Documentation/devicetree/bindings/interconnect/qcom,msm8996.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,msm8996.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm MSM8996 Network-On-Chip interconnect
   8
   9 maintainers:
  10   - Konrad Dybcio <konradybcio@kernel.org>
  11
  12 description: |
  13   The Qualcomm MSM8996 interconnect providers support adjusting the
  14   bandwidth requirements between the various NoC fabrics.
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - qcom,msm8996-a0noc
  20       - qcom,msm8996-a1noc
  21       - qcom,msm8996-a2noc
  22       - qcom,msm8996-bimc
  23       - qcom,msm8996-cnoc
  24       - qcom,msm8996-mnoc
  25       - qcom,msm8996-pnoc
  26       - qcom,msm8996-snoc
  27
  28   reg:
  29     maxItems: 1
  30
  31   clock-names:
  32     minItems: 1
  33     maxItems: 3
  34
  35   clocks:
  36     minItems: 1
  37     maxItems: 3
  38
  39   power-domains:
  40     maxItems: 1
  41
  42 required:
  43   - compatible
  44   - reg
  45
  46 unevaluatedProperties: false
  47
  48 allOf:
  49   - $ref: qcom,rpm-common.yaml#
  50   - if:
  51       properties:
  52         compatible:
  53           const: qcom,msm8996-a0noc
  54
  55     then:
  56       properties:
  57         clocks:
  58           items:
  59             - description: Aggregate0 System NoC AXI Clock.
  60             - description: Aggregate0 Config NoC AHB Clock.
  61             - description: Aggregate0 NoC MPU Clock.
  62
  63         clock-names:
  64           items:
  65             - const: aggre0_snoc_axi
  66             - const: aggre0_cnoc_ahb
  67             - const: aggre0_noc_mpu_cfg
  68
  69       required:
  70         - power-domains
  71
  72   - if:
  73       properties:
  74         compatible:
  75           const: qcom,msm8996-mnoc
  76
  77     then:
  78       properties:
  79         clocks:
  80           items:
  81             - description: CPU-NoC High-performance Bus Clock.
  82
  83         clock-names:
  84           const: iface
  85
  86   - if:
  87       properties:
  88         compatible:
  89           const: qcom,msm8996-a2noc
  90
  91     then:
  92       properties:
  93         clocks:
  94           items:
  95             - description: Aggregate2 NoC UFS AXI Clock
  96             - description: UFS AXI Clock
  97
  98         clock-names:
  99           items:
 100             - const: aggre2_ufs_axi
 101             - const: ufs_axi
 102
 103 examples:
 104   - |
 105     #include <dt-bindings/clock/qcom,gcc-msm8996.h>
 106     #include <dt-bindings/clock/qcom,mmcc-msm8996.h>
 107     #include <dt-bindings/clock/qcom,rpmcc.h>
 108
 109     bimc: interconnect@408000 {
 110         compatible = "qcom,msm8996-bimc";
 111         reg = <0x00408000 0x5a000>;
 112         #interconnect-cells = <1>;
 113     };
 114
 115     a0noc: interconnect@543000 {
 116         compatible = "qcom,msm8996-a0noc";
 117         reg = <0x00543000 0x6000>;
 118         #interconnect-cells = <1>;
 119         clocks = <&gcc GCC_AGGRE0_SNOC_AXI_CLK>,
 120                  <&gcc GCC_AGGRE0_CNOC_AHB_CLK>,
 121                  <&gcc GCC_AGGRE0_NOC_MPU_CFG_AHB_CLK>;
 122         clock-names = "aggre0_snoc_axi",
 123                       "aggre0_cnoc_ahb",
 124                       "aggre0_noc_mpu_cfg";
 125         power-domains = <&gcc AGGRE0_NOC_GDSC>;
 126     };