Re: [PATCH v2 2/6] dt-bindings: firmware: add i.MX SCMI Extension protocol

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On Fri, Apr 05, 2024 at 08:39:24PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@xxxxxxx>
> 
> Add i.MX SCMI Extension protocols bindings for:
>  - Battery Backed Secure Module(BBSM)
>  - MISC settings such as General Purpose Registers settings.
> 
> Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
> ---
>  .../devicetree/bindings/firmware/imx,scmi.yaml     | 80 ++++++++++++++++++++++
>  1 file changed, 80 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/firmware/imx,scmi.yaml b/Documentation/devicetree/bindings/firmware/imx,scmi.yaml
> new file mode 100644
> index 000000000000..7ee19a661d83
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/firmware/imx,scmi.yaml
> @@ -0,0 +1,80 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright 2024 NXP
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/firmware/imx,scmi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: i.MX System Control and Management Interface(SCMI) Vendor Protocols Extension
> +
> +maintainers:
> +  - Peng Fan <peng.fan@xxxxxxx>
> +
> +allOf:
> +  - $ref: arm,scmi.yaml#

This needs to be the other way around. Add a ref to this file in 
arm,scmi.yaml under an 'anyOf' entry.

> +
> +properties:
> +  protocol@81:
> +    $ref: 'arm,scmi.yaml#/$defs/protocol-node'
> +    unevaluatedProperties: false
> +    description:
> +      The BBM Protocol is for managing Battery Backed Secure Module (BBSM) RTC
> +      and the ON/OFF Key
> +
> +    properties:
> +      reg:
> +        const: 0x81
> +
> +    required:
> +      - reg
> +
> +  protocol@84:
> +    $ref: 'arm,scmi.yaml#/$defs/protocol-node'
> +    unevaluatedProperties: false
> +    description:
> +      The MISC Protocol is for managing SoC Misc settings, such as GPR settings
> +
> +    properties:
> +      reg:
> +        const: 0x84
> +
> +      wakeup-sources:
> +        description:
> +          Each entry consists of 2 integers, represents the source and electric signal edge
> +        items:
> +          items:
> +            - description: the wakeup source
> +            - description: the wakeup electric signal edge

No constraints on the entry values?

> +        $ref: /schemas/types.yaml#/definitions/uint32-matrix
> +
> +    required:
> +      - reg
> +
> +additionalProperties: false

And then this can be true.

Rob




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