From patchwork Wed Feb 18 10:07:33 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Majewski X-Patchwork-Id: 5843191 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 31814BF440 for ; Wed, 18 Feb 2015 10:11:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 204C820253 for ; Wed, 18 Feb 2015 10:10:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ED6182024C for ; Wed, 18 Feb 2015 10:10:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752611AbbBRKKz (ORCPT ); Wed, 18 Feb 2015 05:10:55 -0500 Received: from mailout3.samsung.com ([203.254.224.33]:35624 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752481AbbBRKKw (ORCPT ); Wed, 18 Feb 2015 05:10:52 -0500 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NJY009SGPM2MOA0@mailout3.samsung.com>; Wed, 18 Feb 2015 19:10:50 +0900 (KST) X-AuditID: cbfee61b-f79d76d0000024d6-50-54e4652a3355 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 5B.AB.09430.A2564E45; Wed, 18 Feb 2015 19:10:50 +0900 (KST) Received: from mcdsrvbld02.digital.local ([106.116.37.23]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0NJY00IQ4PGTKC50@mmp1.samsung.com>; Wed, 18 Feb 2015 19:10:50 +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 v4 5/8] ARM: dts: Add properties to use pwm-fan device as a cooling device in Odroid U3 Date: Wed, 18 Feb 2015 11:07:33 +0100 Message-id: <1424254056-5904-6-git-send-email-l.majewski@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1424254056-5904-1-git-send-email-l.majewski@samsung.com> References: <1418897591-18332-1-git-send-email-l.majewski@samsung.com> <1424254056-5904-1-git-send-email-l.majewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrMLMWRmVeSWpSXmKPExsVy+t9jAV2t1CchBg1TBCwer1nMZDH/yDlW i/lXrrFaLL37ic3ix+sLbBZr/ipZ9C64ymbR//g1s8WbR9wWbx5uZrS4vGsOm8Xn3iOMFjPO 72OyeLLwDJPFnWl72SymH3/L6iDg8ff5dRaPnbPusntsWtXJ5vFg4m42j3XT3jJ77PzewO7R t2UVo8fm09UenzfJBXBGcdmkpOZklqUW6dslcGUsuHSTueAKT8Wuby2sDYwLObsYOTkkBEwk Np1/zwhhi0lcuLeerYuRi0NIYBGjxJv7JxghnC4mibuT77CCVLEJ6El8vvuUCSQhIrCdUWLF vG9gLcwC15gl9m0+ygRSJSyQKTF/yjWgdg4OFgFVibN/ikBMXgFXiY07BCG2KUp0P5vABmJz CrhJbN2zjB1iWROjxLylP5knMPIuYGRYxSiaWpBcUJyUnmukV5yYW1yal66XnJ+7iREc1M+k dzCuarA4xCjAwajEw9vw+3GIEGtiWXFl7iFGCQ5mJRHe+PgnIUK8KYmVValF+fFFpTmpxYcY pTlYlMR5lezbQoQE0hNLUrNTUwtSi2CyTBycUg2MUxfLfJf+Hetu5HX8RPGsxcbFBVPY9s/9 J+NYsSa6z3ftgslzEu/+z3iirzmpzmJpoHBd+JTPzd68tVUyJ9IfPdt0+Z3pukcf/9yc1j93 o4a1zZHLz244b/m+mkv2j2CtR23Wt1aRWm4OAbZTT5eK8jU46C/fwn3/18wF554tuPlIMPjU hG0Ze5VYijMSDbWYi4oTAds5QZtmAgAA 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 --- 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 --- 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 60bd1e4..3e5df3e 100644 --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts @@ -32,11 +32,42 @@ }; }; - 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>; status = "okay"; }; + + 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>; + }; + }; + }; + }; }; &pwm {