From: Harini Katakam <harini.katakam@xxxxxxxxxx> Add optional properties to tune RGMII RX and TX delay. The current default value in the Linux driver, when the phy-mode is rgmii-id, is 2ns for both. These properties take priority if specified. Signed-off-by: Harini Katakam <harini.katakam@xxxxxxx> Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xxxxxxxxxx> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx> --- v2: - Updated DT binding description and commit for optional delay tuning to be clearer on the precedence - Updated dt property name to include vendor instead of phy device name Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt index 0a3647fe331b..2b779bc3096b 100644 --- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt +++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt @@ -33,6 +33,8 @@ Optional properties: VSC8531_DUPLEX_COLLISION (8). - load-save-gpios : GPIO used for the load/save operation of the PTP hardware clock (PHC). +- mscc,rx-delay : RGMII RX delay. Allowed values are 0.2 - 3.4 ns. +- mscc,tx-delay : RGMII TX delay. Allowed values are 0.2 - 3.4 ns. Table: 1 - Edge rate change -- 2.17.1