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

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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: Yixun Lan <dlan@gentoo.org>
Link: https://patch.msgid.link/20250430-01-sun55i-emac0-v3-5-6fc000bbccbd@gentoo.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Yixun Lan 2025-04-30 13:32:07 +08:00 committed by Chen-Yu Tsai
parent acca163f3f
commit c6800f1599
1 changed files with 19 additions and 0 deletions
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19
arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
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@ -12,6 +12,7 @@ / {
compatible = "yuzukihd,avaota-a1", "allwinner,sun55i-t527"; compatible = "yuzukihd,avaota-a1", "allwinner,sun55i-t527";
aliases { aliases {
ethernet0 = &emac0;
serial0 = &uart0; serial0 = &uart0;
}; };
@ -64,6 +65,24 @@ &ehci1 {
status = "okay"; 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 { &mmc0 {
vmmc-supply = <&reg_cldo3>; vmmc-supply = <&reg_cldo3>;
cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */ cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */