dt-bindings: rng: Document BCM7278 RNG200 compatible

BCM7278 includes a RGN200 hardware random number generator, document the
compatible string for that version of the IP.

Signed-off-by: Florian Fainelli <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

diff --git a/Documentation/devicetree/bindings/rng/brcm,iproc-rng200.txt b/Documentation/devicetree/bindings/rng/brcm,iproc-rng200.txt
index e25a456664b919c5317df407181df43bd61dd1ea..0014da9145af73f64218dd5f335863421474ca22 100644 (file)
--- a/Documentation/devicetree/bindings/rng/brcm,iproc-rng200.txt
+++ b/Documentation/devicetree/bindings/rng/brcm,iproc-rng200.txt
@@ -1,7 +1,9 @@
 HWRNG support for the iproc-rng200 driver
 
 Required properties:
-- compatible : "brcm,iproc-rng200"
+- compatible : Must be one of:
+              "brcm,bcm7278-rng200"
+              "brcm,iproc-rng200"
 - reg : base address and size of control register block
 
 Example: