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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Sep 2025 11:57:35.4447 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a1438728-bb31-4804-9132-08ddeecee696 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000971E4.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6611 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add device tree bindings for AMD Versal NET EDAC for DDR controller. Signed-off-by: Shubhrajyoti Datta Reviewed-by: Krzysztof Kozlowski --- (no changes since v7) Changes in v7: - Add the reviewed by tag Changes in v6: - update to the chip name as xlnx,versal-net - Correct indentation Changes in v5: - Update the binding Changes in v4: - Update the compatible - align the example - Enhance the description for rproc Changes in v2: - rename EDAC to memory controller - update the compatible name - Add remote proc handle - Read the data width from the registers - Remove the dwidth, rank and channel number the same is read from the RpMsg. .../xlnx,versal-net-ddrmc5.yaml | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/xl= nx,versal-net-ddrmc5.yaml diff --git a/Documentation/devicetree/bindings/memory-controllers/xlnx,vers= al-net-ddrmc5.yaml b/Documentation/devicetree/bindings/memory-controllers/x= lnx,versal-net-ddrmc5.yaml new file mode 100644 index 000000000000..479288567d0b --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/xlnx,versal-net-= ddrmc5.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/xlnx,versal-net-ddrm= c5.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx Versal NET Memory Controller + +maintainers: + - Shubhrajyoti Datta + +description: + The integrated DDR Memory Controllers (DDRMCs) support both DDR5 and LPD= DR5 + compact and extended memory interfaces. Versal NET DDR memory controller + has an optional ECC support which correct single bit ECC errors and dete= ct + double bit ECC errors. It also has support for reporting other errors li= ke + MMCM (Mixed-Mode Clock Manager) errors and General software errors. + +properties: + compatible: + const: xlnx,versal-net-ddrmc5 + + amd,rproc: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandle to the remoteproc_r5 rproc node using which APU interacts + with remote processor. APU primarily communicates with the RPU for + accessing the DDRMC address space and getting error notification. + +required: + - compatible + - amd,rproc + +additionalProperties: false + +examples: + - | + memory-controller { + compatible =3D "xlnx,versal-net-ddrmc5"; + amd,rproc =3D <&remoteproc_r5>; + }; --=20 2.34.1