Documentation/devicetree/bindings/interconnect/qcom,sdm660.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,sdm660.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm SDM660 Network-On-Chip interconnect
   8
   9 maintainers:
  10   - AngeloGioacchino Del Regno <kholk11@gmail.com>
  11
  12 description: |
  13   The Qualcomm SDM660 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,sdm660-a2noc
  23       - qcom,sdm660-bimc
  24       - qcom,sdm660-cnoc
  25       - qcom,sdm660-gnoc
  26       - qcom,sdm660-mnoc
  27       - qcom,sdm660-snoc
  28
  29   '#interconnect-cells':
  30     const: 1
  31
  32   clocks:
  33     minItems: 1
  34     maxItems: 3
  35
  36   clock-names:
  37     minItems: 1
  38     maxItems: 3
  39
  40 required:
  41   - compatible
  42   - reg
  43   - '#interconnect-cells'
  44   - clock-names
  45   - clocks
  46
  47 additionalProperties: false
  48
  49 allOf:
  50   - if:
  51       properties:
  52         compatible:
  53           contains:
  54             enum:
  55               - qcom,sdm660-mnoc
  56     then:
  57       properties:
  58         clocks:
  59           items:
  60             - description: Bus Clock.
  61             - description: Bus A Clock.
  62             - description: CPU-NoC High-performance Bus Clock.
  63         clock-names:
  64           items:
  65             - const: bus
  66             - const: bus_a
  67             - const: iface
  68
  69   - if:
  70       properties:
  71         compatible:
  72           contains:
  73             enum:
  74               - qcom,sdm660-a2noc
  75               - qcom,sdm660-bimc
  76               - qcom,sdm660-cnoc
  77               - qcom,sdm660-gnoc
  78               - qcom,sdm660-snoc
  79     then:
  80       properties:
  81         clocks:
  82           items:
  83             - description: Bus Clock.
  84             - description: Bus A Clock.
  85         clock-names:
  86           items:
  87             - const: bus
  88             - const: bus_a
  89
  90 examples:
  91   - |
  92       #include <dt-bindings/clock/qcom,rpmcc.h>
  93       #include <dt-bindings/clock/qcom,mmcc-sdm660.h>
  94
  95       bimc: interconnect@1008000 {
  96               compatible = "qcom,sdm660-bimc";
  97               reg = <0x01008000 0x78000>;
  98               #interconnect-cells = <1>;
  99               clock-names = "bus", "bus_a";
 100               clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
 101                        <&rpmcc RPM_SMD_BIMC_A_CLK>;
 102       };
 103
 104       cnoc: interconnect@1500000 {
 105               compatible = "qcom,sdm660-cnoc";
 106               reg = <0x01500000 0x10000>;
 107               #interconnect-cells = <1>;
 108               clock-names = "bus", "bus_a";
 109               clocks = <&rpmcc RPM_SMD_CNOC_CLK>,
 110                        <&rpmcc RPM_SMD_CNOC_A_CLK>;
 111       };
 112
 113       snoc: interconnect@1626000 {
 114               compatible = "qcom,sdm660-snoc";
 115               reg = <0x01626000 0x7090>;
 116               #interconnect-cells = <1>;
 117               clock-names = "bus", "bus_a";
 118               clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
 119                        <&rpmcc RPM_SMD_SNOC_A_CLK>;
 120       };
 121
 122       a2noc: interconnect@1704000 {
 123               compatible = "qcom,sdm660-a2noc";
 124               reg = <0x01704000 0xc100>;
 125               #interconnect-cells = <1>;
 126               clock-names = "bus", "bus_a";
 127               clocks = <&rpmcc RPM_SMD_AGGR2_NOC_CLK>,
 128                        <&rpmcc RPM_SMD_AGGR2_NOC_A_CLK>;
 129       };
 130
 131       mnoc: interconnect@1745000 {
 132               compatible = "qcom,sdm660-mnoc";
 133               reg = <0x01745000 0xa010>;
 134               #interconnect-cells = <1>;
 135               clock-names = "bus", "bus_a", "iface";
 136               clocks = <&rpmcc RPM_SMD_MMSSNOC_AXI_CLK>,
 137                        <&rpmcc RPM_SMD_MMSSNOC_AXI_CLK_A>,
 138                        <&mmcc AHB_CLK_SRC>;
 139       };
 140
 141       gnoc: interconnect@17900000 {
 142               compatible = "qcom,sdm660-gnoc";
 143               reg = <0x17900000 0xe000>;
 144               #interconnect-cells = <1>;
 145               clock-names = "bus", "bus_a";
 146               clocks = <&xo_board>, <&xo_board>;
 147       };