From patchwork Thu Nov 5 05:18:03 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caesar Wang X-Patchwork-Id: 7557531 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 90A789F4F5 for ; Thu, 5 Nov 2015 05:20:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A674D20801 for ; Thu, 5 Nov 2015 05:20:38 +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 8E5EB2080C for ; Thu, 5 Nov 2015 05:20:37 +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 1ZuCyS-0007rc-Um; Thu, 05 Nov 2015 05:20:36 +0000 Received: from mail-pa0-f67.google.com ([209.85.220.67]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZuCxc-0005qB-GL; Thu, 05 Nov 2015 05:19:50 +0000 Received: by padda3 with SMTP id da3so9421219pad.1; Wed, 04 Nov 2015 21:19:24 -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=O4CqDGqxy+P58dDQzs9Os+LUv0Aul9utJ1Ekn+eOfOA=; b=JKFFytqXvjHm3ZxiZSpdN7UkSncCsD6SzfPN3fKQDT8rKgN3ez7D9uHdNOLcK+z+nD 7EVa5ZTc8/ZK7QhTseJBY66hkSz0XTbsiiyM1kwxqfk7v+0m9mKkAkjGAAC/h/ughkGc sM4gmW+sJ8Xtp92ETvKc3EJVOWJsbVX0TwBF/moAYkPzhQILtvbBsDY+uAblgTX7PU/2 p6bN8s6yEEDDyWpWSNJp2916RI/vZ4iOrmydTObzdZUaaR09MWyh7G6wOQEBAWOw02N1 3gNN2ZMlNFw7FN9txB4XnxpQmAaH6lEoR4NI4lcLglejdKUlaMTND+4EXm5L7wn1tKo5 Zayw== X-Received: by 10.68.209.135 with SMTP id mm7mr6863215pbc.37.1446700763988; Wed, 04 Nov 2015 21:19:23 -0800 (PST) Received: from localhost.localdomain ([103.47.144.40]) by smtp.gmail.com with ESMTPSA id ix1sm5234147pbd.40.2015.11.04.21.19.14 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 04 Nov 2015 21:19:22 -0800 (PST) From: Caesar Wang To: Heiko Stuebner , Eduardo Valentin Subject: [PATCH v2 7/9] arm64: dts: Add the thermal data found on RK3368 Date: Thu, 5 Nov 2015 13:18:03 +0800 Message-Id: <1446700685-18017-8-git-send-email-wxt@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1446700685-18017-1-git-send-email-wxt@rock-chips.com> References: <1446700685-18017-1-git-send-email-wxt@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151104_211945_012778_5725E6B0 X-CRM114-Status: GOOD ( 19.50 ) X-Spam-Score: -2.4 (--) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, 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-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=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 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>; + }; + }; +};