Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml

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

title: Qualcomm RPM Network-On-Chip Interconnect

maintainers:
  - Georgi Djakov <georgi.djakov@linaro.org>

description: |
  RPM interconnect providers support system bandwidth requirements through
  RPM processor. The provider is able to communicate with the RPM through
  the RPM shared memory device.

properties:
  reg:
    maxItems: 1

  compatible:
    enum:
      - qcom,msm8916-bimc
      - qcom,msm8916-pcnoc
      - qcom,msm8916-snoc
      - qcom,msm8939-bimc
      - qcom,msm8939-pcnoc
      - qcom,msm8939-snoc
      - qcom,msm8939-snoc-mm
      - qcom,qcs404-bimc
      - qcom,qcs404-pcnoc
      - qcom,qcs404-snoc

  '#interconnect-cells':
    const: 1

  clock-names:
    items:
      - const: bus
      - const: bus_a

  clocks:
    items:
      - description: Bus Clock
      - description: Bus A Clock

required:
  - compatible
  - reg
  - '#interconnect-cells'
  - clock-names
  - clocks

additionalProperties: false

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

      bimc: interconnect@400000 {
              compatible = "qcom,msm8916-bimc";
              reg = <0x00400000 0x62000>;
              #interconnect-cells = <1>;
              clock-names = "bus", "bus_a";
              clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
                       <&rpmcc RPM_SMD_BIMC_A_CLK>;
      };

      pcnoc: interconnect@500000 {
              compatible = "qcom,msm8916-pcnoc";
              reg = <0x00500000 0x11000>;
              #interconnect-cells = <1>;
              clock-names = "bus", "bus_a";
              clocks = <&rpmcc RPM_SMD_PCNOC_CLK>,
                       <&rpmcc RPM_SMD_PCNOC_A_CLK>;
      };

      snoc: interconnect@580000 {
              compatible = "qcom,msm8916-snoc";
              reg = <0x00580000 0x14000>;
              #interconnect-cells = <1>;
              clock-names = "bus", "bus_a";
              clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
                       <&rpmcc RPM_SMD_SNOC_A_CLK>;
      };