linux-kernel - Re: [PATCH V1 1/4] dt-bindings: sram: qcom,imem: Add Boot Stat region within IMEM

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Date:   Tue, 21 Mar 2023 18:31:22 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Souradeep Chowdhury <quic_schowdhu@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Sibi Sankar <quic_sibis@...cinc.com>,
        Rajendra Nayak <quic_rjendra@...cinc.com>
Subject: Re: [PATCH V1 1/4] dt-bindings: sram: qcom,imem: Add Boot Stat region
 within IMEM

On 21/03/2023 14:51, Souradeep Chowdhury wrote:
> All Qualcomm bootloaders log useful timestamp information related
> to bootloader stats in the IMEM region. Add the child node within
> IMEM for the boot stat region containing register address and
> compatible string.
> 
> Signed-off-by: Souradeep Chowdhury <quic_schowdhu@...cinc.com>
> ---
>  .../devicetree/bindings/sram/qcom,imem.yaml          | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sram/qcom,imem.yaml b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> index 665c06e..c8c3890 100644
> --- a/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> +++ b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> @@ -48,6 +48,26 @@ patternProperties:
>      $ref: /schemas/remoteproc/qcom,pil-info.yaml#
>      description: Peripheral image loader relocation region
>  
> +  "^boot-stat@[0-9a-f]+$":
> +    type: object
> +    description:
> +      node for boot stat.

This basically copies the name of node, so not really helpful. Describe
what's this.

> +

additionalProperties: false

> +    properties:
> +      compatible:
> +        items:

Drop items.

> +          - const: qcom,imem-boot_stats

No underscores in compatibles. Why this is not SoC specific compatible?

> +
> +      reg:
> +        maxItems: 1
> +        description:
> +          The base address of the register region in case of
> +          imem boot stats.

Drop description, it's obvious.
> +
> +    required:
> +      - compatible
> +      - reg
> +
Best regards,
Krzysztof