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From:   Heiko Stuebner <heiko@sntech.de>
To:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Michael Riesch <michael.riesch@wolfvision.net>,
        Peter Geis <pgwipeout@gmail.com>
Cc:     devicetree <devicetree@vger.kernel.org>,
        arm-mail-list <linux-arm-kernel@lists.infradead.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@lists.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] arm64: dts: rockchip: Fix SoQuartz CM4IO usb
Date:   Sat, 11 Jun 2022 15:50:08 +0200
Message-ID: <4178848.3VsfAaAtOV@phil>
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References: <20220610132601.160088-1-pgwipeout@gmail.com> <CAMdYzYqJ2S8K2NCH1uQ2xDjTfLmePPv5TzgeXZa0EG6XdGQzBQ@mail.gmail.com>
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Am Freitag, 10. Juni 2022, 16:44:23 CEST schrieb Peter Geis:
> On Fri, Jun 10, 2022 at 9:26 AM Peter Geis <pgwipeout@gmail.com> wrote:
> >
> > The SoQuartz CM4-IO should support otg mode, however it currently
> > defaults to device mode when otg is enabled. Force it to host mode to
> > retain the previous behavior.
> 
> It would seem the role-switch issue is more widespread than originally
> thought, affecting other boards where automatic control should work.
> Please hold this patch while I investigate further.

ok!

I guess this also applies to
	"arm64: dts: rockchip: Fix Quartz64-A dwc3 otg port behavior"?


Heiko


> >
> > Fixes: bc405bb3eeee ("arm64: dts: rockchip: enable otg/drd operation of usb_host0_xhci in rk356x")
> >
> > Signed-off-by: Peter Geis <pgwipeout@gmail.com>
> > ---
> >  arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts b/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts
> > index e00568a6be5c..56764fae9f9d 100644
> > --- a/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts
> > +++ b/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts
> > @@ -169,6 +169,7 @@ &usb2phy0_otg {
> >  };
> >
> >  &usb_host0_xhci {
> > +       dr_mode = "host";
> >         status = "okay";
> >  };
> >
> > --
> > 2.25.1
> >
>