xref: /linux/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml (revision b92dd11725a7c57f55e148c7d3ce58a86f480575) 
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