From nobody Thu Dec 18 08:40:01 2025 Received: from mta-64-227.siemens.flowmailer.net (mta-64-227.siemens.flowmailer.net [185.136.64.227]) (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 7863236BCC3 for ; Tue, 16 Dec 2025 12:17:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.136.64.227 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765887438; cv=none; b=a8PCDdSc4jKi0cKMciZOYeU/3zU7WIDoyPSNHN7mExqBnFjvVgX82SGr5pp5sNSu7oykc7o6BDhiG8CBJF+TRDiNhnICMrecJMIfsSgc7co/tjG63MHIRWoKoaiHg8vKjVauJhJ5+jT+gFEZvVIHc0IAXbDII6zwmkuWs0Kk3Lk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765887438; c=relaxed/simple; bh=kclCNooV2IeTtW1J601jrIu2Ap7xvTdl1NfcpY678jw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=THzGFj2NLSpnWR+x0IOldzxAIqXsUbx2dEn2WXMiOYZL8zsZcBldpuQ516td94SGXVEglk45HZAm31sCCV0mSGM87DcJaCkwffyKxwhcyAUaNt+go4DlgrrbtGLm3wlgazHVrrLqk8durIa/x4z9rKygSKuCDgFkYn97ACX0QK4= 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=fail (0-bit key) header.d=siemens.com header.i=alexander.sverdlin@siemens.com header.b=fkuSg7Ou reason="key not found in DNS"; arc=none smtp.client-ip=185.136.64.227 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=fail reason="key not found in DNS" (0-bit key) header.d=siemens.com header.i=alexander.sverdlin@siemens.com header.b="fkuSg7Ou" Received: by mta-64-227.siemens.flowmailer.net with ESMTPSA id 202512161217088ebbdcd760000207cd for ; Tue, 16 Dec 2025 13:17:08 +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=YawCl9Wk1TLgtNf/koT/2Vf52sv24n9OKnGfZ29QnOQ=; b=fkuSg7OusEFr788aBbXDkpN900oAljvj5B67L2iub/MFPMe509Jsi5vsjtA1kzlrXA2D4K FLcIfnZHuhr+9iq3DVd87ZfLVAEy679J/65XqIuDdt0niXXN6DRPZ6GcHN49At8ocoXLv+iX RGMuWlPvZBLVto0vhwwUKQ3gYR8q35pR0FV6Tm/mp7kr1/iWtjKkdBMpvDjEZVtr3kw5MkYh uJz8FQ8eMhUBpmUiHOJNVjAZPy+lg/+fMoaDiuOWp+/b5MVtKw+s0KU1l9I/lboQ6P2RNHcg dHhPw7ih2AOhSTCWgeaMFAo02tlUP3sxAiOoh4kmO2b5LqpuEjSnNMsA==; 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 v2 1/2] dt-bindings: net: dsa: lantiq,gswip: add MaxLinear R(G)MII slew rate Date: Tue, 16 Dec 2025 13:17:00 +0100 Message-ID: <20251216121705.65156-2-alexander.sverdlin@siemens.com> In-Reply-To: <20251216121705.65156-1-alexander.sverdlin@siemens.com> References: <20251216121705.65156-1-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 --- 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 =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