From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-201.mailbox.org (mout-p-201.mailbox.org [80.241.56.171]) (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 238FB315D46; Sun, 7 Sep 2025 22:53:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757285638; cv=none; b=GgPCoZy2BNXiph1j7cL2rSBTicamnqlNUeGJhwt0ZhTbb730b+5aEWQrM5BMo13g82bRshfFSX5XcDbDhv30tnJ27/tIsvS6AZp8Rvz7GSk8APcKPJpxi6TSvo6pkCrKq/WcHo7qEIukMMKZ7Xn7nnlwd5k9JliVYrjOkF1SY28= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757285638; c=relaxed/simple; bh=Cm5YUZJ61VOI4bx0fqwwDflClgGmuNarWvEm18NLWFc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=C9Q/+IgjoXSnDGRwJtXWnFnByrpcxTZG1l1MQYTMCCGYHbydHnoqFcdKnpl2Nu92KFdsbCTvGzcVtRDMY6wfPMGnoRUPZF1ojUb9bob5DkYTwfDwuCiBcK03gaeh68TMPEv6fWyR965B9jNwkIGiGeVbjFMVi7nH0VXoIhvBZwk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=sUXEcb5l; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=exHdnhb8; arc=none smtp.client-ip=80.241.56.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="sUXEcb5l"; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="exHdnhb8" Received: from smtp2.mailbox.org (smtp2.mailbox.org [10.196.197.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-201.mailbox.org (Postfix) with ESMTPS id 4cKlkV0Pbrz9tTZ; Mon, 8 Sep 2025 00:53:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1757285634; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=QMb8JXvN1Gdvqc6Udpf9z7oyPReqbmlnrTlxo92lbAc=; b=sUXEcb5lQuNABUnIkG1XebMhxPIwO55Gy9U35fDxkj5mUIG+V+N5AfX+lqUqEl0BZmO25y pE9A5WedcrqUCaw4KELsP92+b3oNDfiMir451+CiwAwLwkxqVmQgmBc/eCjgOk+oYOQN5G bcXFVcI49FMgqEmg68Tn/w92ELTNAGCWaTE+FC/0dXc3mGNS6f/FHtI3xD6IT9NWrRvoOu b7nbwmj2Oqm7p93O0K4pf+tcS71r7yHOAZVHN9tXW7JRNMlCw+uuHbXsakTWmASlvLXv5M u4KElgR3o8hA+/cop5x7Opx3xRh30saz/9m7e54670Nh1uso8NPEOQmLQs/diQ== From: Marek Vasut DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1757285632; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=QMb8JXvN1Gdvqc6Udpf9z7oyPReqbmlnrTlxo92lbAc=; b=exHdnhb8Ksnxr/SkYq+zVO52c07GOs38DWAwlpMFObJqIBNvo/YY2Qc9UAA+26TvSKp6nr 81/x1Ck4vS8HnBX5qTcb+Vx1yb3HedmN4cxy/XVXoMxPovuB0aQ6GTqtq/LxvC90i3Oy6e 2vuTuqEQYP281fyrfV6O/Sw53/YsqrkzsNp0cWYNYy8o164e/LxP0DmHoyoaqO7JQGgkOM 1PcoP5tM5MvjvXHnWG/TNLwyHgzheOghWzIgz9QcfJLplPPfYA6E8Fg9TZwU1LJcfS76lD UUMJUMZSO5+I4dRJFYhKJ7eTa74bMO1YhpeWBz4C+/iKX+oyQ/9iNp4j77nsgw== To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , Conor Dooley , Geert Uytterhoeven , Krzysztof Kozlowski , Magnus Damm , Rob Herring , Wolfram Sang , devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH] arm64: dts: renesas: r8a779g3: Rework fan hwmon comment on Retronix R-Car V4H Sparrow Hawk fan DTO Date: Mon, 8 Sep 2025 00:53:05 +0200 Message-ID: <20250907225338.426253-1-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-Transfer-Encoding: 8bit X-MBO-RS-ID: 93710d2802da5fda573 X-MBO-RS-META: hdrs11rhq5j3stnthun7gy6t4ngnf6kq Reword fan DT overlay hwmon comment to accurately locate the fan control sysfs hwmon node on Retronix R-Car V4H Sparrow Hawk. No functional change. Signed-off-by: Marek Vasut --- Cc: Conor Dooley Cc: Geert Uytterhoeven Cc: Krzysztof Kozlowski Cc: Magnus Damm Cc: Rob Herring Cc: Wolfram Sang Cc: devicetree@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org --- .../dts/renesas/r8a779g3-sparrow-hawk-fan-pwm.dtso | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-fan-pwm.dtso b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-fan-pwm.dtso index 50d53c8d76c5b..022374c5c8d07 100644 --- a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-fan-pwm.dtso +++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk-fan-pwm.dtso @@ -9,21 +9,16 @@ * * # Localize hwmon sysfs directory that matches the PWM fan, * # enable the PWM fan, and configure the fan speed manually. - * r8a779g3-sparrow-hawk$ grep -H . /sys/class/hwmon/hwmon?/name - * /sys/class/hwmon/hwmon0/name:sensor1_thermal - * /sys/class/hwmon/hwmon1/name:sensor2_thermal - * /sys/class/hwmon/hwmon2/name:sensor3_thermal - * /sys/class/hwmon/hwmon3/name:sensor4_thermal - * /sys/class/hwmon/hwmon4/name:pwmfan - * ^ ^^^^^^ + * r8a779g3-sparrow-hawk$ ls -1 /sys/devices/platform/pwm-fan/hwmon/hwmon?/pwm?_enable + * /sys/devices/platform/pwm-fan/hwmon/hwmon4/pwm1_enable * * # Select mode 2 , enable fan PWM and regulator and keep them enabled. * # For details, see Linux Documentation/hwmon/pwm-fan.rst - * r8a779g3-sparrow-hawk$ echo 2 > /sys/class/hwmon/hwmon4/pwm1_enable + * r8a779g3-sparrow-hawk$ echo 2 > /sys/devices/platform/pwm-fan/hwmon/hwmon4/pwm1_enable * * # Configure PWM fan speed in range 0..255 , 0 is stopped , 255 is full speed . * # Fan speed 101 is about 2/5 of the PWM fan speed: - * r8a779g3-sparrow-hawk$ echo 101 > /sys/class/hwmon/hwmon4/pwm1 + * r8a779g3-sparrow-hawk$ echo 101 > /sys/devices/platform/pwm-fan/hwmon/hwmon4/pwm1 */ /dts-v1/; -- 2.51.0