From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 5FA6C413259; Wed, 29 Apr 2026 18:18:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777486690; cv=none; b=jMQ/W/eMFYhMvlE/uWjqB6J1oxTSSVQURMkS+gNI4NwgCrsnMLKJmONOxQnH/xfMGcPJ/a75n8Unx5sz4VIlxJ5fmo+eN3YDGXr5aoIucI5BUj1y83EE9a2DBQkf+7pU84VlT205glPt3w4s8zGKrXRlri99HuPqgrS+12yRnA0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777486690; c=relaxed/simple; bh=UdSAZ4Ed89EsgnscyKgKTV5jZmvavrICMX4k55nyzeI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JgWH92ZzOF7LetPaAaRU9X3U4V2aNAAoxtvI5M9VYDJMk2n3DZz50ZEbaWdQjc3bzVff0pX4BXMVwwooswstGbcnMqrr6oV4kCLAHdSkdSW1C9fbQLsmyK/0w3KlFF9a+EO9Ld+HZYTWmmCKQs17I2t2sH/h5c//vM0IeS3BwKI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CbfBDsW/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CbfBDsW/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4FD5BC2BCB8; Wed, 29 Apr 2026 18:18:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777486690; bh=UdSAZ4Ed89EsgnscyKgKTV5jZmvavrICMX4k55nyzeI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CbfBDsW/nyPye5VIbtgNiO28oc3SZxbKtVn2E3OWdbW/8KVI8GeIONNhieeZ/Z0hy rlkPXrjvjPGCFiouw+FTywdjwyj9DC5DHI9MSwgKGpRNCH71Z4gfLHRdEqkO8g2gqv rNq2ZrIotKFGd2U3KMTEk4auAnD9lH0Tou54X+TnEwUHXkYEAs329PYL4SGFgBepCR 2o+A7bgoRIih32zJtE5xIj4gD0fGPr6IfvNH8+SCn1G8F+VJcg+n31KzDtD+Ziej9N gMCLSBlMxWQUvfsz3Wy20FMyFjWRirphFOCzPDs20giCnLZ6aNcuqksYnHX28BR9gX Hv5CBJqO5Kefg== Date: Wed, 29 Apr 2026 19:18:04 +0100 From: Conor Dooley To: florin.leotescu@oss.nxp.com Cc: Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Shych , linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, daniel.baluta@nxp.com, viorel.suman@nxp.com, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, festevam@gmail.com, Florin Leotescu Subject: Re: [PATCH v7 2/3] dt-bindings: hwmon: emc2305: Add fan-shutdown-percent property Message-ID: <20260429-shiftless-docile-e57509e967c4@spud> References: <20260429065955.2113012-1-florin.leotescu@oss.nxp.com> <20260429065955.2113012-3-florin.leotescu@oss.nxp.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="O/6ha+tJR4ql1YNr" Content-Disposition: inline In-Reply-To: <20260429065955.2113012-3-florin.leotescu@oss.nxp.com> --O/6ha+tJR4ql1YNr Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Apr 29, 2026 at 09:59:54AM +0300, florin.leotescu@oss.nxp.com wrote: > From: Florin Leotescu >=20 > The EMC2305 fan controller supports multiple independent PWM fan > outputs. Some systems require fans to enter a defined safe state > during system shutdown or reboot handoff, until firmware or the next > boot stage reconfigures the controller. >=20 > Add an optional "fan-shutdown-percent" property to fan child nodes > allowing the PWM duty cycle applied during shutdown to be configured > per fan output. >=20 > Signed-off-by: Florin Leotescu Why didn't you pick up my tag from here: https://lore.kernel.org/all/20260407-slang-scoff-795164352c62@spud/ > --- > .../devicetree/bindings/hwmon/microchip,emc2305.yaml | 8 ++++++++ > 1 file changed, 8 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/hwmon/microchip,emc2305.ya= ml b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml > index d3f06ebc19fa..8c2548539d7f 100644 > --- a/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml > +++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml > @@ -54,6 +54,12 @@ patternProperties: > The fan number used to determine the associated PWM channel. > maxItems: 1 > =20 > + fan-shutdown-percent: > + description: > + PWM duty cycle in percent applied to the fan during shutdown. > + minimum: 0 > + maximum: 100 > + > required: > - reg > =20 > @@ -80,12 +86,14 @@ examples: > fan@0 { > reg =3D <0x0>; > pwms =3D <&fan_controller 26000 PWM_POLARITY_INVERTED 1>; > + fan-shutdown-percent =3D <100>; > #cooling-cells =3D <2>; > }; > =20 > fan@1 { > reg =3D <0x1>; > pwms =3D <&fan_controller 26000 0 1>; > + fan-shutdown-percent =3D <50>; > #cooling-cells =3D <2>; > }; > =20 > --=20 > 2.34.1 >=20 --O/6ha+tJR4ql1YNr Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCafJLXAAKCRB4tDGHoIJi 0gavAQCPTKrm8kliUt98l4rMdBj0rVjas+i0gGIqNsxjP1AXLgD/Vp1BZn+P5YxZ Odh6zOWq9LiWRscCj2gLht0B4n8sWQk= =7V1K -----END PGP SIGNATURE----- --O/6ha+tJR4ql1YNr--