xref: /linux/Documentation/devicetree/bindings/interconnect/qcom,msm8996.yaml (revision d03374a61b0fce165ec51529652ec55ed0ac305c)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interconnect/qcom,msm8996.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm MSM8996 Network-On-Chip interconnect

maintainers:
  - Konrad Dybcio <konradybcio@kernel.org>

description: |
  The Qualcomm MSM8996 interconnect providers support adjusting the
  bandwidth requirements between the various NoC fabrics.

properties:
  compatible:
    enum:
      - qcom,msm8996-a0noc
      - qcom,msm8996-a1noc
      - qcom,msm8996-a2noc
      - qcom,msm8996-bimc
      - qcom,msm8996-cnoc
      - qcom,msm8996-mnoc
      - qcom,msm8996-pnoc
      - qcom,msm8996-snoc

  reg:
    maxItems: 1

  clock-names:
    minItems: 1
    maxItems: 3

  clocks:
    minItems: 1
    maxItems: 3

  power-domains:
    maxItems: 1

required:
  - compatible
  - reg

unevaluatedProperties: false

allOf:
  - $ref: qcom,rpm-common.yaml#
  - if:
      properties:
        compatible:
          const: qcom,msm8996-a0noc

    then:
      properties:
        clocks:
          items:
            - description: Aggregate0 System NoC AXI Clock.
            - description: Aggregate0 Config NoC AHB Clock.
            - description: Aggregate0 NoC MPU Clock.

        clock-names:
          items:
            - const: aggre0_snoc_axi
            - const: aggre0_cnoc_ahb
            - const: aggre0_noc_mpu_cfg

      required:
        - power-domains

  - if:
      properties:
        compatible:
          const: qcom,msm8996-mnoc

    then:
      properties:
        clocks:
          items:
            - description: CPU-NoC High-performance Bus Clock.

        clock-names:
          const: iface

  - if:
      properties:
        compatible:
          const: qcom,msm8996-a2noc

    then:
      properties:
        clocks:
          items:
            - description: Aggregate2 NoC UFS AXI Clock
            - description: UFS AXI Clock

        clock-names:
          items:
            - const: aggre2_ufs_axi
            - const: ufs_axi

examples:
  - |
    #include <dt-bindings/clock/qcom,gcc-msm8996.h>
    #include <dt-bindings/clock/qcom,mmcc-msm8996.h>
    #include <dt-bindings/clock/qcom,rpmcc.h>

    bimc: interconnect@408000 {
        compatible = "qcom,msm8996-bimc";
        reg = <0x00408000 0x5a000>;
        #interconnect-cells = <1>;
    };

    a0noc: interconnect@543000 {
        compatible = "qcom,msm8996-a0noc";
        reg = <0x00543000 0x6000>;
        #interconnect-cells = <1>;
        clocks = <&gcc GCC_AGGRE0_SNOC_AXI_CLK>,
                 <&gcc GCC_AGGRE0_CNOC_AHB_CLK>,
                 <&gcc GCC_AGGRE0_NOC_MPU_CFG_AHB_CLK>;
        clock-names = "aggre0_snoc_axi",
                      "aggre0_cnoc_ahb",
                      "aggre0_noc_mpu_cfg";
        power-domains = <&gcc AGGRE0_NOC_GDSC>;
    };