From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4A7B0212B2F for ; Sun, 7 Sep 2025 20:19:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757276346; cv=none; b=jTXawnQOVOcV/l/OAo7c+NVYhZjr4f/I81dD7uA8BJggTmHWq/dCo/67MffSL3qNFRayn7wEJ0mWhpc8ysSTn2YCg96ilOk8hSEuIC4wt86JcVUSF5E6IjkD0lhMlxyjImrtgk2IZYL/L471PNiDAyHjuuq020NpHCBKLU+Z5SY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757276346; c=relaxed/simple; bh=FcBRCOgBzzkxmZrLKOt0qsxWKrgd4Aljxao8iy/HEhk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=AtRqh74glsr5qHYxzWRSMvK/g7o3CujRmh5iVtaW5pvQMiO2JkhltWa+Mqlnh54GNxe0/Wu+M7oyp5DLw5GpA5QS86WgLg56H68/LzGHGmUvT3X2WI/OXyFje/iOgYYDurHMpCz7Cv3JLyIcOr341OVplRwgfDCao6RCu2Rd8Ts= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=ZKDkWWXD; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="ZKDkWWXD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=BkYE sQGADtfjEQqkg0ky53aCfLDAmEGyJ2yLOYX7e+0=; b=ZKDkWWXDdqev7r3ujExl vRbb12pNdrb6DOczqkm44D6Tq7aIu7P+FTdA5wkN7u6D+9SVMq277jkPUO+E/j7r Oldud7dTEw9sjq7qHulGEU2ttFIld0Hf0pszXOvn6AD/oduMDp8zyH0qBYN9xzWa 0cESUHOzA51bFtgzl41TemZmS5faAeTE2hXPjlHurDkxa7/xQtjrmZCs1+Xj1Zwa ATZYjGzAUCupJBtvA0/FPZy8E8f+IFYKYcjDGHJhLj9AFzUfGS1LxHdI+JYesRT+ 9XwTkuKXm9SEB5bv32k+ax0oryUkTvwfp10+ICIMBd6dExV5dAIP7PuYpvbuZ1MQ kg== Received: (qmail 574771 invoked from network); 7 Sep 2025 22:18:53 +0200 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 7 Sep 2025 22:18:53 +0200 X-UD-Smtp-Session: l3s3148p1@wyOXxzs+LMAujntE Date: Sun, 7 Sep 2025 22:18:52 +0200 From: Wolfram Sang To: Marek Vasut Cc: linux-arm-kernel@lists.infradead.org, Conor Dooley , Geert Uytterhoeven , Krzysztof Kozlowski , Magnus Damm , Rob Herring , devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: Re: [PATCH v3] arm64: dts: renesas: r8a779g3: Add Argon40 fan HAT DTO to Retronix R-Car V4H Sparrow Hawk Message-ID: References: <20250907161130.218470-1-marek.vasut+renesas@mailbox.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250907161130.218470-1-marek.vasut+renesas@mailbox.org> On Sun, Sep 07, 2025 at 06:10:53PM +0200, Marek Vasut wrote: > Add DT overlay to bind Argon40 fan HAT, on Retronix R-Car V4H > Sparrow Hawk board. Fan RPM control and full RPM on reboot has > been tested. > > Tested-by: Wolfram Sang > Signed-off-by: Marek Vasut Reviewed-by: Wolfram Sang > + * # Localize hwmon sysfs directory that matches the PWM fan, > + * # enable the PWM fan, and configure the fan speed manually. > + * r8a779g3-sparrow-hawk$ ls -1 /sys/devices/platform/pwm-fan-ext/hwmon/hwmon?/pwm?_enable > + * /sys/devices/platform/pwm-fan-ext/hwmon/hwmon0/pwm1_enable Great solution!