From 56766ca6c4f6099de41bb51aba653217dae5df57 Mon Sep 17 00:00:00 2001 From: Yixun Lan Date: Wed, 30 Apr 2025 13:32:05 +0800 Subject: [PATCH] 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: Andre Przywara Tested-by: Corentin LABBE Signed-off-by: Yixun Lan Link: https://patch.msgid.link/20250430-01-sun55i-emac0-v3-3-6fc000bbccbd@gentoo.org Signed-off-by: Chen-Yu Tsai --- .../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi index ee485899ba0a..8b7cbc2e78f5 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -126,6 +126,16 @@ 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 @@ #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 @@ 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 = ; + 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>; -- 2.25.1