From patchwork Wed Feb 25 15:34:19 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Majewski X-Patchwork-Id: 5881011 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 1B0F19F269 for ; Wed, 25 Feb 2015 15:36:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4AD2C20374 for ; Wed, 25 Feb 2015 15:36:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6B98E2034E for ; Wed, 25 Feb 2015 15:36:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753361AbbBYPgh (ORCPT ); Wed, 25 Feb 2015 10:36:37 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:64555 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753670AbbBYPex (ORCPT ); Wed, 25 Feb 2015 10:34:53 -0500 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NKC00M153A3Z420@mailout1.samsung.com>; Thu, 26 Feb 2015 00:34:51 +0900 (KST) X-AuditID: cbfee61a-f79c06d000004e71-f2-54edeb9b8302 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id B7.24.20081.B9BEDE45; Thu, 26 Feb 2015 00:34:51 +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 <0NKC00MHG39D86A0@mmp1.samsung.com>; Thu, 26 Feb 2015 00:34:51 +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 v5 3/6] ARM: dts: Add properties to use pwm-fan device as a cooling device in Odroid U3 Date: Wed, 25 Feb 2015 16:34:19 +0100 Message-id: <1424878462-15511-4-git-send-email-l.majewski@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1424878462-15511-1-git-send-email-l.majewski@samsung.com> References: <1418897591-18332-1-git-send-email-l.majewski@samsung.com> <1424878462-15511-1-git-send-email-l.majewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrCLMWRmVeSWpSXmKPExsVy+t9jAd3Zr9+GGLT1K1k8XrOYyWL+kXOs FvOvXGO1WHr3E5vFj9cX2CzW/FWy6F1wlc2i//FrZos3j7gt3jzczGhxedccNovPvUcYLWac 38dk8WThGSaLO9P2sllMP/6W1UHA4+/z6yweO2fdZffYtKqTzePBxN1sHuumvWX22Pm9gd2j b8sqRo/Np6s9Pm+SC+CM4rJJSc3JLEst0rdL4Mq48mIzS8E5nopvS06xNzDO5+xi5OSQEDCR +PzoIROELSZx4d56NhBbSGARo0TDxfguRi4gu4tJ4sr+R+wgCTYBPYnPd58ygSREBLYzSqyY 940NxGEWuMYssW/zUbBRwgKZEvcPLmABsVkEVCVmz+sAG8sr4CZx9VAzI8Q6RYnuZxPA4pwC 7hJz3zxnh1jXzChx6+I05gmMvAsYGVYxiqYWJBcUJ6XnGuoVJ+YWl+al6yXn525iBIf1M6kd jCsbLA4xCnAwKvHwJgi/CRFiTSwrrsw9xCjBwawkwtt69m2IEG9KYmVValF+fFFpTmrxIUZp DhYlcV4l+7YQIYH0xJLU7NTUgtQimCwTB6dUA2MM16XDds9j+rL+th4K2nzj+dFdOw2P1AdK 31t65dcF9cl27lKlj13f/qxhD1J6ZbfI9Ihf0H9FtUIl6T8n69mPbNtemLFVQ/G/UtymX2/s fZzP3V5/efHRxO26EplHfA+6f9y/8s66O8WGpw9wcvHuPWYmFbzr1Unra68EE6POPT2hPqum 08RKiaU4I9FQi7moOBEAwBYbHmcCAAA= 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 --- 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>; + }; + }; + }; }; };