From patchwork Fri Aug 23 23:15:47 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eduardo Valentin X-Patchwork-Id: 2849124 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 46A1C9F271 for ; Fri, 23 Aug 2013 23:18:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5874720365 for ; Fri, 23 Aug 2013 23:18:21 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 10C2B20362 for ; Fri, 23 Aug 2013 23:18:20 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VD0cF-00050J-Qc; Fri, 23 Aug 2013 23:18:04 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VD0cD-0000SC-Bl; Fri, 23 Aug 2013 23:18:01 +0000 Received: from devils.ext.ti.com ([198.47.26.153]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VD0c8-0000RK-LA for linux-arm-kernel@lists.infradead.org; Fri, 23 Aug 2013 23:17:59 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id r7NNHLvx005876; Fri, 23 Aug 2013 18:17:21 -0500 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id r7NNHL04007644; Fri, 23 Aug 2013 18:17:21 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.2.342.3; Fri, 23 Aug 2013 18:17:20 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id r7NNHKZc020550; Fri, 23 Aug 2013 18:17:20 -0500 Received: from localhost (h68-1.vpn.ti.com [172.24.68.1]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id r7NNHBt22728; Fri, 23 Aug 2013 18:17:11 -0500 (CDT) From: Eduardo Valentin To: , , , , , , , , Subject: [RFC PATCH 06/14] arm: dts: add omap4 CPU thermal data Date: Fri, 23 Aug 2013 19:15:47 -0400 Message-ID: <1377299755-5134-7-git-send-email-eduardo.valentin@ti.com> X-Mailer: git-send-email 1.8.2.1.342.gfa7285d In-Reply-To: <1377299755-5134-1-git-send-email-eduardo.valentin@ti.com> References: <1377299755-5134-1-git-send-email-eduardo.valentin@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130823_191757_049339_36B975BE X-CRM114-Status: GOOD ( 12.38 ) X-Spam-Score: -9.7 (---------) Cc: devicetree@vger.kernel.org, durgadoss.r@intel.com, linux-pm@vger.kernel.org, Tony Lindgren , linux-kernel@vger.kernel.org, lm-sensors@lm-sensors.org, Eduardo Valentin , linux-arm-kernel@lists.infradead.org, Russell King , linux-omap@vger.kernel.org, =?UTF-8?q?Beno=C3=AEt=20Cousson?= X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 patch changes a dtsi file to contain the thermal data for MPU domain on OMAP4 and later SoCs. This data will enable the passive cooling with CPUfreq cooling device at 100C and the system will do a thermal shutdown at 125C. This thermal data can be reused across TI SoC devices. Cc: "Benoît Cousson" Cc: Tony Lindgren Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: Russell King Cc: linux-omap@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin --- arch/arm/boot/dts/omap4-cpu-thermal.dtsi | 40 ++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 arch/arm/boot/dts/omap4-cpu-thermal.dtsi diff --git a/arch/arm/boot/dts/omap4-cpu-thermal.dtsi b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi new file mode 100644 index 0000000..d74c565 --- /dev/null +++ b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi @@ -0,0 +1,40 @@ + +/* + * Device Tree Source for OMAP4/5 SoC CPU thermal + * + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ + * Contact: Eduardo Valentin + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include + +cpu_thermal: cpu_thermal { + #thermal-cells = <1>; + mask = <0x03>; /* trips writability */ + passive_delay = <250>; /* milliseconds */ + polling_delay = <1000>; /* milliseconds */ + trips { + alert@100000{ + temperature = <100000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = ; + }; + crit@125000{ + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = ; + }; + }; + bind_params { + action@0{ + cooling_device = "thermal-cpufreq"; + weight = <100>; /* percentage */ + mask = <0x01>; + /* no limits, using defaults */ + }; + }; +};