1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: "http://devicetree.org/schemas/reserved-memory/qcom,rmtfs-mem.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
6
7 title: Qualcomm Remote File System Memory
8
9 description: |
10 This binding describes the Qualcomm remote filesystem memory, which serves the
11 purpose of describing the shared memory region used for remote processors to
12 access block device data using the Remote Filesystem protocol.
13
14 maintainers:
15 - Bjorn Andersson <bjorn.andersson@linaro.org>
16
17 allOf:
18 - $ref: "reserved-memory.yaml"
19
20 properties:
21 compatible:
22 const: qcom,rmtfs-mem
23
24 qcom,client-id:
25 $ref: /schemas/types.yaml#/definitions/uint32
26 description: >
27 identifier of the client to use this region for buffers
28
29 qcom,vmid:
30 $ref: /schemas/types.yaml#/definitions/uint32
31 description: >
32 vmid of the remote processor, to set up memory protection
33
34 required:
35 - qcom,client-id
36
37 unevaluatedProperties: false
38
39 examples:
40 - |
41 reserved-memory {
42 #address-cells = <1>;
43 #size-cells = <1>;
44 ranges;
45
46 rmtfs@86700000 {
47 compatible = "qcom,rmtfs-mem";
48 reg = <0x86700000 0xe0000>;
49 no-map;
50
51 qcom,client-id = <1>;
52 };
53 };
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