Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756316Ab3IOWFt (ORCPT ); Sun, 15 Sep 2013 18:05:49 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:51711 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754429Ab3IOWFr (ORCPT ); Sun, 15 Sep 2013 18:05:47 -0400 From: Eduardo Valentin To: , , , , , , , CC: , , , , , , Eduardo Valentin , =?UTF-8?q?Beno=C3=AEt=20Cousson?= , Tony Lindgren , Russell King , , Subject: [PATCH 08/16] arm: dts: add omap4 CPU thermal data Date: Sun, 15 Sep 2013 18:02:35 -0400 Message-ID: <1379282563-14650-9-git-send-email-eduardo.valentin@ti.com> X-Mailer: git-send-email 1.8.2.1.342.gfa7285d In-Reply-To: <1379282563-14650-1-git-send-email-eduardo.valentin@ti.com> References: <1379282563-14650-1-git-send-email-eduardo.valentin@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2773 Lines: 80 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 | 41 ++++++++++++++++++++++++++++++++ 1 file changed, 41 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..dd69788 --- /dev/null +++ b/arch/arm/boot/dts/omap4-cpu-thermal.dtsi @@ -0,0 +1,41 @@ +/* + * 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 { + passive-delay = <250>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + /* sensor ID */ + sensors = <&bandgap 0>; + + trips { + cpu_alert0: cpu_alert { + temperature = <100000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = ; + }; + cpu_crit: cpu_crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = ; + }; + }; + + cooling-attachments { + attach0 { + trip = <&cpu_alert0>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; +}; -- 1.8.2.1.342.gfa7285d -- 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/