Re: [PATCH v6 1/4] dt-bindings: Introduce SoC sleep stats bindings

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On Thu 04 Feb 08:21 CST 2021, Maulik Shah wrote:

> From: Mahesh Sivasubramanian <msivasub@xxxxxxxxxxxxxx>
> 
> Add device binding documentation for Qualcomm Technologies, Inc. (QTI)
> SoC sleep stats driver. The driver is used for displaying SoC sleep
> statistic maintained by Always On Processor or Resource Power Manager.
> 
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Mahesh Sivasubramanian <msivasub@xxxxxxxxxxxxxx>
> Signed-off-by: Lina Iyer <ilina@xxxxxxxxxxxxxx>
> Signed-off-by: Maulik Shah <mkshah@xxxxxxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> ---
>  .../bindings/soc/qcom/soc-sleep-stats.yaml         | 46 ++++++++++++++++++++++
>  1 file changed, 46 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml
> 
> diff --git a/Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml b/Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml
> new file mode 100644
> index 0000000..1e012ba
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/qcom/soc-sleep-stats.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies, Inc. (QTI) SoC sleep stats bindings
> +
> +maintainers:
> +  - Maulik Shah <mkshah@xxxxxxxxxxxxxx>
> +  - Lina Iyer <ilina@xxxxxxxxxxxxxx>
> +
> +description:
> +  Always On Processor/Resource Power Manager maintains statistics of the SoC
> +  sleep modes involving powering down of the rails and oscillator clock.
> +
> +  Statistics includes SoC sleep mode type, number of times low power mode were
> +  entered, time of last entry, time of last exit and accumulated sleep duration.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,rpmh-sleep-stats
> +      - qcom,rpm-sleep-stats
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +examples:
> +  # Example of rpmh sleep stats
> +  - |
> +    rpmh-sleep-stats@c3f0000 {
> +      compatible = "qcom,rpmh-sleep-stats";
> +      reg = <0 0x0c3f0000 0 0x400>;

The example is built with #address-cells = <1> and #size-cells = <1>, so
this needs to be reg = <0x0c3f0000 0x400>.

Regards,
Bjorn

> +    };
> +  # Example of rpm sleep stats
> +  - |
> +    rpm-sleep-stats@4690000 {
> +      compatible = "qcom,rpm-sleep-stats";
> +      reg = <0 0x04690000 0 0x400>;
> +    };
> +...
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation
> 



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