Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml

   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,msm8939-snoc-mm
  30       - qcom,qcs404-bimc
  31       - qcom,qcs404-pcnoc
  32       - qcom,qcs404-snoc
  33
  34   '#interconnect-cells':
  35     const: 1
  36
  37   clock-names:
  38     items:
  39       - const: bus
  40       - const: bus_a
  41
  42   clocks:
  43     items:
  44       - description: Bus Clock
  45       - description: Bus A Clock
  46
  47 required:
  48   - compatible
  49   - reg
  50   - '#interconnect-cells'
  51   - clock-names
  52   - clocks
  53
  54 additionalProperties: false
  55
  56 examples:
  57   - |
  58       #include <dt-bindings/clock/qcom,rpmcc.h>
  59
  60       bimc: interconnect@400000 {
  61               compatible = "qcom,msm8916-bimc";
  62               reg = <0x00400000 0x62000>;
  63               #interconnect-cells = <1>;
  64               clock-names = "bus", "bus_a";
  65               clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
  66                        <&rpmcc RPM_SMD_BIMC_A_CLK>;
  67       };
  68
  69       pcnoc: interconnect@500000 {
  70               compatible = "qcom,msm8916-pcnoc";
  71               reg = <0x00500000 0x11000>;
  72               #interconnect-cells = <1>;
  73               clock-names = "bus", "bus_a";
  74               clocks = <&rpmcc RPM_SMD_PCNOC_CLK>,
  75                        <&rpmcc RPM_SMD_PCNOC_A_CLK>;
  76       };
  77
  78       snoc: interconnect@580000 {
  79               compatible = "qcom,msm8916-snoc";
  80               reg = <0x00580000 0x14000>;
  81               #interconnect-cells = <1>;
  82               clock-names = "bus", "bus_a";
  83               clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
  84                        <&rpmcc RPM_SMD_SNOC_A_CLK>;
  85       };