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-rw-r--r--Documentation/devicetree/bindings/nvmem/st,stm32-romem.yaml3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/nvmem/st,stm32-romem.yaml b/Documentation/devicetree/bindings/nvmem/st,stm32-romem.yaml
index a48c8fa56bce..448a2678dc62 100644
--- a/Documentation/devicetree/bindings/nvmem/st,stm32-romem.yaml
+++ b/Documentation/devicetree/bindings/nvmem/st,stm32-romem.yaml
@@ -24,6 +24,9 @@ properties:
- st,stm32f4-otp
- st,stm32mp15-bsec
+ reg:
+ maxItems: 1
+
patternProperties:
"^.*@[0-9a-f]+$":
type: object