[RFC PATCH net-next 2/7] dt-bindings: net: airoha: add EN7581 SOE

[Jihong Min <hurryman2212@gmail.com>]

Document the EN7581 Secure Offload Engine register window used by the Ethernet driver for ESP packet offload, and add the new binding to the Airoha Ethernet MAINTAINERS entry.

Signed-off-by: Jihong Min <hurryman2212@gmail.com>
---
 .../bindings/net/airoha,en7581-soe.yaml       | 48 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 49 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/airoha,en7581-soe.yaml

diff --git a/Documentation/devicetree/bindings/net/airoha,en7581-soe.yaml b/Documentation/devicetree/bindings/net/airoha,en7581-soe.yaml
new file mode 100644
index 000000000000..24aecafecc70
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/airoha,en7581-soe.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/airoha,en7581-soe.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha EN7581 Secure Offload Engine
+
+maintainers:
+  - Lorenzo Bianconi <lorenzo@kernel.org>
+
+description:
+  The Secure Offload Engine provides inline ESP packet offload resources used
+  by the Airoha Ethernet controller.
+
+properties:
+  compatible:
+    const: airoha,en7581-soe
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      soe@1fbfa000 {
+        compatible = "airoha,en7581-soe";
+        reg = <0 0x1fbfa000 0 0x268>;
+        interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
+      };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index cc1dde0c9067..7c338e670572 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -757,6 +757,7 @@ L:	linux-mediatek@lists.infradead.org (moderated for non-subscribers)
 L:	netdev@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/net/airoha,en7581-eth.yaml
+F:	Documentation/devicetree/bindings/net/airoha,en7581-soe.yaml
 F:	drivers/net/ethernet/airoha/
 
 AIROHA PCIE PHY DRIVER
-- 
2.53.0