Add documention of ti,impedance-control which can be used to
correct MAC impedance mismatch using phy extended registers.
Signed-off-by: Mugunthan V N <mugunthan...@ti.com>
---
Documentation/devicetree/bindings/net/ti,dp83867.txt | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt
b/Documentation/devicetree/bindings/net/ti,dp83867.txt
index 5d21141..531ea3c5 100644
--- a/Documentation/devicetree/bindings/net/ti,dp83867.txt
+++ b/Documentation/devicetree/bindings/net/ti,dp83867.txt
@@ -9,6 +9,13 @@ Required properties:
- ti,fifo-depth - Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h
for applicable values
+Optional property:
+ - ti,impedance-control - MAC Interface Impedance control to vary the
+ output impedance with an approximate range
+ from 35-70 ohms in 32 steps. Value range can
+ be 0x0 to 0x1f. Lowest impedance value is
+ 0x1f and highest impedance being 0x0.
+
Default child nodes are standard Ethernet PHY device
nodes as described in Documentation/devicetree/bindings/net/phy.txt
--
2.9.2.368.g08bb350
