xref: /linux/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml (revision 9dbbc3b9d09d6deba9f3b9e1d5b355032ed46a75) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/interconnect/qcom,rpm.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm RPM Network-On-Chip Interconnect
8
9maintainers:
10  - Georgi Djakov <georgi.djakov@linaro.org>
11
12description: |
13  RPM interconnect providers support system bandwidth requirements through
14  RPM processor. The provider is able to communicate with the RPM through
15  the RPM shared memory device.
16
17properties:
18  reg:
19    maxItems: 1
20
21  compatible:
22    enum:
23      - qcom,msm8916-bimc
24      - qcom,msm8916-pcnoc
25      - qcom,msm8916-snoc
26      - qcom,msm8939-bimc
27      - qcom,msm8939-pcnoc
28      - qcom,msm8939-snoc
29      - qcom,msm8939-snoc-mm
30      - qcom,qcs404-bimc
31      - qcom,qcs404-pcnoc
32      - qcom,qcs404-snoc
33
34  '#interconnect-cells':
35    const: 1
36
37  clock-names:
38    items:
39      - const: bus
40      - const: bus_a
41
42  clocks:
43    items:
44      - description: Bus Clock
45      - description: Bus A Clock
46
47required:
48  - compatible
49  - reg
50  - '#interconnect-cells'
51  - clock-names
52  - clocks
53
54additionalProperties: false
55
56examples:
57  - |
58      #include <dt-bindings/clock/qcom,rpmcc.h>
59
60      bimc: interconnect@400000 {
61              compatible = "qcom,msm8916-bimc";
62              reg = <0x00400000 0x62000>;
63              #interconnect-cells = <1>;
64              clock-names = "bus", "bus_a";
65              clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
66                       <&rpmcc RPM_SMD_BIMC_A_CLK>;
67      };
68
69      pcnoc: interconnect@500000 {
70              compatible = "qcom,msm8916-pcnoc";
71              reg = <0x00500000 0x11000>;
72              #interconnect-cells = <1>;
73              clock-names = "bus", "bus_a";
74              clocks = <&rpmcc RPM_SMD_PCNOC_CLK>,
75                       <&rpmcc RPM_SMD_PCNOC_A_CLK>;
76      };
77
78      snoc: interconnect@580000 {
79              compatible = "qcom,msm8916-snoc";
80              reg = <0x00580000 0x14000>;
81              #interconnect-cells = <1>;
82              clock-names = "bus", "bus_a";
83              clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
84                       <&rpmcc RPM_SMD_SNOC_A_CLK>;
85      };
86