From patchwork Tue Mar 26 11:47:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Przywara X-Patchwork-Id: 13604005 X-Patchwork-Delegate: viresh.linux@gmail.com Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0017E6BFA3; Tue, 26 Mar 2024 11:49:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711453744; cv=none; b=oup0JOeXKPWU0Sf5fdchtYWE3tDIqOlZeW0SOxa/AXpJ65yyaLDTA0ve2tXEAtTEfitoUX/DKcJeUN5Aqsqwa9MPDj7yk9FBGxz+Yto5OtCFxNR6KZFJmSOU34s+eYE9CDBnwfye6pjmqGk4fzaXCaYNa2292CI3pEDIaCkyOsI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711453744; c=relaxed/simple; bh=AY13zhga2SyptkBY3l9uFDK9XYPHZ0lp3hnhVRHb0dk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=epuDHkzjET5+jiTku0rrxCIm4oJM3WrSa8DW/oOSlSIw4Q4I8RNfe925MJuih1JesSQ87hW2XPZEazZjiI2pkHiqyTROmP5V29JSiTCb5LzIiNpPR4y7levpTjpY5kehPTDeGW4irQV2ZKNHlhPND5vikYdPa7JZZFer5B+Oass= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id ECFF6339; Tue, 26 Mar 2024 04:49:35 -0700 (PDT) Received: from donnerap.arm.com (donnerap.manchester.arm.com [10.32.100.28]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id CD2D83F64C; Tue, 26 Mar 2024 04:48:59 -0700 (PDT) From: Andre Przywara To: Yangtao Li , Viresh Kumar , Nishanth Menon , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , "Rafael J . Wysocki" Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Brandon Cheo Fusi , Martin Botka , Martin Botka , Chris Morgan , Ryan Walklin Subject: [PATCH v3 7/8] arm64: dts: allwinner: h616: Add CPU OPPs table Date: Tue, 26 Mar 2024 11:47:42 +0000 Message-Id: <20240326114743.712167-8-andre.przywara@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240326114743.712167-1-andre.przywara@arm.com> References: <20240326114743.712167-1-andre.przywara@arm.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Martin Botka Add an Operating Performance Points table for the CPU cores to enable Dynamic Voltage & Frequency Scaling (DVFS) on the H616. The values were taken from the BSP sources. The (newer) H700 chips we have seen seem to use a separate speed bin, its OPP values were taken from a live system and added to the mix. Also add the needed cpu_speed_grade nvmem cell and the cooling cells properties, to enable passive cooling. Signed-off-by: Martin Botka [Andre: rework to minimise opp-microvolt properties] Signed-off-by: Andre Przywara Acked-by: Jernej Skrabec --- .../dts/allwinner/sun50i-h616-cpu-opp.dtsi | 125 ++++++++++++++++++ .../arm64/boot/dts/allwinner/sun50i-h616.dtsi | 8 ++ 2 files changed, 133 insertions(+) create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h616-cpu-opp.dtsi diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-cpu-opp.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616-cpu-opp.dtsi new file mode 100644 index 0000000000000..6073fdf672592 --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-cpu-opp.dtsi @@ -0,0 +1,125 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +// Copyright (C) 2023 Martin Botka + +/ { + cpu_opp_table: opp-table-cpu { + compatible = "allwinner,sun50i-h616-operating-points"; + nvmem-cells = <&cpu_speed_grade>; + opp-shared; + + opp-480000000 { + opp-hz = /bits/ 64 <480000000>; + opp-microvolt = <900000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x3f>; + }; + + opp-600000000 { + opp-hz = /bits/ 64 <600000000>; + opp-microvolt = <900000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x12>; + }; + + opp-720000000 { + opp-hz = /bits/ 64 <720000000>; + opp-microvolt = <900000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x2d>; + }; + + opp-792000000 { + opp-hz = /bits/ 64 <792000000>; + opp-microvolt-speed1 = <900000>; + opp-microvolt-speed4 = <940000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x12>; + }; + + opp-936000000 { + opp-hz = /bits/ 64 <936000000>; + opp-microvolt = <900000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x0d>; + }; + + opp-1008000000 { + opp-hz = /bits/ 64 <1008000000>; + opp-microvolt-speed0 = <950000>; + opp-microvolt-speed1 = <940000>; + opp-microvolt-speed2 = <950000>; + opp-microvolt-speed3 = <950000>; + opp-microvolt-speed4 = <1020000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x1f>; + }; + + opp-10320000 { + opp-hz = /bits/ 64 <1032000000>; + opp-microvolt = <900000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x20>; + }; + + opp-1104000000 { + opp-hz = /bits/ 64 <1104000000>; + opp-microvolt-speed0 = <1000000>; + opp-microvolt-speed2 = <1000000>; + opp-microvolt-speed3 = <1000000>; + opp-microvolt-speed5 = <950000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x2d>; + }; + + opp-1200000000 { + opp-hz = /bits/ 64 <1200000000>; + opp-microvolt-speed0 = <1050000>; + opp-microvolt-speed1 = <1020000>; + opp-microvolt-speed2 = <1050000>; + opp-microvolt-speed3 = <1050000>; + opp-microvolt-speed4 = <1100000>; + opp-microvolt-speed5 = <1020000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x3f>; + }; + + opp-1320000000 { + opp-hz = /bits/ 64 <1320000000>; + opp-microvolt = <1100000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x1d>; + }; + + opp-1416000000 { + opp-hz = /bits/ 64 <1416000000>; + opp-microvolt = <1100000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x2d>; + }; + + opp-1512000000 { + opp-hz = /bits/ 64 <1512000000>; + opp-microvolt-speed1 = <1100000>; + opp-microvolt-speed3 = <1100000>; + opp-microvolt-speed5 = <1160000>; + clock-latency-ns = <244144>; /* 8 32k periods */ + opp-supported-hw = <0x2a>; + }; + }; +}; + +&cpu0 { + operating-points-v2 = <&cpu_opp_table>; +}; + +&cpu1 { + operating-points-v2 = <&cpu_opp_table>; +}; + +&cpu2 { + operating-points-v2 = <&cpu_opp_table>; +}; + +&cpu3 { + operating-points-v2 = <&cpu_opp_table>; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi index b2e85e52d1a12..c0fa466fa9f07 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi @@ -26,6 +26,7 @@ cpu0: cpu@0 { reg = <0>; enable-method = "psci"; clocks = <&ccu CLK_CPUX>; + #cooling-cells = <2>; }; cpu1: cpu@1 { @@ -34,6 +35,7 @@ cpu1: cpu@1 { reg = <1>; enable-method = "psci"; clocks = <&ccu CLK_CPUX>; + #cooling-cells = <2>; }; cpu2: cpu@2 { @@ -42,6 +44,7 @@ cpu2: cpu@2 { reg = <2>; enable-method = "psci"; clocks = <&ccu CLK_CPUX>; + #cooling-cells = <2>; }; cpu3: cpu@3 { @@ -50,6 +53,7 @@ cpu3: cpu@3 { reg = <3>; enable-method = "psci"; clocks = <&ccu CLK_CPUX>; + #cooling-cells = <2>; }; }; @@ -156,6 +160,10 @@ sid: efuse@3006000 { ths_calibration: thermal-sensor-calibration@14 { reg = <0x14 0x8>; }; + + cpu_speed_grade: cpu-speed-grade@0 { + reg = <0x0 2>; + }; }; watchdog: watchdog@30090a0 {