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Message-ID: <9da030c6-6a9f-6766-7120-94aaa8fcd8ab@linaro.org>
Date:   Wed, 3 May 2023 23:10:13 +0100
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Subject: Re: [PATCH V4 1/3] dt-bindings: sram: qcom,imem: Add Boot Stat region
 within IMEM
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To:     Souradeep Chowdhury <quic_schowdhu@quicinc.com>,
        Andy Gross <agross@kernel.org>,
        Konrad Dybcio <konrad.dybcio@somainline.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Rob Herring <robh+dt@kernel.org>
Cc:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        Sibi Sankar <quic_sibis@quicinc.com>,
        Rajendra Nayak <quic_rjendra@quicinc.com>
References: <cover.1681742910.git.quic_schowdhu@quicinc.com>
 <NO2MhqhxQqjQ33CVOtaXXxo2iBfl6Ugz1lE5oJAl-mjUyrRu4l9vCBWV8AVJZoCrVF0Cw0j49t44Bn5yEAv3mA==@protonmail.internalid>
 <bd3350e3b0b02669cffa4bdaf9a0a1d8ae9072d1.1681742910.git.quic_schowdhu@quicinc.com>
From:   Caleb Connolly <caleb.connolly@linaro.org>
In-Reply-To: <bd3350e3b0b02669cffa4bdaf9a0a1d8ae9072d1.1681742910.git.quic_schowdhu@quicinc.com>
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On 17/04/2023 16:08, 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@quicinc.com>
> ---
>  .../devicetree/bindings/sram/qcom,imem.yaml        | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sram/qcom,imem.yaml b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> index ba694ce..d028bed 100644
> --- a/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> +++ b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> @@ -49,6 +49,28 @@ patternProperties:
>      $ref: /schemas/remoteproc/qcom,pil-info.yaml#
>      description: Peripheral image loader relocation region
> 
> +  "^stats@[0-9a-f]+$":
> +    type: object
> +    description:
> +      Imem region dedicated for storing timestamps related
> +      information regarding bootstats.
> +
> +    additionalProperties: false
> +
> +    properties:
> +      compatible:
> +        items:
> +          - enum:
> +              - qcom,sm8450-bootstats

This region isn't exclusive to sm8450, it exists also on sdm845 and
presumably other platforms. Is there any need for an SoC specific
compatible?

> +          - const: qcom,imem-bootstats
> +
> +      reg:
> +        maxItems: 1
> +
> +    required:
> +      - compatible
> +      - reg
> +
>  required:
>    - compatible
>    - reg
> --
> 2.7.4
> 

-- 
Kind Regards,
Caleb (they/them)