1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/hwlock/qcom-hwspinlock.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Qualcomm Hardware Mutex Block
8
9 maintainers:
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
11
12 description:
13 The hardware block provides mutexes utilized between different processors on
14 the SoC as part of the communication protocol used by these processors.
15
16 properties:
17 compatible:
18 enum:
19 - qcom,sfpb-mutex
20 - qcom,tcsr-mutex
21
22 reg:
23 maxItems: 1
24
25 '#hwlock-cells':
26 const: 1
27
28 required:
29 - compatible
30 - reg
31 - '#hwlock-cells'
32
33 additionalProperties: false
34
35 examples:
36 - |
37 tcsr_mutex: hwlock@1f40000 {
38 compatible = "qcom,tcsr-mutex";
39 reg = <0x01f40000 0x40000>;
40 #hwlock-cells = <1>;
41 };
42 ...
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