dt-bindings: add dt-binding for qcom dynamic memory dump

Add dt-binding for qcom dynamic memory dump driver.

Change-Id: I041b1d6c471f18b047dea85977de901e625542c1
Signed-off-by: Yuanfang Zhang <quic_yuanfang@quicinc.com>

bindings/soc/qcom/qcom,dynamic-memory-dump.yaml

@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/soc/qcom/qcom,dynamic-memory-dump.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qcom Dynamic Memory Dump.
+
+maintainers:
+  - Yuanfang Zhang <quic_yuanfang@quicinc.com>
+
+description:
+  QTI dynamic memory dump driver support for dynamic allocate memory for dump entry, it allows
+  enabling dump entry via sysfs node. The memory reserved for dump entry can be reclaimed if
+  this dump entry is not enabled.
+
+properties:
+  compatible:
+    items:
+      - const: qcom,dynamic-mem-dump
+
+  memory-region:
+    description:
+      List of phandles to the reserved memory regions associated with this
+      device.
+
+required:
+  - compatible
+  - memory-region
+
+additionalProperties: false
+
+examples:
+  - |
+    dynamic_mem_dump {
+        compatible = "qcom,dynamic-mem-dump";
+        memory-region = <&dynamic_mem_dump>;
+    };
+