xref: /freebsd/sys/contrib/device-tree/Bindings/soc/qcom/qcom-stats.yaml (revision e67e85659c0de33e617e5fbf1028c6e8b49eee53)

# 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 bindings

maintainers:
  - Maulik Shah <mkshah@codeaurora.org>

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,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>;
    };
...