Commit 56766ca6 authored by Yixun Lan's avatar Yixun Lan Committed by Chen-Yu Tsai
Browse files

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



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: default avatarAndre Przywara <andre.przywara@arm.com>
Tested-by: default avatarCorentin LABBE <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarYixun Lan <dlan@gentoo.org>
Link: https://patch.msgid.link/20250430-01-sun55i-emac0-v3-3-6fc000bbccbd@gentoo.org


Signed-off-by: default avatarChen-Yu Tsai <wens@csie.org>
parent 02f27ea7

arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi

+41 −0
Original line number Diff line number Diff line
@@ -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>;