From nobody Sun Feb 8 16:04:59 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA905C001DB for ; Mon, 7 Aug 2023 19:31:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230388AbjHGTbl (ORCPT ); Mon, 7 Aug 2023 15:31:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230140AbjHGTbh (ORCPT ); Mon, 7 Aug 2023 15:31:37 -0400 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B7621726 for ; Mon, 7 Aug 2023 12:31:35 -0700 (PDT) Received: by mail-wr1-x42a.google.com with SMTP id ffacd0b85a97d-3090d3e9c92so4240990f8f.2 for ; Mon, 07 Aug 2023 12:31:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20221208.gappssmtp.com; s=20221208; t=1691436693; x=1692041493; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=eAPKS4SAXmZKxicJb9ydkGPtaas2WIonOZ7to+HEfxA=; b=tOmh3T/d1Kx4g5+xfWbagK8zeGuje07up/l4PO1tcHXwuVmvIvKezEFEUOszEceBwv WLoDiMbUQkX8jTprThvfI+94af++yK1HBv5TLq1zf5liFa6GUHWuLrbyYBO0KyAAx0sW G2YMRuSYtUZkPA6TUkDb0scVx1tV5W+yGsHfFKU+iwvrWydYuU/0Yd+dyq0Z6CgdXhCl kxKph2hAcWnEy/TuTREzxTULR40oj+9vctCBPlWjIp1S+PjMazFOy9kN+l9V1dn6ae0X x8M6Hk9pZxtjeD89oR/plTnS6CIGysZeXPcQ6k/Tppw434ibY95fOMnSJJIDiU5GfYxO OpuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691436693; x=1692041493; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=eAPKS4SAXmZKxicJb9ydkGPtaas2WIonOZ7to+HEfxA=; b=ayYEAN6jtgNPSf2r3+II1FnY5Z4vhhFjjfYNnJX3PV7XYknfW1CvVYUY+Grchh42tw 7PT5GbJCsjjupFuZWTxriB/ldVcjjamOivjByDPaaZVGamidQDlqOHeDBeTNTtZHp1YK bLiUZdSnATWatqgaHa+dAQJINvUj1tIrjjjro7JChihV8X/kvSEsvpkNdj6CGI95e7CX XLbHtF0TY/hF9xSnMEoVkD4Fg0y65qTcug4ryxblQJt4VjF0wYcTfPo081Q8QltyVgo7 IMEZqSl+HKZ9i2Oy3krclPIF5oVFLjJ3B+W8DkAVz9BtbG96iJUdXlJkAUKKikjQ4wry B7Jw== X-Gm-Message-State: AOJu0YwSerWNzwB1CSnf/aqp8HKSssRdHAResL5Glc2B+RphnGZAqYai vetHi0nuYGqGC7gpQPt/ulWJsw== X-Google-Smtp-Source: AGHT+IFftT9bB5ixmjqvw1q7hvp1QMCeUhqraDuekV0noaWoXd5f9+2RWAbtpR5sMmr8DxPlkMO5oQ== X-Received: by 2002:a5d:6683:0:b0:317:67fa:eeb4 with SMTP id l3-20020a5d6683000000b0031767faeeb4mr7411809wru.57.1691436693519; Mon, 07 Aug 2023 12:31:33 -0700 (PDT) Received: from brgl-uxlite.home ([2a01:cb1d:334:ac00:b3d6:9e6:79d9:37cd]) by smtp.gmail.com with ESMTPSA id l7-20020a7bc347000000b003fbdbd0a7desm15985654wmj.27.2023.08.07.12.31.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Aug 2023 12:31:33 -0700 (PDT) From: Bartosz Golaszewski To: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Andrew Halaney , Alex Elder , Srini Kandagatla Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Bartosz Golaszewski Subject: [PATCH 1/2] dt-bindings: net: snps,dwmac: document the snps,shared-mdio property Date: Mon, 7 Aug 2023 21:31:01 +0200 Message-Id: <20230807193102.6374-2-brgl@bgdev.pl> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230807193102.6374-1-brgl@bgdev.pl> References: <20230807193102.6374-1-brgl@bgdev.pl> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Bartosz Golaszewski Two MACs may share one MDIO lines to their respective PHYs. In this case one of the MACs is the logical "owner" of the bus, while the other can be considered a secondary controller. Add a new property that allows one MAC node to reference the MDIO node on a different MAC over a phandle. Signed-off-by: Bartosz Golaszewski --- Documentation/devicetree/bindings/net/snps,dwmac.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Docume= ntation/devicetree/bindings/net/snps,dwmac.yaml index ddf9522a5dc2..f9c2285674d1 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -500,6 +500,12 @@ properties: required: - compatible =20 + snps,shared-mdio: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the mdio node defined on a different MAC node which this + device shares. + stmmac-axi-config: type: object unevaluatedProperties: false --=20 2.39.2