xref: /freebsd/sys/contrib/device-tree/Bindings/interconnect/qcom,sdx75-rpmh.yaml (revision 6580f5c38dd5b01aeeaed16b370f1a12423437f0) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/interconnect/qcom,sdx75-rpmh.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm RPMh Network-On-Chip Interconnect on SDX75
8
9maintainers:
10  - Rohit Agarwal <quic_rohiagar@quicinc.com>
11
12description:
13  RPMh interconnect providers support system bandwidth requirements through
14  RPMh hardware accelerators known as Bus Clock Manager (BCM). The provider is
15  able to communicate with the BCM through the Resource State Coordinator (RSC)
16  associated with each execution environment. Provider nodes must point to at
17  least one RPMh device child node pertaining to their RSC and each provider
18  can map to multiple RPMh resources.
19
20properties:
21  compatible:
22    enum:
23      - qcom,sdx75-clk-virt
24      - qcom,sdx75-dc-noc
25      - qcom,sdx75-gem-noc
26      - qcom,sdx75-mc-virt
27      - qcom,sdx75-pcie-anoc
28      - qcom,sdx75-system-noc
29
30  '#interconnect-cells': true
31
32  reg:
33    maxItems: 1
34
35  clocks:
36    maxItems: 1
37
38required:
39  - compatible
40
41allOf:
42  - $ref: qcom,rpmh-common.yaml#
43  - if:
44      properties:
45        compatible:
46          contains:
47            enum:
48              - qcom,sdx75-clk-virt
49              - qcom,sdx75-mc-virt
50    then:
51      properties:
52        reg: false
53    else:
54      required:
55        - reg
56
57  - if:
58      properties:
59        compatible:
60          contains:
61            enum:
62              - qcom,sdx75-clk-virt
63    then:
64      properties:
65        clocks:
66          items:
67            - description: RPMH CC QPIC Clock
68      required:
69        - clocks
70    else:
71      properties:
72        clocks: false
73
74unevaluatedProperties: false
75
76examples:
77  - |
78    #include <dt-bindings/clock/qcom,rpmh.h>
79
80    clk_virt: interconnect-0 {
81            compatible = "qcom,sdx75-clk-virt";
82            #interconnect-cells = <2>;
83            qcom,bcm-voters = <&apps_bcm_voter>;
84            clocks = <&rpmhcc RPMH_QPIC_CLK>;
85    };
86
87    system_noc: interconnect@1640000 {
88            compatible = "qcom,sdx75-system-noc";
89            reg = <0x1640000 0x4b400>;
90            #interconnect-cells = <2>;
91            qcom,bcm-voters = <&apps_bcm_voter>;
92    };
93