FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/interconnect/qcom,bcm-voter.yaml

     # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/interconnect/qcom,bcm-voter.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: Qualcomm BCM-Voter Interconnect
     
     maintainers:
      - Georgi Djakov <georgi.djakov@linaro.org>
    
    description: |
      The Bus Clock Manager (BCM) is a dedicated hardware accelerator that manages
      shared system resources by aggregating requests from multiple Resource State
      Coordinators (RSC). Interconnect providers are able to vote for aggregated
      thresholds values from consumers by communicating through their respective
      RSCs.
    
    properties:
      compatible:
        enum:
          - qcom,bcm-voter
    
      qcom,tcs-wait:
        description: |
          Optional mask of which TCSs (Triggered Command Sets) wait for completion
          upon triggering. If not specified, then the AMC and WAKE sets wait for
          completion. The mask bits are available in the QCOM_ICC_TAG_* defines.
    
          The AMC TCS is triggered immediately when icc_set_bw() is called. The
          WAKE/SLEEP TCSs are triggered when the RSC transitions between active and
          sleep modes.
    
          In most cases, it's necessary to wait in both the AMC and WAKE sets to
          ensure resources are available before use. If a specific RSC and its use
          cases can ensure sufficient delay by other means, then this can be
          overridden to reduce latencies.
    
        $ref: /schemas/types.yaml#/definitions/uint32
    
    required:
      - compatible
    
    additionalProperties: false
    
    examples:
      # Example 1: apps bcm_voter on SDM845 SoC should be defined inside &apps_rsc node
      # as defined in Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml
      - |
    
        apps_bcm_voter: bcm-voter {
            compatible = "qcom,bcm-voter";
        };
    
      # Example 2: disp bcm_voter on SDM845 should be defined inside &disp_rsc node
      # as defined in Documentation/devicetree/bindings/soc/qcom/qcom,rpmh-rsc.yaml
      - |
    
        #include <dt-bindings/interconnect/qcom,icc.h>
    
        disp_bcm_voter: bcm-voter {
            compatible = "qcom,bcm-voter";
            qcom,tcs-wait = <QCOM_ICC_TAG_AMC>;
        };
    ...

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