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GET /api/patches/2194506/?format=api
{ "id": 2194506, "url": "http://patchwork.ozlabs.org/api/patches/2194506/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260209082454.2097628-8-sherry.sun@nxp.com/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260209082454.2097628-8-sherry.sun@nxp.com>", "list_archive_url": null, "date": "2026-02-09T08:24:50", "name": "[V4,07/11] arm64: dts: imx8mm: Add Root Port node and PERST property", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "ffc89f47cf41525da5762048fbaa6ba79f00a818", "submitter": { "id": 77063, "url": "http://patchwork.ozlabs.org/api/people/77063/?format=api", "name": "Sherry Sun", "email": "sherry.sun@nxp.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260209082454.2097628-8-sherry.sun@nxp.com/mbox/", "series": [ { "id": 491476, "url": "http://patchwork.ozlabs.org/api/series/491476/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=491476", "date": "2026-02-09T08:24:43", "name": "pci-imx6: Add support for parsing the reset property in new Root Port binding", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/491476/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2194506/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2194506/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-46993-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", 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"DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=gboInUYbdyhxKo27lO7q9QC8e/h2POTBxZYRuF7CkfI=;\n b=WbhmXzk13RJcSzs1C/QDNcDhe2w7rfmpOsWzBFFKPm/wHR7wgUGK83fV3jxrHYEi3sbNy8ODXBWqY5CaFqDJPzBnFOtRpWN/zDFHDQ0PzzNybGch0V5EcBSuM2hI9s3zG3ly/C6oDvrmovoMpXpOnkAXKGwzR0LNDT7HKlZIj3USAxKcSUqjHEYLc3OFugVNxq45gIPM/vcAIn5NE+r46R+BGdvPVjBDz2m1mPHVKlbpTRVQhKtxVVG/qyLhAKl/B3wjgzXenmLJaFofavLZeC6QPZ1Gk/XJzNrIHvynxt5Ax6bEfdGR0Ud7aLN//Z0HxDr1j4P83h71jT7U4Tm3Tg==", "From": "Sherry Sun <sherry.sun@nxp.com>", "To": "hongxing.zhu@nxp.com,\n\tl.stach@pengutronix.de,\n\tFrank.Li@nxp.com,\n\tbhelgaas@google.com,\n\tlpieralisi@kernel.org,\n\tkwilczynski@kernel.org,\n\tmani@kernel.org,\n\trobh@kernel.org,\n\tkrzk+dt@kernel.org,\n\tconor+dt@kernel.org,\n\ts.hauer@pengutronix.de,\n\tfestevam@gmail.com,\n\twill@kernel.org", "Cc": "imx@lists.linux.dev,\n\tkernel@pengutronix.de,\n\tlinux-pci@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org,\n\tdevicetree@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org", "Subject": "[PATCH V4 07/11] arm64: dts: imx8mm: Add Root Port node and PERST\n property", "Date": "Mon, 9 Feb 2026 16:24:50 +0800", "Message-Id": "<20260209082454.2097628-8-sherry.sun@nxp.com>", "X-Mailer": "git-send-email 2.37.1", "In-Reply-To": "<20260209082454.2097628-1-sherry.sun@nxp.com>", "References": "<20260209082454.2097628-1-sherry.sun@nxp.com>", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "SI2PR01CA0039.apcprd01.prod.exchangelabs.com\n (2603:1096:4:193::16) To VI0PR04MB12114.eurprd04.prod.outlook.com\n (2603:10a6:800:315::13)", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": 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", "X-OriginatorOrg": "nxp.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 217fb3bb-bec1-43e3-6e56-08de67b4a77d", "X-MS-Exchange-CrossTenant-AuthSource": "VI0PR04MB12114.eurprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "09 Feb 2026 08:24:33.6156\n (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": "\n 6894HaJx3+pJdLlELASMgzsvwTsmJW4GLuvQSQ4xpNH0Ecz5dfMIQf5aZ2I6+UwOi4TnrVMINNSucA+Kf7aKWg==", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DB8PR04MB7180" }, "content": "Since describing the PCIe PERST# property under Host Bridge node is now\ndeprecated, it is recommended to add it to the Root Port node, so\ncreating the Root Port node and add the reset-gpios property in Root\nPort.\n\nSigned-off-by: Sherry Sun <sherry.sun@nxp.com>\n---\n arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 5 +++++\n arch/arm64/boot/dts/freescale/imx8mm.dtsi | 11 +++++++++++\n 2 files changed, 16 insertions(+)", "diff": "diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi\nindex 6eab8a6001db..060860f24e7a 100644\n--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi\n+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi\n@@ -533,6 +533,7 @@ &pcie_phy {\n &pcie0 {\n \tpinctrl-names = \"default\";\n \tpinctrl-0 = <&pinctrl_pcie0>;\n+\t/* This property is deprecated, use reset-gpios from the Root Port node. */\n \treset-gpio = <&gpio4 21 GPIO_ACTIVE_LOW>;\n \tclocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&pcie0_refclk>,\n \t\t <&clk IMX8MM_CLK_PCIE1_AUX>;\n@@ -559,6 +560,10 @@ &pcie0_ep {\n \tstatus = \"disabled\";\n };\n \n+&pcie0_port0 {\n+\treset-gpios = <&gpio4 21 GPIO_ACTIVE_LOW>;\n+};\n+\n &sai2 {\n \t#sound-dai-cells = <0>;\n \tpinctrl-names = \"default\";\ndiff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi\nindex 9f49c0b386d3..1204cc4d3f37 100644\n--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi\n+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi\n@@ -1369,6 +1369,17 @@ pcie0: pcie@33800000 {\n \t\t\tphys = <&pcie_phy>;\n \t\t\tphy-names = \"pcie-phy\";\n \t\t\tstatus = \"disabled\";\n+\n+\t\t\tpcie0_port0: pcie@0 {\n+\t\t\t\tcompatible = \"pciclass,0604\";\n+\t\t\t\tdevice_type = \"pci\";\n+\t\t\t\treg = <0x0 0x0 0x0 0x0 0x0>;\n+\t\t\t\tbus-range = <0x01 0xff>;\n+\n+\t\t\t\t#address-cells = <3>;\n+\t\t\t\t#size-cells = <2>;\n+\t\t\t\tranges;\n+\t\t\t};\n \t\t};\n \n \t\tpcie0_ep: pcie-ep@33800000 {\n", "prefixes": [ "V4", "07/11" ] }