{"id":2219274,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2219274/?format=json","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/1.0/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},"msgid":"<20260402180006.486229-2-sai.krishna.musham@amd.com>","date":"2026-04-02T18:00:05","name":"[1/2] dt-bindings: PCI: Add compatible for AMD Versal2 CPM6 host bridge","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"f4c6af5953091fdc82675114acab3690bb5c3933","submitter":{"id":90336,"url":"http://patchwork.ozlabs.org/api/1.0/people/90336/?format=json","name":"Musham, Sai Krishna","email":"sai.krishna.musham@amd.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260402180006.486229-2-sai.krishna.musham@amd.com/mbox/","series":[{"id":498526,"url":"http://patchwork.ozlabs.org/api/1.0/series/498526/?format=json","date":"2026-04-02T18:00:04","name":"Add support for AMD Versal2 CPM6 host bridge","version":1,"mbox":"http://patchwork.ozlabs.org/series/498526/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219274/checks/","tags":{},"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 (1024-bit key;\n unprotected) header.d=amd.com header.i=@amd.com header.a=rsa-sha256\n header.s=selector1 header.b=KUl82cNQ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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helo=satlexmb07.amd.com; pr=C","From":"Sai Krishna Musham ","To":", , ,\n\t, , ,\n\t, ","CC":", ,\n\t, ,\n\t, ,\n\t","Subject":"[PATCH 1/2] dt-bindings: PCI: Add compatible for AMD Versal2 CPM6\n host bridge","Date":"Thu, 2 Apr 2026 23:30:05 +0530","Message-ID":"<20260402180006.486229-2-sai.krishna.musham@amd.com>","X-Mailer":"git-send-email 2.44.4","In-Reply-To":"<20260402180006.486229-1-sai.krishna.musham@amd.com>","References":"<20260402180006.486229-1-sai.krishna.musham@amd.com>","Precedence":"bulk","X-Mailing-List":"linux-pci@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-EOPAttributedMessage":"0","X-MS-PublicTrafficType":"Email","X-MS-TrafficTypeDiagnostic":"CY4PEPF0000FCBE:EE_|SN7PR12MB6837:EE_","X-MS-Office365-Filtering-Correlation-Id":"da1e08b4-59bf-4a7d-3e71-08de90e1c2aa","X-MS-Exchange-SenderADCheck":"1","X-MS-Exchange-AntiSpam-Relay":"0","X-Microsoft-Antispam":"\n\tBCL:0;ARA:13230040|1800799024|376014|7416014|82310400026|36860700016|18002099003|22082099003|56012099003;","X-Microsoft-Antispam-Message-Info":"\n\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","X-Forefront-Antispam-Report":"\n\tCIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(1800799024)(376014)(7416014)(82310400026)(36860700016)(18002099003)(22082099003)(56012099003);DIR:OUT;SFP:1101;","X-MS-Exchange-AntiSpam-MessageData-ChunkCount":"1","X-MS-Exchange-AntiSpam-MessageData-0":"\n\tnxR2pluAdDvQduk1+C1CrfGqVIpKvtM5YuhS4foCjtKyWn6gxtaoH0k52oYMYxRscklUQL0JEUpZLU57cvwGzLGs1oORbsWc1qj/Qd2O9AnpFrTQyzgJ0JjvclocH453K1DlyhJd409y1172p68e5nurnNal4V99grkFhOZwTePbig3IRBcxKKloNxJE40ZM3quVWyksfYOGiAu3VvK9ZFDGfGBvVMcGLUFDtqhjozyOQ3Eq84jVCM64RvUspE0EheFBv1hFBGS5uRED/wkWDFYCyp1bEmbEcNPlfGTpN/sQTweSx30KBO8hkgCPEnPiQRPMAOKwCJkVCv1+oRpODnuuP/faMitFo9Mzug0Vf6zdjLDZZFwUWNJEPeqcgO4553bNvCnzZhSxeyYq+KX+ZVvd20ys48oa1ZhNDNWqXTIvLCqM6pZx8IIQakddzGyk","X-OriginatorOrg":"amd.com","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"02 Apr 2026 18:00:44.0287\n (UTC)","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n da1e08b4-59bf-4a7d-3e71-08de90e1c2aa","X-MS-Exchange-CrossTenant-Id":"3dd8961f-e488-4e60-8e11-a82d994e183d","X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp":"\n TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[satlexmb07.amd.com]","X-MS-Exchange-CrossTenant-AuthSource":"\n\tCY4PEPF0000FCBE.namprd03.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Anonymous","X-MS-Exchange-CrossTenant-FromEntityHeader":"HybridOnPrem","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"SN7PR12MB6837"},"content":"Add the \"amd,versal2-cpm6-host\" compatible string for AMD Versal2 CPM6\nhost bridge.\n\nCPM6 integrates a Synopsys DesignWare PCIe Root Port controller derived\nfrom the same IP family as the existing MDB host bridge, but uses a\nnewer IP revision, supports PCIe Gen6 operation up to 64 GT/s per lane\nand has differences in register layout.\n\nA separate compatible string is required to accurately describe the\nCPM6 hardware and allow software to distinguish it from the MDB-based\nhost bridge.\n\nSigned-off-by: Sai Krishna Musham \n---\n .../devicetree/bindings/pci/amd,versal2-mdb-host.yaml | 4 +++-\n 1 file changed, 3 insertions(+), 1 deletion(-)","diff":"diff --git a/Documentation/devicetree/bindings/pci/amd,versal2-mdb-host.yaml b/Documentation/devicetree/bindings/pci/amd,versal2-mdb-host.yaml\nindex 406c15e1dee1..be5a77908d24 100644\n--- a/Documentation/devicetree/bindings/pci/amd,versal2-mdb-host.yaml\n+++ b/Documentation/devicetree/bindings/pci/amd,versal2-mdb-host.yaml\n@@ -15,7 +15,9 @@ allOf:\n \n properties:\n compatible:\n- const: amd,versal2-mdb-host\n+ enum:\n+ - amd,versal2-mdb-host\n+ - amd,versal2-cpm6-host\n \n reg:\n items:\n","prefixes":["1/2"]}