On Wed, Sep 20, 2017 at 04:39:23AM +0000, David Disseldorp wrote:
> From: David Disseldorp <ddiss@xxxxxxxxx>
>
> The NanoPi NEO features a MicroUSB port that can work in both host mode
> and peripheral mode. Switching is handled via GPIO PG12.
>
> Signed-off-by: David Disseldorp <ddiss@xxxxxxxxx>
> ---
> Changes since v1
> - remove duplicate ehci3/ohci3 definitions, which are already carried in
> sun8i-h3-nanopi.dtsi
>
> arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts b/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts
> index 78f6c24952dd..17b07c3df369 100644
> --- a/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts
> +++ b/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts
> @@ -47,9 +47,28 @@
> compatible = "friendlyarm,nanopi-neo", "allwinner,sun8i-h3";
> };
>
> +&ehci0 {
> + status = "okay";
> +};
> +
> &emac {
> phy-handle = <&int_mii_phy>;
> phy-mode = "mii";
> allwinner,leds-active-low;
> status = "okay";
> };
> +
> +&ohci0 {
> + status = "okay";
> +};
> +
> +&usb_otg {
> + dr_mode = "otg";
> + status = "okay";
> +};
> +
> +&usbphy {
> + /* USB Type-A port's VBUS is always on */
I'm not sure what that comment is here for.
> + usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
And that means that you cannot switch VBUS on on the board?
In this case, it's not able to do proper OTG like advertised above.
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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