Add DT binding for the TI Flash Subsystem Application Subsystem
(FSS_FSAS_GENREGS) wrapper present in TI K3 SoCs. This block controls
XIP read prefetch for the OSPI controller.

Signed-off-by: Santhosh Kumar K <s-k6@ti.com>
---
 .../memory-controllers/ti,am62a-fsas.yaml     | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/memory-controllers/ti,am62a-fsas.yaml

diff --git a/Documentation/devicetree/bindings/memory-controllers/ti,am62a-fsas.yaml b/Documentation/devicetree/bindings/memory-controllers/ti,am62a-fsas.yaml
new file mode 100644
index 000000000000..5a5cac92082b
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/ti,am62a-fsas.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2025 Texas Instruments Incorporated
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/ti,am62a-fsas.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments K3 Flash SubSystem Application Subsystem (FSS_FSAS)
+
+maintainers:
+  - Santhosh Kumar K <s-k6@ti.com>
+
+description:
+  The FSS_FSAS_GENREGS block is a TI wrapper inside the Flash SubSystem (FSS).
+
+properties:
+  compatible:
+    const: ti,am62a-fsas
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    bus {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        fsas@fc10000 {
+            compatible = "ti,am62a-fsas";
+            reg = <0x00 0x0fc10000 0x00 0x100>;
+        };
+    };
-- 
2.34.1