Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031195AbbKEFT1 (ORCPT ); Thu, 5 Nov 2015 00:19:27 -0500 Received: from mail-pa0-f68.google.com ([209.85.220.68]:36794 "EHLO mail-pa0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030498AbbKEFTY (ORCPT ); Thu, 5 Nov 2015 00:19:24 -0500 From: Caesar Wang To: Heiko Stuebner , Eduardo Valentin Cc: linux-rockchip@lists.infradead.org, Caesar Wang , devicetree@vger.kernel.org, Kumar Gala , linux-kernel@vger.kernel.org, Ian Campbell , Rob Herring , Dmitry Torokhov , Pawel Moll , Will Deacon , Mark Rutland , Catalin Marinas , linux-arm-kernel@lists.infradead.org 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> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4789 Lines: 144 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 --- 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>; + }; + }; +}; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/