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Linux kernel mirror (for testing)
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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 };