dt-bindings: rng: add reset node for stm32

Adding optional resets property for rng.

Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.txt b/Documentation/devicetree/bindings/rng/st,stm32-rng.txt
index 47f0417..cb7ca78 100644 (file)
--- a/Documentation/devicetree/bindings/rng/st,stm32-rng.txt
+++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.txt
@@ -11,6 +11,9 @@ Required properties:
 - interrupts : The designated IRQ line for the RNG
 - clocks : The clock needed to enable the RNG
 
+Optional properties:
+- resets : The reset to properly start RNG
+
 Example:
 
        rng: rng@50060800 {