From patchwork Tue Mar 29 09:17:46 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Ni X-Patchwork-Id: 8684231 X-Patchwork-Delegate: eduardo.valentin@ti.com Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 0D59A9FDCC for ; Tue, 29 Mar 2016 09:17:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3D39D201DD for ; Tue, 29 Mar 2016 09:17:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B1AD20272 for ; Tue, 29 Mar 2016 09:17:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756590AbcC2JRe (ORCPT ); Tue, 29 Mar 2016 05:17:34 -0400 Received: from nat-hk.nvidia.com ([203.18.50.4]:64184 "EHLO hkmmgate101.nvidia.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756573AbcC2JRb (ORCPT ); Tue, 29 Mar 2016 05:17:31 -0400 Received: from hkpgpgate101.nvidia.com (Not Verified[10.18.92.9]) by hkmmgate101.nvidia.com id ; Tue, 29 Mar 2016 17:18:47 +0800 Received: from HKMAIL101.nvidia.com ([10.18.67.137]) by hkpgpgate101.nvidia.com (PGP Universal service); Tue, 29 Mar 2016 02:17:24 -0700 X-PGP-Universal: processed; by hkpgpgate101.nvidia.com on Tue, 29 Mar 2016 02:17:24 -0700 Received: from niwei-dev.nvidia.com (10.19.224.146) by HKMAIL101.nvidia.com (10.18.16.10) with Microsoft SMTP Server (TLS) id 15.0.1130.7; Tue, 29 Mar 2016 09:17:21 +0000 From: Wei Ni To: , , CC: , , , , , , Wei Ni Subject: [PATCH V9 08/14] of: add notes of critical trips for soctherm Date: Tue, 29 Mar 2016 17:17:46 +0800 Message-ID: <1459243066-25468-1-git-send-email-wni@nvidia.com> X-Mailer: git-send-email 1.9.1 X-NVConfidentiality: public MIME-Version: 1.0 X-Originating-IP: [10.19.224.146] X-ClientProxiedBy: DRBGMAIL103.nvidia.com (10.18.16.22) To HKMAIL101.nvidia.com (10.18.16.10) Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-7.9 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 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"; + }; + }; }; };