xref: /linux/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml (revision 13845bdc869f136f92ad3d40ea09b867bb4ce467) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/interconnect/qcom,osm-l3.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm Operating State Manager (OSM) L3 Interconnect Provider
8
9maintainers:
10  - Sibi Sankar <quic_sibis@quicinc.com>
11
12description:
13  L3 cache bandwidth requirements on Qualcomm SoCs is serviced by the OSM.
14  The OSM L3 interconnect provider aggregates the L3 bandwidth requests
15  from CPU/GPU and relays it to the OSM.
16
17properties:
18  compatible:
19    oneOf:
20      - items:
21          - enum:
22              - qcom,sc7180-osm-l3
23              - qcom,sc8180x-osm-l3
24              - qcom,sdm670-osm-l3
25              - qcom,sdm845-osm-l3
26              - qcom,sm6350-osm-l3
27              - qcom,sm8150-osm-l3
28          - const: qcom,osm-l3
29      - items:
30          - enum:
31              - qcom,sc7280-epss-l3
32              - qcom,sc8280xp-epss-l3
33              - qcom,sm6375-cpucp-l3
34              - qcom,sm8250-epss-l3
35              - qcom,sm8350-epss-l3
36              - qcom,sm8650-epss-l3
37          - const: qcom,epss-l3
38
39  reg:
40    maxItems: 1
41
42  clocks:
43    items:
44      - description: xo clock
45      - description: alternate clock
46
47  clock-names:
48    items:
49      - const: xo
50      - const: alternate
51
52  '#interconnect-cells':
53    const: 1
54
55required:
56  - compatible
57  - reg
58  - clocks
59  - clock-names
60  - '#interconnect-cells'
61
62additionalProperties: false
63
64examples:
65  - |
66
67    #define GPLL0               165
68    #define RPMH_CXO_CLK        0
69
70    osm_l3: interconnect@17d41000 {
71      compatible = "qcom,sdm845-osm-l3", "qcom,osm-l3";
72      reg = <0x17d41000 0x1400>;
73
74      clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>;
75      clock-names = "xo", "alternate";
76
77      #interconnect-cells = <1>;
78    };
79