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Date:   Mon, 24 Jun 2019 15:48:56 +0200
From:   Maxime Ripard <maxime.ripard@bootlin.com>
To:     Icenowy Zheng <icenowy@aosc.io>
Cc:     linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
        Linus Walleij <linus.walleij@linaro.org>,
        linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org,
        linux-gpio@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>,
        Rob Herring <robh+dt@kernel.org>, linux-clk@vger.kernel.org
Subject: Re: [PATCH v3 9/9] ARM: dts: sun8i: s3: add devicetree for Lichee
 zero plus w/ S3
Message-ID: <20190624134856.4cez7m3uc3tzkpuc@flea>
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On Mon, Jun 24, 2019 at 09:43:23PM +0800, Icenowy Zheng wrote:
> >> +&usb_otg {
> >> +	dr_mode = "otg";
> >> +	status = "okay";
> >> +};
> >> +
> >> +&usbphy {
> >> +	usb0_id_det-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
> >> +	status = "okay";
> >> +};
> >
> >How can it do OTG if there's no controllable VBUS regulator?
>
> All 5V's are connected together, like Orange Pi Zero.

So it's a "it can't"?

And the orange pi zero says that it can only do peripheral.

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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