From patchwork Wed Mar 4 12:03:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Majewski X-Patchwork-Id: 5935831 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 BAAF99F318 for ; Wed, 4 Mar 2015 12:05:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E58EF202B4 for ; Wed, 4 Mar 2015 12:05:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 51063202AE for ; Wed, 4 Mar 2015 12:05:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932461AbbCDMES (ORCPT ); Wed, 4 Mar 2015 07:04:18 -0500 Received: from mailout4.samsung.com ([203.254.224.34]:15905 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932442AbbCDMEQ (ORCPT ); Wed, 4 Mar 2015 07:04:16 -0500 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NKO00J93S72TV40@mailout4.samsung.com>; Wed, 04 Mar 2015 21:04:14 +0900 (KST) X-AuditID: cbfee61b-f79d76d0000024d6-e5-54f6f4bee3e1 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id FA.BF.09430.EB4F6F45; Wed, 04 Mar 2015 21:04:14 +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 <0NKO00ILPS6ADG60@mmp1.samsung.com>; Wed, 04 Mar 2015 21:04:14 +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 RESEND v6 3/6] ARM: dts: Add properties to use pwm-fan device as a cooling device in Odroid U3 Date: Wed, 04 Mar 2015 13:03:41 +0100 Message-id: <1425470624-25793-4-git-send-email-l.majewski@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1425470624-25793-1-git-send-email-l.majewski@samsung.com> References: <1418897591-18332-1-git-send-email-l.majewski@samsung.com> <1425470624-25793-1-git-send-email-l.majewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrKLMWRmVeSWpSXmKPExsVy+t9jAd19X76FGHy8omTxeM1iJov5R86x Wsy/co3VYundT2wWP15fYLNY81fJonfBVTaL/sevmS3ePOK2ePNwM6PF5V1z2Cw+9x5htJhx fh+TxZOFZ5gs7kzby2Yx/fhbVgcBj7/Pr7N47Jx1l91j06pONo8HE3ezeayb9pbZY+f3BnaP vi2rGD02n672+LxJLoAzissmJTUnsyy1SN8ugStjzdf7jAUzeSu27PjA2sB4j7OLkZNDQsBE Yub7HUwQtpjEhXvr2boYuTiEBBYxSmzYvY0Vwulikph88jlYFZuAnsTnu0+ZQBIiAtsZJVbM +wbWwixwjVli3+ajYFXCAgUS1zbsArNZBFQl/v3YyAJi8wq4SUy6/ogRYp+iRPezCWwgNqeA u8T1Ry0sEOuaGSUWnfzCPoGRdwEjwypG0dSC5ILipPRcI73ixNzi0rx0veT83E2M4MB+Jr2D cVWDxSFGAQ5GJR7eA7HfQoRYE8uKK3MPMUpwMCuJ8MZeBArxpiRWVqUW5ccXleakFh9ilOZg URLnVbJvCxESSE8sSc1OTS1ILYLJMnFwSjUwJr+apJd8LNdpTkP5UzXHFe2m7mmqtRav1//4 YRHMfDJ9W3H/EksWHb2p5p818tr2HtBzYQ9pPRg68Yepx7UHAeopGVMu3eWNe5PV1vR5ftCb y2UH1/nY8y2/0XBZdfoVrebDn7+vv6rPmNWWWpmleXNzL6t3DWt8+tvkD0eT3/nJftusxKGg xFKckWioxVxUnAgAuD1XeGgCAAA= 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 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>; + }; + }; + }; }; };