From nobody Wed Apr 8 04:04:57 2026 Received: from TWMBX01.aspeed.com (mail.aspeedtech.com [211.20.114.72]) (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 536E43AEF53; Mon, 2 Mar 2026 10:24:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.20.114.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772447090; cv=none; b=i5hc3aZ72iTxso3H+Ppld5BpYcaOlPNCto46vTunt4LFc9pIOad6ucc77nY7Thtc220rjpXCkEP6/mX3XN6FSiEU9nZsEAfFbwZnyULTST5SBMDUp2KJYhWuof3E+RGYPmAaGLgDmCNFLKkecA4KUB86KDML55R8AVmw6lNMkPM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772447090; c=relaxed/simple; bh=mSTj0/1ebY8L7mt7gTJMaZk9J3MyMEdQcNyTSUI6OwE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=AO4PFpuTjrEG7qtRzYiOSrUY8mrSPRFO0fEQgUSBV5S/5ti9Zyiw42xd310XOYvAJOI05H1G8BHhF8qC3kNPTKIh9Fl8wVJyFDnzJi4INnbG6iNcV5Cyr+LRYPj1/xvuvfpwRLrtsi4BZE3IzpukPuSolIituYLaUAE17/v2Mro= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com; spf=pass smtp.mailfrom=aspeedtech.com; arc=none smtp.client-ip=211.20.114.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aspeedtech.com Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Mon, 2 Mar 2026 18:24:30 +0800 Received: from [127.0.1.1] (192.168.10.13) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Mon, 2 Mar 2026 18:24:30 +0800 From: Jacky Chou Date: Mon, 2 Mar 2026 18:24:32 +0800 Subject: [PATCH net-next v6 5/5] ARM: dts: aspeed: ast2600-evb: Configure RGMII delay for MAC Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20260302-rgmii_delay_2600-v6-5-68319a4c4110@aspeedtech.com> References: <20260302-rgmii_delay_2600-v6-0-68319a4c4110@aspeedtech.com> In-Reply-To: <20260302-rgmii_delay_2600-v6-0-68319a4c4110@aspeedtech.com> To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Po-Yu Chuang , Joel Stanley , Andrew Jeffery CC: , , , , , , Jacky Chou X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1772447070; l=1846; i=jacky_chou@aspeedtech.com; s=20251031; h=from:subject:message-id; bh=mSTj0/1ebY8L7mt7gTJMaZk9J3MyMEdQcNyTSUI6OwE=; b=5fzmv3bsgeb2/RQViDqnCtMOTTx6t3KTiHO1+AoPpZJLdthznMTUVInVZgZpZHoimVgMVO/Ca t+4evIfn0Q2DOJiX+nJBH6rdMAyJo0hfb2mFFnCByKyM59DRd5+oO5e X-Developer-Key: i=jacky_chou@aspeedtech.com; a=ed25519; pk=8XBx7KFM1drEsfCXTH9QC2lbMlGU4XwJTA6Jt9Mabdo= This change sets the rx-internal-delay-ps and tx-internal-delay-ps properties to control the RGMII signal delay. The phy-mode for MAC0=E2=80=93MAC3 is updated to "rgmii-id" to enable TX/RX internal delay on the PHY and disable the corresponding delay on the MAC. Signed-off-by: Jacky Chou --- arch/arm/boot/dts/aspeed/aspeed-ast2600-evb.dts | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/aspeed/aspeed-ast2600-evb.dts b/arch/arm/boo= t/dts/aspeed/aspeed-ast2600-evb.dts index 3f2ca9da0be2..a2a1c1dbb830 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-ast2600-evb.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-ast2600-evb.dts @@ -123,42 +123,54 @@ ethphy3: ethernet-phy@0 { &mac0 { status =3D "okay"; =20 - phy-mode =3D "rgmii-rxid"; + phy-mode =3D "rgmii-id"; phy-handle =3D <ðphy0>; =20 pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_rgmii1_default>; + + rx-internal-delay-ps =3D <0>; + tx-internal-delay-ps =3D <0>; }; =20 =20 &mac1 { status =3D "okay"; =20 - phy-mode =3D "rgmii-rxid"; + phy-mode =3D "rgmii-id"; phy-handle =3D <ðphy1>; =20 pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_rgmii2_default>; + + rx-internal-delay-ps =3D <0>; + tx-internal-delay-ps =3D <0>; }; =20 &mac2 { status =3D "okay"; =20 - phy-mode =3D "rgmii"; + phy-mode =3D "rgmii-id"; phy-handle =3D <ðphy2>; =20 pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_rgmii3_default>; + + rx-internal-delay-ps =3D <0>; + tx-internal-delay-ps =3D <0>; }; =20 &mac3 { status =3D "okay"; =20 - phy-mode =3D "rgmii"; + phy-mode =3D "rgmii-id"; phy-handle =3D <ðphy3>; =20 pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_rgmii4_default>; + + rx-internal-delay-ps =3D <0>; + tx-internal-delay-ps =3D <0>; }; =20 &emmc_controller { --=20 2.34.1