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Mon, 16 Sep 2024 11:31:35 -0500 From: Thippeswamy Havalige To: , , , , , , , , CC: , , , , Thippeswamy Havalige Subject: [PATCH v2 1/2] dt-bindings: PCI: xilinx-cpm: Add compatible string for CPM5 controller 1 Date: Mon, 16 Sep 2024 22:01:23 +0530 Message-ID: <20240916163124.2223468-2-thippesw@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240916163124.2223468-1-thippesw@amd.com> References: <20240916163124.2223468-1-thippesw@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: None (SATLEXMB05.amd.com: thippesw@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF00017099:EE_|SJ1PR12MB6242:EE_ X-MS-Office365-Filtering-Correlation-Id: 96481b81-8be9-46df-c302-08dcd66d0b38 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|36860700013|376014|7416014; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Sep 2024 16:31:40.6878 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 96481b81-8be9-46df-c302-08dcd66d0b38 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF00017099.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ1PR12MB6242 Content-Type: text/plain; charset="utf-8" The Xilinx Versal Premium series includes the CPM5 block, which supports two Type-A Root Port controllers operating at Gen5 speed. This patch adds a compatible string to distinguish between the two CPM5 Root Port controllers. The error interrupt registers and corresponding bits for Controller 0 and Controller 1 are located at different offsets, making it necessary to differentiate them. By using the new compatible string, the driver can properly handle these platform-specific differences between the controllers. Signed-off-by: Thippeswamy Havalige --- changes in v2: -------------- Modify compatible string to differentiate controller 0 and controller 1 --- Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml b= /Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml index 989fb0fa2577..3783075661e2 100644 --- a/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml +++ b/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml @@ -17,6 +17,7 @@ properties: enum: - xlnx,versal-cpm-host-1.00 - xlnx,versal-cpm5-host + - xlnx,versal-cpm5-host1-1 =20 reg: items: --=20 2.34.1