ARM64: dts: amlogic: add the ethernet TX delay configuration

This adds the amlogic,tx-delay-ns property with the old (hardcoded)
default value of 2ns to all boards which are using an RGMII ethernet
PHY.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts

@@ -158,6 +158,8 @@ &ethmac {
 	snps,reset-delays-us = <0 10000 1000000>;
 	snps,reset-active-low;
 
+	amlogic,tx-delay-ns = <2>;
+
 	mdio {
 		compatible = "snps,dwmac-mdio";
 		#address-cells = <1>;

arch/arm64/boot/dts/amlogic/meson-gxbb-p200.dts

@@ -103,6 +103,8 @@ &ethmac {
 	phy-handle = <&eth_phy0>;
 	phy-mode = "rgmii";
 
+	amlogic,tx-delay-ns = <2>;
+
 	snps,reset-gpio = <&gpio GPIOZ_14 0>;
 	snps,reset-delays-us = <0 10000 1000000>;
 	snps,reset-active-low;

arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi

@@ -131,6 +131,8 @@ &ethmac {
 	phy-handle = <&eth_phy0>;
 	phy-mode = "rgmii";
 
+	amlogic,tx-delay-ns = <2>;
+
 	snps,reset-gpio = <&gpio GPIOZ_14 0>;
 	snps,reset-delays-us = <0 10000 1000000>;
 	snps,reset-active-low;

arch/arm64/boot/dts/amlogic/meson-gxbb-wetek-hub.dts

@@ -73,6 +73,8 @@ &ethmac {
 	phy-handle = <&eth_phy0>;
 	phy-mode = "rgmii";
 
+	amlogic,tx-delay-ns = <2>;
+
 	snps,reset-gpio = <&gpio GPIOZ_14 0>;
 	snps,reset-delays-us = <0 10000 1000000>;
 	snps,reset-active-low;

arch/arm64/boot/dts/amlogic/meson-gxbb-wetek-play2.dts

@@ -95,6 +95,8 @@ &ethmac {
 	phy-handle = <&eth_phy0>;
 	phy-mode = "rgmii";
 
+	amlogic,tx-delay-ns = <2>;
+
 	snps,reset-gpio = <&gpio GPIOZ_14 0>;
 	snps,reset-delays-us = <0 10000 1000000>;
 	snps,reset-active-low;

arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts

@@ -59,6 +59,8 @@ &ethmac {
 	/* Select external PHY by default */
 	phy-handle = <&external_phy>;
 
+	amlogic,tx-delay-ns = <2>;
+
 	/* External PHY reset is shared with internal PHY Led signals */
 	snps,reset-gpio = <&gpio GPIOZ_14 0>;
 	snps,reset-delays-us = <0 10000 1000000>;

arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts

@@ -162,6 +162,8 @@ &ethmac {
 	/* Select external PHY by default */
 	phy-handle = <&external_phy>;
 
+	amlogic,tx-delay-ns = <2>;
+
 	snps,reset-gpio = <&gpio GPIOZ_14 0>;
 	snps,reset-delays-us = <0 10000 1000000>;
 	snps,reset-active-low;

arch/arm64/boot/dts/amlogic/meson-gxm-q200.dts

@@ -59,6 +59,8 @@ &ethmac {
 	/* Select external PHY by default */
 	phy-handle = <&external_phy>;
 
+	amlogic,tx-delay-ns = <2>;
+
 	/* External PHY reset is shared with internal PHY Led signals */
 	snps,reset-gpio = <&gpio GPIOZ_14 0>;
 	snps,reset-delays-us = <0 10000 1000000>;