xref: /linux/Documentation/devicetree/bindings/interconnect/qcom,sc7280-rpmh.yaml (revision 55d0969c451159cff86949b38c39171cab962069) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/interconnect/qcom,sc7280-rpmh.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm RPMh Network-On-Chip Interconnect on SC7280
8
9maintainers:
10  - Bjorn Andersson <andersson@kernel.org>
11  - Konrad Dybcio <konradybcio@kernel.org>
12
13description: |
14  RPMh interconnect providers support system bandwidth requirements through
15  RPMh hardware accelerators known as Bus Clock Manager (BCM).
16
17  See also:: include/dt-bindings/interconnect/qcom,sc7280.h
18
19properties:
20  compatible:
21    enum:
22      - qcom,sc7280-aggre1-noc
23      - qcom,sc7280-aggre2-noc
24      - qcom,sc7280-clk-virt
25      - qcom,sc7280-cnoc2
26      - qcom,sc7280-cnoc3
27      - qcom,sc7280-dc-noc
28      - qcom,sc7280-gem-noc
29      - qcom,sc7280-lpass-ag-noc
30      - qcom,sc7280-mc-virt
31      - qcom,sc7280-mmss-noc
32      - qcom,sc7280-nsp-noc
33      - qcom,sc7280-system-noc
34
35  reg:
36    maxItems: 1
37
38  clocks:
39    minItems: 1
40    maxItems: 2
41
42required:
43  - compatible
44
45allOf:
46  - $ref: qcom,rpmh-common.yaml#
47  - if:
48      properties:
49        compatible:
50          contains:
51            enum:
52              - qcom,sc7280-clk-virt
53    then:
54      properties:
55        reg: false
56    else:
57      required:
58        - reg
59
60  - if:
61      properties:
62        compatible:
63          contains:
64            enum:
65              - qcom,sc7280-aggre1-noc
66    then:
67      properties:
68        clocks:
69          items:
70            - description: aggre UFS PHY AXI clock
71            - description: aggre USB3 PRIM AXI clock
72
73  - if:
74      properties:
75        compatible:
76          contains:
77            enum:
78              - qcom,sc7280-aggre2-noc
79    then:
80      properties:
81        clocks:
82          items:
83            - description: RPMH CC IPA clock
84
85  - if:
86      properties:
87        compatible:
88          contains:
89            enum:
90              - qcom,sc7280-aggre1-noc
91              - qcom,sc7280-aggre2-noc
92    then:
93      required:
94        - clocks
95    else:
96      properties:
97        clocks: false
98
99unevaluatedProperties: false
100
101examples:
102  - |
103    #include <dt-bindings/clock/qcom,gcc-sc7280.h>
104    interconnect {
105        compatible = "qcom,sc7280-clk-virt";
106        #interconnect-cells = <2>;
107        qcom,bcm-voters = <&apps_bcm_voter>;
108    };
109
110    interconnect@9100000 {
111        reg = <0x9100000 0xe2200>;
112        compatible = "qcom,sc7280-gem-noc";
113        #interconnect-cells = <2>;
114        qcom,bcm-voters = <&apps_bcm_voter>;
115    };
116
117    interconnect@16e0000 {
118        reg = <0x016e0000 0x1c080>;
119        compatible = "qcom,sc7280-aggre1-noc";
120        #interconnect-cells = <2>;
121        qcom,bcm-voters = <&apps_bcm_voter>;
122        clocks = <&gcc GCC_AGGRE_UFS_PHY_AXI_CLK>,
123                 <&gcc GCC_AGGRE_USB3_PRIM_AXI_CLK>;
124    };
125