From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pidgin.makrotopia.org (pidgin.makrotopia.org [185.142.180.65]) (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 BD0CE2D47E1; Tue, 13 Jan 2026 16:59:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.142.180.65 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768323575; cv=none; b=YdVM/SHyoPZybiAMplQuYf6+jJ9lQZWeM62FWpSRqTZ3FY6Onysgv6TA00ZlMrms5woBGtq3O8BRqmQ8ZbLmaSlzxyHpSMIuEO2dnfJTfRIFtfDAD0RzjX50UMtsZP/1C1xFjhTIJaVVHqONHFmdlFeQB0vCqcXKKujFJgjCB0E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768323575; c=relaxed/simple; bh=bZTOOZGcxrsTtzmbLUUcF2m1Kd5vKqsNeN4gY8o6OA4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HOciXsiRbsBs6wdlGo1Vb3nh2A1JJ752HTUrGFcfOoQ6+NrlaoBYXctq8rNsNkwiIaqcQtPdVQ5v95q3SNLVFTXL5I/BOJhpelRap+qnfxMdzwhjSV94/DFmxbFAWddyhSW94CdJdqgXvnXD//+mykcOpUjlaZyIg5ejFGZqRrA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=makrotopia.org; spf=pass smtp.mailfrom=makrotopia.org; arc=none smtp.client-ip=185.142.180.65 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=makrotopia.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=makrotopia.org Received: from local by pidgin.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.99) (envelope-from ) id 1vfhjt-000000005MK-0bbL; Tue, 13 Jan 2026 16:59:29 +0000 Date: Tue, 13 Jan 2026 16:59:25 +0000 From: Daniel Golle To: Rob Herring Cc: "A. Sverdlin" , 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 Subject: Re: [PATCH net-next v4 1/2] dt-bindings: net: dsa: lantiq,gswip: add MaxLinear R(G)MII slew rate Message-ID: References: <20260107090019.2257867-1-alexander.sverdlin@siemens.com> <20260107090019.2257867-2-alexander.sverdlin@siemens.com> <20260113164128.GA3919887-robh@kernel.org> 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: <20260113164128.GA3919887-robh@kernel.org> On Tue, Jan 13, 2026 at 10:41:28AM -0600, Rob Herring wrote: > On Wed, Jan 07, 2026 at 10:00:16AM +0100, A. Sverdlin wrote: > > From: Alexander Sverdlin > > > > Add new maxlinear,slew-rate-txc and maxlinear,slew-rate-txd uint32 > > properties. The properties are only applicable for ports in R(G)MII mode > > and allow for slew rate reduction in comparison to "normal" default > > configuration with the purpose to reduce radiated emissions. > > > > Signed-off-by: Alexander Sverdlin > > --- > > Changelog: > > v4: > > - separate properties for TXD and TXC pads ("maxlinear," prefix re-appears) > > v3: > > - use [pinctrl] standard "slew-rate" property as suggested by Rob > > https://lore.kernel.org/all/20251219204324.GA3881969-robh@kernel.org/ > > v2: > > - unchanged > > > > .../devicetree/bindings/net/dsa/lantiq,gswip.yaml | 14 ++++++++++++++ > > 1 file changed, 14 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml b/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml > > index 205b683849a53..747106810cc17 100644 > > --- a/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml > > +++ b/Documentation/devicetree/bindings/net/dsa/lantiq,gswip.yaml > > @@ -106,6 +106,20 @@ patternProperties: > > unevaluatedProperties: false > > > > properties: > > + maxlinear,slew-rate-txc: > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + enum: [0, 1] > > default: 0 Not really. The default is not to touch the register value which may have already been setup by the bootloader. > > > + description: | > > + RMII/RGMII TX Clock Slew Rate: > > blank line > > + 0: "Normal" > > + 1: "Slow" > > Indent lists by 2 more spaces. Drop the quotes. > > > + maxlinear,slew-rate-txd: > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + enum: [0, 1] > > + description: | > > + RMII/RGMII TX Non-Clock PAD Slew Rate: > > + 0: "Normal" > > + 1: "Slow" > > maxlinear,rmii-refclk-out: > > type: boolean > > description: > > -- > > 2.52.0 > >