From patchwork Thu Feb 26 13:59:34 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Majewski X-Patchwork-Id: 5893611 Return-Path: X-Original-To: patchwork-linux-samsung-soc@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 58BC29F269 for ; Thu, 26 Feb 2015 14:07:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7F9E820211 for ; Thu, 26 Feb 2015 14:07:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B23CE20398 for ; Thu, 26 Feb 2015 14:07:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932124AbbBZOAQ (ORCPT ); Thu, 26 Feb 2015 09:00:16 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:24155 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932368AbbBZOAO (ORCPT ); Thu, 26 Feb 2015 09:00:14 -0500 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NKD00B47TKCB710@mailout1.samsung.com>; Thu, 26 Feb 2015 23:00:12 +0900 (KST) X-AuditID: cbfee61b-f79d76d0000024d6-57-54ef26ec5d7a Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id BF.04.09430.CE62FE45; Thu, 26 Feb 2015 23:00:12 +0900 (KST) Received: from mcdsrvbld02.digital.local ([106.116.37.23]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0NKD00J76TJFTR60@mmp2.samsung.com>; Thu, 26 Feb 2015 23:00:12 +0900 (KST) From: Lukasz Majewski To: Eduardo Valentin , Kamil Debski , Jean Delvare , Guenter Roeck , Kukjin Kim Cc: lm-sensors@lm-sensors.org, Linux PM list , "linux-samsung-soc@vger.kernel.org" , devicetree@vger.kernel.org, Lukasz Majewski , Kukjin Kim , linux-kernel@vger.kernel.org, Sjoerd Simons , Abhilash Kesavan , Abhilash Kesavan , Lukasz Majewski Subject: [PATCH v6 3/6] ARM: dts: Add properties to use pwm-fan device as a cooling device in Odroid U3 Date: Thu, 26 Feb 2015 14:59:34 +0100 Message-id: <1424959177-28739-4-git-send-email-l.majewski@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1424959177-28739-1-git-send-email-l.majewski@samsung.com> References: <1418897591-18332-1-git-send-email-l.majewski@samsung.com> <1424959177-28739-1-git-send-email-l.majewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrKLMWRmVeSWpSXmKPExsVy+t9jQd03au9DDGb281g8XrOYyWL+kXOs FvOvXGO1WHr3E5vFj9cX2CzW/FWy6F1wlc2i//FrZos3j7gt3jzczGhxedccNovPvUcYLWac 38dk8WThGSaLO9P2sllMP/6W1UHA4+/z6yweO2fdZffYtKqTzePBxN1sHuumvWX22Pm9gd2j b8sqRo/Np6s9Pm+SC+CM4rJJSc3JLEst0rdL4MpY8/U+Y8FM3ootOz6wNjDe4+xi5OSQEDCR OLLsDiuELSZx4d56ti5GLg4hgemMEl2TFkE5XUwS++7tYgapYhPQk/h89ykTSEJEYDujxIp5 38CqmAWuMUvs23yUCaRKWCBT4tfOP+wgNouAqsS0pZfBunkF3CR6pj1jg9inKNH9bAKYzSng LvG04R7UumZGiUmXFzNOYORdwMiwilE0tSC5oDgpPddIrzgxt7g0L10vOT93EyM4sJ9J72Bc 1WBxiFGAg1GJhzch+12IEGtiWXFl7iFGCQ5mJRFeNqX3IUK8KYmVValF+fFFpTmpxYcYpTlY lMR5lezbQoQE0hNLUrNTUwtSi2CyTBycUg2MDL/2cUz9cOqmbH5R5dWNZyY4NAbt+R+Wk71U NOfiacEin2uP29Z+qe2smLVWommSQ9Uuo/A1l2a/tm3wak8WPpggLNAk6mxjVpa6+vdZD+nj hUvdC6dFK1hGGbpeWfRGg/vDtr6Apv3nve0ylwRGVnm3l6l51HjaT9ZTC3seJ8nb/53xoKAS S3FGoqEWc1FxIgDHmKpJaAIAAA== Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@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 With those bindings it is possible to use pwm-fan device available in Odroid U3 as a cooling device. Signed-off-by: Lukasz Majewski Acked-by: Eduardo Valentin --- Changes for v2: - Rename cooling-pwm-values property to cooling-levels Changes for v3: - Change patch's topic to "ARM dts" - Reduce maximal cooling-level to 230 from 255 Changes for v4: - None Changes for v5: - None Changes for v6: - None --- arch/arm/boot/dts/exynos4412-odroidu3.dts | 33 ++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts index 4c04837..abcfa3c 100644 --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts @@ -32,9 +32,40 @@ }; }; - pwm-fan { + fan0: pwm-fan { compatible = "pwm-fan"; pwms = <&pwm 0 10000 0>; + cooling-min-state = <0>; + cooling-max-state = <3>; + #cooling-cells = <2>; + cooling-levels = <0 102 170 230>; + }; + + thermal-zones { + cpu_thermal: cpu-thermal { + cooling-maps { + map0 { + trip = <&cpu_alert1>; + cooling-device = <&cpu0 7 7>; + }; + map1 { + trip = <&cpu_alert2>; + cooling-device = <&cpu0 13 13>; + }; + map2 { + trip = <&cpu_alert0>; + cooling-device = <&fan0 0 1>; + }; + map3 { + trip = <&cpu_alert1>; + cooling-device = <&fan0 1 2>; + }; + map4 { + trip = <&cpu_alert2>; + cooling-device = <&fan0 2 3>; + }; + }; + }; }; };