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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/hwlock/qcom-hwspinlock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Hardware Mutex Block
maintainers:
- Bjorn Andersson <bjorn.andersson@linaro.org>
description:
The hardware block provides mutexes utilized between different processors on
the SoC as part of the communication protocol used by these processors.
properties:
compatible:
oneOf:
- enum:
- qcom,sfpb-mutex
- qcom,tcsr-mutex
- items:
- enum:
- qcom,apq8084-tcsr-mutex
- qcom,ipq6018-tcsr-mutex
- qcom,msm8226-tcsr-mutex
- qcom,msm8994-tcsr-mutex
- const: qcom,tcsr-mutex
- items:
- enum:
- qcom,msm8974-tcsr-mutex
- const: qcom,tcsr-mutex
- const: syscon
reg:
maxItems: 1
'#hwlock-cells':
const: 1
required:
- compatible
- reg
- '#hwlock-cells'
additionalProperties: false
examples:
- |
hwlock@1f40000 {
compatible = "qcom,tcsr-mutex";
reg = <0x01f40000 0x40000>;
#hwlock-cells = <1>;
};
...
|
