From 8f350dbb2e4a7eaa5de97c6502d004caa26eba1a Mon Sep 17 00:00:00 2001 From: Sjoerd Simons Date: Tue, 23 Dec 2025 13:37:53 +0100 Subject: [PATCH] arm64: dts: mediatek: mt7981b-openwrt-one: Enable PCIe and USB 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 Signed-off-by: AngeloGioacchino Del Regno --- .../boot/dts/mediatek/mt7981b-openwrt-one.dts | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts b/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts index 2e39e72877301..7382599cfea29 100644 --- a/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts +++ b/arch/arm64/boot/dts/mediatek/mt7981b-openwrt-one.dts @@ -67,9 +67,40 @@ 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 @@ &uart0 { status = "okay"; }; + +&usb_phy { + status = "okay"; +}; + +&xhci { + phys = <&u2port0 PHY_TYPE_USB2>; + vusb33-supply = <®_3p3v>; + vbus-supply = <®_5v>; + mediatek,u3p-dis-msk = <0x01>; + status = "okay"; +}; -- 2.47.3