Documentation/devicetree/bindings/interconnect/qcom,msm8953.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,msm8953.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm MSM8953 Network-On-Chip interconnect
   8
   9 maintainers:
  10   - Barnabas Czeman <barnabas.czeman@mainlining.org>
  11
  12 description: |
  13   The Qualcomm MSM8953 interconnect providers support adjusting the
  14   bandwidth requirements between the various NoC fabrics.
  15
  16   See also: include/dt-bindings/interconnect/qcom,msm8953.h
  17
  18 properties:
  19   compatible:
  20     enum:
  21       - qcom,msm8953-bimc
  22       - qcom,msm8953-pcnoc
  23       - qcom,msm8953-snoc
  24
  25   reg:
  26     maxItems: 1
  27
  28   clocks:
  29     maxItems: 1
  30
  31   clock-names:
  32     maxItems: 1
  33
  34   '#interconnect-cells':
  35     const: 2
  36
  37 patternProperties:
  38   '^interconnect-[a-z0-9\-]+$':
  39     type: object
  40     $ref: qcom,rpm-common.yaml#
  41     unevaluatedProperties: false
  42     description:
  43       The interconnect providers do not have a separate QoS register space,
  44       but share parent's space.
  45
  46     properties:
  47       compatible:
  48         const: qcom,msm8953-snoc-mm
  49
  50     required:
  51       - compatible
  52       - '#interconnect-cells'
  53
  54 required:
  55   - compatible
  56   - reg
  57   - '#interconnect-cells'
  58
  59 allOf:
  60   - $ref: qcom,rpm-common.yaml#
  61   - if:
  62       properties:
  63         compatible:
  64           const: qcom,msm8953-pcnoc
  65
  66     then:
  67       properties:
  68         clocks:
  69           items:
  70             - description: PCNOC USB3 AXI Clock.
  71
  72         clock-names:
  73           const: pcnoc_usb3_axi
  74
  75       required:
  76         - clocks
  77         - clock-names
  78     else:
  79       properties:
  80         clocks: false
  81         clock-names: false
  82
  83 additionalProperties: false
  84
  85 examples:
  86   - |
  87       #include <dt-bindings/clock/qcom,gcc-msm8953.h>
  88
  89       snoc: interconnect@580000 {
  90           compatible = "qcom,msm8953-snoc";
  91           reg = <0x580000 0x16080>;
  92
  93           #interconnect-cells = <2>;
  94
  95           snoc_mm: interconnect-snoc {
  96               compatible = "qcom,msm8953-snoc-mm";
  97
  98               #interconnect-cells = <2>;
  99           };
 100       };