Re: [PATCH net-next v2 10/10] arm64: dts: allwinner: t527: orangepi-4a: Enable Ethernet port
From: Jernej Škrabec <jernej.skrabec@gmail.com>
Date: 2025-08-13 15:28:17
Also in:
linux-arm-kernel, linux-devicetree, linux-sunxi, lkml
Dne sreda, 13. avgust 2025 ob 16:55:40 Srednjeevropski poletni čas je Chen-Yu Tsai napisal(a):
From: Chen-Yu Tsai <redacted> On the Orangepi 4A board, the second Ethernet controller, aka the GMAC200, is connected to an external Motorcomm YT8531 PHY. The PHY uses an external 25MHz crystal, has the SoC's PI15 pin connected to its reset pin, and the PI16 pin for its interrupt pin. Enable it. Signed-off-by: Chen-Yu Tsai <redacted>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Best regards, Jernej
quoted hunk ↗ jump to hunk
--- Changes since v1: - Switch to generic (tx|rx)-internal-delay-ps properties --- .../dts/allwinner/sun55i-t527-orangepi-4a.dts | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+)diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts index d07bb9193b43..b604d961c4fd 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts +++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts@@ -15,6 +15,7 @@ / { compatible = "xunlong,orangepi-4a", "allwinner,sun55i-t527"; aliases { + ethernet0 = &gmac1; serial0 = &uart0; };@@ -95,11 +96,33 @@ &ehci1 { status = "okay"; }; +&gmac1 { + phy-mode = "rgmii-id"; + phy-handle = <&ext_rgmii_phy>; + phy-supply = <®_cldo4>; + + tx-internal-delay-ps = <0>; + rx-internal-delay-ps = <300>; + + status = "okay"; +}; + &gpu { mali-supply = <®_dcdc2>; status = "okay"; }; +&mdio1 { + ext_rgmii_phy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + interrupts-extended = <&pio 8 16 IRQ_TYPE_LEVEL_LOW>; /* PI16 */ + reset-gpios = <&pio 8 15 GPIO_ACTIVE_LOW>; /* PI15 */ + reset-assert-us = <10000>; + reset-deassert-us = <150000>; + }; +}; + &mmc0 { vmmc-supply = <®_cldo3>; cd-gpios = <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */