qcom,sc7180.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,sc7180.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Qualcomm SC7180 Network-On-Chip Interconnect
    8 
    9 maintainers:
   10   - Odelu Kukatla <okukatla@codeaurora.org>
   11 
   12 description: |
   13    SC7180 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,sc7180-aggre1-noc
   27       - qcom,sc7180-aggre2-noc
   28       - qcom,sc7180-camnoc-virt
   29       - qcom,sc7180-compute-noc
   30       - qcom,sc7180-config-noc
   31       - qcom,sc7180-dc-noc
   32       - qcom,sc7180-gem-noc
   33       - qcom,sc7180-ipa-virt
   34       - qcom,sc7180-mc-virt
   35       - qcom,sc7180-mmss-noc
   36       - qcom,sc7180-npu-noc
   37       - qcom,sc7180-qup-virt
   38       - qcom,sc7180-system-noc
   39 
   40   '#interconnect-cells':
   41     const: 1
   42 
   43   qcom,bcm-voters:
   44     $ref: /schemas/types.yaml#/definitions/phandle-array
   45     description: |
   46       List of phandles to qcom,bcm-voter nodes that are required by
   47       this interconnect to send RPMh commands.
   48 
   49   qcom,bcm-voter-names:
   50     $ref: /schemas/types.yaml#/definitions/string-array
   51     description: |
   52       Names for each of the qcom,bcm-voters specified.
   53 
   54 required:
   55   - compatible
   56   - reg
   57   - '#interconnect-cells'
   58   - qcom,bcm-voters
   59 
   60 additionalProperties: false
   61 
   62 examples:
   63   - |
   64       #include <dt-bindings/interconnect/qcom,sc7180.h>
   65 
   66       config_noc: interconnect@1500000 {
   67             compatible = "qcom,sc7180-config-noc";
   68             reg = <0x01500000 0x28000>;
   69             #interconnect-cells = <1>;
   70             qcom,bcm-voters = <&apps_bcm_voter>;
   71       };
   72 
   73       system_noc: interconnect@1620000 {
   74             compatible = "qcom,sc7180-system-noc";
   75             reg = <0x01620000 0x17080>;
   76             #interconnect-cells = <1>;
   77             qcom,bcm-voters = <&apps_bcm_voter>;
   78       };
   79 
   80       mmss_noc: interconnect@1740000 {
   81             compatible = "qcom,sc7180-mmss-noc";
   82             reg = <0x01740000 0x1c100>;
   83             #interconnect-cells = <1>;
   84             qcom,bcm-voters = <&apps_bcm_voter>;
   85       };

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