1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 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/hwlock/qcom 4 $id: http://devicetree.org/schemas/hwlock/qcom-hwspinlock.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Qualcomm Hardware Mutex Block 7 title: Qualcomm Hardware Mutex Block
8 8
9 maintainers: 9 maintainers:
10 - Bjorn Andersson <bjorn.andersson@linaro.org 10 - Bjorn Andersson <bjorn.andersson@linaro.org>
11 11
12 description: 12 description:
13 The hardware block provides mutexes utilized 13 The hardware block provides mutexes utilized between different processors on
14 the SoC as part of the communication protoco 14 the SoC as part of the communication protocol used by these processors.
15 15
16 properties: 16 properties:
17 compatible: 17 compatible:
18 oneOf: 18 oneOf:
19 - enum: 19 - enum:
20 - qcom,sfpb-mutex 20 - qcom,sfpb-mutex
21 - qcom,tcsr-mutex 21 - qcom,tcsr-mutex
22 - items: 22 - items:
23 - enum: 23 - enum:
24 - qcom,apq8084-tcsr-mutex 24 - qcom,apq8084-tcsr-mutex
25 - qcom,ipq6018-tcsr-mutex 25 - qcom,ipq6018-tcsr-mutex
26 - qcom,msm8226-tcsr-mutex 26 - qcom,msm8226-tcsr-mutex
27 - qcom,msm8994-tcsr-mutex 27 - qcom,msm8994-tcsr-mutex
28 - const: qcom,tcsr-mutex 28 - const: qcom,tcsr-mutex
29 - items: 29 - items:
30 - enum: 30 - enum:
31 - qcom,msm8974-tcsr-mutex 31 - qcom,msm8974-tcsr-mutex
32 - const: qcom,tcsr-mutex 32 - const: qcom,tcsr-mutex
33 - const: syscon 33 - const: syscon
34 34
35 reg: 35 reg:
36 maxItems: 1 36 maxItems: 1
37 37
38 '#hwlock-cells': 38 '#hwlock-cells':
39 const: 1 39 const: 1
40 40
41 required: 41 required:
42 - compatible 42 - compatible
43 - reg 43 - reg
44 - '#hwlock-cells' 44 - '#hwlock-cells'
45 45
46 additionalProperties: false 46 additionalProperties: false
47 47
48 examples: 48 examples:
49 - | 49 - |
50 hwlock@1f40000 { 50 hwlock@1f40000 {
51 compatible = "qcom,tcsr-mutex"; 51 compatible = "qcom,tcsr-mutex";
52 reg = <0x01f40000 0x40000>; 52 reg = <0x01f40000 0x40000>;
53 #hwlock-cells = <1>; 53 #hwlock-cells = <1>;
54 }; 54 };
55 ... 55 ...
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