kcAohZc7bHHGSD7domdrU= X-Endpoint-Received: by B4 Relay for webgeek1234@gmail.com/20250217 with auth_id=342 X-Original-From: Aaron Kling Reply-To: webgeek1234@gmail.com From: Aaron Kling Add interconnect properties to the Memory Controller, External Memory Controller and the Display Controller nodes in order to describe hardware interconnection. Signed-off-by: Aaron Kling --- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts= /nvidia/tegra210.dtsi index 6da10db893add44a98fde1666c382511212fd43c..2fcc7a28690f7100d49e8b93c4f= b77de7947b002 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -202,6 +202,19 @@ dc@54200000 { =20 nvidia,outputs =3D <&dsia &dsib &sor0 &sor1>; nvidia,head =3D <0>; + + interconnects =3D <&mc TEGRA210_MC_DISPLAY0A &emc>, + <&mc TEGRA210_MC_DISPLAY0B &emc>, + <&mc TEGRA210_MC_DISPLAY0C &emc>, + <&mc TEGRA210_MC_DISPLAYHC &emc>, + <&mc TEGRA210_MC_DISPLAYD &emc>, + <&mc TEGRA210_MC_DISPLAYT &emc>; + interconnect-names =3D "wina", + "winb", + "winc", + "cursor", + "wind", + "wint"; }; =20 dc@54240000 { @@ -217,6 +230,15 @@ dc@54240000 { =20 nvidia,outputs =3D <&dsia &dsib &sor0 &sor1>; nvidia,head =3D <1>; + + interconnects =3D <&mc TEGRA210_MC_DISPLAY0AB &emc>, + <&mc TEGRA210_MC_DISPLAY0BB &emc>, + <&mc TEGRA210_MC_DISPLAY0CB &emc>, + <&mc TEGRA210_MC_DISPLAYHCB &emc>; + interconnect-names =3D "wina", + "winb", + "winc", + "cursor"; }; =20 dsia: dsi@54300000 { @@ -990,6 +1012,7 @@ mc: memory-controller@70019000 { =20 #iommu-cells =3D <1>; #reset-cells =3D <1>; + #interconnect-cells =3D <1>; }; =20 emc: external-memory-controller@7001b000 { @@ -1001,6 +1024,7 @@ emc: external-memory-controller@7001b000 { clock-names =3D "emc"; interrupts =3D ; nvidia,memory-controller =3D <&mc>; + #interconnect-cells =3D <0>; #cooling-cells =3D <2>; }; =20 --=20 2.51.0