[PATCH v2 8/8] dt-bindings: firmware: optee: Add memory-region property

Vincent Donnefort vdonnefort at google.com
Mon Sep 21 04:00:50 PDT 2026


Allow reserved-memory via memory-region to support the arm,ffa-lend-pool.

Signed-off-by: Vincent Donnefort <vdonnefort at google.com>
---
 .../devicetree/bindings/arm/firmware/linaro,optee-tz.yaml    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
index 26ebcf4565f3..7fddea9cfdbc 100644
--- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
+++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
@@ -41,6 +41,11 @@ properties:
       HVC #0, register assignments
       register assignments are specified in drivers/tee/optee/optee_smc.h
 
+  memory-region:
+    maxItems: 1
+    description: |
+      Phandle to a reserved-memory node for the OP-TEE lend pool.
+
 required:
   - compatible
   - method
-- 
2.55.0.1082.g2b9226bbc0-goog




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