From: Chen-Yu Tsai On the Orangepi 4A board, the second Ethernet controller, aka the GMAC200, is connected to an external Motorcomm YT8531 PHY. The PHY uses an external 25MHz crystal, has the SoC's PI15 pin connected to its reset pin, and the PI16 pin for its interrupt pin. Enable it. Signed-off-by: Chen-Yu Tsai --- .../dts/allwinner/sun55i-t527-orangepi-4a.dts | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts index 5f97505ec8f9..83bc359029ba 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts +++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts @@ -15,6 +15,7 @@ / { compatible = "xunlong,orangepi-4a", "allwinner,sun55i-t527"; aliases { + ethernet0 = &gmac1; serial0 = &uart0; }; @@ -95,6 +96,28 @@ &ehci1 { status = "okay"; }; +&gmac1 { + phy-mode = "rgmii-id"; + phy-handle = <&ext_rgmii_phy>; + phy-supply = <®_cldo4>; + + allwinner,tx-delay-ps = <0>; + allwinner,rx-delay-ps = <300>; + + status = "okay"; +}; + +&mdio1 { + ext_rgmii_phy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + interrupts-extended = <&pio 8 16 IRQ_TYPE_LEVEL_LOW>; /* PI16 */ + reset-gpios = <&pio 8 15 GPIO_ACTIVE_LOW>; /* PI15 */ + reset-assert-us = <10000>; + reset-deassert-us = <150000>; + }; +}; + &mmc0 { vmmc-supply = <®_cldo3>; cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */ -- 2.39.5