[PATCH 4/5] arm64: dts: allwinner: a100: Add EMAC support

Paul Kocialkowski
2025-06-26T08:14:29Z

The Allwinner A100/A133 Ethernet MAC (EMAC) is compatible with the A64
one and needs access to the syscon register for control of the
top-level integration of the unit.

Signed-off-by: Paul Kocialkowski <paulk@sys-base.io>
---
.../arm64/boot/dts/allwinner/sun50i-a100.dtsi | 20 +++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
index 1c4e71b32911..205faa90d37b 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
@@ -420,6 +420,26 @@ i2c3: i2c@5002c00 {
#size-cells = <0>;
};

+ emac: ethernet@5020000 {
+ compatible = "allwinner,sun50i-a100-emac",
+ "allwinner,sun50i-a64-emac";
+ reg = <0x5020000 0x10000>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq";
+ clocks = <&ccu CLK_BUS_EMAC>;
+ clock-names = "stmmaceth";
+ resets = <&ccu RST_BUS_EMAC>;
+ reset-names = "stmmaceth";
+ syscon = <&syscon>;
+ status = "disabled";
+
+ mdio: mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+
ths: thermal-sensor@5070400 {
compatible = "allwinner,sun50i-a100-ths";
reg = <0x05070400 0x100>;
--
2.49.0