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diff --git a/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
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+++ b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml
@@ -0,0 +1,55 @@
+# 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>;
+    };
+...