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

[Rob Herring <robh@kernel.org>]

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

No idea what BBM and MISC are.

> 
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
>  .../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
> +
> +maintainers:
> +  - Peng Fan <peng.fan@nxp.com>
> +
> +allOf:
> +  - $ref: arm,scmi.yaml#
> +
> +properties:
> +  protocol@11:

Wrong unit-address?

> +    $ref: 'arm,scmi.yaml#/$defs/protocol-node'
> +    unevaluatedProperties: false

Description of what this protocol is needed.

> +
> +    properties:
> +      reg:
> +        const: 0x81
> +
> +  protocol@13:
> +    $ref: 'arm,scmi.yaml#/$defs/protocol-node'
> +    unevaluatedProperties: false
> +
> +    properties:
> +      reg:
> +        const: 0x84
> +
> +      wakeup-sources:

Is this somehow generic?

> +        description: each entry consists of 2 integers and represents the source and edge

What does 'edge' mean in this context?

> +        items:
> +          items:
> +            - description: the wakeup source
> +            - description: the wakeup edge

Constraints?

> +        $ref: /schemas/types.yaml#/definitions/uint32-matrix
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    firmware {
> +        scmi {


Need a compatible here so this actually gets tested.

> +            #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>;

<> around each entry. e.g. "<6 1>"

> +            };
> +         };
> +    };
> +...
> 
> -- 
> 2.37.1
>