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-rw-r--r--Documentation/devicetree/bindings/rng/st,stm32-rng.yaml20
1 files changed, 19 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
index 187b172d0cca..717f6b321f88 100644
--- a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
+++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
@@ -15,7 +15,9 @@ maintainers:
properties:
compatible:
- const: st,stm32-rng
+ enum:
+ - st,stm32-rng
+ - st,stm32mp13-rng
reg:
maxItems: 1
@@ -30,11 +32,27 @@ properties:
type: boolean
description: If set enable the clock detection management
+ st,rng-lock-conf:
+ type: boolean
+ description: If set, the RNG configuration in RNG_CR, RNG_HTCR and
+ RNG_NSCR will be locked.
+
required:
- compatible
- reg
- clocks
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - st,stm32-rng
+ then:
+ properties:
+ st,rng-lock-conf: false
+
additionalProperties: false
examples: