[PATCH 1/2] dt-bindings: reserved-memory: document Qualcomm MPSS DSM memory

[Neil Armstrong]

This documents the Qualcomm Modem Processing SubSystem DSM shared memory.

Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
---
 .../reserved-memory/qcom,mpss-dsm-mem.yaml         | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/Documentation/devicetree/bindings/reserved-memory/qcom,mpss-dsm-mem.yaml b/Documentation/devicetree/bindings/reserved-memory/qcom,mpss-dsm-mem.yaml
new file mode 100644
index 000000000000..65f37e1356d4
--- /dev/null
+++ b/Documentation/devicetree/bindings/reserved-memory/qcom,mpss-dsm-mem.yaml
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/reserved-memory/qcom,mpss-dsm-mem.yaml#";
+$schema: "http://devicetree.org/meta-schemas/core.yaml#";
+
+title: Qualcomm Modem Processing SubSystem DSM Memory
+
+description: |
+  This binding describes the Qualcomm Modem Processing SubSystem DSM, which serves the
+  purpose of describing the shared memory region used for MPSS remote processors.
+
+maintainers:
+  - Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
+
+allOf:
+  - $ref: "reserved-memory.yaml"
+
+properties:
+  compatible:
+    const: qcom,mpss-dsm-mem
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    reserved-memory {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges;
+
+        mpss-dsm@86700000 {
+            compatible = "qcom,mpss-dsm-mem";
+            reg = <0x86700000 0xe0000>;
+            no-map;
+        };
+    };

-- 
b4 0.10.1