From mboxrd@z Thu Jan 1 00:00:00 1970 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 D78572820CE; Sat, 6 Sep 2025 20:17:35 +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=1757189856; cv=none; b=qPhl9mHo/LptYy59pZ0hQe5U8EuC3rgaR6GLFOEIvigjLxk2Y/BIdglnBBWe5agF+IbEV/7pSWxxWO5wilXRcElAGberhjCWvQdQq8U7Ffk2kiwUq9SeHZGQ4m9qAfOI3Qc00rKD4p0QIxFXMES5pSx/zPff1CnFlToYQEK9StI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757189856; c=relaxed/simple; bh=h4FTk8uGgBle/y65Nq0TPLgDFPCw5v0+bcCx/Z5KdoY=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=OmG32ekVvUZu+o2+rN39rj8ka3SgN6L/6b6gfvKNIviIlyEk7wJYrOGyWhM9qp5LeIwwxwSjmfpSc6dG5PzBo/TwhaG3kvsL2WLecNXYYDi5ckzpkJbclFnbz/fsmlVypgTiqnkEqpsxRDPqK2KgsLWis69bQESdT5hHvhngYWY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KFDqry8n; 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="KFDqry8n" Received: by smtp.kernel.org (Postfix) with ESMTPS id 5FFA3C4CEE7; Sat, 6 Sep 2025 20:17:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757189855; bh=h4FTk8uGgBle/y65Nq0TPLgDFPCw5v0+bcCx/Z5KdoY=; h=From:Subject:Date:To:Cc:Reply-To:From; b=KFDqry8nwsK0GkLVAb0KUNBSfqDf4l5/sZSyOWmfnzDk13ZSKdf8q97uc6ZJT5+OI 6WF8GJpPnT7yUJf9mQ7gxASCiKDrqXRiYAxmTR87ZL726piU81KYJnhwg13bQ8qDaV hAclzJ84L2ARRMiMDMa3jc0cN2ZxAfaIgDPy8g66jqolFwoARcf1XHvc1IXARoE5fX Rdu55q0jqjh/CdhNjVzCYCY3mNTwgZjMu3q4HjcaN3qYuXiC+zZEwWiUSmzPDOeWJf YCUsJjfuhM7IHBgx60fby7Xm/WCYcryVb960gi6eMFZTsqtsRvh5oo/FZN1yIYcEVb 1wWIu0x7dCnkQ== 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 4DEC8CA0FED; Sat, 6 Sep 2025 20:17:35 +0000 (UTC) From: Aaron Kling via B4 Relay Subject: [PATCH v3 0/9] Support Tegra210 actmon for dynamic EMC scaling Date: Sat, 06 Sep 2025 15:16:50 -0500 Message-Id: <20250906-t210-actmon-v3-0-1403365d571e@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIALKWvGgC/1WPy26DMBREfwV5XVd+BsOq/1F1YewxsVRwYlPUK uLf60ClJrs7VzqjMzdSkCMK6ZsbyVhjiWmuQb40xJ3tPIJGXzMRTGhmhKCL4Ixat0xpplJ1TDm 08MyRSlwyQvze294/jpxx/aqly/Ekgy2gLk1TXPrGBG0hmT91vtVKAmC+ZcxIb4PyMAFce200e ZTpm0OFVxWM2d51ygXwiaqWnToOMxjn+lWSu8I5liXln33fyneHvynmacrKab0x8A6OB6HU2zj Z+PlaXfeeVfyzHZPPrKhsdddSeRUM7CO7bdsvOGDbWWUBAAA= X-Change-ID: 20250822-t210-actmon-34904ce7ed0c To: Krzysztof Kozlowski , Rob Herring , Conor Dooley , Thierry Reding , Jonathan Hunter , Krzysztof Kozlowski , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Dmitry Osipenko Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, Aaron Kling , Chanwoo Choi , Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1757189854; l=2455; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=h4FTk8uGgBle/y65Nq0TPLgDFPCw5v0+bcCx/Z5KdoY=; b=b9Y+H4bMc73RlGZcMc7ikgg9jzQGNldmcACy+D5eogJeLGBv7nbHnNZh1tC3mrIxMzNr56E7+ jyrYRKp1puRA5xQlYW2atZ9oJQII2zNLN4tCPC2rB7LR7lSZCB9/jiw 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 This series adds interconnect support to tegra210 MC and EMC, then enables actmon. This enables dynamic emc scaling. There are no cross-subsystem hard dependencies, only logical relations. The subsystems can be merged in any order. Signed-off-by: Aaron Kling --- Changes in v3: - In patch 5, don't fail mc probe if opp tables are missing - Add more mc bindings to patch 1 - Add patch to use tegra210-mc bindings in the mc driver - Re-order series to align patches within a subsystem to each other - Link to v2: https://lore.kernel.org/r/20250903-t210-actmon-v2-0-e0d534d4f8ea@gmail.com Changes in v2: - Assume 64-bit dram bus width in patch 4 - Add dt-bindings patch to document the new properties on the tegra210-emc node. - Link to v1: https://lore.kernel.org/r/20250828-t210-actmon-v1-0-aeb19ec1f244@gmail.com --- Aaron Kling (9): dt-bindings: devfreq: tegra30-actmon: Add Tegra124 fallback for Tegra210 dt-bindings: memory: tegra210: emc: Document OPP table and interconnect dt-bindings: memory: tegra210: Add memory client IDs memory: tegra210: Use bindings for client ids memory: tegra210: Support interconnect framework soc: tegra: fuse: speedo-tegra210: Add soc speedo 2 arm64: tegra: tegra210: Add actmon arm64: tegra: Add interconnect properties to Tegra210 device-tree arm64: tegra: Add OPP tables on Tegra210 .../bindings/devfreq/nvidia,tegra30-actmon.yaml | 13 +- .../memory-controllers/nvidia,tegra210-emc.yaml | 11 + .../boot/dts/nvidia/tegra210-peripherals-opp.dtsi | 135 ++++++++++ arch/arm64/boot/dts/nvidia/tegra210.dtsi | 43 ++++ drivers/memory/tegra/Kconfig | 1 + drivers/memory/tegra/tegra210-emc-core.c | 272 ++++++++++++++++++++- drivers/memory/tegra/tegra210-emc.h | 23 ++ drivers/memory/tegra/tegra210.c | 227 +++++++++++------ drivers/soc/tegra/fuse/speedo-tegra210.c | 1 + include/dt-bindings/memory/tegra210-mc.h | 74 ++++++ 10 files changed, 720 insertions(+), 80 deletions(-) --- base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585 change-id: 20250822-t210-actmon-34904ce7ed0c prerequisite-change-id: 20250812-tegra210-speedo-470691e8b8cc:v3 prerequisite-patch-id: f693f138b5d40cdc45d9066ce48cbcff782253f8 Best regards, -- Aaron Kling