{"id":2219017,"url":"http://patchwork.ozlabs.org/api/patches/2219017/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260402095107.205439-9-sherry.sun@nxp.com/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/projects/28/?format=json","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":"<20260402095107.205439-9-sherry.sun@nxp.com>","list_archive_url":null,"date":"2026-04-02T09:51:02","name":"[V10,08/13] arm: dts: imx7d: Add Root Port node and PERST property","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"d81cc971d362b5717c161690706966713b832286","submitter":{"id":77063,"url":"http://patchwork.ozlabs.org/api/people/77063/?format=json","name":"Sherry Sun","email":"sherry.sun@nxp.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260402095107.205439-9-sherry.sun@nxp.com/mbox/","series":[{"id":498458,"url":"http://patchwork.ozlabs.org/api/series/498458/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=498458","date":"2026-04-02T09:50:55","name":"pci-imx6: Add support for parsing the reset property in new Root Port binding","version":10,"mbox":"http://patchwork.ozlabs.org/series/498458/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2219017/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219017/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pci@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=nxp.com header.i=@nxp.com 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","To":"robh@kernel.org,\n\tkrzk+dt@kernel.org,\n\tconor+dt@kernel.org,\n\tFrank.Li@nxp.com,\n\ts.hauer@pengutronix.de,\n\tkernel@pengutronix.de,\n\tfestevam@gmail.com,\n\tlpieralisi@kernel.org,\n\tkwilczynski@kernel.org,\n\tmani@kernel.org,\n\tbhelgaas@google.com,\n\thongxing.zhu@nxp.com,\n\tl.stach@pengutronix.de","Cc":"imx@lists.linux.dev,\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 V10 08/13] arm: dts: imx7d: Add Root Port node and PERST\n property","Date":"Thu, 2 Apr 2026 17:51:02 +0800","Message-Id":"<20260402095107.205439-9-sherry.sun@nxp.com>","X-Mailer":"git-send-email 2.37.1","In-Reply-To":"<20260402095107.205439-1-sherry.sun@nxp.com>","References":"<20260402095107.205439-1-sherry.sun@nxp.com>","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-ClientProxiedBy":"MA5P287CA0163.INDP287.PROD.OUTLOOK.COM\n (2603:1096:a01:1ba::11) To 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lapEUxQQ4srUHWdk3QD20AEBx8e3QBYv4muVuiJtaDR6ajJ3tW9ABkYcY4/dbbirx81+S7zugEMwI31KaY6TOogfv3DNV/t88Rkodgi3k7Iv1+XQiNSny/6Q9iD3v0ZnJHacOpXbHt5buiyOK8hYz3TWhBth+OWWy+ryDSwBke2+hEQzW7auIejTHjdTfgByOElc4erjCEtF+9ZWbCp88U92DGP371tRc+dv/OY7U/G4RzdakzJWPpMgjqfB4Icn+Qjccws0CrfrxXa4oe/dT8g+BX1rPnbbgHm3Ymp5utTq0JMuI7z8jHC81xdjLxRJ6fGgUOHDIB2oU6HoLrz55SoePpzfQicwLtXaVqFxwNqVowRkQSlqlR9Eh4616UDfk/rRO/3hJQqPebBL0VQDxN/o25PNFJiTOStWYU/fCAQlgMZcGX72w4A3zczkjpVnz+pmiOnMVLURLR+kyizipQU9M2Hh0o7e8E6S1X8u+r1cDnCZBTRqRVmPFePxTB4a62eeEuGHopBxfLPu685J3w937VD9+KXlnJ4XOlBXHvCMhbmJ7K3wSfdpl+L0t3TgX0IosYR/bxRtblo9JCQ7R5lTGePUMxr/AGNB8BfSHq43uk9vLdQ0I2l0srFlE6LSxfBMZE2XCAqTydKtUQ2iMwfeXID2cjbce25ZKguxHDJV9puo74a1O3iBXg7sRjXMD/iQ5cBforyTz9YRjGE7mHvrwzSkJ4msRClmYzCVsbeD8Y7BnPvkUonUfQXGT4H0zzqMlmTk44/RB8Wvq88UhkdlDPEgCtCRIgatht31MvF095DhCjYMKGjW1sznwRUh3KLYbLT60E6Hy4HLLOUMmQnyqB8HDQrnGCshFRnUvgnphVg3sko3WpxwcULazHWVXws3h6OkXBw0yrAevzZ4iZN/AczMbW/gRpSlHsENPjOxbHLli0B8AQ3PRUiF/FYhG0+zogsYac1eTQ78iN7yDXKXIg7xqAOTaNQlgRvZ/2SmEqFwdBfNNwPntKrvfPKHZzf8TEDDcY0YeYTUB4agAYPtcAdOAhnqOZ7sKWaKzzy8qQM1L00SoPX4C+4KFNWDqkniGnCSmUEpAyUyTYottoTXPA0LyfE02HQVeOxZB8FneycyPQeVHfRx+oGMABz5EYZTZmbqbg1cJ80aIYEP+WUYqaJLdk4fmonqnIiQ51xlsnTA5vUtrF4mHDXBfYSG7Re4tB8nCCbj1STggilhxo7oL6Iqwi7WO7k7KSPxf3yjR0MFpH7aMa/ZDYrPchaOBg7pbzoA8Jxm77XGoYiUfZxv3ER8pnbPYTes1GxbScKU3bN6wWW/gwQrUTdNwfXhCUq7JkCFdD1ztWzGnf2CUNQpFT8S4e6pijtzuhIRKmyd7d+zNM0aO8wMdml/SEfuDKm2et+sVT0edqMpdpnrFykT1oIJ35vLjjkl479zsx3jrsVMx4mlshSmFFejaZmL6knK2wjJGyEgLbQhdLOgQHl17OoUBO+2eP3NjYzm9MRZ59gPxefUVSTVSkZIAy+mYD8RFxIGky4XVnTVM84uGnPu3zHtVUXI6ngSue+4/UPY9FZ/y02rCaY5LV+rKcEeLt5RZtBjbX35vTJd7FQeI1sFT0TlVd7LaYifSYR4TsMsaxi2YrYaBBddSt4+48FyfiuWvJvnQ+DVKfrF8I+1IS+u/Qu7yT6Ors9ecOAHa3GmhjPUd++BRRgkwMlbrqXPSoIPQ6PKhjpGE7Zdq7XjuA==","X-OriginatorOrg":"nxp.com","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n e3045144-b974-467c-31a6-08de909d5354","X-MS-Exchange-CrossTenant-AuthSource":"VI0PR04MB12114.eurprd04.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"02 Apr 2026 09:50:51.6779\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 0Yt7DV8sQa9feSHy/lONRPd+0YKtdbYddCf4ZWseZNbppH4JJb9EzTUnFBDvtQUWJu0uByOJVqZAGLzhTo8gNw==","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"AM9PR04MB7683"},"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 \n---\n arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts | 5 +++++\n arch/arm/boot/dts/nxp/imx/imx7d.dtsi | 11 +++++++++++\n 2 files changed, 16 insertions(+)","diff":"diff --git a/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts b/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts\nindex a370e868cafe..0046b276b8b9 100644\n--- a/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts\n+++ b/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts\n@@ -456,10 +456,15 @@ display_out: endpoint {\n };\n \n &pcie {\n+\t/* This property is deprecated, use reset-gpios from the Root Port node. */\n \treset-gpio = <&extended_io 1 GPIO_ACTIVE_LOW>;\n \tstatus = \"okay\";\n };\n \n+&pcie_port0 {\n+\treset-gpios = <&extended_io 1 GPIO_ACTIVE_LOW>;\n+};\n+\n ®_1p0d {\n \tvin-supply = <&sw2_reg>;\n };\ndiff --git a/arch/arm/boot/dts/nxp/imx/imx7d.dtsi b/arch/arm/boot/dts/nxp/imx/imx7d.dtsi\nindex d961c61a93af..3c5c1f2c1460 100644\n--- a/arch/arm/boot/dts/nxp/imx/imx7d.dtsi\n+++ b/arch/arm/boot/dts/nxp/imx/imx7d.dtsi\n@@ -155,6 +155,17 @@ pcie: pcie@33800000 {\n \t\t\treset-names = \"pciephy\", \"apps\", \"turnoff\";\n \t\t\tfsl,imx7d-pcie-phy = <&pcie_phy>;\n \t\t\tstatus = \"disabled\";\n+\n+\t\t\tpcie_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 \t};\n };\n","prefixes":["V10","08/13"]}