1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/interconnec 4 $id: http://devicetree.org/schemas/interconnect/qcom,sdx75-rpmh.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Qualcomm RPMh Network-On-Chip Interconn 7 title: Qualcomm RPMh Network-On-Chip Interconnect on SDX75
8 8
9 maintainers: 9 maintainers:
10 - Rohit Agarwal <quic_rohiagar@quicinc.com> 10 - Rohit Agarwal <quic_rohiagar@quicinc.com>
11 11
12 description: 12 description:
13 RPMh interconnect providers support system b 13 RPMh interconnect providers support system bandwidth requirements through
14 RPMh hardware accelerators known as Bus Cloc 14 RPMh hardware accelerators known as Bus Clock Manager (BCM). The provider is
15 able to communicate with the BCM through the 15 able to communicate with the BCM through the Resource State Coordinator (RSC)
16 associated with each execution environment. 16 associated with each execution environment. Provider nodes must point to at
17 least one RPMh device child node pertaining 17 least one RPMh device child node pertaining to their RSC and each provider
18 can map to multiple RPMh resources. 18 can map to multiple RPMh resources.
19 19
20 properties: 20 properties:
21 compatible: 21 compatible:
22 enum: 22 enum:
23 - qcom,sdx75-clk-virt 23 - qcom,sdx75-clk-virt
24 - qcom,sdx75-dc-noc 24 - qcom,sdx75-dc-noc
25 - qcom,sdx75-gem-noc 25 - qcom,sdx75-gem-noc
26 - qcom,sdx75-mc-virt 26 - qcom,sdx75-mc-virt
27 - qcom,sdx75-pcie-anoc 27 - qcom,sdx75-pcie-anoc
28 - qcom,sdx75-system-noc 28 - qcom,sdx75-system-noc
29 29
30 '#interconnect-cells': true 30 '#interconnect-cells': true
31 31
32 reg: 32 reg:
33 maxItems: 1 33 maxItems: 1
34 34
35 clocks: 35 clocks:
36 maxItems: 1 36 maxItems: 1
37 37
38 required: 38 required:
39 - compatible 39 - compatible
40 40
41 allOf: 41 allOf:
42 - $ref: qcom,rpmh-common.yaml# 42 - $ref: qcom,rpmh-common.yaml#
43 - if: 43 - if:
44 properties: 44 properties:
45 compatible: 45 compatible:
46 contains: 46 contains:
47 enum: 47 enum:
48 - qcom,sdx75-clk-virt 48 - qcom,sdx75-clk-virt
49 - qcom,sdx75-mc-virt 49 - qcom,sdx75-mc-virt
50 then: 50 then:
51 properties: 51 properties:
52 reg: false 52 reg: false
53 else: 53 else:
54 required: 54 required:
55 - reg 55 - reg
56 56
57 - if: 57 - if:
58 properties: 58 properties:
59 compatible: 59 compatible:
60 contains: 60 contains:
61 enum: 61 enum:
62 - qcom,sdx75-clk-virt 62 - qcom,sdx75-clk-virt
63 then: 63 then:
64 properties: 64 properties:
65 clocks: 65 clocks:
66 items: 66 items:
67 - description: RPMH CC QPIC Clock 67 - description: RPMH CC QPIC Clock
68 required: 68 required:
69 - clocks 69 - clocks
70 else: 70 else:
71 properties: 71 properties:
72 clocks: false 72 clocks: false
73 73
74 unevaluatedProperties: false 74 unevaluatedProperties: false
75 75
76 examples: 76 examples:
77 - | 77 - |
78 #include <dt-bindings/clock/qcom,rpmh.h> 78 #include <dt-bindings/clock/qcom,rpmh.h>
79 79
80 clk_virt: interconnect-0 { 80 clk_virt: interconnect-0 {
81 compatible = "qcom,sdx75-clk-virt" 81 compatible = "qcom,sdx75-clk-virt";
82 #interconnect-cells = <2>; 82 #interconnect-cells = <2>;
83 qcom,bcm-voters = <&apps_bcm_voter 83 qcom,bcm-voters = <&apps_bcm_voter>;
84 clocks = <&rpmhcc RPMH_QPIC_CLK>; 84 clocks = <&rpmhcc RPMH_QPIC_CLK>;
85 }; 85 };
86 86
87 system_noc: interconnect@1640000 { 87 system_noc: interconnect@1640000 {
88 compatible = "qcom,sdx75-system-no 88 compatible = "qcom,sdx75-system-noc";
89 reg = <0x1640000 0x4b400>; 89 reg = <0x1640000 0x4b400>;
90 #interconnect-cells = <2>; 90 #interconnect-cells = <2>;
91 qcom,bcm-voters = <&apps_bcm_voter 91 qcom,bcm-voters = <&apps_bcm_voter>;
92 }; 92 };
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