0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/hwlock/qcom-hwspinlock.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Qualcomm Hardware Mutex Block
0008
0009 maintainers:
0010 - Bjorn Andersson <bjorn.andersson@linaro.org>
0011
0012 description:
0013 The hardware block provides mutexes utilized between different processors on
0014 the SoC as part of the communication protocol used by these processors.
0015
0016 properties:
0017 compatible:
0018 enum:
0019 - qcom,sfpb-mutex
0020 - qcom,tcsr-mutex
0021
0022 reg:
0023 maxItems: 1
0024
0025 '#hwlock-cells':
0026 const: 1
0027
0028 required:
0029 - compatible
0030 - reg
0031 - '#hwlock-cells'
0032
0033 additionalProperties: false
0034
0035 examples:
0036 - |
0037 tcsr_mutex: hwlock@1f40000 {
0038 compatible = "qcom,tcsr-mutex";
0039 reg = <0x01f40000 0x40000>;
0040 #hwlock-cells = <1>;
0041 };
0042 ...
