From patchwork Sun Apr 9 18:09:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ralph Sennhauser X-Patchwork-Id: 748769 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3w1Lvc3nZ5z9s7F for ; Mon, 10 Apr 2017 04:10:20 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="QM+NZYXm"; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752805AbdDISKQ (ORCPT ); Sun, 9 Apr 2017 14:10:16 -0400 Received: from mail-wr0-f195.google.com ([209.85.128.195]:35030 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752495AbdDISJw (ORCPT ); Sun, 9 Apr 2017 14:09:52 -0400 Received: by mail-wr0-f195.google.com with SMTP id t20so26450186wra.2; Sun, 09 Apr 2017 11:09:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=/ZyTP0sa5RYWTLUlOugkTUOGDC2Z+0teY9PwFP5aJDY=; b=QM+NZYXmLUZeUw2kjmsevMmqfjFNSocscLLivdI5qBMwFHRIywB7MshpjjG4rgTlFh nl9kaMtftNc97NfMVOPyn6HNeml8/u0+JuMgT4jdJyjVqO7h8pPJ3ameYe6Eo9v7qMui DrAECXpFP+aPvnAN05FHKkjkgVQHlW++EQ9R1FkHkSEAmLSrog79w6MwqKRzK/E358dD sH6MNX+XGlD5jnj04yg9+2uRgblwx3yZKfo8OO18/5VfgIkPt4fYY8e8wD4/we2SgwIp DxNeID2yz8lLqkgBykkq/B3YtSg9X1LIr4SmvrBJRJX8vvRxN7ZKhP0K7DC3xOXDM2jZ YVyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=/ZyTP0sa5RYWTLUlOugkTUOGDC2Z+0teY9PwFP5aJDY=; b=jkcm2HfdTbubfP+rjrmcmRcGnf3S848JkFLiKufaLfWJAneJKVYXXyQSK1X9M4QztS Ar08sLEwjDfeZWtTN2XDa9JEAxXYspEkyeL4xWehOANUW2aJ+Xu1RN+Y4eqZYvAQadQe 08/OTYimOQo56zotjLqa4CjJLqvVHe4CwSftybiNBWYUrBAoi7FhBdY5R2VwPY/EVUeb hPLBoP99mWXU2FcgSrgQZVtl4BGKUKdVK/C78oXuvSzeuySfLsG/aW71D21wMSLeD8lt 7pqTSR/bCptjaSLycBEOlGmhdZvwb4TAgj5a68tksueTtxgHyxeLifBCiD/rO/LI2G5S ansA== X-Gm-Message-State: AFeK/H13hSX6StkjhhQk53FQepc74xAu8d8A8INguaOp6+xYPDisJ/2N6FX3E10FF6QH+Q== X-Received: by 10.223.128.99 with SMTP id 90mr45018336wrk.101.1491761390529; Sun, 09 Apr 2017 11:09:50 -0700 (PDT) Received: from localhost.lan ([37.209.189.139]) by smtp.googlemail.com with ESMTPSA id b66sm14366139wrd.29.2017.04.09.11.09.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 09 Apr 2017 11:09:49 -0700 (PDT) From: Ralph Sennhauser To: Thierry Reding Cc: Andrew Lunn , Ralph Sennhauser , Linus Walleij , Alexandre Courbot , Rob Herring , Mark Rutland , Jason Cooper , Gregory Clement , Sebastian Hesselbarth , Russell King , linux-pwm@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 4/4] ARM: dts: armada-xp: Use pwm-fan rather than gpio-fan Date: Sun, 9 Apr 2017 20:09:30 +0200 Message-Id: <20170409180931.4884-5-ralph.sennhauser@gmail.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170409180931.4884-1-ralph.sennhauser@gmail.com> References: <20170409180931.4884-1-ralph.sennhauser@gmail.com> Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org From: Andrew Lunn The mvebu GPIO driver can also perform PWM on some pins. Use the pwm-fan driver to control the fan of the WRT1900AC, giving us finer grained control over its speed and hence noise. Signed-off-by: Andrew Lunn URL: https://patchwork.ozlabs.org/patch/427291/ [Ralph Sennhauser: drop flags paramter from pwms, no longer used] Signed-off-by: Ralph Sennhauser Tested-by: Andrew Lunn --- arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts index 9efcf59..6d705f5 100644 --- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts +++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts @@ -308,13 +308,11 @@ }; }; - gpio_fan { + pwm_fan { /* SUNON HA4010V4-0000-C99 */ - compatible = "gpio-fan"; - gpios = <&gpio0 24 0>; - gpio-fan,speed-map = <0 0 - 4500 1>; + compatible = "pwm-fan"; + pwms = <&gpio0 24 4000>; }; dsa {