xref: /linux/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml (revision 9025cebf12d1763de36d5e09e2b0a1e4f9b13b28) 
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
7title: Qualcomm Remote File System Memory
8
9description: |
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
14maintainers:
15  - Bjorn Andersson <bjorn.andersson@linaro.org>
16
17allOf:
18  - $ref: "reserved-memory.yaml"
19
20properties:
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
34required:
35  - qcom,client-id
36
37unevaluatedProperties: false
38
39examples:
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    };
54