From patchwork Mon Nov 9 04:49:00 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caesar Wang X-Patchwork-Id: 7580861 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 2C66CC05C6 for ; Mon, 9 Nov 2015 04:53:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2B93E20773 for ; Mon, 9 Nov 2015 04:53:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 24ED520772 for ; Mon, 9 Nov 2015 04:53:45 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZveQw-0005E3-1G; Mon, 09 Nov 2015 04:51:58 +0000 Received: from mail-pa0-f48.google.com ([209.85.220.48]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZvePT-0002rC-Us; Mon, 09 Nov 2015 04:50:29 +0000 Received: by pabfh17 with SMTP id fh17so186292847pab.0; Sun, 08 Nov 2015 20:50:07 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=R1jIYNZbKePl/leXxFW1/EI9KfqG7xfbGftLqqM017k=; b=Cg6uHQoJlyl7kaZOvtzk944A8/LPXlm3U/1THLQ0s6i1ZiAtCn4v+W127mz9SlI7BY IJ2bLLKvhyVbBg1HLinI6CJ6lycdn7nFC4hL2T5Fe2eEjOIKc+C1guZOWclrO8eRu2Zy Qs3Y5UOhmjZmgRGsmY+2+ZiOqvSQAiMtLpO94OOleX5qYZxe3p5PQLJC8iyF1ZnrWxfj zaGPmG32UEtr15lWwH2kmSem29GscuzCgZvFA5mTP12v/eb2faw0a/agcVRaTxJ14t/h NmhTcv8aoMOAhwIWwLUpicrIep+00GboZaX1SryMvq3z9cxU7e3v0AWC3bryQNKsMhJi fSYA== X-Received: by 10.66.122.39 with SMTP id lp7mr37244516pab.74.1447044606889; Sun, 08 Nov 2015 20:50:06 -0800 (PST) Received: from localhost.localdomain ([43.226.228.153]) by smtp.gmail.com with ESMTPSA id nu5sm13403833pbb.65.2015.11.08.20.50.00 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 08 Nov 2015 20:50:05 -0800 (PST) From: Caesar Wang To: Heiko Stuebner , Eduardo Valentin Subject: [PATCH v4 08/10] arm64: dts: Add the thermal data found on RK3368 Date: Mon, 9 Nov 2015 12:49:00 +0800 Message-Id: <1447044542-30859-9-git-send-email-wxt@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1447044542-30859-1-git-send-email-wxt@rock-chips.com> References: <1447044542-30859-1-git-send-email-wxt@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151108_205028_153479_33F3162C X-CRM114-Status: GOOD ( 19.72 ) X-Spam-Score: -2.4 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, lkp@intel.com, Pawel Moll , Ian Campbell , Catalin Marinas , Dmitry Torokhov , Will Deacon , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Rob Herring , Kumar Gala , linux-arm-kernel@lists.infradead.org, Caesar Wang MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patchset add the thermal for RK3368 dts, Since the two CPU clusters, with four CPU core for each cluster, One cluster is optimized for high-performance(big cluster) and the othe is optimized for low power(little cluster). This patch adds the second order for thermal throttle, and the critical temperature for thermal over-tempeature protection on Software. Signed-off-by: Caesar Wang Acked-by: Eduardo Valentin --- Changes in v4: None Changes in v3: None Changes in v2: None Changes in v1: None arch/arm64/boot/dts/rockchip/rk3368-thermal.dtsi | 112 +++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 arch/arm64/boot/dts/rockchip/rk3368-thermal.dtsi diff --git a/arch/arm64/boot/dts/rockchip/rk3368-thermal.dtsi b/arch/arm64/boot/dts/rockchip/rk3368-thermal.dtsi new file mode 100644 index 0000000..a10010f --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3368-thermal.dtsi @@ -0,0 +1,112 @@ +/* + * Device Tree Source for RK3368 SoC thermal + * + * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd + * Caesar Wang + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include + +cpu_thermal: cpu_thermal { + polling-delay-passive = <100>; /* milliseconds */ + polling-delay = <5000>; /* milliseconds */ + + thermal-sensors = <&tsadc 0>; + + trips { + cpu_alert0: cpu_alert0 { + temperature = <75000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + cpu_alert1: cpu_alert1 { + temperature = <80000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + cpu_crit: cpu_crit { + temperature = <95000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = + <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + map1 { + trip = <&cpu_alert1>; + cooling-device = + <&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; + +gpu_thermal: gpu_thermal { + polling-delay-passive = <100>; /* milliseconds */ + polling-delay = <5000>; /* milliseconds */ + + thermal-sensors = <&tsadc 1>; + + trips { + gpu_alert0: gpu_alert0 { + temperature = <80000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + gpu_crit: gpu_crit { + temperature = <1150000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&gpu_alert0>; + cooling-device = + <&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +};