From mboxrd@z Thu Jan 1 00:00:00 1970 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 9A75E30AAD3; Mon, 10 Nov 2025 11:10:12 +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=1762773014; cv=none; b=JqYkERl+YBLQFKBraSV6/Abdk2mQkrFQBO3LhRuLVVYs/ONZ6gPcVHWRDQXGSgUxX+cL9bjSAVmDVli1oraQVAu5BkqMI42xDMhu4i/e3x4EdhKWnk9MaMzIKDnTEa2TmXo/9vlXSDDjdFY1rbjfvRYQ+C7PtPXfvAs1tk9Nv54= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762773014; c=relaxed/simple; bh=YdhWtldgK+x4gz0hMpUXUNmL81whKPQJ/baoTpGSTTk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=DtQvQJWxz8/kcYsTyN/xVQs+HqWpu7bOT92SbAhs7BnXvub+BemERDaonLlhmV0u81uFRuOpngPchNRkL6VUDk1+bp4A+7tiCCRPeuL6+7oywhEWgcR+IcihtHCJwrIR7NaOJuSgELj3EGA5r0ZvYIvzFcYLa2OZVcdJTuPegMU= 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, 10 Nov 2025 19:09:56 +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, 10 Nov 2025 19:09:56 +0800 From: Jacky Chou Date: Mon, 10 Nov 2025 19:09:27 +0800 Subject: [PATCH net-next v4 3/4] ARM: dts: aspeed: ast2600-evb: Configure RGMII delay for MAC Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-ID: <20251110-rgmii_delay_2600-v4-3-5cad32c766f7@aspeedtech.com> References: <20251110-rgmii_delay_2600-v4-0-5cad32c766f7@aspeedtech.com> In-Reply-To: <20251110-rgmii_delay_2600-v4-0-5cad32c766f7@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=1762772996; l=1846; i=jacky_chou@aspeedtech.com; s=20251031; h=from:subject:message-id; bh=YdhWtldgK+x4gz0hMpUXUNmL81whKPQJ/baoTpGSTTk=; b=uFQ673lRe8/ngw4JWe4Xv4O1M2pMV5gWW3jULRMOSbequaVBXzdyXcDhUwsH6qFJaiMbQ6CAZ 42oiAFhhrXlC0HPRJVdV+Fafs/n9lDQ6lEZWL2xWkyMl4/ownUAdRj+ 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–MAC3 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/boot/dts/aspeed/aspeed-ast2600-evb.dts index de83c0eb1d6e..f8f0d5c98514 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 = "okay"; - phy-mode = "rgmii-rxid"; + phy-mode = "rgmii-id"; phy-handle = <ðphy0>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_rgmii1_default>; + + rx-internal-delay-ps = <0>; + tx-internal-delay-ps = <0>; }; &mac1 { status = "okay"; - phy-mode = "rgmii-rxid"; + phy-mode = "rgmii-id"; phy-handle = <ðphy1>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_rgmii2_default>; + + rx-internal-delay-ps = <0>; + tx-internal-delay-ps = <0>; }; &mac2 { status = "okay"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-handle = <ðphy2>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_rgmii3_default>; + + rx-internal-delay-ps = <0>; + tx-internal-delay-ps = <0>; }; &mac3 { status = "okay"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-handle = <ðphy3>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_rgmii4_default>; + + rx-internal-delay-ps = <0>; + tx-internal-delay-ps = <0>; }; &emmc_controller { -- 2.34.1