From nobody Thu Dec 18 03:41:13 2025 Received: from mta-65-227.siemens.flowmailer.net (mta-65-227.siemens.flowmailer.net [185.136.65.227]) (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 25A0E30E0E5 for ; Fri, 12 Dec 2025 20:56:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.136.65.227 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765572977; cv=none; b=HtrdkpL2vF+zJ+N+GR5G84HkVbcP/I3m0Lle04psfI55RZNwitja0bBQUzm3dRI4WImMDhkgcaz+gLHfYuBSrVPPi8mrjiJbIo72jfE7eEiUb+M3D0nynwOY1w8L0yWZHNnQeF0EORo3rKPTmER5yMGDHaPqeroLaZsmXM0IcSk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765572977; c=relaxed/simple; bh=H8K26/3M9ZOwVkvbX01usgyg8WoOPuofe3ffL6kkLUw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Cpf7S2xGJ6XGTiALczhXc4CDfY589GGd2hb0Nhs1KmFDv9mskcPf+6Q7n+NdBwo/8w5qefWdjQAgNEDQPJB5njBQKMNr+2WYSio7rN8y13Nd4+KzW/T6pIdVzawqkz6ubXkibpetwuDAZmrVnNzILHw6hpCmKI/vVWUIP/QpukE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com; spf=pass smtp.mailfrom=rts-flowmailer.siemens.com; dkim=pass (2048-bit key) header.d=siemens.com header.i=alexander.sverdlin@siemens.com header.b=IDU/Q0E9; arc=none smtp.client-ip=185.136.65.227 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rts-flowmailer.siemens.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=siemens.com header.i=alexander.sverdlin@siemens.com header.b="IDU/Q0E9" Received: by mta-65-227.siemens.flowmailer.net with ESMTPSA id 2025121220460476fb683d34000207ad for ; Fri, 12 Dec 2025 21:46:04 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm2; d=siemens.com; i=alexander.sverdlin@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc:References:In-Reply-To; bh=V8z4AU6BTthS2cu8yRS3g3bsCaBUt556bM/8/FA+Esc=; b=IDU/Q0E9bRSOFsVWbJcjeo5OmFcEklwQTGuuWapCCBJsycjOw+t9R5SVSLPhiS9+xi3h46 tFqX64bOg+DerKDtzaaznh6Flpi7z8ZRrtLE7cBYGDFXdDXXEiHVu0hIcyXJEfWNdNNLM166 BPNqZmgjeDlBgUMX62LaD2iPX9sUI/ODxh+yOLcSHZdNWk7QxNunkgNTh+wlc1pxM71R6e/A GaWtnVnMfJagh9iEgCtQMCdVWjGJNUGj4Uo4NEsV9cpZdH8MD481tWBa8EIQ6alJtEy4KPtp ODZ1Mg1vCZTGawfPfUveuedRGZMWQ+bdkiaH2NN0EOGI6y6imPMtJYKQ==; From: "A. Sverdlin" To: netdev@vger.kernel.org Cc: Alexander Sverdlin , Hauke Mehrtens , Andrew Lunn , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Golle Subject: [PATCH net-next 1/2] dt-bindings: net: dsa: lantiq,gswip: add MaxLinear R(G)MII slew rate Date: Fri, 12 Dec 2025 21:45:52 +0100 Message-ID: <20251212204557.2082890-2-alexander.sverdlin@siemens.com> In-Reply-To: <20251212204557.2082890-1-alexander.sverdlin@siemens.com> References: <20251212204557.2082890-1-alexander.sverdlin@siemens.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-456497:519-21489:flowmailer Content-Type: text/plain; charset="utf-8" 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 --- 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 =20 properties: + maxlinear,mii-slew-rate-slow: + 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: --=20 2.52.0