arm64: dts: allwinner: h616: update emac for Orange Pi Zero 3

The current emac setting is not suitable for Orange Pi Zero 3,
move it back to Orange Pi Zero 2 DT. Also update phy mode and
delay values for emac on Orange Pi Zero 3.
With these changes, Ethernet now looks stable.

Fixes: 322bf10 ("arm64: dts: allwinner: h616: Split Orange Pi Zero 2 DT")
Signed-off-by: Chukun Pan <[email protected]>
Reviewed-by: Jernej Skrabec <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jernej Skrabec <[email protected]>

Author: aiamadeus

arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi

@@ -68,10 +68,7 @@
 &emac0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&ext_rgmii_pins>;
-	phy-mode = "rgmii";
 	phy-handle = <&ext_rgmii_phy>;
-	allwinner,rx-delay-ps = <3100>;
-	allwinner,tx-delay-ps = <700>;
 	status = "okay";
 };
 

arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts

@@ -13,6 +13,9 @@
 };
 
 &emac0 {
+	allwinner,rx-delay-ps = <3100>;
+	allwinner,tx-delay-ps = <700>;
+	phy-mode = "rgmii";
 	phy-supply = <&reg_dcdce>;
 };
 

arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero3.dts

@@ -13,6 +13,8 @@
 };
 
 &emac0 {
+	allwinner,tx-delay-ps = <700>;
+	phy-mode = "rgmii-rxid";
 	phy-supply = <&reg_dldo1>;
 };