Re: [PATCH v2 2/7] dt-bindings: firmware: Add i.MX95 SCMI LMM and CPU protocol
From: Rob Herring
Date: Wed Feb 19 2025 - 16:46:19 EST
On Wed, Feb 12, 2025 at 03:40:24PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@xxxxxxx>
>
> 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@xxxxxxx>
> ---
> .../devicetree/bindings/firmware/nxp,imx95-scmi.yaml | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml b/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml
> index 1a95010a546b14b1d3d97aa990c0305a551f2620..75f63819285b191a815dc4287e34d299983b1c40 100644
> --- a/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml
> +++ b/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml
> @@ -11,6 +11,14 @@ maintainers:
> - Peng Fan <peng.fan@xxxxxxx>
>
> properties:
> + protocol@80:
> + $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node'
> + unevaluatedProperties: false
Please add 'description' to these to say what the protocol is.
> +
> + properties:
> + reg:
> + const: 0x80
> +
> protocol@81:
> $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node'
> unevaluatedProperties: false
> @@ -19,6 +27,14 @@ properties:
> reg:
> const: 0x81
>
> + protocol@82:
> + $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node'
> + unevaluatedProperties: false
> +
> + properties:
> + reg:
> + const: 0x82
> +
> protocol@84:
> $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node'
> unevaluatedProperties: false
>
> --
> 2.37.1
>