{"id":2226114,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2226114/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260422093549.407022-6-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":"<20260422093549.407022-6-sherry.sun@nxp.com>","list_archive_url":null,"date":"2026-04-22T09:35:42","name":"[V14,05/12] arm: dts: imx6qdl: Add Root Port node and PERST property","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"e294fcece0051ccffd3d4b5ce4dd3dac3acd848e","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/20260422093549.407022-6-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/2226114/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226114/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 05/12] arm: dts: imx6qdl: Add Root Port node and PERST\n property","Date":"Wed, 22 Apr 2026 17:35:42 +0800","Message-Id":"<20260422093549.407022-6-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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qJ3lvwRGATV8t5QHJ0rJJ36pp9qA4zWl5pLXF2FWe6s8scZeOzDnXfI1rDszEa3LglzGExW/XKKnD5TYUaw8CNCIaLT7dbf6C3K5WiN8XKV4uShwm0H9gXhSunp+4TWpwzmuFKCgaZdz5mcikv4CPsay6MnP8RvSPykW4c4pAPZyjQEK1HpT1JAfghJG0tgHpj7YaCbzsCQ2Pf07V/AJW0018re5ksI+PxLyjMThiCPz0meSf9+9qOlBZoTxhBhlO+oVxzVb5yAGKQXH7mz31ezTDMYrbERhbmmxRgkd59aucXM4oZ1sDrehLKxY4cGQaEBfyJqIgTy7KT/FFKhk0u/PI7UaRgprfCL3JKxc2HqYNt44MC2Xst7eygSP688dfMW5l9c5SftvufmKn8RauP04RNSLj1WKUzsNuecbcHDqdmVDGGS+WT69hF/uGIVRNu+NVhMnn4q6Drf/Du9XP1RxzQQNEjZecFXNUdQPHoF1WyfqkNjYzt0Ac9kKbtaOGolNiDnVUzGHAmtG8DMeJZUa8Tt896CWvf1x+HuO2oc2yw+UQu2kG1uy/QNgCVOFSTk6HetQf2VX8JG39soaC2aDSH6tE5lvu/bA5HtxqmMG1VeHdpSlCWZFjJHqQhlCG2L1k9p0q/GYiZ6bByqceikztpPR0sKz1b3P0fzMaaGU7nxrxrBGeR32fFpF4pNTyq+oBgpDQQXN5c5c6lNS9D91DbbTLQVi7OSgkLLnAymgxpdv3XjOAxoXEGYMwkHeeaxjgHh7Ytokgv3RuRUZyPL6ZA8X4AsxuQ5jezNKun9Etw4XiqT6zG6R0K5hxYx0QRw6Svi1RTMcdlrK7MPCfm/DIHyjxJDM/vCAJEbjBxkJZv5A2wWWfzswgiKvhsTy/8xk8hErmUEiv9j3QmpZRE2GCMyfvy2UouljjAVBOZq09SkuCDzPgw0pAug/Yw1yQTdC/CijCRCEC8EqkIpA38KJLav/5rlQpni+gmre2Ob0Fntct8Xmb1GKiXqzDPvn20ZLHmqXkc4HCZYhb6pywIdSuHsfB3H+IL/BefXu23yy+qKuMiu2hQ3mveB4+Hk/R+8fkToBORwaHWGc2369/jYpUgSFwBBPM2y59dypCVI15fKCUveuq5OZt0Sz1dQ+MtYJs21qG1B2yQGJXM2y7b3qd1cr7mbY4+2ttHEiDk5l3xoElAOI8DBke08CU64+vlwjrBj6G8nlY/4NC5Q+q2SwEtnslQT9LscKj4vTOh8UaYJ/jrhSyf18mu8fN1ofdLkmbiZutsBL5wOaqULrDsgxIdT6PfYudpMMU1n1UxCMSQA4R7dZar4yvsEHxoCndDqlhbL9TYwuqkDoX0i505oRRZ0mTdoRUs7N4LUI2dggcNhkzFzFlmNoEXSC8JnuCoAj1NzKNbzru6fggJbZlUnty1OjQWhM5oTDlsvv7V9GVNGTFs8nkUlHSmCXE4+EiTAQgGxCMNOWt0YhYPxai1tj63Qd5HKs91eXUlQmWLzC6rMYG2+8+Qe4TOObT3ocwRMdoz3sJSPcaeZAJwUDUf5lsIO6f5srFwFT9+HVpjG1jAxeQpKQ/HkzmeIy2B0FPSZspt0g0KaIs9zVJZPsKYNj5viaQyuy02lSJk2VvnT/zdEJ9uTX893nmPJ1bEnoQ6GaQGhnKSPZmsZ42n2nx6gj/tPBIjzc6LiLy5HQAg+vNmu7s1hHCRHVVPgo30kOZOI/GFA5WGniyZ6cLbi3Ng==","X-OriginatorOrg":"nxp.com","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n e388e186-8a2c-4bb2-e671-08dea0526082","X-MS-Exchange-CrossTenant-AuthSource":"VI0PR04MB12114.eurprd04.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"22 Apr 2026 09:34:40.1443\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 itafy8+kyIWSV1KZ2uzAbsy3WwhcE/i7o530lSEW3dIvPqjXVEkiTlL0BWgXsZqOXbdhTJ4k/a/Bq+8qq9QCig==","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/imx6q-utilite-pro.dts | 17 ++++-------------\n arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi | 5 +++++\n arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi | 11 +++++++++++\n arch/arm/boot/dts/nxp/imx/imx6qp-sabreauto.dts | 5 +++++\n 4 files changed, 25 insertions(+), 13 deletions(-)","diff":"diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-utilite-pro.dts b/arch/arm/boot/dts/nxp/imx/imx6q-utilite-pro.dts\nindex c78f101c3cc1..2ddd71f09da3 100644\n--- a/arch/arm/boot/dts/nxp/imx/imx6q-utilite-pro.dts\n+++ b/arch/arm/boot/dts/nxp/imx/imx6q-utilite-pro.dts\n@@ -323,19 +323,10 @@ &ipu1_di0_disp0 {\n \tremote-endpoint = <¶llel_display_in>;\n };\n \n-&pcie {\n-\tpcie@0,0 {\n-\t\treg = <0x000000 0 0 0 0>;\n-\t\tdevice_type = \"pci\";\n-\t\t#address-cells = <3>;\n-\t\t#size-cells = <2>;\n-\t\tbus-range = <0x00 0xff>;\n-\t\tranges;\n-\n-\t\t/* non-removable i211 ethernet card */\n-\t\teth1: ethernet@0,0 {\n-\t\t\treg = <0x010000 0 0 0 0>;\n-\t\t};\n+&pcie_port0 {\n+\t/* non-removable i211 ethernet card */\n+\teth1: ethernet@0,0 {\n+\t\treg = <0x010000 0 0 0 0>;\n \t};\n };\n \ndiff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi\nindex ba29720e3f72..fe9046c03ddd 100644\n--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi\n+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi\n@@ -754,11 +754,16 @@ lvds0_out: endpoint {\n &pcie {\n \tpinctrl-names = \"default\";\n \tpinctrl-0 = <&pinctrl_pcie>;\n+\t/* This property is deprecated, use reset-gpios from the Root Port node. */\n \treset-gpio = <&gpio7 12 GPIO_ACTIVE_LOW>;\n \tvpcie-supply = <®_pcie>;\n \tstatus = \"okay\";\n };\n \n+&pcie_port0 {\n+\treset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;\n+};\n+\n &pwm1 {\n \tpinctrl-names = \"default\";\n \tpinctrl-0 = <&pinctrl_pwm1>;\ndiff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi\nindex 4dc2c410cf61..9438862b9927 100644\n--- a/arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi\n+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi\n@@ -302,6 +302,17 @@ pcie: pcie@1ffc000 {\n \t\t\t\t <&clks IMX6QDL_CLK_PCIE_REF_125M>;\n \t\t\tclock-names = \"pcie\", \"pcie_bus\", \"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 \n \t\taips1: bus@2000000 { /* AIPS1 */\ndiff --git a/arch/arm/boot/dts/nxp/imx/imx6qp-sabreauto.dts b/arch/arm/boot/dts/nxp/imx/imx6qp-sabreauto.dts\nindex c5b220aeaefd..6b12cab7175f 100644\n--- a/arch/arm/boot/dts/nxp/imx/imx6qp-sabreauto.dts\n+++ b/arch/arm/boot/dts/nxp/imx/imx6qp-sabreauto.dts\n@@ -45,10 +45,15 @@ MX6QDL_PAD_GPIO_6__ENET_IRQ\t\t0x000b1\n };\n \n &pcie {\n+\t/* This property is deprecated, use reset-gpios from the Root Port node. */\n \treset-gpio = <&max7310_c 5 GPIO_ACTIVE_LOW>;\n \tstatus = \"okay\";\n };\n \n+&pcie_port0 {\n+\treset-gpios = <&max7310_c 5 GPIO_ACTIVE_LOW>;\n+};\n+\n &sata {\n \tstatus = \"okay\";\n };\n","prefixes":["V14","05/12"]}