linux-kernel - [RFC PATCH 4/7] dt-bindings: reserved-memory: Support osdump module

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Date: Thu, 21 Dec 2023 21:31:58 +0800
From: Ruipeng Qi <ruipengqi7@...il.com>
To: robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org
Cc: qiruipeng@...iang.com,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [RFC PATCH 4/7] dt-bindings: reserved-memory: Support osdump module

From: qiruipeng <qiruipeng@...iang.com>

Add bindings to allow osdump module to store dump in reserved-memory
region named "osdump".

Signed-off-by: qiruipeng <qiruipeng@...iang.com>
---
 .../bindings/reserved-memory/osdump.yaml      | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reserved-memory/osdump.yaml

diff --git a/Documentation/devicetree/bindings/reserved-memory/osdump.yaml b/Documentation/devicetree/bindings/reserved-memory/osdump.yaml
new file mode 100644
index 000000000000..149bf0204e68
--- /dev/null
+++ b/Documentation/devicetree/bindings/reserved-memory/osdump.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reserved-memory/osdump.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: OS minidump module
+
+description: |
+  Specifies that the reserved memory region can be used for OS minidump
+  module.
+
+  The "osdump" node is named after the "OS minidump" module which
+  provides an implementation of a new crash dumping solutionin in Linux.
+
+maintainers:
+  - Ruipeng Qi <ruipengqi7@...il.com>
+
+allOf:
+  - $ref: reserved-memory.yaml
+
+properties:
+  compatible:
+    const: osdump
+
+  reg:
+    description: region of memory that can be used for OS minidump module
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    reserved-memory {
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        osdump: osdump@...00000 {
+            compatible = "osdump";
+            reg = <0x64000000 0x01000000>;
+        };
+    };
-- 
2.17.1