dt-bindings: mailbox: apple,mailbox: Add power-domains property

This will bind to the PMGR pwrstate nodes that control power/clock gating to SoC blocks. The mailbox driver doesn't do runtime-pm yet, so initially this will just keep the domain on permanently. Reviewed-by: Sven Peter <[email protected]> Acked-by: Rob Herring <[email protected]> Signed-off-by: Hector Martin <[email protected]>
LoveHeat · Dec 15, 2021 · 301f651 · 301f651
1 parent 8adf987
commit 301f651
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml b/Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml
@@ -56,6 +56,9 @@ properties:
   "#mbox-cells":
     const: 0
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg