Re: [PATCH v2 4/5] arm64: dts: rockchip: Enable USB 2.0 ports on ArmSoM Sige1

From: Heiko Stuebner <heiko@sntech.de>
To: Chukun Pan <amadeus@jmu.edu.cn>
Cc: jonas@kwiboo.se, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org,
	Chukun Pan <amadeus@jmu.edu.cn>
Subject: Re: [PATCH v2 4/5] arm64: dts: rockchip: Enable USB 2.0 ports on ArmSoM Sige1
Date: Fri, 29 May 2026 00:12:33 +0200	[thread overview]
Message-ID: <6849370.F8r316W7xa@phil> (raw)
In-Reply-To: <20260525070010.1060602-1-amadeus@jmu.edu.cn>

Am Montag, 25. Mai 2026, 09:00:10 Mitteleuropäische Sommerzeit schrieb Chukun Pan:
> Hi,
> 
> > +&usb_host0_xhci {
> > +	extcon = <&usb2phy>;
> > +	maximum-speed = "high-speed";
> > +	phys = <&usb2phy_otg>;
> > +	phy-names = "usb2-phy";
> 
> The same warning for this otg port:
> [    0.232211] dwc3 fe500000.usb: Configuration mismatch. dr_mode forced to host

According to the schematics, this is an actual Type-C port, so not really
sure what the controller or driver is doing there.

Could you possibly check which condition in
dwc3_get_dr_mode() in drivers/usb/dwc3/core.c is triggering this?

> > +&usb2phy_otg {
> > +	status = "okay";
> > +};
> 
> OTG port missing: `vbus-supply = <&vcc5v0_usb_otg>;` [1]

I've added the supply now.

Thanks for testing
Heiko