From nobody Mon Feb 9 03:13:40 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 D7A2C221739; 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=bDM/Vjfcz3EonQK7kL/SGsFsrxFfGEIJFW2H6aiqQoOC+pp/gUlSAE3T+kUZBb6dD8YQiUjQ6NhOvRn4c9otEtJeNdhYbmorRQQ1FcgT1O5N0nLSRWXPxjaCCtfibFIASnqbThHqQs/EJ8CECg7us15ZM7PnVcOnic97BEWQjrM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761102806; c=relaxed/simple; bh=/ou2szmYLHFv7ykIjQ/e1wg1hrXhydZMIDKjYoStfrw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=AsRbt2TFXeP4lZgV38RED491JmkKoSL0yJ6HnTmX4cagRGP8FW48Wj71I2XR+YX0PChoeCfn8OCQ1y+odW5G804yvWFD7zYnsf/qwtmp6zaXDdhAMgl0D24xG3/SRLxa2oo3yyXyVxIUx86ysqEIPOagliIeZTJ+lO1pSeTedh0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Gl4rVPDu; 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="Gl4rVPDu" Received: by smtp.kernel.org (Postfix) with ESMTPS id 58B04C113D0; 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=/ou2szmYLHFv7ykIjQ/e1wg1hrXhydZMIDKjYoStfrw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=Gl4rVPDun0v1CLoiWW0Nu6vQ8D0cpjMKKwo+alGmalQr/MhF0CK9WNOBoRQf4VxU0 593ouhhCTIhU0hCrQIShg31ilEbud20m5m0j7skrsWVcSQihZyf0cw6u0XVLDWZA6l knOI0X61RBWNkd3QN+4PT9y9yTyzY9wYrJ6j1LuSh7E0g980vJLQ11w9KGM7JQ+nLP g2+LrBQ1tTpJ5d5uuWn4Ve8sPibVfo8N+LKE2XPMy/hI8F5if5f9omht9Rxx1Vlt3i 2MXbDN0p/tzUZ2U8S25Cse+2qamWsjSuI05wtcrr/zRDLk4gFcQXtHfL4tzLYvMeDT AYcH802YlH/ow== 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 46B15CCD1A5; Wed, 22 Oct 2025 03:13:26 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Tue, 21 Oct 2025 22:13:22 -0500 Subject: [PATCH v5 1/3] arm64: tegra: tegra210: Add actmon 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-v5-1-4a4dbc49fbc8@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=1154; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=wlz7VuhgvpflHfZWQNafqWTwhXBSYIJPNM/UlFKQ87I=; b=DaMDkkK2cHyMy2Ob070gvtLJNUxq+kymJLdh642Ql5BFy5V32+ILLY7kEKOLbxpxmY++qMo2y u5XxHDkYywPDSP24LZEjdKBpmnty7XbnL1r5C05ZMdowUZeKD8ReWik 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 This enables the action monitor to facilitate dynamic frequency scaling. Signed-off-by: Aaron Kling --- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts= /nvidia/tegra210.dtsi index 402b0ede1472af625d9d9e811f5af306d436cc98..6da10db893add44a98fde1666c3= 82511212fd43c 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -485,6 +485,18 @@ flow-controller@60007000 { reg =3D <0x0 0x60007000 0x0 0x1000>; }; =20 + actmon@6000c800 { + compatible =3D "nvidia,tegra210-actmon", "nvidia,tegra124-actmon"; + reg =3D <0x0 0x6000c800 0x0 0x400>; + interrupts =3D ; + clocks =3D <&tegra_car TEGRA210_CLK_ACTMON>, + <&tegra_car TEGRA210_CLK_EMC>; + clock-names =3D "actmon", "emc"; + resets =3D <&tegra_car 119>; + reset-names =3D "actmon"; + #cooling-cells =3D <2>; + }; + gpio: gpio@6000d000 { compatible =3D "nvidia,tegra210-gpio", "nvidia,tegra30-gpio"; reg =3D <0x0 0x6000d000 0x0 0x1000>; --=20 2.51.0 From nobody Mon Feb 9 03:13:40 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 From nobody Mon Feb 9 03:13:40 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 D7AEE224AEB; 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; 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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251021-t210-actmon-p4-v5-3-4a4dbc49fbc8@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=4992; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=c3UF+J0NFIjfjdyZNjJHy/D9Hy0JzM3QHoSqUqe7xkk=; b=uQO5bNcyCdCavLybiq9vOT5rJz9pIaej9q9CBYjzcrp/mBA6Wo30kMcc5VK6quaqoL9qIHqGw hmw5635KvnUBk2yMXbL8sBBjeGln6ERuQJpnCHuBnm/eYQvYzQP7hxV 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 This adds OPP tables for actmon and emc, enabling dynamic frequency scaling for ram. Signed-off-by: Aaron Kling --- .../boot/dts/nvidia/tegra210-peripherals-opp.dtsi | 135 +++++++++++++++++= ++++ arch/arm64/boot/dts/nvidia/tegra210.dtsi | 7 ++ 2 files changed, 142 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-peripherals-opp.dtsi b/arc= h/arm64/boot/dts/nvidia/tegra210-peripherals-opp.dtsi new file mode 100644 index 0000000000000000000000000000000000000000..bf2527d737932a1f41aa83d61f4= 4d87ba52b0519 --- /dev/null +++ b/arch/arm64/boot/dts/nvidia/tegra210-peripherals-opp.dtsi @@ -0,0 +1,135 @@ +// SPDX-License-Identifier: GPL-2.0 + +/ { + /* EMC DVFS OPP table */ + emc_icc_dvfs_opp_table: opp-table-dvfs0 { + compatible =3D "operating-points-v2"; + + opp-40800000-800 { + opp-microvolt =3D <800000 800000 1150000>; + opp-hz =3D /bits/ 64 <40800000>; + opp-supported-hw =3D <0x0003>; + }; + + opp-68000000-800 { + opp-microvolt =3D <800000 800000 1150000>; + opp-hz =3D /bits/ 64 <68000000>; + opp-supported-hw =3D <0x0003>; + }; + + opp-102000000-800 { + opp-microvolt =3D <800000 800000 1150000>; + opp-hz =3D /bits/ 64 <102000000>; + opp-supported-hw =3D <0x0003>; + }; + + opp-204000000-800 { + opp-microvolt =3D <800000 800000 1150000>; + opp-hz =3D /bits/ 64 <204000000>; + opp-supported-hw =3D <0x0007>; + opp-suspend; + }; + + opp-408000000-812 { + opp-microvolt =3D <812000 812000 1150000>; + opp-hz =3D /bits/ 64 <408000000>; + opp-supported-hw =3D <0x0003>; + }; + + opp-665600000-825 { + opp-microvolt =3D <825000 825000 1150000>; + opp-hz =3D /bits/ 64 <665600000>; + opp-supported-hw =3D <0x0003>; + }; + + opp-800000000-825 { + opp-microvolt =3D <825000 825000 1150000>; + opp-hz =3D /bits/ 64 <800000000>; + opp-supported-hw =3D <0x0003>; + }; + + opp-1065600000-837 { + opp-microvolt =3D <837000 837000 1150000>; + opp-hz =3D /bits/ 64 <1065600000>; + opp-supported-hw =3D <0x0003>; + }; + + opp-1331200000-850 { + opp-microvolt =3D <850000 850000 1150000>; + opp-hz =3D /bits/ 64 <1331200000>; + opp-supported-hw =3D <0x0003>; + }; + + opp-1600000000-887 { + opp-microvolt =3D <887000 887000 1150000>; + opp-hz =3D /bits/ 64 <1600000000>; + opp-supported-hw =3D <0x0007>; + }; + }; + + /* EMC bandwidth OPP table */ + emc_bw_dfs_opp_table: opp-table-dvfs1 { + compatible =3D "operating-points-v2"; + + opp-40800000 { + opp-hz =3D /bits/ 64 <40800000>; + opp-supported-hw =3D <0x0003>; + opp-peak-kBps =3D <652800>; + }; + + opp-68000000 { + opp-hz =3D /bits/ 64 <68000000>; + opp-supported-hw =3D <0x0003>; + opp-peak-kBps =3D <1088000>; + }; + + opp-102000000 { + opp-hz =3D /bits/ 64 <102000000>; + opp-supported-hw =3D <0x0003>; + opp-peak-kBps =3D <1632000>; + }; + + opp-204000000 { + opp-hz =3D /bits/ 64 <204000000>; + opp-supported-hw =3D <0x0007>; + opp-peak-kBps =3D <3264000>; + opp-suspend; + }; + + opp-408000000 { + opp-hz =3D /bits/ 64 <408000000>; + opp-supported-hw =3D <0x0003>; + opp-peak-kBps =3D <6528000>; + }; + + opp-665600000 { + opp-hz =3D /bits/ 64 <665600000>; + opp-supported-hw =3D <0x0003>; + opp-peak-kBps =3D <10649600>; + }; + + opp-800000000 { + opp-hz =3D /bits/ 64 <800000000>; + opp-supported-hw =3D <0x001F>; + opp-peak-kBps =3D <12800000>; + }; + + opp-1065600000 { + opp-hz =3D /bits/ 64 <1065600000>; + opp-supported-hw =3D <0x0003>; + opp-peak-kBps =3D <17049600>; + }; + + opp-1331200000 { + opp-hz =3D /bits/ 64 <1331200000>; + opp-supported-hw =3D <0x0003>; + opp-peak-kBps =3D <21299200>; + }; + + opp-1600000000 { + opp-hz =3D /bits/ 64 <1600000000>; + opp-supported-hw =3D <0x0007>; + opp-peak-kBps =3D <25600000>; + }; + }; +}; diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts= /nvidia/tegra210.dtsi index 2fcc7a28690f7100d49e8b93c4fb77de7947b002..f2961c9e12db1cf91254b753897= 79955f2a0956d 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -9,6 +9,8 @@ #include #include =20 +#include "tegra210-peripherals-opp.dtsi" + / { compatible =3D "nvidia,tegra210"; interrupt-parent =3D <&lic>; @@ -516,6 +518,9 @@ actmon@6000c800 { clock-names =3D "actmon", "emc"; resets =3D <&tegra_car 119>; reset-names =3D "actmon"; + operating-points-v2 =3D <&emc_bw_dfs_opp_table>; + interconnects =3D <&mc TEGRA210_MC_MPCORER &emc>; + interconnect-names =3D "cpu-read"; #cooling-cells =3D <2>; }; =20 @@ -1024,6 +1029,8 @@ emc: external-memory-controller@7001b000 { clock-names =3D "emc"; interrupts =3D ; nvidia,memory-controller =3D <&mc>; + operating-points-v2 =3D <&emc_icc_dvfs_opp_table>; + #interconnect-cells =3D <0>; #cooling-cells =3D <2>; }; --=20 2.51.0