[PATCH net 2/2] bindings: net: macb: add no-usrio optional property

[Neil Armstrong]

Add the no-usrio optional property to disable usage of the USRIO
register on platforms not implementing it.
---
 Documentation/devicetree/bindings/net/macb.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt
index b5d7976..a15ee54 100644
--- a/Documentation/devicetree/bindings/net/macb.txt
+++ b/Documentation/devicetree/bindings/net/macb.txt
@@ -19,6 +19,9 @@ Required properties:
 	Optional elements: 'tx_clk'
 - clocks: Phandles to input clocks.
 
+Optional properties:
+- no-usrio: Indicates the platform integration does not implement the USRIO register.
+
 Examples:
 
 	macb0: ethernet@fffc4000 {
-- 
1.9.1

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