Documentation/devicetree/bindings/interconnect/qcom,qcm2290.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,qcm2290.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm QCM2290 Network-On-Chip interconnect
   8
   9 maintainers:
  10   - Shawn Guo <shawn.guo@linaro.org>
  11
  12 description: |
  13   The Qualcomm QCM2290 interconnect providers support adjusting the
  14   bandwidth requirements between the various NoC fabrics.
  15
  16 properties:
  17   reg:
  18     maxItems: 1
  19
  20   compatible:
  21     enum:
  22       - qcom,qcm2290-bimc
  23       - qcom,qcm2290-cnoc
  24       - qcom,qcm2290-snoc
  25
  26   '#interconnect-cells':
  27     const: 1
  28
  29   clock-names:
  30     items:
  31       - const: bus
  32       - const: bus_a
  33
  34   clocks:
  35     items:
  36       - description: Bus Clock
  37       - description: Bus A Clock
  38
  39 # Child node's properties
  40 patternProperties:
  41   '^interconnect-[a-z0-9]+$':
  42     type: object
  43     description:
  44       The interconnect providers do not have a separate QoS register space,
  45       but share parent's space.
  46
  47     properties:
  48       compatible:
  49         enum:
  50           - qcom,qcm2290-qup-virt
  51           - qcom,qcm2290-mmrt-virt
  52           - qcom,qcm2290-mmnrt-virt
  53
  54       '#interconnect-cells':
  55         const: 1
  56
  57       clock-names:
  58         items:
  59           - const: bus
  60           - const: bus_a
  61
  62       clocks:
  63         items:
  64           - description: Bus Clock
  65           - description: Bus A Clock
  66
  67     required:
  68       - compatible
  69       - '#interconnect-cells'
  70       - clock-names
  71       - clocks
  72
  73     additionalProperties: false
  74
  75 required:
  76   - compatible
  77   - reg
  78   - '#interconnect-cells'
  79   - clock-names
  80   - clocks
  81
  82 additionalProperties: false
  83
  84 examples:
  85   - |
  86     #include <dt-bindings/clock/qcom,rpmcc.h>
  87
  88     snoc: interconnect@1880000 {
  89         compatible = "qcom,qcm2290-snoc";
  90         reg = <0x01880000 0x60200>;
  91         #interconnect-cells = <1>;
  92         clock-names = "bus", "bus_a";
  93         clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
  94                  <&rpmcc RPM_SMD_SNOC_A_CLK>;
  95
  96         qup_virt: interconnect-qup {
  97             compatible = "qcom,qcm2290-qup-virt";
  98             #interconnect-cells = <1>;
  99             clock-names = "bus", "bus_a";
 100             clocks = <&rpmcc RPM_SMD_QUP_CLK>,
 101                      <&rpmcc RPM_SMD_QUP_A_CLK>;
 102         };
 103
 104         mmnrt_virt: interconnect-mmnrt {
 105             compatible = "qcom,qcm2290-mmnrt-virt";
 106             #interconnect-cells = <1>;
 107             clock-names = "bus", "bus_a";
 108             clocks = <&rpmcc RPM_SMD_MMNRT_CLK>,
 109                      <&rpmcc RPM_SMD_MMNRT_A_CLK>;
 110         };
 111
 112         mmrt_virt: interconnect-mmrt {
 113             compatible = "qcom,qcm2290-mmrt-virt";
 114             #interconnect-cells = <1>;
 115             clock-names = "bus", "bus_a";
 116             clocks = <&rpmcc RPM_SMD_MMRT_CLK>,
 117                      <&rpmcc RPM_SMD_MMRT_A_CLK>;
 118         };
 119     };
 120
 121     cnoc: interconnect@1900000 {
 122         compatible = "qcom,qcm2290-cnoc";
 123         reg = <0x01900000 0x8200>;
 124         #interconnect-cells = <1>;
 125         clock-names = "bus", "bus_a";
 126         clocks = <&rpmcc RPM_SMD_CNOC_CLK>,
 127                  <&rpmcc RPM_SMD_CNOC_A_CLK>;
 128     };
 129
 130     bimc: interconnect@4480000 {
 131         compatible = "qcom,qcm2290-bimc";
 132         reg = <0x04480000 0x80000>;
 133         #interconnect-cells = <1>;
 134         clock-names = "bus", "bus_a";
 135         clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
 136                  <&rpmcc RPM_SMD_BIMC_A_CLK>;
 137     };