{"id":2226116,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2226116/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260422093549.407022-8-sherry.sun@nxp.com/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/1.2/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":"<20260422093549.407022-8-sherry.sun@nxp.com>","list_archive_url":null,"date":"2026-04-22T09:35:44","name":"[V14,07/12] 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/1.2/people/77063/?format=json","name":"Sherry Sun","email":"sherry.sun@nxp.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260422093549.407022-8-sherry.sun@nxp.com/mbox/","series":[{"id":500954,"url":"http://patchwork.ozlabs.org/api/1.2/series/500954/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=500954","date":"2026-04-22T09:35:40","name":"pci-imx6: Add support for parsing the reset property in new Root Port binding","version":14,"mbox":"http://patchwork.ozlabs.org/series/500954/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2226116/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226116/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 V14 07/12] arm: dts: imx7d: Add Root Port node and PERST\n property","Date":"Wed, 22 Apr 2026 17:35:44 +0800","Message-Id":"<20260422093549.407022-8-sherry.sun@nxp.com>","X-Mailer":"git-send-email 2.37.1","In-Reply-To":"<20260422093549.407022-1-sherry.sun@nxp.com>","References":"<20260422093549.407022-1-sherry.sun@nxp.com>","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-ClientProxiedBy":"SG2PR01CA0140.apcprd01.prod.exchangelabs.com\n (2603:1096:4:8f::20) To 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","X-OriginatorOrg":"nxp.com","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n 513eaf59-bfd3-4961-139b-08dea05268eb","X-MS-Exchange-CrossTenant-AuthSource":"VI0PR04MB12114.eurprd04.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"22 Apr 2026 09:34:54.2203\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 L9yKSREdbYb9iy0pekKfk9yEWbp9qJHhMgCElz+G2dTYyaGobQXtkbi4nylGGZWQUjmhCJ8K+5OaRS60epgeUQ==","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"PA2PR04MB10129"},"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":["V14","07/12"]}