dt-bindings: rng: bcm2835: document reset support

brcm,bcm6368-rng controllers require resetting the IPSEC clock in order to get a functional RNG. Signed-off-by: Álvaro Fernández Rojas <[email protected]> Reviewed-by: Rob Herring <[email protected]> Acked-by: Florian Fainelli <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
vieko · Mar 12, 2021 · 3813458 · 3813458
1 parent 0618e07
commit 3813458
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
@@ -28,6 +28,12 @@ properties:
   clock-names:
     const: ipsec
 
+  resets:
+    maxItems: 1
+
+  reset-names:
+    const: ipsec
+
   interrupts:
     maxItems: 1
 
@@ -44,6 +50,8 @@ then:
   required:
     - clocks
     - clock-names
+    - resets
+    - reset-names
 
 additionalProperties: false
 
@@ -68,4 +76,7 @@ examples:
 
         clocks = <&periph_clk 18>;
         clock-names = "ipsec";
+
+        resets = <&periph_rst 4>;
+        reset-names = "ipsec";
     };