diff --git a/Documentation/devicetree/bindings/crypto/rockchip-crypto.txt b/Documentation/devicetree/bindings/crypto/rockchip-crypto.txt
index 096df34b11c1..f18b8719e077 100644
--- a/Documentation/devicetree/bindings/crypto/rockchip-crypto.txt
+++ b/Documentation/devicetree/bindings/crypto/rockchip-crypto.txt
@@ -1,7 +1,9 @@
 Rockchip Electronics And Security Accelerator
 
 Required properties:
-- compatible: Should be "rockchip,rk3288-crypto"
+- compatible: should be one of the following:
+	- "rockchip,rk3288-crypto": for rk3288
+	- "rockchip,px30-crypto": for px30
 - reg: Base physical address of the engine and length of memory mapped
        region
 - interrupts: Interrupt number