Documentation: DT: cpsw: document missing compatible
CPSW driver has multiple compatibles for errata implementations but not
documented, add necessary documentation.
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt
index 33fe846..a9df21a 100644
--- a/Documentation/devicetree/bindings/net/cpsw.txt
+++ b/Documentation/devicetree/bindings/net/cpsw.txt
@@ -2,7 +2,11 @@
------------------------------------------------------
Required properties:
-- compatible : Should be "ti,cpsw"
+- compatible : Should be one of the below:-
+ "ti,cpsw" for backward compatible
+ "ti,am335x-cpsw" for AM335x controllers
+ "ti,am4372-cpsw" for AM437x controllers
+ "ti,dra7-cpsw" for DRA7x controllers
- reg : physical base address and size of the cpsw
registers map
- interrupts : property with a value describing the interrupt