From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from OSPPR02CU001.outbound.protection.outlook.com (mail-norwayeastazon11013058.outbound.protection.outlook.com [40.107.159.58]) (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 9F2D235DA4D; Fri, 13 Mar 2026 15:53:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.159.58 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773417233; cv=fail; b=gUKxPS2i9zSobmlYMRvZSBQBWi8/2fAwyKDsCuIO+mfypoF5LsPG31h7PmPxhNEwIlEvLKenuzWo1O1ww7x+bBUJ5u1HFSsJbzwCiQrRHDeqDlKI69RrZpa32m5aLVhmAilQfShfmo/aajrsEKu283Aw+B2D0Q03PMd2cAmW1AA= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773417233; c=relaxed/simple; bh=u+EJvziiaIfT7SouKtKQyqn1Ou5rVuGNaAR6J4JxNbc=; h=Date:From:To:Cc:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=NqSek9jqAe8KSSPF9+AADFg/EEfugUf7je0Vp6Lr2jdw1PCyGhgFlTKrTnszz0+lldZQMKUdvB9VuffacbfZxMmK752rnzO2B9kBfmPTKJWndFvabk4QymAgJ8i3/Kind20DqQv3TQR0YhPuzKoIdJ2Ot05kcni0FpAom15TI6M= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b=Ia8o6gRf; arc=fail smtp.client-ip=40.107.159.58 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b="Ia8o6gRf" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=GIkj7TppWZKRWSMxwocUFX/Oms84Vnp2XggNmMNlb466xFrlJUL1Bcv0T6zpcBSilfLXkhdQ+IsbMd2ihGF++QGAQa3sRCb1TsUcRmEYaEiqP6oXSjJS4Vmd98cZkC8y5EQvdqImSABvaldVavmwsZLiu7XndOP+YLypjbyk4hgCrM7m5YT+rEy9FlgS0wp9eqjjCfvITJ51+eWBQA0Fhobmc1xpOEt4fzCPENEfPLm7ZK9ZrInbaKMVwGVWuiJO1YAd2tJZznFp2mV1GCzRoueW2KQj2xpk7rM++jUR1bqKBJOfx24USny56XfrBk+PUJGcVjjaa9Mt1OJRsSuD0w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=l3TjDzmRVgxDekiJ2pVLnBAuefBGor0nRo59TdX7chQ=; b=A4Y3eJJnoqoFduUEQ8UUbBqHfiZwhsdgdt041DcpgN4HDPZGiNRIr1e2xaXGc70wno987ZjfUHjj/LixRmH/oomhvLDKNd0oYIqrc8hB26gyNiq/eIzS0cAp+3Ey4KLZrSgPYpSFByItewRjs0s+pHomcYAQ+saWgkrD7zT80Rueesx+YZhxEeSF3j6Lkz+UY0oggTIVcwcyvo3uGtHBFxHu1xeslhOWE4GxqQ8X+FXFI77SEngqbx5FPWGQCrHjz5BvAhXgmvbnzG5WlMXMDu7BJIfkbA3RNPu7OPmIfYhn/rLadA85h3aVvdfO1eiuV5C8BbriGJg1dGWhWSO04w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=l3TjDzmRVgxDekiJ2pVLnBAuefBGor0nRo59TdX7chQ=; b=Ia8o6gRfXBgSZnFBuFV5zFiwFLPvBzksLBPHNcjuD3kyDTVFxU6jUU5NHjbY/txp6iwsm5wI8mBwPnTEHtnZaqeCSGKoVUFZpHYdDKNaKsZvrU4OG5tAHJccalIHo7YI4gNo3fO+keuvsh6Qd66nElrCjIC/Ioc74kqMwUZcWqM9kuJRhSvfB/cpRcO0AJEUFvKJiws+q941K7QKnWHJfTSbRw68t73vTbuUBUV0+m1VZ+pGSdLeSMO76tzgXNudMcMO8t4PEXId8ZGlo6XHS67ZIHOsaoEUGV/l3HBK1V1wLQQgk9o32J7qNGa6P9aWskt5emW3FFx0KV94eO+V9Q== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from PA4PR04MB9366.eurprd04.prod.outlook.com (2603:10a6:102:2a9::8) by GVXPR04MB10898.eurprd04.prod.outlook.com (2603:10a6:150:214::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9700.17; Fri, 13 Mar 2026 15:53:35 +0000 Received: from PA4PR04MB9366.eurprd04.prod.outlook.com ([fe80::75e4:8143:ddbc:6588]) by PA4PR04MB9366.eurprd04.prod.outlook.com ([fe80::75e4:8143:ddbc:6588%6]) with mapi id 15.20.9700.010; Fri, 13 Mar 2026 15:53:41 +0000 Date: Fri, 13 Mar 2026 11:53:36 -0400 From: Frank Li To: Stefano Radaelli Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, pierluigi.p@variscite.com, Stefano Radaelli , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Subject: Re: [PATCH v3 03/11] arm64: dts: freescale: imx8mm-var-som: Update FEC support with MaxLinear PHY Message-ID: References: <24d31e0ca71c9b2dcb64d39117a8501d85cf945f.1772898346.git.stefano.radaelli21@gmail.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <24d31e0ca71c9b2dcb64d39117a8501d85cf945f.1772898346.git.stefano.radaelli21@gmail.com> X-ClientProxiedBy: PH7P223CA0008.NAMP223.PROD.OUTLOOK.COM (2603:10b6:510:338::6) To PA4PR04MB9366.eurprd04.prod.outlook.com (2603:10a6:102:2a9::8) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PA4PR04MB9366:EE_|GVXPR04MB10898:EE_ X-MS-Office365-Filtering-Correlation-Id: 490fa00f-4e7c-4e1a-f7e0-08de8118b2ac X-LD-Processed: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|52116014|19092799006|7416014|376014|366016|18002099003|22082099003|56012099003|38350700014; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PA4PR04MB9366.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(52116014)(19092799006)(7416014)(376014)(366016)(18002099003)(22082099003)(56012099003)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?nmwCVIf4CHPhcrb/HZoBs453hlL387lny/BR01NCs0VL+DPl0rEdI4sWQpr3?= =?us-ascii?Q?OjUA9Jbi7vljLyKKEj5X0x5N0W6ClCn0HNkH/xyXIgR0rKk9x/Ugdg3JHc4M?= =?us-ascii?Q?ZLZjai4JCuE709Opg1H+iYVMcv3sXvbi/GwxIkbH1NH2h4GTltbaYgpFT4mC?= =?us-ascii?Q?q7p3iy3Fmv9hOtp5eubTiWTYSp8AeKJS8uFgeG6/UETgHHzYUAhRpTqWhlB/?= =?us-ascii?Q?6LiolHs1q5w1wrOam501jJ0Bmr6nJARGO9g0qTdl/A1jpIU0T8NmnKt3rpiq?= =?us-ascii?Q?94856V0wLPFO10kYZ1OVJWYxCQecw2TiexcJS2GLKczpqfxi2ucb+im+voNX?= =?us-ascii?Q?gEo+wnBH5xdPC9yGmmTMq32lTXHsQ9kdE4kDBGVNe6xZkvnssu7Dv5atLsdA?= =?us-ascii?Q?nervIad2JWpHlGSXV181+fuB2z8xnGws34V8g12iwrHIoMm1WI0PNBNkCj1Y?= =?us-ascii?Q?b9ifTUGWANKuxcBqNRMVKQSGJNzVMAQGvT8a1msnT8HvU63THmMgvMLMlMCU?= =?us-ascii?Q?Cz7gNU8u3VAsKxPFlODj/9+JS9oWG9onBsuTgjlbriOuLsvY5340cn0NI8vd?= =?us-ascii?Q?xQeX4JpBU/sI0BUPeCC0kAnriZjigljo6wP+AcU8CQeUPel8gAbg5zX+3rQ0?= =?us-ascii?Q?qTXe2B2r1OExFlo553kyIOgso/vfAqmg1fRJ6Td0jL0V32lwduvOQQM+Qm5I?= =?us-ascii?Q?NwDUY1GheV9iOPnQ2kh8j9czIp2Q14jhPsS+Bl4XLkRnIMgfnOy7z7XfclxG?= =?us-ascii?Q?BIZcbSTCHzCTX9chDdtMK4mLutIhhNz2wx5QWeOG2FUKxdMaSZNKw4eIRJTp?= =?us-ascii?Q?cB6LryZfHB34+g1YyAqFEjY8SX/GXhIVS1JzBzPu+YM+X9jfSI1xTO3M973C?= =?us-ascii?Q?eLWG/Bwx4KA53ym5UEqsWFU25GyABHi1VKhfYXnrDQuyzDGgFk/44EZK9pA6?= =?us-ascii?Q?6n9VjQ25Uy0W5TPDDr7iYbbHuY9Ry1h2aobN5MVe1HIzjeC1E9TSedM2TrU8?= =?us-ascii?Q?v63mFB1kwJJrjIzXhrme5roiAzridT6jjvmBLlvaaVTHrEuVI6ZUlRwIxf5Y?= =?us-ascii?Q?hgD+42cHozOq00K1kdvOfRZXFLG9oHAeZNYxJD5WYLpLIL8B2gEOP25Sorlr?= =?us-ascii?Q?OX2J1RzpYKyHyGPOSDTZSEA1HrKnCI7VLApxNLeBecJPG7jyMkPySRuCIjsp?= =?us-ascii?Q?OlZq1UYwPjXvrrzeME8g7/VnFiNMA55+nl3xPGkpPlAA9PsQT36qu6kV9Ft0?= =?us-ascii?Q?uC6z0uV0cYpZavgz0Oqu9oAJJrTbaPvIT+7NfU34XHSAP7geu+GLPDVsWN77?= =?us-ascii?Q?QUgDK3gawIuu1SHThXuhaHX/zhkrWCPNN4hnj44ayWKMrFU/By6aeJzL3wGb?= =?us-ascii?Q?TrvPVwByTGPJgPGJsAwIczpvvfz8nFSbZlGSsc7HKqR3eJbLPSfynwOKeffE?= =?us-ascii?Q?/Y1RXeyiyaUm/+p8+JDCUsVLwbxxermi0/Moutwr5zpQuHYpI3SswmNJ+YfW?= =?us-ascii?Q?ing/cQaRfDRdDLW02zBsUhIFtEEE2YjqH/lDcDSpNALFsTN2xxPMCPMVL2zd?= =?us-ascii?Q?1fzlYLoEEiuNSSrxQHpoFYfGvOj8VviWBNhxGKhui/zr8EN4Qu5XwaFadvcE?= =?us-ascii?Q?vmGl9iyLxJ/fbcV1bbT+kMKuI9rFEMY4krG2DvXd//YqOqEcPgGS/SLYF5rf?= =?us-ascii?Q?kmjpdjLzTOlByhiXwJ4WNCEmq6tLujAkxpLRjL5VegGH6085uBMJnrc3O8Gi?= =?us-ascii?Q?LqnfkljuPg=3D=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 490fa00f-4e7c-4e1a-f7e0-08de8118b2ac X-MS-Exchange-CrossTenant-AuthSource: PA4PR04MB9366.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Mar 2026 15:53:41.2494 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: vwWSPW3ZfNBlXYONTMIUivzS5Y+BkSFJa1wS9Nd/DLj/7Xpr4B0oDyViKeB1rIvz/eMZf5sTHk3ePnSRW2BRfg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: GVXPR04MB10898 On Sat, Mar 07, 2026 at 04:54:39PM +0100, Stefano Radaelli wrote: > From: Stefano Radaelli > > From: Stefano Radaelli > > Update the FEC Ethernet controller on the i.MX8MM VAR-SOM to match the > latest SOM hardware revision using the integrated MaxLinear MXL86110 PHY. > > Add the PHY VDDIO supply regulator, adjust reset timings and add a > pinctrl sleep state for low-power operation. > > The PHY LED signals originate on the SOM, but the actual LEDs are part > of the carrier implementation (RJ45 connector). Move the LED > configuration to the Symphony carrier device tree, matching the > evaluation board LED wiring. > > The enet_rst GPIO hog on the carrier is kept to ensure a defined > board-level reset line state during boot. > > Wake-on-LAN via magic packet is not supported at the VAR-SOM level and > is therefore not enabled in the SOM device tree nor in the official > evaluation carrier board configuration (symphony). > Designs requiring WoL support may enable it in their own carrier-specific > device trees if properly integrated at the hardware level. > > > + enet-rst-hog { > + gpio-hog; > + gpios = <5 GPIO_ACTIVE_HIGH>; > + output-low; > + line-name = "enet_rst"; > + }; > + Any enet referent to this gpio node, otherwise can't guarantee device probe order, maybe enet driver probe before gpio. rst is critcial signal. Frank >