From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B53AC4332D for ; Mon, 21 Dec 2020 18:14:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D68A422D49 for ; Mon, 21 Dec 2020 18:14:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726502AbgLUSOe (ORCPT ); Mon, 21 Dec 2020 13:14:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50288 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726232AbgLUSOW (ORCPT ); Mon, 21 Dec 2020 13:14:22 -0500 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BBCCEC061282 for ; Mon, 21 Dec 2020 10:13:41 -0800 (PST) Received: by mail-wm1-x32e.google.com with SMTP id 3so11822834wmg.4 for ; Mon, 21 Dec 2020 10:13:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=X+KwutHWyzn9PxtO0N7Iinmf9zYdkryZ816NS71BKk8=; b=ldqnx1j7Ks6lRYx/UBvTxWvpVOMc1MSs4mTUo2PPiSCjT6jKuSWNo1JatbusOuJ5d+ G0pp1XqnL/0Jk3u8aJdk3wBIvWX3b+0Bq4Z0xUbSUntDV1j05E9OA8bZOYVOnwmqoVv7 HtgUOw/+DshQZ70V/JebtPpcyiW7frdWWj4ggztpLzJkemtTCsMn4YL39kX1M9cClw7+ 8SBiSZuPWEBUAfvjRtGebyBQLpVkhX7OyL76V8gygAyaw/JYinZesGpBnKxh4aBFk3iP R/jL7T3NmSuQhPlWt3mvIEHG19LUwN6VJI+ngNC7Iw4KkcRs9Cav4T8xa7sH9KYrSpGB E67Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=X+KwutHWyzn9PxtO0N7Iinmf9zYdkryZ816NS71BKk8=; b=lL7Ij5p20bcqKru9tbVk6T2MvfmFF0B2LGeVIUkjBRnujrcuDNRPKgAvlaV0EA6Fa7 D8eOEy44RpEab1CJe9Hnje7EJuOrGMyXxl8gb6qReNXxHdYTWMvVRjxN0tIx4hbEvjDR KUnPc+v/ywF19htzMxhdtTXwmlbBAh2kb9pZYNL+lIzAsw5i8e99uP9jN1qg6ZsL+fpv wWkv3EFfha4G3hW96PTW3ihxUQaH4b3hbnii4aDS0l4na1BLBVKbnB9ULlYKJRErrUEr 9JgD58M1Atzimkth6xOL87N8Ez1tsXcV4yznpNYMzNxQudXD53lkFYW3ebayGXi5lBqH B6bg== X-Gm-Message-State: AOAM530p271c8thAopvpcXB5Cbx9geC94Wv+FidusVBh9uw7U7fK+5QF KqHiYZV30kI1ohs5NkjE3w4= X-Google-Smtp-Source: ABdhPJwf8vXQx3eHs+teSa2YTnl5HqIFCWKxtP2N2IDsGLEMXb60Hsx2tBX///tGDY966BvVeROyIQ== X-Received: by 2002:a1c:2b46:: with SMTP id r67mr17753384wmr.162.1608574420525; Mon, 21 Dec 2020 10:13:40 -0800 (PST) Received: from localhost.localdomain (p200300f137019000428d5cfffeb99db8.dip0.t-ipconnect.de. [2003:f1:3701:9000:428d:5cff:feb9:9db8]) by smtp.googlemail.com with ESMTPSA id m11sm23434936wmi.16.2020.12.21.10.13.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Dec 2020 10:13:39 -0800 (PST) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, khilman@baylibre.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, narmstrong@baylibre.com, Martin Blumenstingl Subject: [PATCH 3/5] ARM: dts: meson8: add the thermal-zones with cooling configuration Date: Mon, 21 Dec 2020 19:13:04 +0100 Message-Id: <20201221181306.904272-4-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201221181306.904272-1-martin.blumenstingl@googlemail.com> References: <20201221181306.904272-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The vendor kernel uses the following thermal-zone settings: <= 70°C: - CPU frequency limited to 1.608GHz - GPU limited to 511MHz and 5 cores (pixel processors) <= 80°C: - CPU frequency limited to 1.2GHz - GPU limited to 435MHz and 4 cores (pixel processors) <= 90°C: - CPU frequency limited to 0.804GHz - GPU limited to 328MHz and 3 cores (pixel processors) Add simplified thermal configuration which is taken from the GXBB/GXL/GXM SoC family (which uses the same manufacturing process and has the same maximum junction temperature of 125°C). With this the thermal framework will try to keep the SoC temperature at or below 80°C which is identical to the vendor kernel (with the exception of one GPU pixel processor). The number of GPU cores are not taken into account as this is not supported. Signed-off-by: Martin Blumenstingl --- arch/arm/boot/dts/meson8.dtsi | 54 +++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi index 04688e8abce2..420324ea2ad7 100644 --- a/arch/arm/boot/dts/meson8.dtsi +++ b/arch/arm/boot/dts/meson8.dtsi @@ -9,6 +9,7 @@ #include #include #include +#include #include "meson.dtsi" / { @@ -28,6 +29,7 @@ cpu0: cpu@200 { resets = <&clkc CLKC_RESET_CPU0_SOFT_RESET>; operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPUCLK>; + #cooling-cells = <2>; /* min followed by max */ }; cpu1: cpu@201 { @@ -39,6 +41,7 @@ cpu1: cpu@201 { resets = <&clkc CLKC_RESET_CPU1_SOFT_RESET>; operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPUCLK>; + #cooling-cells = <2>; /* min followed by max */ }; cpu2: cpu@202 { @@ -50,6 +53,7 @@ cpu2: cpu@202 { resets = <&clkc CLKC_RESET_CPU2_SOFT_RESET>; operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPUCLK>; + #cooling-cells = <2>; /* min followed by max */ }; cpu3: cpu@203 { @@ -61,6 +65,7 @@ cpu3: cpu@203 { resets = <&clkc CLKC_RESET_CPU3_SOFT_RESET>; operating-points-v2 = <&cpu_opp_table>; clocks = <&clkc CLKID_CPUCLK>; + #cooling-cells = <2>; /* min followed by max */ }; }; @@ -190,6 +195,54 @@ power-firmware@4f00000 { }; }; + thermal-zones { + soc { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + thermal-sensors = <&thermal_sensor>; + + cooling-maps { + map0 { + trip = <&soc_passive>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&mali THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + + map1 { + trip = <&soc_hot>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&mali THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + + trips { + soc_passive: soc-passive { + temperature = <80000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + + soc_hot: soc-hot { + temperature = <90000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "hot"; + }; + + soc_critical: soc-critical { + temperature = <110000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + }; + }; + mmcbus: bus@c8000000 { compatible = "simple-bus"; reg = <0xc8000000 0x8000>; @@ -254,6 +307,7 @@ mali: gpu@c0000 { clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_MALI>; clock-names = "bus", "core"; operating-points-v2 = <&gpu_opp_table>; + #cooling-cells = <2>; /* min followed by max */ }; }; }; /* end of / */ -- 2.29.2