Re: [PATCH v1 4/9] ARM: tegra: Enable UDC on TrimSlice

[Peter Chen <hzpeterchen-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On Wed, Jul 05, 2017 at 08:19:53PM +0300, Dmitry Osipenko wrote:
> From: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> 
> Override the compatible string of the first USB controller to enable
> device mode.
> 
> Signed-off-by: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> ---
>  arch/arm/boot/dts/tegra20-trimslice.dts | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts b/arch/arm/boot/dts/tegra20-trimslice.dts
> index b902ab594afa..96b4f3f9827b 100644
> --- a/arch/arm/boot/dts/tegra20-trimslice.dts
> +++ b/arch/arm/boot/dts/tegra20-trimslice.dts
> @@ -336,7 +336,9 @@
>  	};
>  
>  	usb@c5000000 {
> +		compatible = "nvidia,tegra20-udc";
>  		status = "okay";
> +		dr_mode = "otg";

If this board supports peripheral-only, you need to
set dr_mode as "peripheral".

-- 

Best Regards,
Peter Chen