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arm64: dts: mediatek: mt7981b-openwrt-one: Enable PCIe and USB

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Enable the PCIe controller and USB3 XHCI host on the OpenWrt One
board. The USB controller is configured for USB 2.0 only mode, as the
shared USB3/PCIe PHY is dedicated to PCIe functionality on this board.

Signed-off-by: Sjoerd Simons <sjoerd@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
This commit is contained in:
Sjoerd Simons 2025-12-23 13:37:53 +01:00 committed by AngeloGioacchino Del Regno
parent 262cb81069
commit 8f350dbb2e
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GPG Key ID: 9A3604CFAD978478
1 changed files with 43 additions and 0 deletions
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43
arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts
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@ -67,9 +67,40 @@ led-2 {
linux,default-trigger = "netdev";
};
};
reg_3p3v: regulator-3p3v {
compatible = "regulator-fixed";
regulator-name = "fixed-3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
reg_5v: regulator-5v {
compatible = "regulator-fixed";
regulator-name = "fixed-5V";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-boot-on;
regulator-always-on;
};
};
&pcie {
pinctrl-names = "default";
pinctrl-0 = <&pcie_pins>;
status = "okay";
};
&pio {
pcie_pins: pcie-pins {
mux {
function = "pcie";
groups = "pcie_pereset";
};
};
pwm_pins: pwm-pins {
mux {
function = "pwm";
@ -163,3 +194,15 @@ partition@180000 {
&uart0 {
status = "okay";
};
&usb_phy {
status = "okay";
};
&xhci {
phys = <&u2port0 PHY_TYPE_USB2>;
vusb33-supply = <&reg_3p3v>;
vbus-supply = <&reg_5v>;
mediatek,u3p-dis-msk = <0x01>;
status = "okay";
};