From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f66.google.com (mail-wr1-f66.google.com [209.85.221.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 559EC313281 for ; Wed, 7 Jan 2026 10:25:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.66 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767781504; cv=none; b=rGt63+kjnUBdcQG80b/vgQtVQqYq9C1BakuueJeqoSnMLnT8P/ZX/UeKJE7VRHo8aXWdQPG3ic1ZvsBWXnfULtTMOqUVIqricRB3oFhxNNeKseT8bJSND84GCYZgF1wpfihI6WeeYGmSWyhx6p44XQNcQizLmolTb96JiBmgBao= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767781504; c=relaxed/simple; bh=cTvGRbomyBZQnV+yZJHifvwVeWf6GxW9l/M7+SaVQ2o=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=FuOdbAvVBkfpmlQ8HdjMOrOTMypKBR11R2n8XhpJo1ID1Y4gKv05XoJVGeimCPrEYTIjp3SOjVZNpFAlVVkI8DeqYDe/ORpgGI7SR8IglbbRM3zF6OdihIZMX+SCZ0Yna9wv5A+Ccoaum9Zj3YRJ0KfGpCDIDrlU03UIU7CbRqo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=mpbbNCJC; arc=none smtp.client-ip=209.85.221.66 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="mpbbNCJC" Received: by mail-wr1-f66.google.com with SMTP id ffacd0b85a97d-42b3d7c1321so1102392f8f.3 for ; Wed, 07 Jan 2026 02:25:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1767781502; x=1768386302; darn=vger.kernel.org; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:from:to:cc:subject :date:message-id:reply-to; bh=cTvGRbomyBZQnV+yZJHifvwVeWf6GxW9l/M7+SaVQ2o=; b=mpbbNCJCym1xp3J55yz6aR3xDa6yBTQlmdzgymRat9v7XDiycm87DpKC40ci5BCu9g ag19P4JcJw1rNVmgTc9o3rQ/ibEf11kcuo6Mm6kZ3o/sdqAWhZoIYLZg8LqeEErF9OKD D7YoqWl+LXz8KqCislrZo/b96GooiJOT8HMMUtXFgQ7JdtOZgT7jM9ZWmurhjrdF43WR +1QD5wedOPq+k/+L3IQOKJoUanJGnQNjG8Pi+3AIe6v3rV1s3URBNGYy4momShxcnt3D O/GCw9lJBMSPwtROFFS97VX7eHO3lAjGwJE4KQpBRDMT/zNVJlYv8/v8aZmeqnJ/KqNV TwAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767781502; x=1768386302; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=cTvGRbomyBZQnV+yZJHifvwVeWf6GxW9l/M7+SaVQ2o=; b=q3ATcTQpDVYt13TgtlnpFBafExt6PHzNRcA81SgR7APpN/nOSQ//5FXxUuoH9+S70n AnIdaIS63IY4eYwDBmGlnE3DveIlmQHRTm6AtS+HGy93rXSC4fwyD5qGLt1DwXygADo7 VMCsm8xcBIpgBOSyy1EyEESLfDJ7Y6byaIauz5FvEoCYmSxmC1w7M+laGI/LnngE6Hew j6+aQ//37QHd2TIb5rACVGxptCYgF8HB8oDsPG8MFbonRdw7mIDKcMBBLWDY0SR2iFaY Gegy6ogHBqPDPHWThyt7tuD8Ns1bWcnJ0bVOuNJmMAPLRDZ0jf06paf5yoFSsHjfGn3p Lrsw== X-Forwarded-Encrypted: i=1; AJvYcCWk2KH3xTKETjkgBCoFXfatcm10zjFDyLy27b7VepZcd5EfA4VNF2cbn1AE0OMy0Nt2qDHPgOm912ZEnLA=@vger.kernel.org X-Gm-Message-State: AOJu0Ywi6M+aaFvLN/APP1m/968wuW6ztKlJsDWf8JDN6+glpn3eZPMv +WgbQ1RdWcJd9NEzB6Ma8vgkhAtcrBoGgTIuaqJB7o1APRmP2r/USYipEckNE7j3 X-Gm-Gg: AY/fxX4ELKupFcXdgc1xhu4coVROqK/a12UDtNqLQwA6kwmreawYEaJJzf/ugPE00eK KRXHUAseSSW6BJf0+nHeSXzTK0B433Vp1mgcwoip288MYVKjdhzs+qqLLKFtXUal/uhfDZn56Xw cYzQh+MF2Zw+XCkLaD9GqF7LuXDpymm9F9DGhep/eOmOYkRjLqRVXXIvyAXD4fs4dG4s2cCmAlq 7QKtQxvj66pHXxuo+MA9x2llcE0QKvbQWCzvyCSL/xq9e4zAwo5197SaVXi1480zkOwZXU5VNMV Qz0WBBTTwr4p/QyF2upIkfs26j48H/lNzCgb1XzGrWN5bPen8UU4PjXhJr2tDimDDfBqdmhDkUX ZyzHaGSMv9c/KbC3VX68i2ZGwIfQtPNJOdeWpWj2pn6CZ2NvcQxQQXV7gh55wB8KmvBnKsvyXm2 6cB0ii7j9+nv1aafFiNT0= X-Google-Smtp-Source: AGHT+IHjhtmQPgtjUxH7G5aqK4V2+BWaRftwiGSeqgLK0QdYBuHzVzzSrn7JqQF0ls+ysYMxHM47Dw== X-Received: by 2002:a05:6000:40c9:b0:431:48f:f79e with SMTP id ffacd0b85a97d-432c3775b58mr2421958f8f.25.1767781501603; Wed, 07 Jan 2026 02:25:01 -0800 (PST) Received: from [192.168.1.187] ([161.230.67.253]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-432bd5feaf8sm9351598f8f.39.2026.01.07.02.25.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Jan 2026 02:25:01 -0800 (PST) Message-ID: <0ef03e2e1eb383eb0501d000704333f850652a4d.camel@gmail.com> Subject: Re: [PATCH v2 2/2] dt-bindings: net: adi,adin: document LP Termination property From: Nuno =?ISO-8859-1?Q?S=E1?= To: Krzysztof Kozlowski , Osose Itua Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, michael.hennerich@analog.com, jerome.oufella@savoirfairelinux.com Date: Wed, 07 Jan 2026 10:25:43 +0000 In-Reply-To: <20251227-perfect-accomplished-wildcat-4fcc75@quoll> References: <20251222222210.3651577-1-osose.itua@savoirfairelinux.com> <20251222222210.3651577-3-osose.itua@savoirfairelinux.com> <20251227-perfect-accomplished-wildcat-4fcc75@quoll> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Sat, 2025-12-27 at 13:29 +0100, Krzysztof Kozlowski wrote: > On Mon, Dec 22, 2025 at 05:21:05PM -0500, Osose Itua wrote: > > Add "adi,low-cmode-impedance" boolean property which, when present, > > configures the PHY for the lowest common-mode impedance on the receive > > pair for 100BASE-TX operation. > >=20 > > Signed-off-by: Osose Itua > > --- > > =C2=A0Documentation/devicetree/bindings/net/adi,adin.yaml | 6 ++++++ > > =C2=A01 file changed, 6 insertions(+) > >=20 > > diff --git a/Documentation/devicetree/bindings/net/adi,adin.yaml > > b/Documentation/devicetree/bindings/net/adi,adin.yaml > > index c425a9f1886d..d3c8c5cc4bb1 100644 > > --- a/Documentation/devicetree/bindings/net/adi,adin.yaml > > +++ b/Documentation/devicetree/bindings/net/adi,adin.yaml > > @@ -52,6 +52,12 @@ properties: > > =C2=A0=C2=A0=C2=A0=C2=A0 description: Enable 25MHz reference clock outp= ut on CLK25_REF pin. > > =C2=A0=C2=A0=C2=A0=C2=A0 type: boolean > > =C2=A0 > > +=C2=A0 adi,low-cmode-impedance: > > +=C2=A0=C2=A0=C2=A0 description: | > > +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Ability to configure for the lowest com= mon-mode impedance on the >=20 > Either this is ability or you configure the PHY, as written in commit > msg. The latter suggests that's a SW property, not hardware, thus not > for bindings. >=20 Looking at the datasheet this looks like a system level decision. With the = above it seems we'll actually use more power and it is suited for designs where t= here is common-mode noise reaching the phy. So it feels like something we would put= in DT...=C2=A0 But I agree the commit message (and maybe the property description) should be better in reflecting why this is used rather than just saying what are w= e enabling. - Nuno S=C3=A1