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It is usually used to allow one LM to manager another used as an offload or accelerator engine.. - CPU Protocol. allows an agent to start or stop a CPU. It is used to manage auxiliary CPUs in an LM (e.g. additional cores in an AP cluster). Signed-off-by: Peng Fan Reviewed-by: Rob Herring (Arm) --- .../bindings/firmware/nxp,imx95-scmi.yaml | 23 ++++++++++++++++++= ++++ 1 file changed, 23 insertions(+) diff --git a/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml= b/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml index 1a95010a546b14b1d3d97aa990c0305a551f2620..2bda2e0e13693f12816762137e0= 7dc308d2c49e4 100644 --- a/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml @@ -11,6 +11,18 @@ maintainers: - Peng Fan =20 properties: + protocol@80: + description: + SCMI LMM protocol which is for boot, shutdown, and reset of other lo= gical + machines (LM). It is usually used to allow one LM to manage another = used + as an offload or accelerator engine. + $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node' + unevaluatedProperties: false + + properties: + reg: + const: 0x80 + protocol@81: $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node' unevaluatedProperties: false @@ -19,6 +31,17 @@ properties: reg: const: 0x81 =20 + protocol@82: + description: + SCMI CPU Protocol which allows an agent to start or stop a CPU. It is + used to manage auxiliary CPUs in a LM. + $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node' + unevaluatedProperties: false + + properties: + reg: + const: 0x82 + protocol@84: $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node' unevaluatedProperties: false --=20 2.37.1