Re: [PATCH 1/5] dt-bindings: firmware: add i.MX SCMI Extension protocol

From: Cristian Marussi
Date: Fri Feb 23 2024 - 06:40:58 EST


On Fri, Feb 02, 2024 at 02:34:39PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@xxxxxxx>
>
> Add i.MX SCMI Extension protocol BBM and MISC binding.
>

Hi,

just a few remarks down below only about the SCMI related stuff...

> Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
> ---
> .../devicetree/bindings/firmware/nxp,scmi.yaml | 64 ++++++++++++++++++++++
> 1 file changed, 64 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/firmware/nxp,scmi.yaml b/Documentation/devicetree/bindings/firmware/nxp,scmi.yaml
> new file mode 100644
> index 000000000000..00d6361bbbea
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/firmware/nxp,scmi.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright 2024 NXP
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/firmware/nxp,scmi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: i.MX System Control and Management Interface (SCMI) Protocol Extension
> +

.. (SCMI) Vendor Protocols

> +maintainers:
> + - Peng Fan <peng.fan@xxxxxxx>
> +
> +allOf:
> + - $ref: arm,scmi.yaml#
> +
> +properties:
> + protocol@11:

protocol@81 ?

> + $ref: 'arm,scmi.yaml#/$defs/protocol-node'
> + unevaluatedProperties: false
> +
> + properties:
> + reg:
> + const: 0x81
> +
> + protocol@13:

protocol@84 ?

> + $ref: 'arm,scmi.yaml#/$defs/protocol-node'
> + unevaluatedProperties: false
> +
> + properties:
> + reg:
> + const: 0x84
> +
> + wakeup-sources:
> + description: each entry consists of 2 integers and represents the source and edge
> + items:
> + items:
> + - description: the wakeup source
> + - description: the wakeup edge
> + $ref: /schemas/types.yaml#/definitions/uint32-matrix
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + firmware {
> + scmi {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + protocol@81 {
> + reg = <0x81>;
> + };
> +
> + protocol@84 {
> + reg = <0x84>;
> + wakeup-sources = <6 1
> + 7 1
> + 8 1
> + 9 1
> + 10 1>;
> + };
> + };
> + };
> +...
>

Thanks,
Cristian