1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/soc/qcom/qc 4 $id: http://devicetree.org/schemas/soc/qcom/qcom,smd.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Qualcomm Shared Memory Driver 7 title: Qualcomm Shared Memory Driver
8 8
9 maintainers: 9 maintainers:
10 - Andy Gross <agross@kernel.org> 10 - Andy Gross <agross@kernel.org>
11 - Bjorn Andersson <bjorn.andersson@linaro.org 11 - Bjorn Andersson <bjorn.andersson@linaro.org>
12 - Krzysztof Kozlowski <krzysztof.kozlowski@li 12 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
13 13
14 description: 14 description:
15 The Qualcomm Shared Memory Driver is a FIFO 15 The Qualcomm Shared Memory Driver is a FIFO based communication channel for
16 sending data between the various subsystems 16 sending data between the various subsystems in Qualcomm platforms.
17 17
18 Using the top-level SMD node is deprecated. 18 Using the top-level SMD node is deprecated. Instead, the SMD edges are defined
19 directly below the device node representing 19 directly below the device node representing the respective remote subsystem
20 or remote processor. 20 or remote processor.
21 21
22 deprecated: true 22 deprecated: true
23 23
24 properties: 24 properties:
25 compatible: 25 compatible:
26 const: qcom,smd 26 const: qcom,smd
27 27
28 patternProperties: 28 patternProperties:
29 "^smd-edge|rpm$": 29 "^smd-edge|rpm$":
30 $ref: /schemas/remoteproc/qcom,smd-edge.ya 30 $ref: /schemas/remoteproc/qcom,smd-edge.yaml#
31 unevaluatedProperties: false 31 unevaluatedProperties: false
32 description: 32 description:
33 Each subnode of the SMD node represents 33 Each subnode of the SMD node represents a remote subsystem or a remote
34 processor of some sort - or in SMD langu 34 processor of some sort - or in SMD language an "edge". The name of the
35 edges are not important. 35 edges are not important.
36 36
37 required: 37 required:
38 - compatible 38 - compatible
39 39
40 additionalProperties: false 40 additionalProperties: false
41 41
42 examples: 42 examples:
43 # The following example represents a smd nod 43 # The following example represents a smd node, with one edge representing the
44 # "rpm" subsystem. For the "rpm" subsystem w 44 # "rpm" subsystem. For the "rpm" subsystem we have a device tied to the
45 # "rpm_request" channel. 45 # "rpm_request" channel.
46 # NOTE: This is deprecated, represent the RP 46 # NOTE: This is deprecated, represent the RPM using "qcom,rpm-proc" instead.
47 - | 47 - |
48 #include <dt-bindings/interrupt-controller 48 #include <dt-bindings/interrupt-controller/arm-gic.h>
49 49
50 shared-memory { 50 shared-memory {
51 compatible = "qcom,smd"; 51 compatible = "qcom,smd";
52 52
53 rpm { 53 rpm {
54 interrupts = <GIC_SPI 168 IRQ_TYPE 54 interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
55 qcom,ipc = <&apcs 8 0>; 55 qcom,ipc = <&apcs 8 0>;
56 qcom,smd-edge = <15>; 56 qcom,smd-edge = <15>;
57 57
58 rpm-requests { 58 rpm-requests {
59 compatible = "qcom,rpm-msm8974 59 compatible = "qcom,rpm-msm8974", "qcom,smd-rpm";
60 qcom,smd-channels = "rpm_reque 60 qcom,smd-channels = "rpm_requests";
61 61
62 clock-controller { 62 clock-controller {
63 compatible = "qcom,rpmcc-m 63 compatible = "qcom,rpmcc-msm8974", "qcom,rpmcc";
64 #clock-cells = <1>; 64 #clock-cells = <1>;
65 }; 65 };
66 66
67 }; 67 };
68 }; 68 };
69 }; 69 };
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