From patchwork Mon Jan 12 04:34:03 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 5607761 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 3F0AC9F358 for ; Mon, 12 Jan 2015 04:34:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7D8992051C for ; Mon, 12 Jan 2015 04:34:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 782BF20643 for ; Mon, 12 Jan 2015 04:34:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750787AbbALEeW (ORCPT ); Sun, 11 Jan 2015 23:34:22 -0500 Received: from smtp.csie.ntu.edu.tw ([140.112.30.61]:44972 "EHLO smtp.csie.ntu.edu.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750724AbbALEeU (ORCPT ); Sun, 11 Jan 2015 23:34:20 -0500 Received: from mirror2.csie.ntu.edu.tw (mirror2.csie.ntu.edu.tw [140.112.30.76]) (Authenticated sender: b93043) by smtp.csie.ntu.edu.tw (Postfix) with ESMTPSA id 24E3C20993; Mon, 12 Jan 2015 12:34:16 +0800 (CST) Received: by mirror2.csie.ntu.edu.tw (Postfix, from userid 1000) id 01D705FB6D; Mon, 12 Jan 2015 12:34:15 +0800 (CST) From: Chen-Yu Tsai To: Maxime Ripard , Dmitry Torokhov , Zhang Rui , Eduardo Valentin Cc: Chen-Yu Tsai , Hans de Goede , linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Subject: [PATCH v3 3/9] ARM: dts: sun7i: Add cpu thermal zones to dtsi Date: Mon, 12 Jan 2015 12:34:03 +0800 Message-Id: <1421037249-28461-4-git-send-email-wens@csie.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1421037249-28461-1-git-send-email-wens@csie.org> References: <1421037249-28461-1-git-send-email-wens@csie.org> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 core temperature sensor now supports thermal zones. Add a thermal zone mapping for the cpus with passive cooling (cpufreq throttling). Signed-off-by: Chen-Yu Tsai Acked-by: Eduardo Valentin --- changes since v2: - Added Acked-by from Eduardo changes since v1: - Use thermal dt bindings macros in cooling-device --- arch/arm/boot/dts/sun7i-a20.dtsi | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi index c2e964939991..61780b144745 100644 --- a/arch/arm/boot/dts/sun7i-a20.dtsi +++ b/arch/arm/boot/dts/sun7i-a20.dtsi @@ -50,6 +50,7 @@ #include "skeleton.dtsi" #include +#include #include #include @@ -116,6 +117,38 @@ }; }; + thermal-zones { + cpu_thermal { + /* milliseconds */ + polling-delay-passive = <250>; + polling-delay = <1000>; + thermal-sensors = <&rtp>; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + + trips { + cpu_alert0: cpu_alert0 { + /* milliCelsius */ + temperature = <75000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_crit: cpu_crit { + /* milliCelsius */ + temperature = <100000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; + memory { reg = <0x40000000 0x80000000>; };