qcom,rpm.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,rpm.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Qualcomm RPM Network-On-Chip Interconnect
    8 
    9 maintainers:
   10   - Georgi Djakov <georgi.djakov@linaro.org>
   11 
   12 description: |
   13   RPM interconnect providers support system bandwidth requirements through
   14   RPM processor. The provider is able to communicate with the RPM through
   15   the RPM shared memory device.
   16 
   17 properties:
   18   reg:
   19     maxItems: 1
   20 
   21   compatible:
   22     enum:
   23       - qcom,msm8916-bimc
   24       - qcom,msm8916-pcnoc
   25       - qcom,msm8916-snoc
   26       - qcom,msm8939-bimc
   27       - qcom,msm8939-pcnoc
   28       - qcom,msm8939-snoc
   29       - qcom,msm8996-a0noc
   30       - qcom,msm8996-a1noc
   31       - qcom,msm8996-a2noc
   32       - qcom,msm8996-bimc
   33       - qcom,msm8996-cnoc
   34       - qcom,msm8996-mnoc
   35       - qcom,msm8996-pnoc
   36       - qcom,msm8996-snoc
   37       - qcom,qcs404-bimc
   38       - qcom,qcs404-pcnoc
   39       - qcom,qcs404-snoc
   40       - qcom,sdm660-a2noc
   41       - qcom,sdm660-bimc
   42       - qcom,sdm660-cnoc
   43       - qcom,sdm660-gnoc
   44       - qcom,sdm660-mnoc
   45       - qcom,sdm660-snoc
   46 
   47   '#interconnect-cells':
   48     description: |
   49       Value: <1> is one cell in an interconnect specifier for the
   50       interconnect node id, <2> requires the interconnect node id and an
   51       extra path tag.
   52     enum: [ 1, 2 ]
   53 
   54   clocks:
   55     minItems: 2
   56     maxItems: 7
   57 
   58   clock-names:
   59     minItems: 2
   60     maxItems: 7
   61 
   62   power-domains:
   63     maxItems: 1
   64 
   65 required:
   66   - compatible
   67   - reg
   68   - '#interconnect-cells'
   69   - clock-names
   70   - clocks
   71 
   72 additionalProperties: false
   73 
   74 allOf:
   75   - if:
   76       properties:
   77         compatible:
   78           contains:
   79             enum:
   80               - qcom,msm8916-bimc
   81               - qcom,msm8916-pcnoc
   82               - qcom,msm8916-snoc
   83               - qcom,msm8939-bimc
   84               - qcom,msm8939-pcnoc
   85               - qcom,msm8939-snoc
   86               - qcom,msm8996-a1noc
   87               - qcom,msm8996-a2noc
   88               - qcom,msm8996-bimc
   89               - qcom,msm8996-cnoc
   90               - qcom,msm8996-pnoc
   91               - qcom,msm8996-snoc
   92               - qcom,qcs404-bimc
   93               - qcom,qcs404-pcnoc
   94               - qcom,qcs404-snoc
   95               - qcom,sdm660-bimc
   96               - qcom,sdm660-cnoc
   97               - qcom,sdm660-gnoc
   98               - qcom,sdm660-snoc
   99 
  100     then:
  101       properties:
  102         clock-names:
  103           items:
  104             - const: bus
  105             - const: bus_a
  106 
  107         clocks:
  108           items:
  109             - description: Bus Clock
  110             - description: Bus A Clock
  111 
  112       # Child node's properties
  113       patternProperties:
  114         '^interconnect-[a-z0-9]+$':
  115           type: object
  116           description:
  117             snoc-mm is a child of snoc, sharing snoc's register address space.
  118 
  119           properties:
  120             compatible:
  121               enum:
  122                 - qcom,msm8939-snoc-mm
  123 
  124             '#interconnect-cells':
  125               const: 1
  126 
  127             clock-names:
  128               items:
  129                 - const: bus
  130                 - const: bus_a
  131 
  132             clocks:
  133               items:
  134                 - description: Bus Clock
  135                 - description: Bus A Clock
  136 
  137           required:
  138             - compatible
  139             - '#interconnect-cells'
  140             - clock-names
  141             - clocks
  142 
  143   - if:
  144       properties:
  145         compatible:
  146           contains:
  147             enum:
  148               - qcom,msm8996-mnoc
  149               - qcom,sdm660-mnoc
  150 
  151     then:
  152       properties:
  153         clock-names:
  154           items:
  155             - const: bus
  156             - const: bus_a
  157             - const: iface
  158 
  159         clocks:
  160           items:
  161             - description: Bus Clock.
  162             - description: Bus A Clock.
  163             - description: CPU-NoC High-performance Bus Clock.
  164 
  165   - if:
  166       properties:
  167         compatible:
  168           contains:
  169             enum:
  170               - qcom,msm8996-a0noc
  171 
  172     then:
  173       properties:
  174         clock-names:
  175           items:
  176             - const: aggre0_snoc_axi
  177             - const: aggre0_cnoc_ahb
  178             - const: aggre0_noc_mpu_cfg
  179 
  180         clocks:
  181           items:
  182             - description: Aggregate0 System NoC AXI Clock.
  183             - description: Aggregate0 Config NoC AHB Clock.
  184             - description: Aggregate0 NoC MPU Clock.
  185 
  186       required:
  187         - power-domains
  188 
  189   - if:
  190       properties:
  191         compatible:
  192           contains:
  193             enum:
  194               - qcom,sdm660-a2noc
  195 
  196     then:
  197       properties:
  198         clock-names:
  199           items:
  200             - const: bus
  201             - const: bus_a
  202             - const: ipa
  203             - const: ufs_axi
  204             - const: aggre2_ufs_axi
  205             - const: aggre2_usb3_axi
  206             - const: cfg_noc_usb2_axi
  207 
  208         clocks:
  209           items:
  210             - description: Bus Clock.
  211             - description: Bus A Clock.
  212             - description: IPA Clock.
  213             - description: UFS AXI Clock.
  214             - description: Aggregate2 UFS AXI Clock.
  215             - description: Aggregate2 USB3 AXI Clock.
  216             - description: Config NoC USB2 AXI Clock.
  217 
  218 examples:
  219   - |
  220       #include <dt-bindings/clock/qcom,rpmcc.h>
  221 
  222       bimc: interconnect@400000 {
  223               compatible = "qcom,msm8916-bimc";
  224               reg = <0x00400000 0x62000>;
  225               #interconnect-cells = <1>;
  226               clock-names = "bus", "bus_a";
  227               clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
  228                        <&rpmcc RPM_SMD_BIMC_A_CLK>;
  229       };
  230 
  231       pcnoc: interconnect@500000 {
  232               compatible = "qcom,msm8916-pcnoc";
  233               reg = <0x00500000 0x11000>;
  234               #interconnect-cells = <1>;
  235               clock-names = "bus", "bus_a";
  236               clocks = <&rpmcc RPM_SMD_PCNOC_CLK>,
  237                        <&rpmcc RPM_SMD_PCNOC_A_CLK>;
  238       };
  239 
  240       snoc: interconnect@580000 {
  241               compatible = "qcom,msm8916-snoc";
  242               reg = <0x00580000 0x14000>;
  243               #interconnect-cells = <1>;
  244               clock-names = "bus", "bus_a";
  245               clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
  246                        <&rpmcc RPM_SMD_SNOC_A_CLK>;
  247       };

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