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 C36E92EC54C; Fri, 19 Dec 2025 20:43:27 +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=1766177007; cv=none; b=XURl9z1zQLE2PyRBarEXwRrqh+ElL4KNE/nOMxZIKJNQ6n3rMHp11SxgXfYglVwOTPvvdfim/do06tRRm9EKA4IWNAoiDWUVP1VF5vLW4zL7gR6M6ZqPY4y9AEZfwgcr6MaX+82o2QnQEC6DVhvYBbJ5hi2GJUYQU2ax0pCkhCw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766177007; c=relaxed/simple; bh=utane5PV8rbdLmphiJcDwcNC+dLLsZXwPHUOqnPr+qc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lp8ECrKn/SJE5r6Nnnxw/VWd3SVh6oZV55aGyS1dTMTSz7kQ69HuZHcyAqGYPVaJ4WgYEddENc+68+gVlqQr/2YUHc4FWNif4G/0CSH2gEJ9vMmWoPm0ScaoqEytDjoEZKqbnf36rdZFZgM+VNjwsk26nMbGCQ7oghsgR7zlc8s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hHSIbtKW; 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="hHSIbtKW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EB98FC4CEF1; Fri, 19 Dec 2025 20:43:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766177007; bh=utane5PV8rbdLmphiJcDwcNC+dLLsZXwPHUOqnPr+qc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hHSIbtKW7gg5mzc1IExMi12uGn4LA2wcUd2Mv81Y2df6+beF2e+VgsdssAzYa3wDp rcgrBKj2CD1asx+YNdmMXXHUkg1bxDD0sNvqBurHQeMG+z0AFeECgLUpauvaBP5YWU eSlvM1NM+4uDyfHqM+V5kv0G2z4cL/iPP+xCuUTydr2iaD8AqJ57+8WtrDlJWa+exM LS3bGA6YkQVBXXTchVTWM/3rpmtB3n3V6lljUaATqs4tDeXePPlMCPiFA5jnVcUXlm 8XYKA1eJmR1AYdF5Fmbc/AXBqkufBqmZczgflLD636kt/JYNn64H/zqWHuqXvuY1M8 hrwgTwFct6BIA== Date: Fri, 19 Dec 2025 14:43:24 -0600 From: Rob Herring To: "A. Sverdlin" Cc: netdev@vger.kernel.org, Hauke Mehrtens , Andrew Lunn , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Golle Subject: Re: [PATCH net-next v2 1/2] dt-bindings: net: dsa: lantiq,gswip: add MaxLinear R(G)MII slew rate Message-ID: <20251219204324.GA3881969-robh@kernel.org> References: <20251216121705.65156-1-alexander.sverdlin@siemens.com> <20251216121705.65156-2-alexander.sverdlin@siemens.com> Precedence: bulk X-Mailing-List: netdev@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: <20251216121705.65156-2-alexander.sverdlin@siemens.com> On Tue, Dec 16, 2025 at 01:17:00PM +0100, A. Sverdlin wrote: > From: Alexander Sverdlin > > Add new maxlinear,mii-slew-rate-slow boolean property. This property is > only applicable for ports in R(G)MII mode and allows for slew rate > reduction in comparison to "normal" default configuration with the purpose > to reduce radiated emissions. > > Signed-off-by: Alexander Sverdlin > --- > Changelog: > v2: > - unchanged > > Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml b/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml > index 205b683849a53..6cd5c6152c9e9 100644 > --- a/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml > +++ b/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml > @@ -106,6 +106,11 @@ patternProperties: > unevaluatedProperties: false > > properties: > + maxlinear,mii-slew-rate-slow: I would just reuse the pinctrl "slew-rate" property here. The values are binding specific. > + type: boolean > + description: > + Configure R(G)MII TXD/TXC pads' slew rate to "slow" instead > + of "normal" to reduce radiated emissions. > maxlinear,rmii-refclk-out: > type: boolean > description: > -- > 2.52.0 >