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arm64: dts: meson-g12a-x96-max: Add Gigabit Ethernet Support 

Enable the network interface of the X96 Mac using an external
Realtek RTL8211F gigabit PHY, needing the same broken-eee properties
as the previous Amlogic SoC generations.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Neil Armstrong 2019-05-27 15:00:43 +02:00 committed by Kevin Hilman
parent 1b2f377b51
commit e8e7037cb6
1 changed files with 22 additions and 0 deletions
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22
arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
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@ -15,6 +15,7 @@
aliases {
serial0 = &uart_AO;
ethernet0 = &ethmac;
};
chosen {
stdout-path = "serial0:115200n8";
@ -150,6 +151,27 @@
pinctrl-names = "default";
};
&ext_mdio {
external_phy: ethernet-phy@0 {
/* Realtek RTL8211F (0x001cc916) */
reg = <0>;
max-speed = <1000>;
eee-broken-1000t;
};
};
&ethmac {
pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
pinctrl-names = "default";
status = "okay";
phy-mode = "rgmii";
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;
};
&uart_A {
status = "okay";
pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;