Commit c6800f15 authored by Yixun Lan's avatar Yixun Lan Committed by Chen-Yu Tsai
Browse files

arm64: dts: allwinner: t527: add EMAC0 to Avaota-A1 board 



On Avaota A1 board, the EMAC0 connect to an external RTL8211F-CG PHY,
which features a 25MHz crystal, and using PH8 pin as PHY reset.

Signed-off-by: default avatarYixun Lan <dlan@gentoo.org>
Link: https://patch.msgid.link/20250430-01-sun55i-emac0-v3-5-6fc000bbccbd@gentoo.org


Signed-off-by: default avatarChen-Yu Tsai <wens@csie.org>
parent acca163f

arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts

+19 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ / { 
	compatible = "yuzukihd,avaota-a1", "allwinner,sun55i-t527";



	aliases {

		ethernet0 = &emac0;

		serial0 = &uart0;

	};
@@ -64,6 +65,24 @@ &ehci1 { 
	status = "okay";

};



&emac0 {

	phy-mode = "rgmii-id";

	phy-handle = <&ext_rgmii_phy>;

	phy-supply = <&reg_dcdc4>;



	allwinner,tx-delay-ps = <100>;

	allwinner,rx-delay-ps = <300>;



	status = "okay";

};



&mdio0 {

	ext_rgmii_phy: ethernet-phy@1 {

		compatible = "ethernet-phy-ieee802.3-c22";

		reg = <1>;

	};

};



&mmc0 {

	vmmc-supply = <&reg_cldo3>;

	cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */