Re: [PATCH v2 1/4] dt-bindings: Introduce soc sleep stats bindings for Qualcomm SoCs

From: Bjorn Andersson
Date: Fri Feb 28 2020 - 01:38:19 EST


On Fri 21 Feb 00:49 PST 2020, Maulik Shah wrote:

> From: Mahesh Sivasubramanian <msivasub@xxxxxxxxxxxxxx>
>
> Add device binding documentation for Qualcomm Technology Inc's (QTI)
> SoC sleep stats driver. The driver is used for displaying SoC sleep
> statistic maintained by Always On Processor or Resource Power Manager.
>

Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Mahesh Sivasubramanian <msivasub@xxxxxxxxxxxxxx>
> Signed-off-by: Lina Iyer <ilina@xxxxxxxxxxxxxx>
> Signed-off-by: Maulik Shah <mkshah@xxxxxxxxxxxxxx>
> ---
> .../bindings/soc/qcom/soc-sleep-stats.yaml | 47 ++++++++++++++++++++++
> 1 file changed, 47 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 00000000..50352a4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/bindings/soc/qcom/soc-sleep-stats.yaml#
> +$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.
> + SoC sleep stats driver provides debugfs interface to show this information.
> +
> +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: soc-sleep-stats@c3f0000 {
> + compatible = "qcom,rpmh-sleep-stats";
> + reg = <0 0xc3f0000 0 0x400>;
> + };
> + # Example of rpm sleep stats
> + - |
> + rpm_sleep_stats: soc-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