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: 2849160 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C8B92BF546 for ; Fri, 23 Aug 2013 23:22:10 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E00DE2040F for ; Fri, 23 Aug 2013 23:22:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F2BD7203EA for ; Fri, 23 Aug 2013 23:22:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756377Ab3HWXSx (ORCPT ); Fri, 23 Aug 2013 19:18:53 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:35511 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755156Ab3HWXSv (ORCPT ); Fri, 23 Aug 2013 19:18:51 -0400 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: , , , , , , , , CC: , , , , , Eduardo Valentin , =?UTF-8?q?Beno=C3=AEt=20Cousson?= , Tony Lindgren , Russell King , , 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 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-9.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 */ + }; + }; +};