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

From: Harini Katakam
Date: Tue Jun 29 2021 - 05:41:09 EST


Add optional properties to tune RGMII RX and TX delay.

Signed-off-by: Harini Katakam <harini.katakam@xxxxxxxxxx>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
---
.../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