qcom,sdm845.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/interconnect/qcom,sdm845.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Qualcomm SDM845 Network-On-Chip Interconnect
    8 
    9 maintainers:
   10   - Georgi Djakov <georgi.djakov@linaro.org>
   11 
   12 description: |
   13    SDM845 interconnect providers support system bandwidth requirements through
   14    RPMh hardware accelerators known as Bus Clock Manager (BCM). The provider is
   15    able to communicate with the BCM through the Resource State Coordinator (RSC)
   16    associated with each execution environment. Provider nodes must point to at
   17    least one RPMh device child node pertaining to their RSC and each provider
   18    can map to multiple RPMh resources.
   19 
   20 properties:
   21   reg:
   22     maxItems: 1
   23 
   24   compatible:
   25     enum:
   26       - qcom,sdm845-aggre1-noc
   27       - qcom,sdm845-aggre2-noc
   28       - qcom,sdm845-config-noc
   29       - qcom,sdm845-dc-noc
   30       - qcom,sdm845-gladiator-noc
   31       - qcom,sdm845-mem-noc
   32       - qcom,sdm845-mmss-noc
   33       - qcom,sdm845-system-noc
   34 
   35   '#interconnect-cells':
   36     const: 1
   37 
   38   qcom,bcm-voters:
   39     $ref: /schemas/types.yaml#/definitions/phandle-array
   40     description: |
   41       List of phandles to qcom,bcm-voter nodes that are required by
   42       this interconnect to send RPMh commands.
   43 
   44   qcom,bcm-voter-names:
   45     $ref: /schemas/types.yaml#/definitions/string-array
   46     description: |
   47       Names for each of the qcom,bcm-voters specified.
   48 
   49 required:
   50   - compatible
   51   - reg
   52   - '#interconnect-cells'
   53   - qcom,bcm-voters
   54 
   55 additionalProperties: false
   56 
   57 examples:
   58   - |
   59       #include <dt-bindings/interconnect/qcom,sdm845.h>
   60 
   61       mem_noc: interconnect@1380000 {
   62              compatible = "qcom,sdm845-mem-noc";
   63              reg = <0x01380000 0x27200>;
   64              #interconnect-cells = <1>;
   65              qcom,bcm-voters = <&apps_bcm_voter>;
   66       };
   67 
   68       mmss_noc: interconnect@1740000 {
   69              compatible = "qcom,sdm845-mmss-noc";
   70              reg = <0x01740000 0x1c1000>;
   71              #interconnect-cells = <1>;
   72              qcom,bcm-voter-names = "apps", "disp";
   73              qcom,bcm-voters = <&apps_bcm_voter>, <&disp_bcm_voter>;
   74       };

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