From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Ni Subject: [PATCH V9 RESEND 08/14] of: add notes of critical trips for soctherm Date: Tue, 29 Mar 2016 18:29:18 +0800 Message-ID: <1459247364-1139-9-git-send-email-wni@nvidia.com> References: <1459247364-1139-1-git-send-email-wni@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from nat-hk.nvidia.com ([203.18.50.4]:17131 "EHLO hkmmgate101.nvidia.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751039AbcC2Kck (ORCPT ); Tue, 29 Mar 2016 06:32:40 -0400 In-Reply-To: <1459247364-1139-1-git-send-email-wni@nvidia.com> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: edubezval@gmail.com, rui.zhang@intel.com, thierry.reding@gmail.com Cc: MLongnecker@nvidia.com, swarren@wwwdotorg.org, mikko.perttunen@kapsi.fi, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Wei Ni The "critical" type trip in thermal zone can be set to SOC_THERM hardware, it can trigger shut down or reset event from hardware. Signed-off-by: Wei Ni Acked-by: Rob Herring --- Documentation/devicetree/bindings/thermal/tegra-soctherm.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt b/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt index 6b68cd150405..351a7376baa8 100644 --- a/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt +++ b/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt @@ -26,6 +26,10 @@ Required properties : of this property. See for a list of valid values when referring to thermal sensors. +Note: +- the "critical" type trip points will be set to SOC_THERM hardware as the +shut down temperature. Once the temperature of this thermal zone is higher +than it, the system will be shutdown or reset by hardware. Example : @@ -51,5 +55,13 @@ Example: referring to thermal sensors : thermal-sensors = <&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>; + + trips { + cpu_shutdown_trip: shutdown-trip { + temperature = <102500>; + hysteresis = <1000>; + type = "critical"; + }; + }; }; }; -- 1.9.1