[PATCH 2/3] dt-bindings: mscc: Add RGMII RX and TX delay tuning

[Harini Katakam]

Add optional properties to tune RGMII RX and TX delay.

Signed-off-by: Harini Katakam <harini.katakam at xilinx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---
 .../devicetree/bindings/net/mscc-phy-vsc8531.txt         | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
index 87a27d775d48..e201d24d8e27 100644
--- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
+++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
@@ -33,7 +33,14 @@ Optional properties:
 			  VSC8531_DUPLEX_COLLISION (8).
 - load-save-gpios	: GPIO used for the load/save operation of the PTP
 			  hardware clock (PHC).
-
+- vsc8531,rx-delay	: RGMII RX delay. Allowed values are defined in
+			  "include/dt-bindings/net/mscc-phy-vsc8531.h".
+			  Default value, set by the driver is
+			  VSC8531_RGMII_CLK_DELAY_2_0_NS.
+- vsc8531,tx-delay	: RGMII TX delay. Allowed values are defined in
+			  "include/dt-bindings/net/mscc-phy-vsc8531.h".
+			  Default value, set by the driver is
+			  VSC8531_RGMII_CLK_DELAY_2_0_NS.
 
 Table: 1 - Edge rate change
 ----------------------------------------------------------------|
-- 
2.17.1