From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3C9BBF8A15F for ; Thu, 16 Apr 2026 11:14:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version:Content-Type: Content-Transfer-Encoding:References:In-Reply-To:Message-Id:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=BxEOfEJmu7MQ0GpoL37Z+tjpmvyLoWFu6FhEGGtd7t0=; b=erKZ9CkksbbSZ77QNTg5U89BLU p/nrdLeUEgDeLRJYfOWq0J2SY+Ut+LBiOr/bLK8Ijbf7g7g0PzTd6ZTPJv/2J3LDyjnFVvx28KRLo r6uDEQkBBD13sHIYDC2QWmAYcL/V3300Z+RJHd/P9UdmwdxEQSDDC+ENjjivXfPlr7ylzIXxPGCmc +hvV7uI+XZIv1RdhjBgzZxXm1F1cB8NHR0IfVliM5YVreZ8xiO3JNSH+ugqOW/YWFqXWBx2tQgg+x 0garLFqdRLQOtZgBlroExvmIEcUb0cG0R4/7SknwK3FkfNJ9d/8yYSumgw7DjFTzC9H5wZOYle1TA eWpqqshw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wDKfe-00000002MMo-235u; Thu, 16 Apr 2026 11:14:06 +0000 Received: from mail-westeuropeazon11011021.outbound.protection.outlook.com ([52.101.70.21] helo=AS8PR04CU009.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wDKfb-00000002MKS-34Fa for linux-arm-kernel@lists.infradead.org; Thu, 16 Apr 2026 11:14:05 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=aOQvGm4XMv6cqH5eFDKEuILnpuhrpuWAZJy4GKOCtG+r+uRZ/uDM2AdvZZ8AWsUHr+kUXw8R3L+w/7xTP3Rxsh3qxgPqcaupy+7DtWEezvfuZqwbTjaPt2qDS08bZJu1nhFkfsi8UCvAyFOwvP23r4LNR/5kljcDo+sam4dgtl1XLYMGtuAXMkUdLD1/bPfCvwzeQuDJ7OIAULxVpkvQV8EbqJOqyA19FHw+2edm0IjWkiLVPgWoZOKmEuScH4QRLA+brtc/k9PFUYnz5DMBEQt+4bwz7YC6+LNPVw74wxleGnMrasbXQspREtoXuIm0Bh4UnSmbwPVhzXUOXJ6XWg== 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=BxEOfEJmu7MQ0GpoL37Z+tjpmvyLoWFu6FhEGGtd7t0=; b=O+ZlbtO3UQeefnpZY7YvGOp9r5KGAzPC41EyF6CVCohmyk2q5xs61ccvF99XGPIR5RWu6kRkqZc3hPGttASwWPWQe60dH3/V/DaMgZem/c0pIhdlUlH9BV5r9NrxmNzHXvLLyi8hcqOdmpQQEQLmrfiQ8gC0Jd7a6CfDCiFAsZzE2fJSH1lKs6sxlGPZyqs7w1/yhiVgD4T0MUXD+bYN5vHGTogtWBnzmA13TQF0ydT3okp2EZnKcli74BDAZBS5SCB3YwanmZ8CqjSYBLes6aHVFhIk36DiMfrBfYmkAB9MPyxwxjIcAuVKOdxEqR0mvkjR1LrYb31jOkzk65d3Cw== 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=BxEOfEJmu7MQ0GpoL37Z+tjpmvyLoWFu6FhEGGtd7t0=; b=niYOWNygv49vHn72+g5neiB1VamXP84KwtkHAHHBRVfeW1sV3gKVkB+XqkW61EQR8rEMH/bI5V9fBL7kly0WcrU3kOR0Ck/88b+5j5uDxx8X6cC9f/cftqoL2siY72l3iAGQi4MBeYf7J/5FG068iDM2+ehypxdc/VlNCqmHTZUHIfJeArvOIVPPHaG46g3YKzWWe5cdWuQtMA6okKhpPQsOIBIXAB1kUr1KkF3THVyF4LRfZ3nOe5Nc0UtDBoRt9yQeTEXPn/dsc2TMvrjEKWVehQYkBAHObLoxWlVB/gx/xuobtk3dnJRIAG6v38ocqKFtNLGHn/XvAugpFWGsug== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from VI0PR04MB12114.eurprd04.prod.outlook.com (2603:10a6:800:315::13) by DBBPR04MB7897.eurprd04.prod.outlook.com (2603:10a6:10:1e7::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9818.21; Thu, 16 Apr 2026 11:13:55 +0000 Received: from VI0PR04MB12114.eurprd04.prod.outlook.com ([fe80::feda:fd0e:147f:f994]) by VI0PR04MB12114.eurprd04.prod.outlook.com ([fe80::feda:fd0e:147f:f994%6]) with mapi id 15.20.9818.023; Thu, 16 Apr 2026 11:13:54 +0000 From: Sherry Sun To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org, bhelgaas@google.com, hongxing.zhu@nxp.com, l.stach@pengutronix.de Cc: imx@lists.linux.dev, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V13 09/12] arm64: dts: imx8mp: Add Root Port node and PERST property Date: Thu, 16 Apr 2026 19:14:19 +0800 Message-Id: <20260416111422.183860-10-sherry.sun@nxp.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20260416111422.183860-1-sherry.sun@nxp.com> References: <20260416111422.183860-1-sherry.sun@nxp.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MA0PR01CA0076.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:ad::17) To VI0PR04MB12114.eurprd04.prod.outlook.com (2603:10a6:800:315::13) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: VI0PR04MB12114:EE_|DBBPR04MB7897:EE_ X-MS-Office365-Filtering-Correlation-Id: b0ec9c14-fe50-4a69-563e-08de9ba93f53 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|19092799006|7416014|376014|52116014|1800799024|38350700014|921020|56012099003|22082099003|18002099003; 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:VI0PR04MB12114.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(19092799006)(7416014)(376014)(52116014)(1800799024)(38350700014)(921020)(56012099003)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?7HvC1W0bPVwY/clV2ST9ZvkJMSgdZ/EmfPOpmKSwKKS+3jbhjl4TtctwvXIH?= =?us-ascii?Q?GS9cy4pdno297arPRIgjydV1xadY1eaX7eq7e5F0jkBHoBs9FiQF/auWarEj?= =?us-ascii?Q?h6/DZFhYJQt2/A3gYldXWtSLUA/QQcwcMzqD0T2zgMEJ0WsTOFtwLPr4RPeK?= =?us-ascii?Q?zyPKE0JU4gB7pk3myzyw0eqYfH/UNX0Jh7wMcoE2Ch2p8SjHmv8W040J0wpq?= =?us-ascii?Q?DSyahdsDcwAsU7b18qMF0KW2MSvORtXgAUc8f9BF+dNEnFm8crxY+gFbulwG?= =?us-ascii?Q?nIDM7+IyKZPI+SAlaAJVcKzl20dtFWD4cG9Sq4Kqc3qdn1Hd/nee0YZeemOi?= =?us-ascii?Q?3TzTf4sXba1NI+olW9iVMYv1IFf0XFTQvlcHk4TwlentL1Kp0ZkViA7QXSTf?= =?us-ascii?Q?HNg7E3YPnuYxcPNZVi2G0TdMLTjmUBFzOZqBh0lJp0pgoRXMy+2Y1XmHImWz?= =?us-ascii?Q?sBm0LuYznSaP1isFBEWo4OTkW8tZDhKvaBtL2c7OzC/QBBN/zgGaJeIwiZ12?= =?us-ascii?Q?MchSr51l3xyTiQmo/5I0bUgHMxxyLpcqK/HFjTQ+9CNAmcELO2/B8UzrpjcY?= =?us-ascii?Q?AGn5jNZ+EPZmHV/O5azj5qWaO0IK9dQKoxmZ9g1G3SlR7XlVwHpNqm7+lFEa?= =?us-ascii?Q?5YxmgxaBcoCPzFef9PUmWgbYbZaWZRQzQrGIkWMn+Qi2/DARwjgZ9hr2y5Ah?= =?us-ascii?Q?Yy2/H8OV+6IZ1ImVc9P6jmj3GzQHxJt5GRjXbPwx0cSorUZnwAJ1QF01bn4g?= =?us-ascii?Q?BaMUoEJ3ZBfodo/Yt2EMsb0Clc5P2zrFc0uuqt0m/7Mt5O+Lzec2IbD0bngh?= =?us-ascii?Q?hlV6Rm992w7AyjTs8ZMWf4J7N/iZsKNRJFKaa6H/mxWRoie3nPFOoiUNdQPm?= =?us-ascii?Q?+6iyS3NVBdyADEM9t0oYbQWy31qpYtUYdqb1nkN2+MJMKjZAS2y5OIfLmWK2?= =?us-ascii?Q?kXsG123hleebCdiJXKZeabzLY1CP97PaRHR2znohqhGsNfXK1AEQ7P/kF9OC?= =?us-ascii?Q?9yS8/PmcXUWcaKYUCyudju9XIQKI5OGAkVqM5tXolOipWhBjEnxf/MPJg9mm?= =?us-ascii?Q?u8sZJ51jKH//vv28Mg+45hPRI5cYodpyfOKlCcLe7FXa9q/dGusk8JCsp0Aw?= =?us-ascii?Q?e1Ug81hzjR9lPIVaVcKaXxvlUlkD1JsA4WviJ81XdnD6S0ODK6/yWZM7hevY?= =?us-ascii?Q?TB1w2hKtP/8qTFjwOzmOefURfBw/cVxv/rlZLbzJYENSDKamv0R5MNR2FSTJ?= =?us-ascii?Q?rfHSUV4LkBf3Dico9MQJQ4ZHltvUuZhycbSQEf5Q7OcrOL68GJlhIFby/EWN?= =?us-ascii?Q?qPKc9ggttYUHyghn+p22KUNZwaXqahnZKrbfTgoyoDQ+/9vRFEQ1bBq2+oKP?= =?us-ascii?Q?sRIZBK6zr05+Q5hHI7pf+uL65zkvxs6sF+1mMouLf55oM7c+9xHFMjjYIw98?= =?us-ascii?Q?u6DHsNZYUAZINZKb7jD2WJtiy6tqOkRPsPfMuT/qiYdJhfUbGMdDdLqp33ok?= =?us-ascii?Q?yEGVptB+Hhw0P2lSEJNMDhFAt4sT/xbGaV2NSDmp+uaDFXKtvokd7vRaKDnz?= =?us-ascii?Q?wbMPTVxZ6Psm2d3zmzFSGTas2HfxPhQBleTs4gHd4IypoQmnADquHclFyIut?= =?us-ascii?Q?UNXDvAb/3Nv6h14hzZwMDMbpw6FExwrhEfwVn20W/rqOU+ll+Mye4Av0Oa61?= =?us-ascii?Q?EJ4F8Nku44F3YjajYg7keLp0Jr5zPpe7zlJuD6SqmbUI9ighcAwCGCcgQuWb?= =?us-ascii?Q?FYs3ougbAA=3D=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: b0ec9c14-fe50-4a69-563e-08de9ba93f53 X-MS-Exchange-CrossTenant-AuthSource: VI0PR04MB12114.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Apr 2026 11:13:54.8115 (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: C5atVCZ6FIk5RoPO8g4GfOG4GxHv6U6zDp+npJAjXm9f4LB3KJUHvCJ45HmSBp1CEOjMXQgVCS/jLTVYoOwxMw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DBBPR04MB7897 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260416_041403_790927_842D88A6 X-CRM114-Status: GOOD ( 10.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Since describing the PCIe PERST# property under Host Bridge node is now deprecated, it is recommended to add it to the Root Port node, so creating the Root Port node and add the reset-gpios property in Root Port. Signed-off-by: Sherry Sun --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 5 +++++ arch/arm64/boot/dts/freescale/imx8mp.dtsi | 11 +++++++++++ 2 files changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index 2feb5b18645c..a7f3acdc36d1 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -770,6 +770,7 @@ &pcie_phy { &pcie0 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie0>; + /* This property is deprecated, use reset-gpios from the Root Port node. */ reset-gpio = <&gpio2 7 GPIO_ACTIVE_LOW>; vpcie-supply = <®_pcie0>; vpcie3v3aux-supply = <®_pcie0>; @@ -783,6 +784,10 @@ &pcie0_ep { status = "disabled"; }; +&pcie0_port0 { + reset-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>; +}; + &pwm1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pwm1>; diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 90d7bb8f5619..5ce2825182fd 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -2265,6 +2265,17 @@ pcie0: pcie: pcie@33800000 { phys = <&pcie_phy>; phy-names = "pcie-phy"; status = "disabled"; + + pcie0_port0: pcie@0 { + compatible = "pciclass,0604"; + device_type = "pci"; + reg = <0x0 0x0 0x0 0x0 0x0>; + bus-range = <0x01 0xff>; + + #address-cells = <3>; + #size-cells = <2>; + ranges; + }; }; pcie0_ep: pcie_ep: pcie-ep@33800000 { -- 2.37.1