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arm64: dts: allwinner: a523: Add EMAC0 ethernet MAC

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Add EMAC0 ethernet MAC support which found on A523 variant SoCs,
including the A527/T527 chips. MAC0 is compatible to the A64 chip which
requires an external PHY. This patch only add RGMII pins for now.

Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Signed-off-by: Yixun Lan <dlan@gentoo.org>
Link: https://patch.msgid.link/20250430-01-sun55i-emac0-v3-3-6fc000bbccbd@gentoo.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Yixun Lan 2025-04-30 13:32:05 +08:00 committed by Chen-Yu Tsai
parent 02f27ea7fa
commit 56766ca6c4
1 changed files with 41 additions and 0 deletions
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41
arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
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@ -126,6 +126,16 @@ pio: pinctrl@2000000 {
interrupt-controller;
#interrupt-cells = <3>;
rgmii0_pins: rgmii0-pins {
pins = "PH0", "PH1", "PH2", "PH3", "PH4",
"PH5", "PH6", "PH7", "PH9", "PH10",
"PH14", "PH15", "PH16", "PH17", "PH18";
allwinner,pinmux = <5>;
function = "emac0";
drive-strength = <40>;
bias-disable;
};
mmc0_pins: mmc0-pins {
pins = "PF0" ,"PF1", "PF2", "PF3", "PF4", "PF5";
allwinner,pinmux = <2>;
@ -409,6 +419,15 @@ i2c5: i2c@2503400 {
#size-cells = <0>;
};
syscon: syscon@3000000 {
compatible = "allwinner,sun55i-a523-system-control",
"allwinner,sun50i-a64-system-control";
reg = <0x03000000 0x1000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
};
gic: interrupt-controller@3400000 {
compatible = "arm,gic-v3";
#address-cells = <1>;
@ -521,6 +540,28 @@ ohci1: usb@4200400 {
status = "disabled";
};
emac0: ethernet@4500000 {
compatible = "allwinner,sun55i-a523-emac0",
"allwinner,sun50i-a64-emac";
reg = <0x04500000 0x10000>;
clocks = <&ccu CLK_BUS_EMAC0>;
clock-names = "stmmaceth";
resets = <&ccu RST_BUS_EMAC0>;
reset-names = "stmmaceth";
interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq";
pinctrl-names = "default";
pinctrl-0 = <&rgmii0_pins>;
syscon = <&syscon>;
status = "disabled";
mdio0: mdio {
compatible = "snps,dwmac-mdio";
#address-cells = <1>;
#size-cells = <0>;
};
};
r_ccu: clock-controller@7010000 {
compatible = "allwinner,sun55i-a523-r-ccu";
reg = <0x7010000 0x250>;