summaryrefslogtreecommitdiffstats
path: root/dts/Bindings/interconnect/qcom,qcm2290.yaml
blob: f65a2fe846deaee6f091da9581754f9870ac5c16 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interconnect/qcom,qcm2290.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm QCM2290 Network-On-Chip interconnect

maintainers:
  - Shawn Guo <shawn.guo@linaro.org>

description: |
  The Qualcomm QCM2290 interconnect providers support adjusting the
  bandwidth requirements between the various NoC fabrics.

properties:
  reg:
    maxItems: 1

  compatible:
    enum:
      - qcom,qcm2290-bimc
      - qcom,qcm2290-cnoc
      - qcom,qcm2290-snoc

  '#interconnect-cells':
    const: 1

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

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

# Child node's properties
patternProperties:
  '^interconnect-[a-z0-9]+$':
    type: object
    description:
      The interconnect providers do not have a separate QoS register space,
      but share parent's space.

    properties:
      compatible:
        enum:
          - qcom,qcm2290-qup-virt
          - qcom,qcm2290-mmrt-virt
          - qcom,qcm2290-mmnrt-virt

      '#interconnect-cells':
        const: 1

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

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

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

    additionalProperties: false

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

additionalProperties: false

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

    snoc: interconnect@1880000 {
        compatible = "qcom,qcm2290-snoc";
        reg = <0x01880000 0x60200>;
        #interconnect-cells = <1>;
        clock-names = "bus", "bus_a";
        clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
                 <&rpmcc RPM_SMD_SNOC_A_CLK>;

        qup_virt: interconnect-qup {
            compatible = "qcom,qcm2290-qup-virt";
            #interconnect-cells = <1>;
            clock-names = "bus", "bus_a";
            clocks = <&rpmcc RPM_SMD_QUP_CLK>,
                     <&rpmcc RPM_SMD_QUP_A_CLK>;
        };

        mmnrt_virt: interconnect-mmnrt {
            compatible = "qcom,qcm2290-mmnrt-virt";
            #interconnect-cells = <1>;
            clock-names = "bus", "bus_a";
            clocks = <&rpmcc RPM_SMD_MMNRT_CLK>,
                     <&rpmcc RPM_SMD_MMNRT_A_CLK>;
        };

        mmrt_virt: interconnect-mmrt {
            compatible = "qcom,qcm2290-mmrt-virt";
            #interconnect-cells = <1>;
            clock-names = "bus", "bus_a";
            clocks = <&rpmcc RPM_SMD_MMRT_CLK>,
                     <&rpmcc RPM_SMD_MMRT_A_CLK>;
        };
    };

    cnoc: interconnect@1900000 {
        compatible = "qcom,qcm2290-cnoc";
        reg = <0x01900000 0x8200>;
        #interconnect-cells = <1>;
        clock-names = "bus", "bus_a";
        clocks = <&rpmcc RPM_SMD_CNOC_CLK>,
                 <&rpmcc RPM_SMD_CNOC_A_CLK>;
    };

    bimc: interconnect@4480000 {
        compatible = "qcom,qcm2290-bimc";
        reg = <0x04480000 0x80000>;
        #interconnect-cells = <1>;
        clock-names = "bus", "bus_a";
        clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
                 <&rpmcc RPM_SMD_BIMC_A_CLK>;
    };