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Tip revision: 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa authored by Linus Torvalds on 01 October 2023, 21:15:13 UTC
Linux 6.6-rc4
Tip revision: 8a749fd
qcom-stats.yaml
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/soc/qcom/qcom-stats.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies, Inc. (QTI) Stats

maintainers:
  - Maulik Shah <quic_mkshah@quicinc.com>

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-stats
      - qcom,sdm845-rpmh-stats
      - qcom,rpm-stats
      # For older RPM firmware versions with fixed offset for the sleep stats
      - qcom,apq8084-rpm-stats
      - qcom,msm8226-rpm-stats
      - qcom,msm8916-rpm-stats
      - qcom,msm8974-rpm-stats

  reg:
    maxItems: 1

required:
  - compatible
  - reg

additionalProperties: false

examples:
  # Example of rpmh sleep stats
  - |
    sram@c3f0000 {
      compatible = "qcom,rpmh-stats";
      reg = <0x0c3f0000 0x400>;
    };
  # Example of rpm sleep stats
  - |
    sram@4690000 {
      compatible = "qcom,rpm-stats";
      reg = <0x04690000 0x10000>;
    };
...
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