From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lf1-f47.google.com (mail-lf1-f47.google.com [209.85.167.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 42E1B322DD0 for ; Tue, 25 Nov 2025 12:06:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764072398; cv=none; b=jaehndESh03klACCxGyCqiGGQr1S3MxdWS1LXqOMBXcESQLiDtghCoy5RqnABiWGdoek89q+Psq9B1declJzdNytzPXr8ht/U+8OSrJUmriziFk49wHi7tFhxOVihgt8yqmblbgq7Jiyhj/9R7Yh86rlNOo5Tr6F0z+m81LbOXM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764072398; c=relaxed/simple; bh=o77K7lBiiNU3Nw2nvrTyKSx17KCtNvOCyjO6rUUasoQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mWpzgJz5UEL8hQ7/sdjoMRTEsNrT8wymRft8RUQOQ47d8DRfxw73hoqiigQ4gPpfDDYgENosAL6Wv8ARJVl+/X04dLOahMv9vPe9/1Smk88cgnyV/dXwDQp/Z0UomeYzqswBLK31waMXVPJN2224zD4xgltcPzxCukRc8xYpqTs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=k/ky/l4V; arc=none smtp.client-ip=209.85.167.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="k/ky/l4V" Received: by mail-lf1-f47.google.com with SMTP id 2adb3069b0e04-591c98ebe90so6753697e87.3 for ; Tue, 25 Nov 2025 04:06:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1764072393; x=1764677193; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=RsY5WeZZQ7LiYwadFo2jc0S+Rqo5NcKeGdtKvFEJRWQ=; b=k/ky/l4VC+e/cR4toTh7IYh1zLV1ZUr6kM7YJSuSQw9LEDgWjpnMwcpzv/E8RSAn31 gEoXnFUFHbGzQRMvjysZq5QsAtaMj6yoi4i6a2yBwJ6y4Jxys7SAwDTYJcuDj7Km8q4M xUwS1W3HVg1DfIUP6lTcWd+A5RdIhn867l/bj17qitb6XDzKckuwCD+5vJMT7sjoweLc LxTNmGNXrJPapNGwaz+LgAlvRgunN5GNVZfZfOC4ADss6MqZBZdFe20gLqOGdVsFssYV 4s3MwmJ0+IbIFdwNB/ZBVFZhxeBJ7BEv2wGRd3owIPfI+bTY0VMK5mzX5FBpmkMsICYj N0jA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764072393; x=1764677193; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=RsY5WeZZQ7LiYwadFo2jc0S+Rqo5NcKeGdtKvFEJRWQ=; b=oKw3DYZ+htdUBhHP23aRpLwLqLZ1y4jhiakiHdTU4pYp7ZI1V6m1CPmEjgpUqUk1Rc JllFEa5uOIWEWAe6OTINVxYCl4HYaZ46ZA2Pc5BdtMPjUJyyZdxYWq31luyvdHYZ4sET kM+L3vbUU6bJwVYOQfX6HbA6WWWRzo332+ZGAM61HRwY47Xa+x4Bh0++NssKHb+sbC5G YlJkkeVmfoWkjJtKP3AI7/SjYawFHgLVlgw00CdbT20goSkW+vZMtY5qDpsWYqi+3In3 am4Cqc4YZZhg+WSbq5PQxiL80ExFGjC6CfkoGc/gWrGEcatARVtlLQOXDapRwD6413Ec PNRQ== X-Forwarded-Encrypted: i=1; AJvYcCVzZ23Jc4eGbMhWjLmtx8NWGv9dk60l7lKHPGAJdKQ9Rn0DDqN6m1wpAVGuHTQNpOjDqtEd+bELgA==@vger.kernel.org X-Gm-Message-State: AOJu0YwdbS6ov9UL0s7nXYTOPwwEIXyYKao3ep5DXhbo4SwQmq9wKLBX ndNLSlfj6u13losqYbVqx+qU0TYHdgH0tdehFwyQE/4bO9ePxg0pKT55 X-Gm-Gg: ASbGncs63kpEw7ULkEjMhKDjxWIGtrUXpsZRwo5XLB9QRaXfhEaNVPkwKnZECgDkq7h SkeizNPRcs4gX4RVy2jKCDD47ouowKhkKucDR8bhMfobLQm4edvKPmLwJyu3GBvrrfwqUE0QQ61 3T1vScd1hN7/GQ3IRheamAyONM0C7Nh4wBqKbgHAAy0GrEAwz3XrKtLBlnGX/M2GKV/Phdh3EU0 kmdvn7TL+rwlLTAnTXso9Qy4MpBJ1tJUBZKAlZ4vSakyq7rRQ6USuvC3FcZz2Z4sgtbjYbXd+i3 slq0+BYVX/8fxQdObpVKSwdH8fcPSQJJ6GmJ7jsxSfk3h+31GoQVveqFYpM4fX20UyKv867IiuA wvvA/F4KRHM9pDAh1ghpIjyotYCamucs/bABKyjk0IRg3XlEq9/a9zFdCPHNwqR+Byp4NUqGBBc +XTBtVDhDaQg== X-Google-Smtp-Source: AGHT+IEdP/dQenZ4+0SzEk4HFyKw5rqkBn8Ymno3xnu3Q7iDvc8YpbqmlkGj2FVO2AanGSctKzK0xA== X-Received: by 2002:a05:6512:2313:b0:58b:8f:2cf3 with SMTP id 2adb3069b0e04-596a3eb8474mr5564452e87.21.1764072392861; Tue, 25 Nov 2025 04:06:32 -0800 (PST) Received: from xeon ([188.163.112.74]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5969dbbecb9sm5150993e87.58.2025.11.25.04.06.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Nov 2025 04:06:32 -0800 (PST) From: Svyatoslav Ryhel To: Krzysztof Kozlowski , Rob Herring , Conor Dooley , Thierry Reding , Thierry Reding , Jonathan Hunter , Prashant Gaikwad , Mikko Perttunen , Michael Turquette , Stephen Boyd , Dmitry Osipenko , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Svyatoslav Ryhel Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v4 11/12] ARM: tegra: Add EMC OPP and ICC properties to Tegra114 EMC and ACTMON device-tree nodes Date: Tue, 25 Nov 2025 14:05:58 +0200 Message-ID: <20251125120559.158860-12-clamor95@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251125120559.158860-1-clamor95@gmail.com> References: <20251125120559.158860-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add EMC OPP tables and interconnect paths that will be used for dynamic memory bandwidth scaling based on memory utilization statistics. Signed-off-by: Svyatoslav Ryhel --- .../dts/nvidia/tegra114-peripherals-opp.dtsi | 151 ++++++++++++++++++ arch/arm/boot/dts/nvidia/tegra114.dtsi | 9 ++ 2 files changed, 160 insertions(+) create mode 100644 arch/arm/boot/dts/nvidia/tegra114-peripherals-opp.dtsi diff --git a/arch/arm/boot/dts/nvidia/tegra114-peripherals-opp.dtsi b/arch/arm/boot/dts/nvidia/tegra114-peripherals-opp.dtsi new file mode 100644 index 000000000000..1a0e68f22039 --- /dev/null +++ b/arch/arm/boot/dts/nvidia/tegra114-peripherals-opp.dtsi @@ -0,0 +1,151 @@ +// SPDX-License-Identifier: GPL-2.0 + +/ { + emc_icc_dvfs_opp_table: opp-table-emc { + compatible = "operating-points-v2"; + + opp-12750000-900 { + opp-microvolt = <900000 900000 1390000>; + opp-hz = /bits/ 64 <12750000>; + opp-supported-hw = <0x000F>; + }; + + opp-20400000-900 { + opp-microvolt = <900000 900000 1390000>; + opp-hz = /bits/ 64 <20400000>; + opp-supported-hw = <0x000F>; + }; + + opp-40800000-900 { + opp-microvolt = <900000 900000 1390000>; + opp-hz = /bits/ 64 <40800000>; + opp-supported-hw = <0x000F>; + }; + + opp-68000000-900 { + opp-microvolt = <900000 900000 1390000>; + opp-hz = /bits/ 64 <68000000>; + opp-supported-hw = <0x000F>; + }; + + opp-102000000-900 { + opp-microvolt = <900000 900000 1390000>; + opp-hz = /bits/ 64 <102000000>; + opp-supported-hw = <0x000F>; + }; + + opp-204000000-900 { + opp-microvolt = <900000 900000 1390000>; + opp-hz = /bits/ 64 <204000000>; + opp-supported-hw = <0x000F>; + opp-suspend; + }; + + opp-312000000-1000 { + opp-microvolt = <1000000 1000000 1390000>; + opp-hz = /bits/ 64 <312000000>; + opp-supported-hw = <0x000F>; + }; + + opp-408000000-1000 { + opp-microvolt = <1000000 1000000 1390000>; + opp-hz = /bits/ 64 <408000000>; + opp-supported-hw = <0x000F>; + }; + + opp-528000000-1050 { + opp-microvolt = <1050000 1050000 1390000>; + opp-hz = /bits/ 64 <528000000>; + opp-supported-hw = <0x000E>; + }; + + opp-528000000-1100 { + opp-microvolt = <1100000 1100000 1390000>; + opp-hz = /bits/ 64 <528000000>; + opp-supported-hw = <0x0001>; + }; + + opp-624000000-1100 { + opp-microvolt = <1100000 1100000 1390000>; + opp-hz = /bits/ 64 <624000000>; + opp-supported-hw = <0x000F>; + }; + + opp-792000000-1100 { + opp-microvolt = <1100000 1100000 1390000>; + opp-hz = /bits/ 64 <792000000>; + opp-supported-hw = <0x000F>; + }; + }; + + emc_bw_dfs_opp_table: opp-table-actmon { + compatible = "operating-points-v2"; + + opp-12750000 { + opp-hz = /bits/ 64 <12750000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <204000>; + }; + + opp-20400000 { + opp-hz = /bits/ 64 <20400000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <326400>; + }; + + opp-40800000 { + opp-hz = /bits/ 64 <40800000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <652800>; + }; + + opp-68000000 { + opp-hz = /bits/ 64 <68000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <1088000>; + }; + + opp-102000000 { + opp-hz = /bits/ 64 <102000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <1632000>; + }; + + opp-204000000 { + opp-hz = /bits/ 64 <204000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <3264000>; + opp-suspend; + }; + + opp-312000000 { + opp-hz = /bits/ 64 <312000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <4992000>; + }; + + opp-408000000 { + opp-hz = /bits/ 64 <408000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <6528000>; + }; + + opp-528000000 { + opp-hz = /bits/ 64 <528000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <8448000>; + }; + + opp-624000000 { + opp-hz = /bits/ 64 <624000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <9984000>; + }; + + opp-792000000 { + opp-hz = /bits/ 64 <792000000>; + opp-supported-hw = <0x000F>; + opp-peak-kBps = <12672000>; + }; + }; +}; diff --git a/arch/arm/boot/dts/nvidia/tegra114.dtsi b/arch/arm/boot/dts/nvidia/tegra114.dtsi index a920ad041c14..6221423b81d1 100644 --- a/arch/arm/boot/dts/nvidia/tegra114.dtsi +++ b/arch/arm/boot/dts/nvidia/tegra114.dtsi @@ -8,6 +8,8 @@ #include #include +#include "tegra114-peripherals-opp.dtsi" + / { compatible = "nvidia,tegra114"; interrupt-parent = <&lic>; @@ -323,6 +325,9 @@ actmon: actmon@6000c800 { clock-names = "actmon", "emc"; resets = <&tegra_car TEGRA114_CLK_ACTMON>; reset-names = "actmon"; + operating-points-v2 = <&emc_bw_dfs_opp_table>; + interconnects = <&mc TEGRA114_MC_MPCORER &emc>; + interconnect-names = "cpu-read"; #cooling-cells = <2>; }; @@ -655,6 +660,7 @@ mc: memory-controller@70019000 { #reset-cells = <1>; #iommu-cells = <1>; + #interconnect-cells = <1>; }; emc: external-memory-controller@7001b000 { @@ -665,6 +671,9 @@ emc: external-memory-controller@7001b000 { clock-names = "emc"; nvidia,memory-controller = <&mc>; + operating-points-v2 = <&emc_icc_dvfs_opp_table>; + + #interconnect-cells = <0>; }; hda@70030000 { -- 2.51.0