From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 43BABC433E3 for ; Wed, 19 Aug 2020 07:32:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2BB29206B5 for ; Wed, 19 Aug 2020 07:32:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727087AbgHSHcp (ORCPT ); Wed, 19 Aug 2020 03:32:45 -0400 Received: from muru.com ([72.249.23.125]:41042 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725275AbgHSHcn (ORCPT ); Wed, 19 Aug 2020 03:32:43 -0400 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 966C1807A; Wed, 19 Aug 2020 07:32:42 +0000 (UTC) Date: Wed, 19 Aug 2020 10:33:10 +0300 From: Tony Lindgren To: Adam Ford Cc: linux-omap@vger.kernel.org, aford@beaconembedded.com, =?utf-8?Q?Beno=C3=AEt?= Cousson , Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V3] ARM: dts: omap3: Add cpu trips and cooling map for omap34/36 families Message-ID: <20200819073310.GF2994@atomide.com> References: <20200818125720.10424-1-aford173@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200818125720.10424-1-aford173@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Adam Ford [200818 15:57]: > Currently, OMAP3_THERMAL is disabled by default, so the bandgap sensor > is unavailable, and enabling it will somewhat increase power consumption. > However for boards which operate near their thermal limit, OMAP3_THERMAL > can be enabled and monitored to keep the processor from either running > too fast, or shutdown when it's deemed to be operating at an unsafe > thermal limit at the expense of increased power consumption. > > The OMAP3530, OMAP3630, and DM3730 all show thresholds of 90C and 105C > depending on commercial or extended temperature ratings. > > This patch expands the thermal information to include the limits of > 80C for alert and 90C critical based on commercial temperature rating. > It sets the coolings-cells for the 34xx and 36xx CPU's which will start > to throttle back their maximum frequency when the bangap sensor reads > above the alert temerature of 80C. Thanks applying into omap-for-v5.10/dt. Tony