| Message ID | 20250303-imx-lmm-cpu-v3-2-7695f6f61cfc@nxp.com |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | firmware: scmi/imx: Add i.MX95 LMM/CPU Protocol | expand |
| Context | Check | Description |
|---|---|---|
| robh/checkpatch | success | |
| robh/patch-applied | success | |
| robh/dtbs-check | warning | build log |
| robh/dt-meta-schema | success |
On Mon, 03 Mar 2025 10:53:23 +0800, Peng Fan (OSS) wrote: > From: Peng Fan <peng.fan@nxp.com> > > Add i.MX SCMI Extension protocols bindings for: > - Logic Machine Management(LMM) Protocol > intended for boot, shutdown, and reset of other logical machines (LM). > 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 <peng.fan@nxp.com> > --- > .../bindings/firmware/nxp,imx95-scmi.yaml | 23 ++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml b/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml index 1a95010a546b14b1d3d97aa990c0305a551f2620..2bda2e0e13693f12816762137e07dc308d2c49e4 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 <peng.fan@nxp.com> properties: + protocol@80: + description: + SCMI LMM protocol which is for boot, shutdown, and reset of other logical + 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 + 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