# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/cpufreq/cpufreq-qcom-thermal.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies, Inc. CPUFREQ Thermal

maintainers:
  - Mike Tipton <quic_mdtipton@quicinc.com>

description: |

  This device listens for CPU thermal frequency limit mailbox notifications and
  informs the scheduler of them via thermal pressure.

properties:
  compatible:
    const: qcom,cpufreq-thermal

  mboxes:
    description: Mailboxes used for each cpufreq policy

  qcom,policy-cpus:
    $ref: /schemas/types.yaml#/definitions/uint32-array
    description: Base CPU indices for each cpufreq policy

required:
  - compatible
  - mboxes
  - qcom,policy-cpus

additionalProperties: false

examples:
  - |
    // Two clusters. The first cluster starts with CPU0, and the second cluster
    // starts with CPU6. The mailboxes for each cluster are indexes 5 and 6 of
    // the cpucp device.
    soc {
      cpufreq_thermal: qcom,cpufreq-thermal {
        compatible = "qcom,cpufreq-thermal";
        mboxes = <&cpucp 5>, <&cpucp 6>;
        qcom,policy-cpus = <0 6>;
      };
    };
...