On Monday 10 October 2016 06:48 PM, Rob Herring wrote:

On Thu, Oct 06, 2016 at 10:43:52AM +0530, Mugunthan V N wrote:

quoted

Add documention of ti,impedance-control which can be used to

Needs updating.

Oops, will update this in next version.

quoted

correct MAC impedance mismatch using phy extended registers.

Signed-off-by: Mugunthan V N <redacted>
---
 Documentation/devicetree/bindings/net/ti,dp83867.txt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt b/Documentation/devicetree/bindings/net/ti,dp83867.txt
index 5d21141..85bf945 100644
--- a/Documentation/devicetree/bindings/net/ti,dp83867.txt
+++ b/Documentation/devicetree/bindings/net/ti,dp83867.txt

@@ -9,6 +9,18 @@ Required properties:
 	- ti,fifo-depth - Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h
 		for applicable values
 
+Optional property:
+	- ti,min-output-impedance - MAC Interface Impedance control to set
+				    the programmable output impedance to
+				    minimum value (35 ohms).
+	- ti,max-output-impedance - MAC Interface Impedance control to set
+				    the programmable output impedance to
+				    maximum value (70 ohms).

Define what are valid range of values for these.

The values are already mentioned in documentation as 35/70 ohms.
Are you mentioning about the register values?

Regards
Mugunthan V N