linux-kernel - Re: [PATCH V0 1/6] dt-bindings: Added the yaml bindings for DCC

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Date:   Wed, 17 Feb 2021 16:32:14 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Souradeep Chowdhury <schowdhu@...eaurora.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Subject: Re: [PATCH V0 1/6] dt-bindings: Added the yaml bindings for DCC

On 17-02-21, 12:18, Souradeep Chowdhury wrote:
> Documentation for Data Capture and Compare(DCC) device tree bindings
> in yaml format.
> 
> Signed-off-by: Souradeep Chowdhury <schowdhu@...eaurora.org>
> ---
>  .../devicetree/bindings/arm/msm/qcom,dcc.yaml      | 49 ++++++++++++++++++++++
>  1 file changed, 49 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,dcc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,dcc.yaml b/Documentation/devicetree/bindings/arm/msm/qcom,dcc.yaml
> new file mode 100644
> index 0000000..8f09578
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/msm/qcom,dcc.yaml
> @@ -0,0 +1,49 @@
> +# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/msm/qcom,dcc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Data Capture and Compare
> +
> +maintainers:
> +  - Souradeep Chowdhury <schowdhu@...eaurora.org>
> +
> +description: |
> +    DCC (Data Capture and Compare) is a DMA engine which is used to save
> +    configuration data or system memory contents during catastrophic failure
> +    or SW trigger.DCC is used to capture and store data for debugging purpose

space after .

> +
> +
> +properties:
> +  compatible:
> +    items:
> +    - enum:
> +      - qcom,sm8150-dcc
> +    - const: qcom,dcc
> +
> +  reg:
> +    items:
> +      - description: DCC base register region
> +      - description: DCC RAM base register region
> +
> +  reg-names:
> +    items:
> +      - const: dcc-base
> +      - const: dcc-ram-base

drop dcc from names

> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    dcc@...a2000{
> +                compatible = "qcom,sm8150-dcc";

should this not be:
                compatible = "qcom,sm8150-dcc", "qcom,dcc";

> +                reg = <0 0x010a2000 0  0x1000>,
> +                      <0 0x010ae000 0  0x2000>;
> +                reg-names = "dcc-base", "dcc-ram-base";
> +    };
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation

-- 
~Vinod